[Speex-dev] AEC diagnistics generated files

[Mihai Balea]

On Dec 4, 2007, at 5:49 PM, Dmitry Nikitin wrote:

> Hi Guys,
>
> I am trying to incorporate the speex AEC into my RTP stack.
>
> Trying to diagnose why the echo is not being cancelled I enabled
> DUMP_ECHO_CANCEL_DATA as per the docs.
>
> The problem is that the dump files the AEC generates are of different
> size.
>
> As I understand this and looking at echo_diagnostic.m, the files are
> supposed to be of same size.
>
> Can someone give me a hint as to why this could be happening?
>
> Additional info:
>
> Windows WaveIn/Out API is used to work with a sound device.
> The format is PCM 16 8 2

You might want to try a different Audio I/O.  We use Direct Sound in  
our systems and AEC seems to work fine with that.
Not sure exactly why this is happening.

Mihai

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