arm_mfcc_instance_f32 Struct Reference

Instance structure for the Floating-point MFCC function.

Data Fields
const float32_t *	dctCoefs
const float32_t *	filterCoefs
const float32_t *	windowCoefs
const uint32_t *	filterPos
const uint32_t *	filterLengths
uint32_t	fftLen
uint32_t	nbMelFilters
uint32_t	nbDctOutputs
arm_rfft_fast_instance_f32	rfft

Field Documentation

dctCoefs

const float32_t* dctCoefs

Internal DCT coefficients

fftLen

uint32_t fftLen

FFT length

filterCoefs

const float32_t* filterCoefs

Internal Mel filter coefficients

filterLengths

const uint32_t* filterLengths

Internal Mel filter lengths

filterPos

const uint32_t* filterPos

Internal Mel filter positions in spectrum

nbDctOutputs

uint32_t nbDctOutputs

Number of DCT outputs

nbMelFilters

uint32_t nbMelFilters

Number of Mel filters

rfft

arm_rfft_fast_instance_f32 rfft

windowCoefs

const float32_t* windowCoefs

Windowing coefficients