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From: rwalker@rd.bbc.co.uk (Bob Walker)
Subject: Re: Acoustic echo cancellation
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Date: Fri, 19 May 1995 11:23:01 GMT
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Xref: glinda.oz.cs.cmu.edu comp.dsp:19571 comp.speech:5660

David Kastrup (dak@messua.informatik.rwth-aachen.de) wrote:
: Tony Woolf <tony@howl.demon.co.uk> writes:

: > 
: >> SigTech out of Cambridge, MA makes a unit that does echo
: >> cancellation ...

: >If it's the unit I know, it doesn't do echo cancellation, which I
: >think is impossible in a room with a non-repetitive signal.  What it
