/Users/richardeakin/projects/libsms/trunk/src/fixTracks.c File Reference

functions for making smoothly evolving tracks (partial frequencies) More...

#include "sms.h"

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Functions
static void	FillGap (int iCurrentFrame, int iTrack, int *pIState, SMS_AnalParams *pAnalParams)
	fill a gap in a given track
static void	DeleteShortTrack (int iCurrentFrame, int iTrack, int *pIState, SMS_AnalParams *pAnalParams)
	delete a short track
void	sms_cleanTracks (int iCurrentFrame, SMS_AnalParams *pAnalParams)
	fill gaps and delete short tracks
void	sms_scaleDet (sfloat *pFSynthBuffer, sfloat *pFOriginalBuffer, sfloat *pFSinAmp, SMS_AnalParams *pAnalParams, int nTrack)
	scale deterministic magnitude if synthesis is larger than original

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Detailed Description

functions for making smoothly evolving tracks (partial frequencies)

Tries to fix gaps and short tracks

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Function Documentation

static void DeleteShortTrack	(	int	iCurrentFrame,
		int	iTrack,
		int *	pIState,
		SMS_AnalParams *	pAnalParams
	)			[static]

delete a short track

this function is not exported to sms.h

Parameters:

	iCurrentFrame	current frame
	iTrack	track to be deleted
	pIState	pointer to the state of tracks
	pAnalParams	pointer to analysis parameters

References SMS_AnalFrame::deterministic, SMS_AnalParams::iDebugMode, SMS_AnalFrame::iFrameNum, SMS_AnalParams::iMaxSleepingTime, SMS_Data::pFSinAmp, SMS_Data::pFSinFreq, SMS_Data::pFSinPha, SMS_AnalParams::ppFrames, SMS_DBG_ALL, and SMS_DBG_CLEAN_TRAJ.

Referenced by sms_cleanTracks().

static void FillGap	(	int	iCurrentFrame,
		int	iTrack,
		int *	pIState,
		SMS_AnalParams *	pAnalParams
	)			[static]

fill a gap in a given track

Parameters:

	iCurrentFrame	currrent frame number
	iTrack	track to be filled
	pIState	pointer to the state of tracks
	pAnalParams	pointer to analysis parameters

References SMS_AnalFrame::deterministic, SMS_AnalParams::fFreqDeviation, SMS_AnalParams::iDebugMode, SMS_AnalParams::iFormat, SMS_AnalFrame::iFrameNum, SMS_AnalParams::iMinTrackLength, SMS_AnalParams::iSamplingRate, MIN, SMS_Data::pFSinAmp, SMS_Data::pFSinFreq, SMS_Data::pFSinPha, SMS_AnalParams::ppFrames, sfloat, SMS_AnalParams::sizeHop, SMS_DBG_ALL, SMS_DBG_CLEAN_TRAJ, SMS_FORMAT_IH, SMS_FORMAT_IHP, and TWO_PI.

Referenced by sms_cleanTracks().

void sms_cleanTracks	(	int	iCurrentFrame,
		SMS_AnalParams *	pAnalParams
	)

fill gaps and delete short tracks

Parameters:

	iCurrentFrame	current frame number
	pAnalParams	pointer to analysis parameters

References DeleteShortTrack(), SMS_AnalFrame::deterministic, FillGap(), SMS_AnalParams::iDebugMode, SMS_AnalParams::iFormat, SMS_AnalFrame::iFrameNum, SMS_AnalParams::iMaxSleepingTime, SMS_AnalParams::iMinTrackLength, SMS_AnalParams::nGuides, SMS_Data::pFSinAmp, SMS_Data::pFSinFreq, SMS_Data::pFSinPha, SMS_AnalParams::ppFrames, SMS_DBG_ALL, SMS_DBG_CLEAN_TRAJ, SMS_FORMAT_H, and SMS_FORMAT_HP.

Referenced by sms_analyze().

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void sms_scaleDet	(	sfloat *	pFSynthBuffer,
		sfloat *	pFOriginalBuffer,
		sfloat *	pFSinAmp,
		SMS_AnalParams *	pAnalParams,
		int	nTrack
	)

scale deterministic magnitude if synthesis is larger than original

Parameters:

	pFSynthBuffer	synthesis buffer
	pFOriginalBuffer	original sound
	pFSinAmp	magnitudes to be scaled
	pAnalParams	pointer to analysis parameters
	nTrack	number of tracks

References SMS_AnalParams::iDebugMode, SMS_AnalFrame::iFrameNum, SMS_AnalParams::ppFrames, sfloat, SMS_AnalParams::sizeHop, SMS_DBG_ALL, SMS_DBG_CLEAN_TRAJ, sms_dBToMag(), and sms_magToDB().

Referenced by sms_analyze().

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