Mercurial > hg > multitrack-audio-matcher
diff bayesianArraySrc/DynamicVector.cpp @ 20:4f6006cac9de
added evaluation of recorded tempo, holding of this data, drawing of recorded and playing tempo estimates
author | Andrew N Robertson <andrew.robertson@eecs.qmul.ac.uk> |
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date | Sun, 12 Feb 2012 00:48:07 +0000 |
parents | 780def3a1f36 |
children | eb43b2a007ea |
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--- a/bayesianArraySrc/DynamicVector.cpp Thu Feb 09 18:09:34 2012 +0000 +++ b/bayesianArraySrc/DynamicVector.cpp Sun Feb 12 00:48:07 2012 +0000 @@ -175,14 +175,15 @@ void DynamicVector::addGaussianShapeFromRealTime(const double& actualTime, const double& StdDev, double factor){ - + //could be further optimised double mean = getRealTermsAsIndex(actualTime); -// printf("Gaussian realtime %f at index %f\n", actualTime, mean); + double standardDeviation = StdDev / scalar;//in vector indices from real time (ms) + //printf("Gaussian realtime %f at index %f std dev %f vec indices %f\n", actualTime, mean, StdDev, standardDeviation ); int i; - double std_dev_factor = (2*StdDev*StdDev); - factor *= (1/(StdDev*sqrt(2*PI))); - int maxVal = min((int) array.size(), (int)(mean + 4.8*StdDev)); - int minVal = max(0, (int)(mean - 4.8*StdDev)); + double std_dev_factor = (2*standardDeviation*standardDeviation); + factor *= (1/(standardDeviation*sqrt(2*PI))); + int maxVal = min((int) array.size(), (int)(mean + 4.8*standardDeviation)); + int minVal = max(0, (int)(mean - 4.8*standardDeviation)); for (i=minVal;i < maxVal;i++){ array[i] += factor*exp(-1*(i-mean)*(i-mean)/(std_dev_factor));