how to denosie the background noise

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Roger 2015-4-6

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编辑： Roger 2015-4-6

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there r 2 .wav file , one talk with laugh, another is just laugh. how to denoise the laugh from the first one . the green one is laugh sound, blue one is talk with laugh.

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Roger 2015-4-6

编辑：Roger 2015-4-6

<ftp://ftp.cnl.salk.edu/pub/tony/sep96.public>

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Image Analyst 2015-4-6

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That's not noise. It's two different sounds. You don't want a denoising algorithm. This is a "blind source separation" problem, also known as "the cocktail party problem". You can use independent components analysis (ICA) to solve the BSS problem. See these links:

http://en.wikipedia.org/wiki/Cocktail_party_effect

http://www.cnl.salk.edu/~tony/ica.html

http://www.cis.hut.fi/projects/ica/fastica/

http://www.cis.hut.fi/projects/ica/icademo/