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2006 Jul 12
0
some echo cancellation tests
...ice1 as the data of both mic and speaker. Final, I get a ideal result after modified the parameters for several times. It means the output is almost silent. I think this shows the echo cancellation can work. TEST 2. Then I edit the TestVoice1 using Audacity, add some other voice on it and generate TestVoice2. This time I use TestVoice2 as the data of mic, TestVoice1 as the data of speaker. The result is also very good. TEST 3. First, play TestVoice1, record it as TestVoice3. Then, I adjust the timeline of TestVoice3. So the position of sound from these two files are almost the same. This time I use Te...