Connecting nRF5340 LE Audio to other LE Audio equipment

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Thu, 07 Mar 2024 15:13:53 GMT

Hi Hejdern ,

Please open a new ticket.

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

Hejdern — Thu, 07 Mar 2024 08:30:11 GMT

Hej Håkon! Did you have any progress on this, I have the same kind of problems when trying to connect nrf5340 to a MoerLab Duo transmitter?

Regards,

Henrik

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Tue, 23 May 2023 09:02:04 GMT

Hi,

Please find the answer in your newly opened ticket.

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

FlorianL — Fri, 12 May 2023 17:58:59 GMT

Hello,

I'm piggy backing on this topic.

I'm trying to do exactly the same thing:

being able to send or receive audio data to a VOCE device.

using latest sdk 1.3 (controller version 3330), I am able to sync with the VOCE stream.

I've added some log to deciupher the PA data

it uses the following BASE info:

bt_hci_core: bt_data_parse_log(): Len: 41, Type: x16 (BT_DATA_SVC_DATA16)
bt_hci_core: bt_data_parse_log(): svc: x1851
bt_hci_core: bt_data_parse_log(): Data: Basic Announcement (BASE)
bt_hci_core: base_log(): Basic Announcement (0x1851)
bt_hci_core: base_log(): BASE, presentation Delay: 0
bt_hci_core: base_log(): BASE, nb_subgroup: 1
bt_hci_core: base_log(): BASE, nb_bis: 2
bt_hci_core: base_log(): BASE, sub1, Codec: 6
bt_hci_core: base_log(): BASE, sub1, Codec cid: 0
bt_hci_core: base_log(): BASE, sub1, Codec vid: 0
bt_hci_core: base_log(): BASE, sub1, Codec params size: 10
bt_hci_core: log_codec_param(): Len: 2, Type: x1 (BT_CODEC_CONFIG_LC3_FREQ)
bt_hci_core: log_codec_param(): Freq: x8
bt_hci_core: log_codec_param(): Len: 2, Type: x2 (BT_CODEC_CONFIG_LC3_DURATION)
bt_hci_core: log_codec_param(): Duration: x1
bt_hci_core: log_codec_param(): Len: 3, Type: x4 (BT_CODEC_CONFIG_LC3_FRAME_LEN)
bt_hci_core: log_codec_param(): Frame Len: x0064
bt_hci_core: base_log(): BASE, sub1, Codec Meta size: 0
bt_hci_core: base_log(): BASE, sub1, bis index: 1
bt_hci_core: base_log(): BASE, sub1, bis data length: 6
bt_hci_core: log_bis_data(): Len: 5, Type: x3
bt_hci_core: log_bis_data(): unknow type: data x1
bt_hci_core: log_bis_data(): unknow type: data x0
bt_hci_core: log_bis_data(): unknow type: data x0
bt_hci_core: log_bis_data(): unknow type: data x0
bt_hci_core: base_log(): BASE, sub1, bis index: 2
bt_hci_core: base_log(): BASE, sub1, bis data length: 6
bt_hci_core: log_bis_data(): Len: 5, Type: x3
bt_hci_core: log_bis_data(): unknow type: data x2
bt_hci_core: log_bis_data(): unknow type: data x0
bt_hci_core: log_bis_data(): unknow type: data x0
bt_hci_core: log_bis_data(): unknow type: data x0

Raw Data of the BASE:
bt_hci_core: bt_data_parse_log(): Data[000..015]: x51 x18 x00 x00 x00 x01 x02 x06 x00 x00 x00 x00 x0a x02 x01 x08
bt_hci_core: bt_data_parse_log(): Data[016..271]: x02 x02 x01 x03 x04 x64 x00 x00 x01 x06 x05 x03 x01 x00 x00 x00
bt_hci_core: bt_data_parse_log(): Data[032..040]: x02 x06 x05 x03 x02 x00 x00 x00
bt_audio_broadcast_sink: PD received null, force it to 10ms

And the following Big Info:

bt_audio_broadcast_sink: biginfo_recv(), Big Info Received, enc: 0, nb_bis: 2, iso interval:16
bt_audio_broadcast_sink: biginfo_recv(), Big Info, sid: 8, sub_evt_count: 8, burst_number:2, offset: 0, rep_count: 4
bt_audio_broadcast_sink: biginfo_recv(), Big Info, sdu_interval: 10000, max_sdu: 100, phy:2, framing: 0

I can join am Ellysis sniffer trace if needed.

While I can sync with the VOCE broadcast, I cannot receive audio properly.

I think the reason is that nRF53 controller doe snot Manage a BN value of 2 in combination with an iso interval of 20ms.

Since SDU interval is 10ms, it should receive 2 SDU frame every 20ms.

However the controller is only sending one SDU frame every 20ms. so half the audio is missing.

I have try to reproduce the same behavior with a nRF broadacster, using the BT_HCI_OP_LE_CREATE_BIG_TEST command (instead of BT_HCI_OP_LE_CREATE_BIG).

I am able to reproduce the same (bad) behavior as soon as I set the BN value to 2 and iso interval to 20ms.

Can you confirm this is an issue? or that it is actually a working configuration and I have done something wrong in my setup?

At this time, I can't receive or send data to VOCE successfully by the way. still working on that. might contact them.

If you have a new controller version that fixes this issue I will be happy to test it :)

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Thu, 23 Feb 2023 17:32:00 GMT

Hi Håkon,

As a workaround, it should be possible to disable presentation and drift compensation, but this may cause stability issues and potentially other issues as well. Therefore, I would recommend that you wait for the official support of the current VOCE ISO interval (of 20 ms) from our side.

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

hakved_vea — Tue, 21 Feb 2023 15:30:27 GMT

Hi Dejan,

Is it possible to modify nRF5340 Audio to support ISO intervals sendt from VOCE?

Best regards,
Håkon

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Mon, 20 Feb 2023 14:15:38 GMT

Hi Håkon,

There is a mismatch of the ISO intervals of nRF5340 Audio and VOCE devices. In addition, VOCE device does not have Broadcast ID which prevents nRF5340 Audio from scanning and syncing with it. This would need to be fixed on VOCE side.

