Computing > Networking & Wireless

Audio over Bluetooth

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YU7C:
Hi,

I need to transfer full audio signal (16bit 20Hz - 20kHz) from Microphone to Windows PC application over Bluetooth, and have selected Microchip BM62 Wireless module.
At the  begining everthing goes flawless: BM62 paired with BT adapter, connected and got BT microphone in Sound.
I got several BT services: Audio Sink, Handsfree Telephony, Headset,...

But audio BW is imited to about 4kHz which told me that only HFP/HSP works, not A2DP.
If I select only A2DP on BM62, then Audio Sink service is only avaliabled but  there is no sound from micropne.

I have connected elecret capsule on the microphone input of BM62.
Perhaps I need line input on BM62 for A2DP audio quality signal?

Does anyone has experinces with BM62?

Thanks,
Vojislav

YU7C:

--- Quote from: blueskull on August 01, 2019, 07:50:19 pm ---A2DP doesn't work with microphone inputs. A2DP is for high quality playback only.

--- End quote ---

Can I use a line input for audio streaming and A2DP profile?

Thanks,

Vojislav

YU7C:
Ok, but anyway I need only one way path, from the device to PC. If it is not possible have to looking for other solution.

Thanks,
Vojislav

Jeroen3:
Not only that. A2DP is also compressed, and receiving a2dp is not possible on Windows.

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