Mercurial > hg > adaptinstrspec

diff functions/midiPitch2Freq.m @ 0:b4e26b53072f tip

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Initial commit.
author Holger Kirchhoff <holger.kirchhoff@eecs.qmul.ac.uk>
date Tue, 04 Dec 2012 13:57:15 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/functions/midiPitch2Freq.m	Tue Dec 04 13:57:15 2012 +0000
@@ -0,0 +1,6 @@
+function freq = midiPitch2Freq(midiPitch, tuningFreqInHz)
+% freq = midiPitch2Freq(midiPitch, tuningFreqInHz)
+% 
+% converts midi pitch index to frequency given a tuning frequeny
+
+freq = tuningFreqInHz * 2.^((midiPitch - 69)/12); % midi pitch 69 belongs to A4, the standard pitch, for which the tuning freq is given