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

hakved_vea — Fri, 17 Feb 2023 14:37:11 GMT

Hi aigain,

her is the log printed out from nRF5340 Audio DK running as broadcast headset when connecting to VOCE

*** Booting Zephyr OS build v3.2.99-ncs1-1547-ge2bec540218d ***
HL [00:00:00.371,368] [1B][0m<inf> fw_info: [1B][0;32m
	 nRF5340 Audio nRF5340 Audio DK cpuapp 			    
	 NCS base version: 2.2.99-dev3 			    
	 Cmake run : Fri Feb 17 15:30:31 2023[1B][0m[1B][0m
HL [00:00:00.371,368] [1B][0m<inf> fw_info: ------- DEBUG BUILD -------[1B][0m
HL [00:00:00.371,368] [1B][0m<inf> fw_info: [1B][0;36mHEADSET left device[1B][0m[1B][0m
HL [00:00:00.381,988] [1B][0m<inf> board_version: [1B][0;32mCompatible board/HW version found: 1.0.0[1B][0m[1B][0m
HL [00:00:02.414,581] [1B][1;33m<wrn> bt_hci_core: Controller to host flow control not supported[1B][0m
HL [00:00:02.543,457] [1B][0m<dbg> bt_crypto: bt_crypto_f4: u cea17b280933ed1f3a4ec3e963e36c635e10ff1f98987dc2c74b56b2f9e5cccc[1B][0m
HL [00:00:02.543,487] [1B][0m<dbg> bt_crypto: bt_crypto_f4: v cea17b280933ed1f3a4ec3e963e36c635e10ff1f98987dc2c74b56b2f9e5cccc[1B][0m
HL [00:00:02.543,487] [1B][0m<dbg> bt_crypto: bt_crypto_f4: x cd529cf5951bd6e99148f543822032ac z 0x0[1B][0m
HL [00:00:02.544,036] [1B][0m<dbg> bt_crypto: bt_crypto_f4: res 5dad8afb5154d7b1ffe2106c6ba91779[1B][0m
HL [00:00:02.544,128] [1B][0m<inf> ble: MAC: D2:D3:E3:2A:E3:53 (random)[1B][0m
HL [00:00:02.544,342] [1B][0m<inf> ble: Controller version: 3322[1B][0m
HL [00:00:02.638,366] [1B][0m<dbg> bt_pacs: bt_pacs_cap_register: cap 0x200003a0 dir 0x01 codec 0x06 codec cid 0x0000 codec vid 0x0000[1B][0m
HL [00:00:02.638,366] [1B][0m<inf> bis_headset: Scanning for broadcast sources[1B][0m
HL [00:00:15.205,413] [1B][0m<dbg> bt_audio_broadcast_sink: broadcast_scan_recv: Found broadcast source with address 54:B7:E5:B3:75:7A (public) and id 0xCCE5F9[1B][0m
HL [00:00:15.288,757] [1B][0m<dbg> bt_audio_broadcast_sink: pa_synced: Synced to broadcast source with ID 0xCCE5F9[1B][0m
HL [00:00:15.348,876] [1B][0m<inf> bis_headset: Codec config for LC3:[1B][0m
HL [00:00:15.348,876] [1B][0m<inf> bis_headset: 	Frequency: 48000 Hz[1B][0m
HL [00:00:15.348,876] [1B][0m<inf> bis_headset: 	Frame Duration: 10000 us[1B][0m
HL [00:00:15.348,876] [1B][0m<inf> bis_headset: 	Octets per frame: 100 (80000 kbps)[1B][0m
HL [00:00:15.348,907] [1B][0m<inf> bis_headset: 	Frames per SDU: 1[1B][0m
HL [00:00:15.348,907] [1B][0m<inf> bis_headset: 	Channel allocation: 0x0[1B][0m
HL [00:00:15.348,907] [1B][0m<inf> bis_headset: Codec config for LC3:[1B][0m
HL [00:00:15.348,937] [1B][0m<inf> bis_headset: 	Frequency: 48000 Hz[1B][0m
HL [00:00:15.348,937] [1B][0m<inf> bis_headset: 	Frame Duration: 10000 us[1B][0m
HL [00:00:15.348,937] [1B][0m<inf> bis_headset: 	Octets per frame: 100 (80000 kbps)[1B][0m
HL [00:00:15.348,968] [1B][0m<inf> bis_headset: 	Frames per SDU: 1[1B][0m
HL [00:00:15.348,968] [1B][0m<inf> bis_headset: 	Channel allocation: 0x0[1B][0m
HL [00:00:15.349,060] [1B][0m<inf> bis_headset: Syncing to broadcast stream index 0[1B][0m
HL [00:00:15.349,060] [1B][0m<dbg> bt_audio_broadcast_sink: broadcast_sink_ep_init: ep 0x2000bb10[1B][0m
HL [00:00:15.349,090] [1B][0m<dbg> bt_audio_stream: bt_audio_stream_attach: conn (nil) stream 0x2000a5a0 ep 0x2000bb10 codec 0x2000ba0c[1B][0m
HL [00:00:15.349,426] [1B][0m<dbg> bt_audio_broadcast_sink: broadcast_sink_set_ep_state: ep 0x2000bb10 id 0x00 idle -> qos-configured[1B][0m
HL [00:00:15.409,271] [1B][0m<dbg> bt_audio_broadcast_sink: broadcast_sink_iso_connected: stream 0x2000a5a0[1B][0m
HL [00:00:15.409,301] [1B][0m<dbg> bt_audio_broadcast_sink: broadcast_sink_set_ep_state: ep 0x2000bb10 id 0x00 qos-configured -> streaming[1B][0m
HL [00:00:15.409,301] [1B][0m<inf> bis_headset: Stream index 0 started[1B][0m
HL [00:00:15.417,846] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.427,368] [1B][1;33m<wrn> audio_datapath: I2S RX overrun. Single msg[1B][0m
HL [00:00:15.437,805] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.438,385] [1B][0m<inf> audio_datapath: Drft comp state: CALIB[1B][0m
HL [00:00:15.440,338] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 20[1B][0m
HL [00:00:15.457,794] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.457,885] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.460,327] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 30[1B][0m
HL [00:00:15.477,813] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.477,874] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.480,346] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 40[1B][0m
HL [00:00:15.497,802] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.497,863] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.500,335] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 50[1B][0m
HL [00:00:15.517,791] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.517,883] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.520,355] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 60[1B][0m
HL [00:00:15.537,811] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.537,872] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.538,360] [1B][0m<inf> audio_datapath: Drft comp state: OFFSET[1B][0m
HL [00:00:15.540,344] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 70[1B][0m
HL [00:00:15.557,800] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.557,891] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.560,333] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 80[1B][0m
HL [00:00:15.577,819] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.577,880] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.580,352] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 90[1B][0m
HL [00:00:15.597,808] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.597,869] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.600,341] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 100[1B][0m
HL [00:00:15.617,797] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.617,889] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.620,330] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 110[1B][0m
HL [00:00:15.637,817] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:15.657,867] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.660,278] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 130[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:15.680,236] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 140[1B][0m
HL [00:00:15.697,814] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 4 messages dropped ---
[1B][0mHL [00:00:15.720,184] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 160[1B][0m
[1B][1;31m--- 4 messages dropped ---
[1B][0mHL [00:00:15.757,873] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.760,131] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 180[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:15.797,821] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.797,882] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:15.820,098] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 210[1B][0m
HL [00:00:15.837,829] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:15.857,818] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:15.877,838] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.877,899] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.880,096] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 240[1B][0m
HL [00:00:15.897,827] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.897,888] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.900,085] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 250[1B][0m
HL [00:00:15.917,816] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.917,907] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.920,074] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 260[1B][0m
HL [00:00:15.921,142] [1B][0m<inf> audio_datapath: Drft comp state: LOCKED[1B][0m
HL [00:00:15.937,805] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.937,896] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.937,927] [1B][0m<inf> audio_datapath: Pres comp state: WAIT[1B][0m
HL [00:00:15.940,093] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 270[1B][0m
HL [00:00:15.957,824] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.957,885] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.960,083] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 280[1B][0m
HL [00:00:15.977,813] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.977,905] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:15.980,072] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 290[1B][0m
HL [00:00:15.997,833] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:15.997,894] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.000,061] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 300[1B][0m
HL [00:00:16.017,822] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.017,883] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.020,080] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 310[1B][0m
HL [00:00:16.037,841] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.057,830] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 4 messages dropped ---
[1B][0mHL [00:00:16.080,078] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 340[1B][0m
HL [00:00:16.097,839] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:16.117,889] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.117,919] [1B][0m<inf> audio_datapath: Pres comp state: INIT[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.137,908] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.137,908] [1B][0m<inf> audio_datapath: Pres comp state: WAIT[1B][0m
[1B][1;31m--- 4 messages dropped ---
[1B][0mHL [00:00:16.177,825] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.177,886] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.197,906] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.200,073] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 400[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:16.237,854] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.237,915] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.240,081] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 420[1B][0m
HL [00:00:16.257,843] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.257,904] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.260,070] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 430[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.277,923] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.280,090] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 440[1B][0m
HL [00:00:16.297,851] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.297,912] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.317,901] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.317,932] [1B][0m<inf> audio_datapath: Pres comp state: INIT[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.337,829] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.337,921] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.337,921] [1B][0m<inf> audio_datapath: Pres comp state: WAIT[1B][0m
HL [00:00:16.340,087] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 470[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.360,076] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 480[1B][0m
HL [00:00:16.377,838] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.380,096] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 490[1B][0m
HL [00:00:16.397,827] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:16.417,907] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.437,927] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.440,093] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 520[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.457,916] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.460,083] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 530[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.477,905] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.480,072] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 540[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.500,091] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 550[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.517,944] [1B][0m<inf> audio_datapath: Pres comp state: INIT[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.520,080] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 560[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.537,933] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.537,933] [1B][0m<inf> audio_datapath: Pres comp state: WAIT[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.557,922] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.560,089] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 580[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.577,911] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.580,078] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 590[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.600,097] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 600[1B][0m
