hsedit.h File Reference

#include "hs.h"
#include "hssf.h"

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Go to the source code of this file.

Functions
void	DeFM (double *a2, double *f2, double *a1, double *f1, double *arec, int npfr, int *peakfr)
void	DFMSeg (double *arec, int &npfr, int *peakfr, int M, int Fr, atom **partials)
void	ReFM (int M, int Fr, atom **partials, atom **partials2, double amount=1, double rate=1, TSF *SF=0)
void	HSAM (THS *HS, THS *SrcHS, double dep, double fre, double ph)
void	HSFM (THS *HS, THS *SrcHS, double a, double freq, double ph)
void	HSFM_SF (THS *HS, THS *SrcHS, double a, double freq, double ph, TSF *SF)
void	HSPitchShift (THS *HS, THS *SrcHS, double ps12)

Detailed Description

• harmonic sinusoid audio editing routines.

Function Documentation

void DeFM	(	double *	a2,
		double *	f2,
		double *	a1,
		double *	f1,
		double *	arec,
		int	npfr,
		int *	peakfr
	)

function DeFM: frequency de-modulation

In: peakfr[npfr]: segmentation into FM cycles, peakfr[0]=0, peakfr[npfr-1]=Fr-1 a1[Fr], f1[Fr]: sequence of amplitudes and frequencies arec[Fr]: amplitude-based weights for frequency averaging Out: a2[Fr], f2[Fr]: amplitude and frequency sequance after demodulation

No return value.

void DFMSeg	(	double *	arec,
		int &	npfr,
		int *	peakfr,
		int	M,
		int	Fr,
		atom **	partials
	)

function DFMSeg: segments HS frames into FM cycles

In: partials[M][Fr]: HS partials Out: peakfr[npfr]: segmentation, peakfr[0]=0, peakfr[npfr-1]=Fr-1. arec[Fr]: total amplitudes of frames

No return value.

void HSAM	(	THS *	HS,
		THS *	SrcHS,
		double	dep,
		double	fre,
		double	ph
	)

function HSAM: harmonic sinusoid amplitude modulation

In: SrcHS: source harmonic sinusoid dep: modulation depth fre: modulator frequency ph: modulator phase Out: HS: destination harmonic sinusoid

No reutrn value.

void HSFM	(	THS *	HS,
		THS *	SrcHS,
		double	a,
		double	freq,
		double	ph
	)

function HSFM: harmonic sinusoid frequency modulation

In: SrcHS: source harmonic sinusoid a: modulation extent, in semitones fre: modulator frequency ph: modulator phase Out: HS: destination harmonic sinusoid

No reutrn value.

void HSFM_SF	(	THS *	HS,
		THS *	SrcHS,
		double	a,
		double	freq,
		double	ph,
		TSF *	SF
	)

function HSFM_SF: harmonic sinusoid frequency modulation with source-filter model

In: SrcHS: source harmonic sinusoid a: modulation extent, in semitones fre: modulator frequency ph: modulator phase SF: source-filter model Out: HS: destination harmonic sinusoid

No reutrn value.

void HSPitchShift	(	THS *	HS,
		THS *	SrcHS,
		double	ps12
	)

function: HSPitchShift: harmonic sinusoid pitch shifting

In: SrcHS: source harmonic sinusoid ps12: amount of pitch shift, in semitones Out: HS: destination harmonic sinusoid

No return value.

void ReFM	(	int	M,
		int	Fr,
		atom **	partials,
		atom **	partials2,
		double	amount,
		double	rate,
		TSF *	SF
	)

function ReFM: frequency re-modulation

In: partials[M][Fr]: HS partials amount: relative modulation depth after remodulation rate: relateive modulation rate after remodulation SF: a source-filter model, optional Out: partials2[M][Fr]: remodulated HS partials. Must be allocated before calling.

No return value.