/Users/richardeakin/projects/libsms/trunk/src/OOURA.h File Reference

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Defines
#define	sfloat   float
#define	NMAX   8192
#define	NMAXSQRT   64
Functions
void	rdft (int n, int isgn, sfloat *a, int *ip, sfloat *w)
void	makewt (int nw, int *ip, sfloat *w)
void	makect (int nc, int *ip, sfloat *c)
void	bitrv2 (int n, int *ip, sfloat *a)
void	cftfsub (int n, sfloat *a, sfloat *w)
void	cftbsub (int n, sfloat *a, sfloat *w)
void	rftfsub (int n, sfloat *a, int nc, sfloat *c)
void	rftbsub (int n, sfloat *a, int nc, sfloat *c)
void	cft1st (int n, sfloat *a, sfloat *w)
void	cftmdl (int n, int l, sfloat *a, sfloat *w)

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Define Documentation

#define NMAX   8192

#define NMAXSQRT   64

#define sfloat   float

Referenced by BestGuide(), bitrv2(), BlackmanHarris62(), BlackmanHarris70(), BlackmanHarris74(), BlackmanHarris92(), cft1st(), cftbsub(), cftfsub(), cftmdl(), ChooseBestCand(), ComparePeak(), CompExp(), FillGap(), FilterMagEnv(), FindNextMax(), FindNextPeak(), GetBestCandidate(), GetBestPeak(), GetClosestPeak(), GetNextClosestPeak(), GetNextMax(), GetPhaseVal(), GoodCandidate(), Hamming(), IFFTwindow(), InitializeHybrid(), InterpolateArrays(), makect(), makewt(), MultiplySpectra(), rdft(), ReAnalyzeFrame(), rftbsub(), rftfsub(), SinePhaSynth(), SineSynth(), SineSynthIFFT(), sms_allocFrame(), sms_analyze(), sms_analyzeFrame(), sms_changeSynthHop(), sms_copyFrame(), sms_dCepstrum(), sms_dCepstrumEnvelope(), sms_deEmphasis(), sms_detectPeaks(), sms_deterministic(), sms_fillSoundBuffer(), sms_filterArray(), sms_filterHighPass(), sms_frameSizeB(), sms_fundDeviation(), sms_getSound(), sms_harmDetection(), sms_initAnalysis(), sms_initFrame(), sms_initModify(), sms_initSynth(), sms_interpolateFrames(), sms_invQuickSpectrumW(), sms_invSpectrum(), sms_peakContinuation(), sms_PolarToRect(), sms_preEmphasis(), sms_prepSinc(), sms_prepSine(), sms_random(), sms_RectToPolar(), sms_residual(), sms_residualOLD(), sms_rms(), sms_scaleDet(), sms_scaleWindow(), sms_sineSynthFrame(), sms_sizeNextWindow(), sms_spectralApprox(), sms_spectralEnvelope(), sms_spectrum(), sms_spectrumMag(), sms_spectrumRMS(), sms_stocAnalysis(), sms_synthesize(), sms_writeResSound(), and ZeroPoleFilter().

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Function Documentation

void bitrv2	(	int	n,
		int *	ip,
		sfloat *	a
	)

References sfloat.

Referenced by makewt(), and rdft().

void cft1st	(	int	n,
		sfloat *	a,
		sfloat *	w
	)

References sfloat.

Referenced by cftbsub(), and cftfsub().

void cftbsub	(	int	n,
		sfloat *	a,
		sfloat *	w
	)

References cft1st(), cftmdl(), and sfloat.

Referenced by rdft().

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void cftfsub	(	int	n,
		sfloat *	a,
		sfloat *	w
	)

References cft1st(), cftmdl(), and sfloat.

Referenced by rdft().

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void cftmdl	(	int	n,
		int	l,
		sfloat *	a,
		sfloat *	w
	)

References sfloat.

Referenced by cftbsub(), and cftfsub().

void makect	(	int	nc,
		int *	ip,
		sfloat *	c
	)

References sfloat.

Referenced by rdft().

void makewt	(	int	nw,
		int *	ip,
		sfloat *	w
	)

References bitrv2(), and sfloat.

Referenced by rdft().

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void rdft	(	int	n,
		int	isgn,
		sfloat *	a,
		int *	ip,
		sfloat *	w
	)

Todo:

(optimize) replace math.h trig functions (table lookup?)

References bitrv2(), cftbsub(), cftfsub(), makect(), makewt(), rftbsub(), rftfsub(), and sfloat.

Referenced by sms_fft(), and sms_ifft().

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void rftbsub	(	int	n,
		sfloat *	a,
		int	nc,
		sfloat *	c
	)

References sfloat.

Referenced by rdft().

void rftfsub	(	int	n,
		sfloat *	a,
		int	nc,
		sfloat *	c
	)

References sfloat.

Referenced by rdft().