HL [00:00:16.617,858] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.617,919] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.620,086] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 610[1B][0m
HL [00:00:16.637,847] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.637,939] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.657,867] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.657,928] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.660,095] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 630[1B][0m
HL [00:00:16.677,856] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.677,917] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.680,084] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 640[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.700,103] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 650[1B][0m
HL [00:00:16.717,864] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:16.717,956] [1B][0m<inf> audio_datapath: Pres comp state: INIT[1B][0m
HL [00:00:16.720,092] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 660[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.737,945] [1B][0m<inf> audio_datapath: Pres comp state: WAIT[1B][0m
HL [00:00:16.740,081] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 670[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.760,101] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 680[1B][0m
HL [00:00:16.777,862] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 5 messages dropped ---
[1B][0mHL [00:00:16.817,871] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.837,860] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.837,921] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:16.857,940] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.860,107] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 730[1B][0m
HL [00:00:16.877,868] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.877,929] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.880,096] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 740[1B][0m
HL [00:00:16.897,857] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.897,949] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.900,085] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 750[1B][0m
HL [00:00:16.917,877] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.917,938] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.917,968] [1B][0m<inf> audio_datapath: Pres comp state: INIT[1B][0m
HL [00:00:16.920,104] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 760[1B][0m
HL [00:00:16.937,866] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.937,927] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.937,957] [1B][0m<inf> audio_datapath: Pres comp state: WAIT[1B][0m
HL [00:00:16.940,093] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 770[1B][0m
HL [00:00:16.957,855] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.957,946] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.960,113] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 780[1B][0m
HL [00:00:16.977,874] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.977,935] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:16.980,102] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 790[1B][0m
HL [00:00:16.997,863] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:16.997,924] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.000,091] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 800[1B][0m
HL [00:00:17.017,852] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.017,944] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.020,111] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 810[1B][0m
HL [00:00:17.037,872] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.057,861] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:17.080,108] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 840[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:17.097,869] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.117,858] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:17.137,939] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:17.137,939] [1B][0m<inf> audio_datapath: Pres comp state: WAIT[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.157,928] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.160,095] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 880[1B][0m
[1B][1;31m--- 4 messages dropped ---
[1B][0mHL [00:00:17.197,937] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.200,103] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 900[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:17.237,884] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.237,945] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.240,112] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 920[1B][0m
HL [00:00:17.257,873] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:17.260,131] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 930[1B][0m
HL [00:00:17.277,893] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.277,954] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.280,120] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 940[1B][0m
HL [00:00:17.297,882] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.297,943] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.300,109] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 950[1B][0m
HL [00:00:17.317,871] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.317,962] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.317,962] [1B][0m<inf> audio_datapath: Pres comp state: INIT[1B][0m
HL [00:00:17.320,098] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 960[1B][0m
HL [00:00:17.337,890] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.337,951] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.337,982] [1B][0m<inf> audio_datapath: Pres comp state: WAIT[1B][0m
HL [00:00:17.340,118] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 970[1B][0m
HL [00:00:17.357,879] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.357,940] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.377,960] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.380,126] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 990[1B][0m
HL [00:00:17.397,888] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.397,949] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.417,938] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.420,104] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1010[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.440,124] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1020[1B][0m
HL [00:00:17.457,885] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 4 messages dropped ---
[1B][0mHL [00:00:17.480,133] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1040[1B][0m
HL [00:00:17.497,894] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:17.517,944] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:17.537,963] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.537,963] [1B][0m<inf> audio_datapath: Pres comp state: WAIT[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.557,952] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.560,119] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1080[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:17.597,869] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.597,961] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:17.617,889] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.617,950] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.637,969] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.640,136] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1120[1B][0m
HL [00:00:17.657,897] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.657,958] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.660,125] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1130[1B][0m
HL [00:00:17.677,886] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.677,978] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.680,114] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1140[1B][0m
HL [00:00:17.697,906] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.697,967] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.700,134] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1150[1B][0m
HL [00:00:17.717,895] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.717,956] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.717,987] [1B][0m<inf> audio_datapath: Pres comp state: INIT[1B][0m
HL [00:00:17.720,123] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1160[1B][0m
HL [00:00:17.737,884] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.737,945] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.737,976] [1B][0m<inf> audio_datapath: Pres comp state: WAIT[1B][0m
HL [00:00:17.740,142] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1170[1B][0m
HL [00:00:17.757,904] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.757,965] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.760,131] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1180[1B][0m
HL [00:00:17.777,893] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.777,954] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.780,120] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1190[1B][0m
HL [00:00:17.797,882] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.817,901] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:17.817,962] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.837,951] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:17.840,118] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1220[1B][0m
[1B][1;31m--- 4 messages dropped ---
[1B][0mHL [00:00:17.877,960] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.917,877] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.917,968] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.937,896] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:17.957,977] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:17.960,144] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1280[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:17.980,133] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1290[1B][0m
HL [00:00:17.997,894] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:18.000,152] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1300[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:18.020,141] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1310[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:18.037,902] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:18.057,891] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:18.057,983] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:18.077,911] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:18.097,900] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:18.097,991] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:18.100,158] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1350[1B][0m
HL [00:00:18.117,919] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:18.118,011] [1B][0m<inf> audio_datapath: Pres comp state: INIT[1B][0m
HL [00:00:18.120,147] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1360[1B][0m
HL [00:00:18.137,908] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:18.137,969] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:18.157,897] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:18.157,958] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:18.160,156] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1380[1B][0m
HL [00:00:18.177,917] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:18.180,145] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1390[1B][0m
HL [00:00:18.197,906] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:18.217,987] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:18.220,153] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1410[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:18.240,142] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1420[1B][0m
HL [00:00:18.257,904] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:18.260,162] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1430[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:18.277,984] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:18.280,151] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1440[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:18.300,140] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1450[1B][0m
HL [00:00:18.319,030] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 0[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:18.320,159] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1460[1B][0m
HL [00:00:18.337,921] [1B][0m<inf> bt_audio_broadcast_sink: stream 0x2000a5a0 ep 0x2000bb10 len 100[1B][0m
HL [00:00:18.337,982] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:18.338,012] [1B][0m<inf> audio_datapath: Pres comp state: WAIT[1B][0m
[1B][1;31m--- 2 messages dropped ---
[1B][0mHL [00:00:18.358,001] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:18.360,168] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 1480[1B][0m
HL [00:00:18.377,929]

