Re: [Bluez-devel] A2DP vs. microphone

[Marcel Holtmann <marcel@holtmann.org>]

Hi Brad,

> i just added this to our docs and I want to bounce it off you guys to 
> make sure I'm reading things right:
> 
> A2DP provides a way to send stereo high-quality audio to some of the
> newer headsets. This is one-way audio, so if you were expecting to get
> something like a gaming headset (talking to other players, getting
> stereo sound back from the game) I guess the spec is lacking. It might
> be theoretically possible for a headset to accept simultaneous SCO and
> A2DP connections to do this but even if it's possible, no headset
> allows it.

SCO is bidirectional and thus using a Bluetooth headset for gaming is
possible. The A2DP is a distribution service and you can have multiple
sink and source combination. So a headphone can also have a microphone
channel to send high quality voice (for voice recognition) back. However
I haven't seen such a product so far, but it seems that the Toshiba SR-1
may is capable of something like that. Check my webpage.

Regards

Marcel




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