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annotate dsp/synth/expchirp.m @ 34:c75bb62b90a9

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Imported audio synthesis tools.
author samer
date Sun, 20 Jan 2013 19:05:05 +0000
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samer@34 1 function y=expchirp(fs,f0,f1,t)
samer@34 2 % expchirp - exponential chirp
samer@34 3 %
samer@34 4 % expchirp ::
samer@34 5 % F:real ~'sampling frequency',
samer@34 6 % real ~'initial frequency',
samer@34 7 % real ~'final frequency',
samer@34 8 % D:nonneg ~'duration'
samer@34 9 % -> [[1,D*F]].
samer@34 10
samer@34 11 y=chirp(0:(1/fs):t,f0,t,f1,'logarithmic',-90);