As you can see from the log:
NCS base version: 2.2.99-dev3
Controller version: 3322

Best regards,
Håkon

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Fri, 17 Feb 2023 13:52:44 GMT

Hi Håkon,

You can use this option.

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

hakved_vea — Fri, 17 Feb 2023 08:58:58 GMT

Hi Dejan,

Do you want full log with DEBUG level enabled?
CONFIG_BT_LOG_LEVEL_DBG=y

Best regards,
Håkon

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Mon, 13 Feb 2023 13:48:21 GMT

Hi Håkon,

Could you provide full application log from nRF5340 audio DK?

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

hakved_vea — Fri, 10 Feb 2023 10:08:34 GMT

Hi Dejan,

[quote userid="111786" url="~/f/nordic-q-a/95732/connecting-nrf5340-le-audio-to-other-le-audio-equipment/409299"]Which audio controller do you use?[/quote]

not sure if I understood the question, I'm using the nRF5340-Audio-DK with I2S and onchip hw codec, and the LC3 software.

I do not have a sniffer, only using the nRF5340 to debug the incoming data, and trace trough the parsing functions.

[quote userid="111786" url="~/f/nordic-q-a/95732/connecting-nrf5340-le-audio-to-other-le-audio-equipment/409299"]Could you specify these sync parameters in ISO Receive?[/quote]

ISO Receive is coded with both BIT(0) and BIT(1), however i can change it in the code to only select one of the streams. The same crash happens when selecting only BIT(1) and trying to sync with VOCE. however, both settings work nRF5340 to nRF5340.

[quote userid="111786" url="~/f/nordic-q-a/95732/connecting-nrf5340-le-audio-to-other-le-audio-equipment/409299"]Could you provide more information about the sound? How is it disturbed?[/quote]

it is hard to explain. It sounds like there is a lot of noise and the actual audio is played in the background, the audio is also distorted, like it is passed trough a bad mixer. The debug printout gives warnings of duplicated audio package and troughs every second frame.

[quote userid="111786" url="~/f/nordic-q-a/95732/connecting-nrf5340-le-audio-to-other-le-audio-equipment/409299"]

dejans said:
Could you show the current folder structure of your project which is programmed on nRF5340 audio DK?

dejans said:
How did you build and flash your application?

[/quote]

This was answered in my previous post.

[quote userid="111786" url="~/f/nordic-q-a/95732/connecting-nrf5340-le-audio-to-other-le-audio-equipment/409299"]

dejans said:

hakved_vea said:
I see that from the terminal printout that:
nRF5340 have define Channel allocation: 0x1
while VOCE sets Channel allocation: 0x0
What implications does this have?

Could you show the terminal output?

[/quote]

I have provided you with this in previous posts:

Difference between nRF5340 and VOCE

VOCE:
  BIG INFO[0]:
    [DEVICE]: 54:B7:E5:B3:75:7A (public)
    sid 0x08                  *!* Advertiser SID
    num_bis 2                     Number of BISes in the BIG
    nse 8                     *!* Maximum number of subevents in each isochronous event
    interval 0x0010 (20 ms)   *!* Interval between two BIG anchor point (N * 1.25 ms)
    bn 2                      *!* The number of new payloads in each BIS event
    pto 0                         Offset used for pre-transmissions
    irc 4                     *!* The number of times a payload is transmitted in a BIS event
    max_pdu 100                   Maximum size, in octets, of the payload
    sdu_interval 10000 us         The interval, in microseconds, of periodic SDUs.
    max_sdu 100                   Maximum size of an SDU, in octets.
    phy LE 2M                     Channel PHY
    without framing               Channel framing mode
    not encrypted                 Whether or not the BIG is encrypted

  PER_ADV_SYNC[0]:
    [DEVICE]: 54:B7:E5:B3:75:40 (public)
    tx_power 0
    RSSI -41
    CTE 0
    data length 42
    data: 29 16 51 18 00 00 00 01 02 06 00 00 00 00 0a 02 01 08 02 02 01 03 04 64 00 00 01 06 05 03 01 00 00 00 02 06 05 03 02 00 00 00

