Mercurial > hg > ishara

diff 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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dsp/synth/expchirp.m	Sun Jan 20 19:05:05 2013 +0000
@@ -0,0 +1,11 @@
+function y=expchirp(fs,f0,f1,t)
+% expchirp - exponential chirp
+%
+% expchirp ::
+%    F:real   ~'sampling frequency',
+%    real     ~'initial frequency',
+%    real     ~'final frequency',
+%    D:nonneg ~'duration'
+% -> [[1,D*F]].
+
+y=chirp(0:(1/fs):t,f0,t,f1,'logarithmic',-90);