Audio file processing, beat detection

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Hi,

I am in search for an algorithm or code for determining or extracting beats/tempo from an audio track. I urgent need it for iPhone application development.

Please help ASAP.

Rabia

Posted 11-Jun-10 10:12am

DeepOceans

Updated 11-Jun-10 11:22am

Moak

v2

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GPUToaster™ · Answer 1 · 2010-06-18T00:58:00

Solution 1

http://code.compartmental.net/tools/minim/manual-beatdetect/[^]

I was searching for the same a few months back. Still working on it. Hope the above mentioned link be useful to you. :)

Posted 18-Jun-10 0:58am

GPUToaster™

engineer27 · Answer 2 · 2010-06-24T12:08:00

Solution 2

I found this paper helpful from an algorithmic point of view. Setting the thresholds is a matter of taste or intent, rather than a science. I found that by increasing the window size (to 5 or 7 samples) made the algorithm slightly more robust.

Posted 24-Jun-10 12:08pm

engineer27