[Speex-dev] About echo cancelling

[Jean-Marc Valin]

Try first without AGC or anything like that. 

	Jean-Marc
Le jeudi 26 janvier 2006 à 13:54 +0900, 손승원 a écrit :
> Hi.
>  
> I've implemented "echo cancel" to voip project.
> But it doesn't work well . (I cannot feel the enhancement with
> activated AGC)
>  
> My encode settings :
> 1. frame size : 320 bytes.
> 2. sampling rate : 16000 Hz (WB)
> 3. mono
>  
> echo state initialized like this :
>  
> echo_state = speex_echo_state_init(framesize, framesize*16);
>  
> and befor encode :
>  
> speex_echo_cancel(echo_state, input_data, decoded_data,
> echo_canceled_data, residue);
>  
> input_data : recorded data
> decoded_data : previous decoded data 
> echo_canceled_data : echo cancel output data
>  
> Is there any faults for my "echo cancel" usage?
>  
> P.S : Dear Jean-Marc.
>          Thank you for kind answers.
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