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2005 Oct 11
2
echo cancellation test problem on Windows OS.
...orea. 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....
2005 Oct 11
2
About echo CPU consuption
Hi, Jean, thanks for your source code example. I like ask info about cpu consuption, in our example enabling echo removing cause the sound poppling with a celeron 1.7Ghz (taskman show cpu full, without echo is at 30%). Does exist a mode to lower the cpu consuption in echo removing? Because a large part of users base own still "old" CPU of 6-7 generation, as from 500-700 Mhz and lower