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(parent: 4903153) | patch
Working on FFT based correlation
authorSimon A. Eugster <simon.eu@gmail.com>
Mon, 20 Feb 2012 12:53:38 +0000 (13:53 +0100)
committerSimon A. Eugster <simon.eu@gmail.com>
Mon, 20 Feb 2012 12:53:38 +0000 (13:53 +0100)
commitfc658bb3f49618e4f83a88b48ea1bc06151b99b6
tree992e61a4e66fe16f867a205a675ee7d173d6be26tree | snapshot
parent4903153c87ec645b53d073c0a5396f58b2cf542bcommit | diff
Working on FFT based correlation

Correlation for two samples of 3 min length are calculated in 2 ms
compared to 16 ms with O(n²) correlation.
Not the same result yet however ...
src/audioscopes/ffttools.cpp diff | blob | history
src/lib/audio/CMakeLists.txt diff | blob | history
src/lib/audio/audioEnvelope.cpp diff | blob | history
src/lib/audio/audioEnvelope.h diff | blob | history
src/lib/audio/fftCorrelation.cpp [new file with mode: 0644] blob
src/lib/audio/fftCorrelation.h [new file with mode: 0644] blob
src/lib/external/kiss_fft/CMakeLists.txt diff | blob | history
testingArea/CMakeLists.txt diff | blob | history
testingArea/correlation.cpp [new file with mode: 0644] blob
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