CMSIS-DSP  
CMSIS DSP Software Library
arm_mfcc_instance_q31 Struct Reference

Data Fields

const q31_tdctCoefs
 
const q31_tfilterCoefs
 
const q31_twindowCoefs
 
const uint32_t * filterPos
 
const uint32_t * filterLengths
 
uint32_t fftLen
 
uint32_t nbMelFilters
 
uint32_t nbDctOutputs
 
arm_rfft_instance_q31 rfft
 

Field Documentation

◆ dctCoefs

const q31_t* dctCoefs

Internal DCT coefficients

◆ fftLen

uint32_t fftLen

FFT length

◆ filterCoefs

const q31_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

◆ windowCoefs

const q31_t* windowCoefs

Windowing coefficients