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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#define SILENCE_THRESHOLD 0.001
#define SILENCE_DISTANCE 16.0
/* NORM_CHROMA
*
* This function normalizes the chroma for each frame of the
* chrom_energy to mean 0 and std. dev. 1.
*/
void norm_chroma( int len, float *chrom_energy );
/* GEN_DIST
*
* This function generates the Euclidean distance for points i
* and j in two chroma vectors for use with dynamic time warping of
* the chroma vectors.
*/
float gen_dist(int i, int j, float *chrom_energy1,
float *chrom_energy2 );
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