    16          Service data, 16-bit UUID
    51 18       BT_UUID_BASIC_AUDIO
    00 00 00    QoS Presentation Delay
    01          Number of subgroups in the BASE
    02          Number of BIS in the subgroup
    06          Codec ID
    00 00       Codec Company ID
    00 00       Codec Company Vendor ID
    0a          Codec configuration data length
    02          LTV: length
    01          LTV: type: Sampling_Frequency
    08          LTV: Value: 48000
    02          LTV: length
    02          LTV: type: Frame_Duration
    01          LTV: Value:  Use 10 ms codec frames
    03          LTV: length
    04          LTV: type: Octets_Per_Codec_Frame
    64 00       LTV: Value: 100
    00          codec metadata length
    01          Unique index of the BIS
    06          codec config data length
    05          LTV: length
    03          LTV: type: Audio_Channel_Allocation
    01 00 00 00 LTV: Value: Front Left
    02          Unique index of the BIS
    06          codec config data length
    05          LTV: length
    03          LTV: type: Audio_Channel_Allocation
    02 00 00 00 LTV: Value: Front Right

nRF5340:
  BIG INFO[0]:
    [DEVICE]: 34:F6:FB:BC:69:8C (random)
    sid 0x00                  *!* Advertiser SID
    num_bis 2                     Number of BISes in the BIG
    nse 5                     *!* Maximum number of subevents in each isochronous event
    interval 0x0008 (10 ms)   *!* Interval between two BIG anchor point (N * 1.25 ms)
    bn 1                      *!* The number of new payloads in each BIS event
    pto 0                         Offset used for pre-transmissions
    irc 5                     *!* The number of times a payload is transmitted in a BIS event
    max_pdu 100                   Maximum size, in octets, of the payload
    sdu_interval 10000 us         The interval, in microseconds, of periodic SDUs.
    max_sdu 100                   Maximum size of an SDU, in octets.
    phy LE 2M                     Channel PHY
    without framing               Channel framing mode
    not encrypted                 Whether or not the BIG is encrypted

  PER_ADV_SYNC[0]:
    [DEVICE]: 1F:0E:61:A3:79:A3 (random)
    tx_power 0
    RSSI -40
    CTE 0
    data length 40
    data: 27 16 51 18 10 27 00 01 02 06 00 00 00 00 10 02 01 08 02 02 01 05 03 01 00 00 00 03 04 64 00 04 03 02 04 00 01 00 02 00

    16          Service data, 16-bit UUID
    51 18       BT_UUID_BASIC_AUDIO
    10 27 00    QoS Presentation Delay
    01          Number of subgroups in the BASE
    02          Number of BIS in the subgroup
    06          Codec ID
    00 00       Codec Company ID
    00 00       Codec Company Vendor ID
    10          Codec configuration data length
    02          LTV: length
    01          LTV: type: Sampling_Frequency
    08          LTV: Value: 48000 Hz
    02          LTV: length
    02          LTV: type: Frame_Duration
    01          LTV: Value: Use 10 ms codec frames
    05          LTV: length
    03          LTV: type: Audio_Channel_Allocation
    01 00 00 00 LTV: Value: Front Left
    03          LTV: length
    04          LTV: type: Octets_Per_Codec_Frame
    64 00       LTV: Value: 100
    04          codec metadata length
    03          LTV: length
    02          LTV: type: Streaming_Audio_Contexts
    04 00       LTV: Value: Bitfield of Context Type values
    01          Unique index of the BIS
    00          codec config data length
    02          Unique index of the BIS
    00          codec config data length

*** Booting Zephyr OS build v3.2.99-ncs1 ***
HL [00:00:00.351,654] [1B][0m<inf> fw_info: [1B][0;32m
	 nRF5340 Audio nRF5340 Audio DK cpuapp 			    
	 NCS base version: 2.2.0 			    
	 Cmake run : Fri Jan 27 13:46:00 2023[1B][0m[1B][0m
HL [00:00:00.351,654] [1B][0m<inf> fw_info: ------- DEBUG BUILD -------[1B][0m
HL [00:00:00.351,684] [1B][0m<inf> fw_info: [1B][0;36mHEADSET left device[1B][0m[1B][0m
HL [00:00:00.362,304] [1B][0m<inf> board_version: [1B][0;32mCompatible board/HW version found: 1.0.0[1B][0m[1B][0m
HL [00:00:02.407,196] [1B][1;33m<wrn> bt_hci_core: Controller to host flow control not supported[1B][0m
HL [00:00:02.535,919] [1B][0m<inf> ble: MAC: EB:37:46:99:6E:86 (random)[1B][0m
HL [00:00:02.536,132] [1B][0m<inf> ble: Controller version: 3310[1B][0m
HL [00:00:02.630,828] [1B][0m<inf> bis_headset: Scanning for broadcast sources[1B][0m
HL [00:00:02.640,167] [1B][0m<inf> bis_headset: Broadcast source ªªªªªªªªªªªª[1D] found[1B][0m
HL [00:00:02.847,717] [1B][0m<inf> bis_headset: Codec config for LC3:[1B][0m
HL [00:00:02.847,747] [1B][0m<inf> bis_headset: 	Frequency: 48000 Hz[1B][0m
HL [00:00:02.847,747] [1B][0m<inf> bis_headset: 	Frame Duration: 10000 us[1B][0m
HL [00:00:02.847,747] [1B][0m<inf> bis_headset: 	Octets per frame: 100 (80000 kbps)[1B][0m
HL [00:00:02.847,778] [1B][0m<inf> bis_headset: 	Frames per SDU: 1[1B][0m
HL [00:00:02.847,778] [1B][0m<inf> bis_headset: 	Channel allocation: 0x0[1B][0m
HL [00:00:02.847,778] [1B][0m<inf> bis_headset: Codec config for LC3:[1B][0m
HL [00:00:02.847,808] [1B][0m<inf> bis_headset: 	Frequency: 48000 Hz[1B][0m
HL [00:00:02.847,808] [1B][0m<inf> bis_headset: 	Frame Duration: 10000 us[1B][0m
HL [00:00:02.847,808] [1B][0m<inf> bis_headset: 	Octets per frame: 100 (80000 kbps)[1B][0m
HL [00:00:02.847,808] [1B][0m<inf> bis_headset: 	Frames per SDU: 1[1B][0m
HL [00:00:02.847,839] [1B][0m<inf> bis_headset: 	Channel allocation: 0x0[1B][0m
HL [00:00:02.847,930] [1B][0m<inf> bis_headset: Syncing to broadcast stream index 0[1B][0m
HL [00:00:02.908,233] [1B][0m<inf> bis_headset: Stream index 0 started[1B][0m
HL [00:00:02.908,477] [1B][0m<inf> bis_headset: Stream index 0 started[1B][0m
HL [00:00:02.926,269] [1B][1;33m<wrn> audio_datapath: I2S RX overrun. Single msg[1B][0m
HL [00:00:02.932,281] [1B][0m<inf> audio_datapath: Drft comp state: CALIB[1B][0m
HL [00:00:02.933,197] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2574616) - Dropping audio frame[1B][0m
HL [00:00:02.933,197] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2574616) - Dropping audio frame[1B][0m
HL [00:00:02.933,227] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2574616) - Dropping audio frame[1B][0m
HL [00:00:02.933,258] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 14[1B][0m
HL [00:00:02.951,599] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:02.953,155] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2594617) - Dropping audio frame[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:02.971,588] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:02.973,175] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2614617) - Dropping audio frame[1B][0m
[1B][1;31m--- 5 messages dropped ---
[1B][0mHL [00:00:02.993,194] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2634617) - Dropping audio frame[1B][0m
[1B][1;31m--- 5 messages dropped ---
[1B][0mHL [00:00:03.013,244] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 54[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:03.031,585] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 4 messages dropped ---
[1B][0mHL [00:00:03.033,264] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 64[1B][0m
HL [00:00:03.051,605] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 4 messages dropped ---
[1B][0mHL [00:00:03.071,594] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:03.073,150] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2714617) - Dropping audio frame[1B][0m

Hope this answered your questions,

Best regards,
Håkon

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Fri, 10 Feb 2023 09:11:12 GMT

Hi Håkon,

Which audio controller do you use?

