I am using nrf5340 audio DK, SDK3.0.2，nrf auraconfig example，https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/samples/bluetooth/nrf_auraconfig/README.html
Here are my instructions:
nac file list
nac usecase 3
nac file select 1.lc3 0 0 0
nac file select 2.lc3 0 1 0
nac file select 3.lc3 0 2 0
nac start
nac file list
[DIR ] System Volume Information
[FILE] 3.lc3
[FILE] 1.lc3
[FILE] 2.lc3
nac usecase 3
File header verification failed. File may not be compatible with stream config.
Failed to register stream: -2
File header verification failed. File may not be compatible with stream config.
Failed to register stream: -2
File header verification failed. File may not be compatible with stream config.
Failed to register stream: -2
BIG 0:
Streaming: false
Advertising name: Multi-language
Broadcast name: Multi-language
Broadcast ID (random): Will be set on start
Packing: interleaved
Encryption: false
Broadcast code:
Subgroup 0:
Preset: Custom
PHY: 2M
Framing: unframed
RTN: 2
SDU size: 60
Max Transport Latency: 60 ms
Frame Interval: 10000 us
Presentation Delay: 40000 us
Sampling rate: 24000 Hz
Bit rate: 48000 bps
Frame duration: 10000 us
Octets per frame: 60
Language: eng
Context(s):
Unspecified
Immediate rendering flag: not set
Number of BIS: 1
Location:
BIS 0: Mono
Files:
BIS 0:
Subgroup 1:
Preset: Custom
PHY: 2M
Framing: unframed
RTN: 2
SDU size: 60
Max Transport Latency: 60 ms
Frame Interval: 10000 us
Presentation Delay: 40000 us
Sampling rate: 24000 Hz
Bit rate: 48000 bps
Frame duration: 10000 us
Octets per frame: 60
Language: chi
Context(s):
Unspecified
Immediate rendering flag: not set
Number of BIS: 1
Location:
BIS 0: Mono
Files:
BIS 0:
Subgroup 2:
Preset: Custom
PHY: 2M
Framing: unframed
RTN: 2
SDU size: 60
Max Transport Latency: 60 ms
Frame Interval: 10000 us
Presentation Delay: 40000 us
Sampling rate: 24000 Hz
Bit rate: 48000 bps
Frame duration: 10000 us
Octets per frame: 60
Language: nor
Context(s):
Unspecified
Immediate rendering flag: not set
Number of BIS: 1
Location:
BIS 0: Mono
Files:
BIS 0:
--- 1 messages dropped ---
-- [00:01:01.781,066] <err> fs: file open error (-2)
-- [00:01:01.781,066] <err> sd_card: Open file failed: -2
-- [00:01:01.781,066] <err> sd_card_lc3_file: Failed to open file: -2
-- [00:01:01.781,066] <err> lc3_streamer: Failed to open file -2
-- [00:01:01.787,963] <err> fs: file open error (-2)
-- [00:01:01.787,963] <err> sd_card: Open file failed: -2
-- [00:01:01.787,963] <err> sd_card_lc3_file: Failed to open file: -2
-- [00:01:01.787,994] <err> lc3_streamer: Failed to open file -2
-- [00:01:01.791,503] <err> fs: file open error (-2)
-- [00:01:01.791,503] <err> sd_card: Open file failed: -2
-- [00:01:01.791,534] <err> sd_card_lc3_file: Failed to open file: -2
-- [00:01:01.791,534] <err> lc3_streamer: Failed to open file -2
-- [00:01:01.799,926] <err> fs: file open error (-2)
-- [00:01:01.799,926] <err> sd_card: Open file failed: -2
-- [00:01:01.799,926] <err> sd_card_lc3_file: Failed to open file: -2
-- [00:01:01.803,466] <err> fs: file open error (-2)
-- [00:01:01.803,466] <err> sd_card: Open file failed: -2
-- [00:01:01.803,466] <err> sd_card_lc3_file: Failed to open file: -2
-- [00:01:01.803,466] <err> lc3_streamer: Failed to open file -2
-- [00:01:01.811,187] <err> fs: file open error (-2)
-- [00:01:01.811,187] <err> sd_card: Open file failed: -2
-- [00:01:01.811,187] <err> sd_card_lc3_file: Failed to open file: -2
-- [00:01:01.811,187] <err> lc3_streamer: Failed to open file -2
uart:~$ nac file select 1.lc3 0 0 0
uart:~$ nac file select 2.lc3 0 1 0
uart:~$ nac file select 3.lc3 0 2 0
uart:~$ nac start
-- [00:02:00.761,199] <inf> broadcast_source: Enabling broadcast_source 0
-- [00:02:00.763,641] <inf> bt_mgmt_adv: Local addr: DC:1E:7F:E2:D5:16 (random)
-- [00:02:00.765,319] <inf> bt_mgmt_adv: Advertising successfully started
-- [00:02:00.773,376] <inf> broadcast_source: Broadcast source 0x2000584c started
-- [00:02:00.773,376] <inf> le_audio: LC3 codec config for source:
-- [00:02:00.773,376] <inf> le_audio: Frequency: 24000 Hz
-- [00:02:00.773,406] <inf> le_audio: Duration: 10000 us
-- [00:02:00.773,406] <inf> le_audio: Channel allocation: 0x0
-- [00:02:00.773,406] <inf> le_audio: Octets per frame: 60 (48000 bps)
-- [00:02:00.773,406] <inf> le_audio: Frames per SDU: 1
-- [00:02:00.774,017] <inf> broadcast_source: Broadcast source 0x2000598c started
-- [00:02:00.774,047] <inf> le_audio: LC3 codec config for source:
-- [00:02:00.774,047] <inf> le_audio: Frequency: 24000 Hz
-- [00:02:00.774,047] <inf> le_audio: Duration: 10000 us
-- [00:02:00.774,047] <inf> le_audio: Channel allocation: 0x0
-- [00:02:00.774,047] <inf> le_audio: Octets per frame: 60 (48000 bps)
-- [00:02:00.774,078] <inf> le_audio: Frames per SDU: 1
-- [00:02:00.775,085] <inf> broadcast_source: Broadcast source 0x20005acc started
-- [00:02:00.775,085] <inf> le_audio: LC3 codec config for source:
-- [00:02:00.775,085] <inf> le_audio: Frequency: 24000 Hz
-- [00:02:00.775,115] <inf> le_audio: Duration: 10000 us
-- [00:02:00.775,115] <inf> le_audio: Channel allocation: 0x0
-- [00:02:00.775,115] <inf> le_audio: Octets per frame: 60 (48000 bps)
-- [00:02:00.775,115] <inf> le_audio: Frames per SDU: 1
Below is the music information：
ffprobe 1.lc3 Input #0, lc3, from '1.lc3': Duration: 00:02:03.02, bitrate: 49 kb/s Stream #0:0: Audio: lc3, 24000 Hz, 1 channels, 48 kb/s Unsupported codec with id 86122 for input stream 0 Input #0, lc3, from '2.lc3': Duration: 00:00:34.04, bitrate: 49 kb/s Stream #0:0: Audio: lc3, 24000 Hz, 1 channels, 48 kb/s Unsupported codec with id 86122 for input stream 0 Input #0, lc3, from '3.lc3': Duration: 00:00:11.34, bitrate: 49 kb/s Stream #0:0: Audio: lc3, 24000 Hz, 1 channels, 48 kb/s Unsupported codec with id 86122 for input stream 0
The headphone and audio DK are very close, and the headphones have no problem listening to other Auracast.
