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I am uploading an audacity project with 2 tracks, the 1st one contains a "bitbit" sound resulted from Speex echo cancellation. I tried to remove the sound using Audacity noise cancellation, didn't work. Tried equalizer to cut off some high frequency sounds, worked but somehow degraded the sound quality. Please help how I can clear the noisy audio without significantly degrading quality. If Audacity doesn't work, any C/C++ library can also be used. Audacity Project

Nayeem1
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I think you should use the Noice Reduction effect from the effect menu.

nobody
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vatsal mandaliya
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