Do you have sniffer trace of the communication between the devices?

I think you have missed several of my previous questions.

[quote user="dejans"]

hakved_vea said:
so that is selected both indexes BIT(1) and BIT(2). This is what ISO Receive had in the sync parameters.

Could you specify these sync parameters in ISO Receive?

hakved_vea said:
Then I was able to get the audio stream from VOCE to play on nRF5340, however the sound is disturbed.

Could you provide more information about the sound? How is it disturbed?

[/quote]

[quote user="dejans"]Could you show the current folder structure of your project which is programmed on nRF5340 audio DK?[/quote]

[quote user="dejans"]How did you build and flash your application?[/quote]

[quote user="dejans"]

hakved_vea said:
When listening to songs I can recognize the song playing, however it sounds broken.

How did you verify that the sound is broken? How does it sound broken?

[/quote]

[quote user="dejans"]

hakved_vea said:
I see that from the terminal printout that:
nRF5340 have define Channel allocation: 0x1
while VOCE sets Channel allocation: 0x0
What implications does this have?

Could you show the terminal output?

[/quote]

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

hakved_vea — Thu, 09 Feb 2023 13:05:10 GMT

Hi Dejan,

I will try to clarify a bit.

I created a new application in VSCode trough the nRF Connect extension using SDK version 2.2.0. I selected the nRF5340_Audio example and have used that as a baseline for modification.

I only used to ISO Receive example as reference since it provided me with more information about the advertisement data.

I think the issue I have is regards to the synchronization of the BIS streams. I see that the I2S and the LC3 codec handles stereo, and that both channels is sent in the stream. However in the sync adv data it only specify on channel (as nRF5340 can only play mono on left channel). And the difference between VOCE and nRF5340 is that the channels is specifyed per bis in VOCE and set as a common configuration in nRF5340, this is specifyed in the sync adv data.

Hope this clearyfies a little :)

[quote userid="111786" url="~/f/nordic-q-a/95732/connecting-nrf5340-le-audio-to-other-le-audio-equipment/409116"]

hakved_vea said:
I assume that some of these differences is handled by the LE Audio implementation, can you help me point out the differences that is not supported by the example code?

Could you please rephrase your question?

[/quote]

I have noticed from the LE Audio specifications that it is highly configurable and flexible and how to connect to broadcast source is specified in the advertisement data. So my question is, does nRF5340 Audio support all possible configurations sent in advertisement data?

Best regards,
Håkon

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Thu, 09 Feb 2023 11:10:04 GMT

Hi Håkon,

You mentioned previously that you worked with nRF5340_audio sample, but you also mentioned programming the board with ISO Receive sample. Could you specify whether you used nrf5340_audio sample or ISO Receive sample as a starting point which you later modified?

How did you build and flash your application?

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Thu, 09 Feb 2023 11:01:12 GMT

Hi Håkon,

[quote user="hakved_vea"]I assume that some of these differences is handled by the LE Audio implementation, can you help me point out the differences that is not supported by the example code?[/quote]

Could you please rephrase your question?

[quote user="hakved_vea"]alos at line 264 in broadcast_source.c[/quote][quote user="hakved_vea"]I see this comment on line 339 in broadcast_source.c[/quote][quote user="hakved_vea"]is this something that you are currently working on?[/quote]

Currently supported features can be seen in the feature support matrix.

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Thu, 09 Feb 2023 09:57:07 GMT

Hi Håkon,

[quote user="hakved_vea"]When listening to songs I can recognize the song playing, however it sounds broken.[/quote]

How did you verify that the sound is broken? How does it sound broken?

[quote user="hakved_vea"]I see that from the terminal printout that:
nRF5340 have define Channel allocation: 0x1
while VOCE sets Channel allocation: 0x0
What implications does this have?[/quote]

Could you show the terminal output?

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Thu, 09 Feb 2023 09:42:17 GMT

Hi Håkon,

[quote user="hakved_vea"]I edited line 320 in le_audio_bis_headset.c:[/quote][quote user="hakved_vea"]so that is selected both indexes BIT(1) and BIT(2). This is what ISO Receive had in the sync parameters.[/quote]

Could you show these sync parameters in ISO Receive?

[quote user="hakved_vea"]I'm a bit lost in why this work and why setting bis_bitfields to the correct value causes the nRF5340 to crash?[/quote]

What is the correct value? Which value works and which doesn't work? Do you have a log showing the crash?

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

hakved_vea — Tue, 07 Feb 2023 14:23:26 GMT

Hi again,

I have tried to compare the two nRF5340 and VOCE in details.

below is comparison of sync adv packet and BIG info packet:

Difference between nRF5340 and VOCE

VOCE:
  BIG INFO[0]:
    [DEVICE]: 54:B7:E5:B3:75:7A (public)
    sid 0x08                  *!* Advertiser SID
    num_bis 2                     Number of BISes in the BIG
    nse 8                     *!* Maximum number of subevents in each isochronous event
    interval 0x0010 (20 ms)   *!* Interval between two BIG anchor point (N * 1.25 ms)
    bn 2                      *!* The number of new payloads in each BIS event
    pto 0                         Offset used for pre-transmissions
    irc 4                     *!* The number of times a payload is transmitted in a BIS event
    max_pdu 100                   Maximum size, in octets, of the payload
    sdu_interval 10000 us         The interval, in microseconds, of periodic SDUs.
    max_sdu 100                   Maximum size of an SDU, in octets.
    phy LE 2M                     Channel PHY
    without framing               Channel framing mode
    not encrypted                 Whether or not the BIG is encrypted

  PER_ADV_SYNC[0]:
    [DEVICE]: 54:B7:E5:B3:75:40 (public)
    tx_power 0
    RSSI -41
    CTE 0
    data length 42
    data: 29 16 51 18 00 00 00 01 02 06 00 00 00 00 0a 02 01 08 02 02 01 03 04 64 00 00 01 06 05 03 01 00 00 00 02 06 05 03 02 00 00 00

