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My idea is to find a word in wav/mp3 files. It is just one word. I have a database with a few hundred songs.

I am looking for pattern matching (this is not an exact pattern) it can be an word i choose but only one.

  1. Can you recommend a pre-processing algorithm. you run the algorithm on the files?
  2. Can you recommend a real-time algorithm?

I have found this online

Sibbs Gambling
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Gilad
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    If the word is pronounced with a different voice than your template and/or if there is background music it'll be out of reach with the simple technique you have linked to. – pichenettes Jun 28 '13 at 23:11
  • let us a assume i have 400 songs and i want to find out the word "House". how can i do that? – Gilad Jun 28 '13 at 23:38
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    This is a hard problem. The first step is to isolate the vocals from the background music. Some pointers: http://dsp.stackexchange.com/questions/1499/how-to-extract-vocal-part-from-stereo-audio-signal/1500#1500. The second step is to identify words - the problem is called "keyword spotting" in the speech recognition community. The fact that the word will be sung rather than spoken makes the problem harder. I doubt you'll get decent performances using even state of the art algorithms. – pichenettes Jun 29 '13 at 00:06

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If you are really interested in voice recognition. Check out Hidden markovs model. It is used by several softwares to recognize your words

Omer
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The problem statement has large amount of data for processing. In order to get the exact pattern matching, Artificial Neural Networks/Adaptive Neuro Fuzzy Inference System tool can be used for training this large amount of data and the network will optimize the result while testing.

Dr. Stanley Raj
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