annotate Code/Descriptors/Matlab/Common/ShortTimeEnergy.m @ 4:92ca03a8fa99
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Update to ICASSP 2013 benchmark
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Dawn Black |
| date |
Wed, 13 Feb 2013 11:02:39 +0000 |
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ea0c737c6323 |
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1 function E = ShortTimeEnergy(signal, windowLength, step);
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2 signal = signal / max(max(signal));
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3 curPos = 1;
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4 L = length(signal);
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5 numOfFrames = floor((L-windowLength)/step) + 1;
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6 %H = hamming(windowLength);
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7 E = zeros(numOfFrames,1);
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8 for (i=1:numOfFrames)
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9 window = (signal(curPos:curPos+windowLength-1));
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10 E(i) = (1/(windowLength)) * sum(abs(window.^2));
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11 curPos = curPos + step;
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12 end
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