    16          Service data, 16-bit UUID
    51 18       BT_UUID_BASIC_AUDIO
    00 00 00    QoS Presentation Delay
    01          Number of subgroups in the BASE
    02          Number of BIS in the subgroup
    06          Codec ID
    00 00       Codec Company ID
    00 00       Codec Company Vendor ID
    0a          Codec configuration data length
    02          LTV: length
    01          LTV: type: Sampling_Frequency
    08          LTV: Value: 48000
    02          LTV: length
    02          LTV: type: Frame_Duration
    01          LTV: Value:  Use 10 ms codec frames
    03          LTV: length
    04          LTV: type: Octets_Per_Codec_Frame
    64 00       LTV: Value: 100
    00          codec metadata length
    01          Unique index of the BIS
    06          codec config data length
    05          LTV: length
    03          LTV: type: Audio_Channel_Allocation
    01 00 00 00 LTV: Value: Front Left
    02          Unique index of the BIS
    06          codec config data length
    05          LTV: length
    03          LTV: type: Audio_Channel_Allocation
    02 00 00 00 LTV: Value: Front Right

nRF5340:
  BIG INFO[0]:
    [DEVICE]: 34:F6:FB:BC:69:8C (random)
    sid 0x00                  *!* Advertiser SID
    num_bis 2                     Number of BISes in the BIG
    nse 5                     *!* Maximum number of subevents in each isochronous event
    interval 0x0008 (10 ms)   *!* Interval between two BIG anchor point (N * 1.25 ms)
    bn 1                      *!* The number of new payloads in each BIS event
    pto 0                         Offset used for pre-transmissions
    irc 5                     *!* The number of times a payload is transmitted in a BIS event
    max_pdu 100                   Maximum size, in octets, of the payload
    sdu_interval 10000 us         The interval, in microseconds, of periodic SDUs.
    max_sdu 100                   Maximum size of an SDU, in octets.
    phy LE 2M                     Channel PHY
    without framing               Channel framing mode
    not encrypted                 Whether or not the BIG is encrypted

  PER_ADV_SYNC[0]:
    [DEVICE]: 1F:0E:61:A3:79:A3 (random)
    tx_power 0
    RSSI -40
    CTE 0
    data length 40
    data: 27 16 51 18 10 27 00 01 02 06 00 00 00 00 10 02 01 08 02 02 01 05 03 01 00 00 00 03 04 64 00 04 03 02 04 00 01 00 02 00

    16          Service data, 16-bit UUID
    51 18       BT_UUID_BASIC_AUDIO
    10 27 00    QoS Presentation Delay
    01          Number of subgroups in the BASE
    02          Number of BIS in the subgroup
    06          Codec ID
    00 00       Codec Company ID
    00 00       Codec Company Vendor ID
    10          Codec configuration data length
    02          LTV: length
    01          LTV: type: Sampling_Frequency
    08          LTV: Value: 48000 Hz
    02          LTV: length
    02          LTV: type: Frame_Duration
    01          LTV: Value: Use 10 ms codec frames
    05          LTV: length
    03          LTV: type: Audio_Channel_Allocation
    01 00 00 00 LTV: Value: Front Left
    03          LTV: length
    04          LTV: type: Octets_Per_Codec_Frame
    64 00       LTV: Value: 100
    04          codec metadata length
    03          LTV: length
    02          LTV: type: Streaming_Audio_Contexts
    04 00       LTV: Value: Bitfield of Context Type values
    01          Unique index of the BIS
    00          codec config data length
    02          Unique index of the BIS
    00          codec config data length

I assume that some of these differences is handled by the LE Audio implementation, can you help me point out the differences that is not supported by the example code?

I see that VOCE specify channel allocation per bis, while nRF5340 sets it globally, I think my main challenge is with the synchronization of the channels

I see this comment on line 339 in broadcast_source.c

	/* NOTE: It is also possible to have the codec configuration data per
	 * BIS index. As our API does not support such specialized BISes we
	 * currently don't do that.
	 */

alos at line 264 in broadcast_source.c

	/* TODO: The following encoding should be done for each subgroup once
	 * supported
	 */

is this something that you are currently working on?

Best regards,
Håkon

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

hakved_vea — Tue, 07 Feb 2023 08:33:16 GMT

Hi Dejan,

I have been working with the nRF5340 Audio example, and made the changes described above in the files regarding that example. I only tested ISO receive to compare the two source codes.

The nRF5340 Audio DK is only receiving a mono signal, while VOCE is broadcasting a stereo, when syncing to both channels I think the audio is mixed into the one mono channel and half of the packets gets duplicated reject. When listening to songs I can recognize the song playing, however it sounds broken.

I see that from the terminal printout that:
nRF5340 have define Channel allocation: 0x1
while VOCE sets Channel allocation: 0x0
What implications does this have?

Best regards,
Håkon

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Mon, 30 Jan 2023 11:19:21 GMT

Hi Håkon,

[quote user="hakved_vea"]I programmed nRF5340-Audio-DK with ISO Receive example[/quote]

Where did you make all previously mentioned changes? Did you manually copy some files from nRF5340 Audio sample to ISO Receive sample and if so, which files? Could you show the current folder structure of your project which is programmed on nRF5340 audio DK?

[quote user="hakved_vea"]so that is selected both indexes BIT(1) and BIT(2). This is what ISO Receive had in the sync parameters.[/quote]

Could you specify these sync parameters in ISO Receive?

[quote user="hakved_vea"]Then I was able to get the audio stream from VOCE to play on nRF5340, however the sound is disturbed.[/quote]

Could you provide more information about the sound? How is it disturbed?

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

hakved_vea — Fri, 27 Jan 2023 13:03:23 GMT

Hi again,

I edited line 320 in le_audio_bis_headset.c:

	ret = bt_audio_broadcast_sink_sync(broadcast_sink,6/*bis_index_bitfields[active_stream_index]*/ ,
					   audio_streams_p, NULL);

so that is selected both indexes BIT(1) and BIT(2). This is what ISO Receive had in the sync parameters.

Then I was able to get the audio stream from VOCE to play on nRF5340, however the sound is disturbed.

