filter_functions.c File Reference

#include <memory.h>
#include <string.h>
#include "pitch_estimator.h"
#include "lpc_analysis.h"
#include "codec.h"

Functions
void	WebRtcIsac_AllPoleFilter (double *InOut, double *Coef, size_t lengthInOut, int orderCoef)
void	WebRtcIsac_AllZeroFilter (double *In, double *Coef, size_t lengthInOut, int orderCoef, double *Out)
void	WebRtcIsac_ZeroPoleFilter (double *In, double *ZeroCoef, double *PoleCoef, size_t lengthInOut, int orderCoef, double *Out)
void	WebRtcIsac_AutoCorr (double *r, const double *x, size_t N, size_t order)
void	WebRtcIsac_BwExpand (double *out, double *in, double coef, size_t length)
void	WebRtcIsac_WeightingFilter (const double *in, double *weiout, double *whiout, WeightFiltstr *wfdata)
void	WebRtcIsac_AllpassFilterForDec (double *InOut, const double *APSectionFactors, size_t lengthInOut, double *FilterState)
void	WebRtcIsac_DecimateAllpass (const double *in, double *state_in, size_t N, double *out)
void	WebRtcIsac_Highpass (const double *in, double *out, double *state, size_t N)

Function Documentation

WebRtcIsac_AllpassFilterForDec()

void WebRtcIsac_AllpassFilterForDec	(	double *	InOut,
		const double *	APSectionFactors,
		size_t	lengthInOut,
		double *	FilterState
	)

WebRtcIsac_AllPoleFilter()

void WebRtcIsac_AllPoleFilter	(	double *	InOut,
		double *	Coef,
		size_t	lengthInOut,
		int	orderCoef
	)

WebRtcIsac_AllZeroFilter()

void WebRtcIsac_AllZeroFilter	(	double *	In,
		double *	Coef,
		size_t	lengthInOut,
		int	orderCoef,
		double *	Out
	)

WebRtcIsac_AutoCorr()

void WebRtcIsac_AutoCorr	(	double *	r,
		const double *	x,
		size_t	N,
		size_t	order
	)

WebRtcIsac_BwExpand()

void WebRtcIsac_BwExpand	(	double *	out,
		double *	in,
		double	coef,
		size_t	length
	)

WebRtcIsac_DecimateAllpass()

void WebRtcIsac_DecimateAllpass	(	const double *	in,
		double *	state_in,
		size_t	N,
		double *	out
	)

WebRtcIsac_Highpass()

void WebRtcIsac_Highpass	(	const double *	in,
		double *	out,
		double *	state,
		size_t	N
	)

WebRtcIsac_WeightingFilter()

void WebRtcIsac_WeightingFilter	(	const double *	in,
		double *	weiout,
		double *	whiout,
		WeightFiltstr *	wfdata
	)

WebRtcIsac_ZeroPoleFilter()

void WebRtcIsac_ZeroPoleFilter	(	double *	In,
		double *	ZeroCoef,
		double *	PoleCoef,
		size_t	lengthInOut,
		int	orderCoef,
		double *	Out
	)