I am looking for a way / library to analyze voice patterns. Say, there are 6 people in the room. I want to identify each one by voice.
Any hints are much appreciated.
Dmitry
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Have you tried searching online first? – runmad Aug 13 '12 at 13:57
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First, Google it. possible duplicate of http://stackoverflow.com/questions/8634366/can-anyone-suggest-a-library-for-audio-pattern-recognition – bitmapdata.com Aug 13 '12 at 13:58
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2This may be a better fit for the sister SE site, Signal Processing. http://dsp.stackexchange.com/ – Hooked Aug 13 '12 at 14:19
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yeah, those voting down my question are not actually getting it. @bitmapdata.com I'm not looking to recognize words, I just need to recognize voice timbres and differentiate. – Dmitry Aug 15 '12 at 09:01
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@Hooked thanks for pointing me to that site! – Dmitry Aug 15 '12 at 09:02
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@runmad no, I didn't know search engines existed. – Dmitry Aug 15 '12 at 09:03
1 Answers
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The task of taking a long contiguous audio recording and splitting it up in chunks in which only one speaker is speaking - without any prior knowledge about the voice characteristics of each speaker - is called "Speaker diarization". You can find links to research code on the wikipedia page.
If you have prior recordings of each voice, and would rather do classification, this is a slightly different problem (Speaker recognition or Speaker identification). Software tools for that are available here (note that general purposes speech recognition packages like Sphinx or HTK are flexible enough to be coaxed into doing that).
Answered here https://dsp.stackexchange.com/questions/3119/library-to-differentiate-people-by-their-voice-timbre
