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-rw-r--r--ofxMaxim/ofxMaxim/libs/maxiFFT.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/ofxMaxim/ofxMaxim/libs/maxiFFT.cpp b/ofxMaxim/ofxMaxim/libs/maxiFFT.cpp
index 90a3137..c648992 100644
--- a/ofxMaxim/ofxMaxim/libs/maxiFFT.cpp
+++ b/ofxMaxim/ofxMaxim/libs/maxiFFT.cpp
@@ -110,7 +110,7 @@ float maxiFFT::spectralFlatness() {
float maxiFFT::spectralCentroid() {
float x=0, y=0;
for(int i=0; i < bins; i++) {
- x += fabs(magnitudes[i]) * (i+1);
+ x += fabs(magnitudes[i]) * i;
y += fabs(magnitudes[i]);
}
return y != 0 ? x / y * ((float) maxiSettings::sampleRate / fftSize) : 0;