[Speex-dev] echo cancellation test problem on Windows OS.
lee kyung moon
gilgil1973 at hotmail.com
Tue Oct 11 19:03:39 PDT 2005
I forgot speaking signal must precede mic signal.
I removed delay more and save another files.
speak-signal2.pcm : remove delay so as to precede mic-signal.pcm.
output2.pcm : output file
>From: "lee kyung moon" <gilgil1973 at hotmail.com>
>To: speex-dev at xiph.org
>Subject: [Speex-dev] echo cancellation test problem on Windows OS.
>Date: Wed, 12 Oct 2005 01:47:27 +0000
>I'm a programmer lived in Korea.
>This time, I was investingating echo cancellation and found speex
>echo cancellation related API.
>But echo stilll remains.
>1. echo cancellation using only files works propertly.
>2. echo cancellation using sound device works not propertly.
>You can download test files as followed.
>http://www.vdream.co.kr/temp/ec/echocancel.wmv ( testing screen
>capture file )
>http://www.vdream.co.kr/temp/ec/echocancel.zip ( test files )
>The reason why echo still remains is that speaking signal from sound
>device differs from speaking signal from file, I guess.
>It's my pleasure to see my testring files.
>Thanks in advanced.
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