*** Booting Zephyr OS build v3.2.99-ncs1 ***
HL [00:00:00.351,654] [1B][0m<inf> fw_info: [1B][0;32m
	 nRF5340 Audio nRF5340 Audio DK cpuapp 			    
	 NCS base version: 2.2.0 			    
	 Cmake run : Fri Jan 27 13:46:00 2023[1B][0m[1B][0m
HL [00:00:00.351,654] [1B][0m<inf> fw_info: ------- DEBUG BUILD -------[1B][0m
HL [00:00:00.351,684] [1B][0m<inf> fw_info: [1B][0;36mHEADSET left device[1B][0m[1B][0m
HL [00:00:00.362,304] [1B][0m<inf> board_version: [1B][0;32mCompatible board/HW version found: 1.0.0[1B][0m[1B][0m
HL [00:00:02.407,196] [1B][1;33m<wrn> bt_hci_core: Controller to host flow control not supported[1B][0m
HL [00:00:02.535,919] [1B][0m<inf> ble: MAC: EB:37:46:99:6E:86 (random)[1B][0m
HL [00:00:02.536,132] [1B][0m<inf> ble: Controller version: 3310[1B][0m
HL [00:00:02.630,828] [1B][0m<inf> bis_headset: Scanning for broadcast sources[1B][0m
HL [00:00:02.640,167] [1B][0m<inf> bis_headset: Broadcast source ªªªªªªªªªªªª[1D] found[1B][0m
HL [00:00:02.847,717] [1B][0m<inf> bis_headset: Codec config for LC3:[1B][0m
HL [00:00:02.847,747] [1B][0m<inf> bis_headset: 	Frequency: 48000 Hz[1B][0m
HL [00:00:02.847,747] [1B][0m<inf> bis_headset: 	Frame Duration: 10000 us[1B][0m
HL [00:00:02.847,747] [1B][0m<inf> bis_headset: 	Octets per frame: 100 (80000 kbps)[1B][0m
HL [00:00:02.847,778] [1B][0m<inf> bis_headset: 	Frames per SDU: 1[1B][0m
HL [00:00:02.847,778] [1B][0m<inf> bis_headset: 	Channel allocation: 0x0[1B][0m
HL [00:00:02.847,778] [1B][0m<inf> bis_headset: Codec config for LC3:[1B][0m
HL [00:00:02.847,808] [1B][0m<inf> bis_headset: 	Frequency: 48000 Hz[1B][0m
HL [00:00:02.847,808] [1B][0m<inf> bis_headset: 	Frame Duration: 10000 us[1B][0m
HL [00:00:02.847,808] [1B][0m<inf> bis_headset: 	Octets per frame: 100 (80000 kbps)[1B][0m
HL [00:00:02.847,808] [1B][0m<inf> bis_headset: 	Frames per SDU: 1[1B][0m
HL [00:00:02.847,839] [1B][0m<inf> bis_headset: 	Channel allocation: 0x0[1B][0m
HL [00:00:02.847,930] [1B][0m<inf> bis_headset: Syncing to broadcast stream index 0[1B][0m
HL [00:00:02.908,233] [1B][0m<inf> bis_headset: Stream index 0 started[1B][0m
HL [00:00:02.908,477] [1B][0m<inf> bis_headset: Stream index 0 started[1B][0m
HL [00:00:02.926,269] [1B][1;33m<wrn> audio_datapath: I2S RX overrun. Single msg[1B][0m
HL [00:00:02.932,281] [1B][0m<inf> audio_datapath: Drft comp state: CALIB[1B][0m
HL [00:00:02.933,197] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2574616) - Dropping audio frame[1B][0m
HL [00:00:02.933,197] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2574616) - Dropping audio frame[1B][0m
HL [00:00:02.933,227] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2574616) - Dropping audio frame[1B][0m
HL [00:00:02.933,258] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 14[1B][0m
HL [00:00:02.951,599] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:02.953,155] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2594617) - Dropping audio frame[1B][0m
[1B][1;31m--- 3 messages dropped ---
[1B][0mHL [00:00:02.971,588] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:02.973,175] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2614617) - Dropping audio frame[1B][0m
[1B][1;31m--- 5 messages dropped ---
[1B][0mHL [00:00:02.993,194] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2634617) - Dropping audio frame[1B][0m
[1B][1;31m--- 5 messages dropped ---
[1B][0mHL [00:00:03.013,244] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 54[1B][0m
[1B][1;31m--- 1 messages dropped ---
[1B][0mHL [00:00:03.031,585] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 4 messages dropped ---
[1B][0mHL [00:00:03.033,264] [1B][1;33m<wrn> audio_datapath: Data received, total underruns: 64[1B][0m
HL [00:00:03.051,605] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
[1B][1;31m--- 4 messages dropped ---
[1B][0mHL [00:00:03.071,594] [1B][0m<inf> audio_datapath: sdu_ref_us not from consecutive frames[1B][0m
HL [00:00:03.073,150] [1B][1;33m<wrn> audio_datapath: Duplicate sdu_ref_us (2714617) - Dropping audio frame[1B][0m

Above is a dump from the terminal. It seems it connects both ISO channels to the same audio channel.

I'm a bit lost in why this work and why setting bis_bitfields to the correct value causes the nRF5340 to crash?

Best regards,
Håkon

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

hakved_vea — Fri, 27 Jan 2023 11:12:42 GMT

Hi Deja,

In broadcast_sink.c i comment out line 704 to 706

static bool scan_check_and_sync_broadcast(struct bt_data *data, void *user_data)
{
	uint32_t *broadcast_id = user_data;
	struct bt_uuid_16 adv_uuid;

	if (sys_slist_is_empty(&sink_cbs)) {
		/* Terminate early if we do not have any broadcast sink listeners */
		return false;
	}

	if (data->type != BT_DATA_SVC_DATA16) {
		return true;
	}

//	if (data->data_len < BT_UUID_SIZE_16 + BT_AUDIO_BROADCAST_ID_SIZE) {
//		return true;
//	}

	if (!bt_uuid_create(&adv_uuid.uuid, data->data, BT_UUID_SIZE_16)) {
		return true;
	}

	if (bt_uuid_cmp(&adv_uuid.uuid, BT_UUID_BROADCAST_AUDIO)) {
		return true;
	}

	if (broadcast_sink_syncing_get() != NULL) {
		/* Already syncing, can maximum sync one */
		return true;
	}

	*broadcast_id = sys_get_le24(data->data + BT_UUID_SIZE_16);

	/* Stop parsing */
	return false;
}

and in le_audio_bis_headset.c i comment out line 185 to 188 and returned true

static struct bt_audio_stream_ops stream_ops = { .started = stream_started_cb,
						 .stopped = stream_stopped_cb,
						 .recv = stream_recv_cb };

static bool scan_recv_cb(const struct bt_le_scan_recv_info *info, struct net_buf_simple *ad,
			 uint32_t broadcast_id)
{
	char name[DEVICE_NAME_PEER_LEN];

	bt_data_parse(ad, adv_data_parse, (void *)name);
	LOG_INF("Broadcast source %s found", name);

//	if (strncmp(name, CONFIG_BT_DEVICE_NAME, DEVICE_NAME_PEER_LEN) == 0) {
//		LOG_INF("Broadcast source %s found", name);
//		return true;
//	}

	return true;
}

It still works with two nRF5340 boards (one receiver and one transmitter).

When connecting to VOCE nRF5340 crashes when syncing BIG, in function

bt_iso_big_sync(...)

when comparing ISO Receive a nRF5340_Audio, there are some difference in sync parameters. The ISO Receive example does not crash in bt_iso_big_sync(...)

Best regards,

Håkon

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

dejans — Fri, 27 Jan 2023 10:26:45 GMT

Hi Håkon,

To which specific files and inside which specific sample did you make changes? Could you show the exact changes that you made?

Best regards,
Dejan

RE: Connecting nRF5340 LE Audio to other LE Audio equipment

hakved_vea — Fri, 27 Jan 2023 09:57:46 GMT

Hi Dejan,

I programmed nRF5340-Audio-DK with ISO Receive example, the VOCE is set up as tx broadcast (BIS), this is programmed by NEXUM.

from the image above, I want to keep all I2S and audio functionality, then stream audio from the VOCE device to the headphone output jack port.

Best regards,
Håkon