Is there a AEC solution on Android?

[Haiming Wang]

Hi Buddies,
   I'm now building a VOIP demo based on GStreamer.    I want to know if anyone have the experience of Echo Cancellation, Noise suppression on Android?    Or any clue or information is welcome as well.  
  I noticed from api level 16 onward,   "AcousticEchoCanceller"  and "NoiseSuppresser" are added to the SDK.  Anyone has the experience to use it?

 Thanks and Regards,Haiming Wang 		 	   		  
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