Re: Comparing audio (wav) files
From: CBFalconer (cbfalconer_at_yahoo.com)
Date: 10/04/03
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Date: Sat, 04 Oct 2003 19:22:59 GMT
aten wrote:
>
> I'm writing a program that has a section that requires the comparison
> of two wav files. The sound files will be really small. I'm
> interested in sounds like a hand clap, or wood hitting wood, or wood
> striking tin. Little sounds. My section of the program would read two
> sound files into memory, apply some sonic algorithm on both. The
> output of that algorithm should be stored in some data structure.
> Then a comparison of the output would be made and would return some
> value to determine how closely one sound resembles the other, or at
> least if they matched. This program can be written in Java or C++.
> Are there in classes available that will allow me to implement what's
> describe above easily? I'm more concerned about the algorithm to
> extract frequency data, or whatever data is needed from the wav file
> to compare it to another. I'm trying to avoid re-inventing the wheel
> here, so if there is some package available that allows for this I
> would greatly appreciate any info on where to get it..
Whew. You have a major problem. What sounds similar to one
person does not to another. I believe westerners trying to speak
Chinese are the source of much hilarity in China. How does one
characterize a sound, and what defines similarity, etc. If this
were easy it would be easy to implement voice driven interfaces.
-- Chuck F (cbfalconer@yahoo.com) (cbfalconer@worldnet.att.net) Available for consulting/temporary embedded and systems. <http://cbfalconer.home.att.net> USE worldnet address!
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