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Is there any speech enhancement algorithm library?

I need to process a sound to voice recognition, and I want to remove noise from audio source.

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Nice a Brazilian Guy lol !

This is a little tricky to tell you without know what language are you working ...

Maybe a simple Filter can solve your problem or you can look at source code from Audacity are a cool code for noise removal.

Another choice is use Sox by command line to process your voice and use noiseprof to try remove noise.

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  • $\begingroup$ I believe sox is not a possible (we already use in other solutions), because this is a Android solution. I found the Audacity code, but do you know here this type of filter is implemented there? $\endgroup$ – Victor Dec 13 '13 at 12:44
  • $\begingroup$ I have never been so deeply to know what Audacity use :-(, are you from Campinas me too !! $\endgroup$ – ederwander Dec 16 '13 at 14:02
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WebRTC has an Android API with a very good noise suppresing module.

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