Hi Garima

If you are developing application, to control media and phone audio, You
will need to implement it in Framework.
For ex: You can go by sending At commands to Phone - (BluetoothHandsfree)
and immitate as though Headset itself is sending it.
You can refer the HFP spec of Bluetooth for At commands and operation. For
Voice gain and reduction there are specific at commands.
I think you will need to send this to socket of BluetoothAudioGateway.
I'm not sure if this is what you require and if it answers your question.
Let me know.

Regards,
Ajith

On Tue, Oct 5, 2010 at 12:53 AM, Garima
<[email protected]>wrote:

> I have read that in-call audio is not available to SDK applications.
> Does that mean that there is no way by which we can access the uplink/
> downlink audio stream?
>
> I don't want to do any call recording but instead I would like to use
> VOICE_CALL or VOICE_UPLINK or VOICE_DOWNLINK through my app which is
> interfaced with the bluetooth headset, so that I can use the Noise
> Cancellation capability of my bluetooth (which gets activated only
> when you are in phone-call mode). But am not sure how to go about
> doing it. To record and playback am using AudioRecord and AudioTrack
> classes.
>
> Any help or suggestions would be greatly appreciated.
>
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