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Thank you John.<br>
<br>
On 07/06/2009 11:03 PM, John Ridges wrote:
<blockquote cite="mid:4A5266B9.7010605@masque.com" type="cite">
<pre wrap="">ly synchronized, and therefore the clock drift adds a non-linear
factor to the audio path. The AEC can only cancel linear changes to the
audio path, and so the AEC never converges.</pre>
</blockquote>
Is this a limitation common to all the AEC implementations/algorithms,
or just the speex one?<br>
<blockquote cite="mid:4A5266B9.7010605@masque.com" type="cite">
<pre wrap="">One solution is to measure
the clock drift and resample either the input or output signal so that
they <b class="moz-txt-star"><span class="moz-txt-tag">*</span>are<span
class="moz-txt-tag">*</span></b> synchronized, and then the AEC can converge. It's not fun,
but it works.
</pre>
</blockquote>
Could you detail me how to measure the clock drift? Any pointer to doc
or example?<br>
<br>
I apologize for my lack of knowledge in this topic,<br>
G.<br>
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