[Rtcomm] [Rtcomm] [Bug 5689] Using Motorola S9 A2DP headset only receives mono phone call audio

Tue Oct 27 16:00:27 EET 2009

https://bugs.maemo.org/show_bug.cgi?id=5689

mikhail.zabaluev at nokia.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID

------- Comment #1 from mikhail.zabaluev at nokia.com  2009-10-27 16:00 GMT+3 -------
The internal bug got resolved with the following comment:
"A2DP is intended for unidirectional high-quality audio distribution. A voice
call requires full-duplex audio and has also a much lower latency requirement
than can be achieved with A2DP. Therefore, all multi-profile headsets switch
from A2DP to the Handsfree Profile (HFP) for the duration of a call. (the audio
could still come from both speakers even though it's mono and the fact that it
only comes from the other speaker is probably just a design feature of the
S9)."

And the "probably" part was confirmed as a "feature" of this handset model.

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