tpt_mfcc_instance_q31 Struct Reference

Instance structure for the Q31 MFCC function. More...

#include <tpt_math_transform.h>

Data Fields
const q31_t *	dctCoefs
	Internal DCT coefficients.
const q31_t *	filterCoefs
	Internal Mel filter coefficients.
const q31_t *	windowCoefs
	Windowing coefficients.
const uint32_t *	filterPos
	Internal Mel filter positions in spectrum.
const uint32_t *	filterLengths
	Internal Mel filter lengths.
uint32_t	aLogN
	FFT length.
uint32_t	nbMelFilters
	Number of Mel filters.
uint32_t	nbDctOutputs
	Number of DCT outputs.

Detailed Description

Instance structure for the Q31 MFCC function.

Field Documentation

aLogN

uint32_t tpt_mfcc_instance_q31::aLogN

FFT length.

dctCoefs

const q31_t* tpt_mfcc_instance_q31::dctCoefs

Internal DCT coefficients.

filterCoefs

const q31_t* tpt_mfcc_instance_q31::filterCoefs

Internal Mel filter coefficients.

filterLengths

const uint32_t* tpt_mfcc_instance_q31::filterLengths

Internal Mel filter lengths.

filterPos

const uint32_t* tpt_mfcc_instance_q31::filterPos

Internal Mel filter positions in spectrum.

nbDctOutputs

uint32_t tpt_mfcc_instance_q31::nbDctOutputs

Number of DCT outputs.

nbMelFilters

uint32_t tpt_mfcc_instance_q31::nbMelFilters

Number of Mel filters.

windowCoefs

const q31_t* tpt_mfcc_instance_q31::windowCoefs

Windowing coefficients.

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The documentation for this struct was generated from the following file:

• include/libdsp/tpt_math_transform.h