AudioFX/timestretch_8h_source.html

#ifndef TIMESTRETCH_H

#define TIMESTRETCH_H


#include <vector>

#include <cassert>

#include "utils.h"

#include "params.h"


using namespace std;


class TimeStretch

{

private:


    static void stretchFrame(const vector<double> &frame, int shiftedStart, double shiftFactor, vector<double> &out);


public:

    static void stretchChannel(const vector<double> &channel, double shiftFactor, vector<double> &out);


    static vector<vector<double>> changeSpeed(const vector<vector<double>>& samples, double shiftFactor);


};


#endif

TimeStretch
Class to stretch/compress an audio file without changing the pitch.
Definition timestretch.h:16

TimeStretch::changeSpeed
static vector< vector< double > > changeSpeed(const vector< vector< double > > &samples, double shiftFactor)
Perform time stretching algorithm on each channel independently.

TimeStretch::stretchChannel
static void stretchChannel(const vector< double > &channel, double shiftFactor, vector< double > &out)
Use phase vocoder to stretch/compress audio samples.