how can i use nRF52832 to transmit voice with analog microphone?

RE: how can i use nRF52832 to transmit voice with analog microphone?

Jared — Thu, 10 Sep 2020 08:44:27 GMT

The BLE protocol is mainly implemented in the Softdevice but the radio is fitted for the BLE protocol. I don't think you can use it for Bluetooth classic, afaik the protocol uses a different kind of modulation.

RE: how can i use nRF52832 to transmit voice with analog microphone?

tang_qianfeng — Thu, 10 Sep 2020 02:45:55 GMT

Another question: are BLE features implemented through softDevice Or have to rely on hardware?In other words, can nRF52832's existing 2.4g transceiver theoretically achieve all the functions of classic Bluetooth?

RE: how can i use nRF52832 to transmit voice with analog microphone?

Jared — Wed, 09 Sep 2020 12:33:27 GMT

Hi,

Have you considered using a microphone with a digital interface? We already does this in our Thingy:52 design. If you have decided to use analog interface and need to use the SAADC then I suggest that you take a look at the SAADC example in the SDK. Also some discussion on digital versus analog interface for microphones and streaming of audio over BLE.

regards

Jared