Am Mo 25. Mai 2009 schrieb Yogiz: > Just to make sure I understand. SHR being echo free wasn't done with > the hidden echo-cancellation gsm command but with playing with the alsa > state files? Or was it both?
It's been done by using the (not so hidden) AT%Nxxxx AdaptiveEchoCancellation&noisegate command. Too high feedback volume from earpiece to mic - especially when distorted (and so not exactly identical to the output signal) - may confuse AEC though. cheers jOERG
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