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Sonograms in IDL? [message #41812]

Thu, 25 November 2004 08:50

Ben Panter
Messages: 102
Registered: July 2003

Senior Member

Hi Guys,

A friend who works with birds has asked me to have a look at some
recordings (wav format). The recordings are mimics of a model sound (I
have this too). She wants to try to think of some sort of statistical
measure of their similarity - basically how well the bird is doing at
copying. At the moment I've happily read in the wav files with read_wav,
and have started playing around with signal processing bits. From
various websites it appears that I can get lots of interesting
information by creating something called a sonogram - pitch v. time,
with amplitude represented by a heavier colour.

Before I go through the process of writing my own sonogram program,
does anyone have one that they are willing to share? Or any advice on
potential pitfalls?

Thanks,

Ben

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Ben Panter, Garching, Germany
email via www.benpanter.co.uk

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Sonograms in IDL?

By: Ben Panter on Thu, 25 November 2004 08:50

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