Hi,

I have the exact same problem and was wondering if you found a solution to 
the echo cancellation problem.

Any help would be appreciated.


Regards,
Said






On Thursday, April 25, 2013 at 3:49:28 PM UTC-4, WB wrote:
>
> Realtime voice app, no video.
>
>
> On Thursday, 25 April 2013 12:10:07 UTC-4, bob wrote:
>>
>> Are you testing this in voice chat, video conferencing, or a SIP call?
>>
>> Thanks.
>>
>>
>>
>> On Wednesday, April 24, 2013 3:38:44 PM UTC-5, WB wrote:
>>>
>>> I'm try to determine if this class works, or is hardware dependent, etc. 
>>>  I have not been able to 
>>> observe a difference between when it is turned on and turned off. 
>>>  Testing on a GS3 and a Nexus S,
>>> I find that the GS3 really doesn't echo at all, regardless of whether 
>>> the AEC is on or off, and the
>>> Nexus S always echos, regardless of whether the AEC is on or off.
>>>
>>> Does anyone have any experience with this class, or know which devices 
>>> support this capability.
>>>
>>> It is entirely possible that I am not using the class correctly due to 
>>> very limited documentation.
>>>
>>> In my code, I have an AudioRecord object from which I extract the 
>>> sessionID, and also use that to
>>> set the sessionID of the AudioTrack (for playback).  I create an 
>>> AcousticEchoCanceler using this
>>> sessionID.  I can then use the AEC method to turn cancellation on and 
>>> off, and query the state.
>>> If this report as expected.  AEC is available of the devices running 4.1 
>>> and above, and by
>>> default it is disabled.   I can then enable it, and check to see if it 
>>> is enabled, and it is.
>>>
>>> I am accessing this through reflection because I am building with an 
>>> older SDK that doesn't 
>>> support the AEC class.
>>>
>>> C.
>>>
>>

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