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AEC | Double Talk | ERLE | G.168 | LEC | NLMS

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Discussion Groups | Echo Cancellation | discriminating double talk and echo path change

Technical discussions about echo cancellation and adaptive filtering in general.

  

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discriminating double talk and echo path change - solv_78 - May 20 9:21:00 2002



Hi,
Is echo path change a common problem in LEC. Is there any
standard way of discriminating this with double talk. How adequate
are methods which depend on the variance of the input signal for
discrimination, particularly since tones send from one end can
confuse such discriminators. Also, is this problem taken care of in
standard echo cancellers available?

Thanks,
Sankar




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