Mercurial > hg > adaptinstrspec
comparison functions/getNumBinsPerSemitoneFromFreqVec.m @ 0:b4e26b53072f tip
Initial commit.
| author | Holger Kirchhoff <holger.kirchhoff@eecs.qmul.ac.uk> |
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| date | Tue, 04 Dec 2012 13:57:15 +0000 |
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| children |
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| -1:000000000000 | 0:b4e26b53072f |
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| 1 function numBinsPerSemitone = getNumBinsPerSemitoneFromFreqVec(freqsInHz) | |
| 2 % numBinsPerSemitone = getNumBinsPerSemitoneFromFreqVec(freqsInHz) | |
| 3 % | |
| 4 % infers the number of bins per semitone from a given constant-Q frequency | |
| 5 % vector in Hz | |
| 6 | |
| 7 ratios = freqsInHz(2:end) ./ freqsInHz(1:end-1); | |
| 8 avgRatio = mean(ratios); | |
| 9 numBinsPerSemitone = round( 1/(12*log2(avgRatio)) ); |