CMSIS-DSP  
CMSIS DSP Software Library
 
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arm_mfcc_instance_f32 Struct Reference

Instance structure for the Floating-point MFCC function. More...

Data Fields

const float32_tdctCoefs
 
const float32_tfilterCoefs
 
const float32_twindowCoefs
 
const uint32_t * filterPos
 
const uint32_t * filterLengths
 
uint32_t fftLen
 
uint32_t nbMelFilters
 
uint32_t nbDctOutputs
 

Description

Instance structure for the Floating-point MFCC function.

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

◆ windowCoefs

const float32_t* windowCoefs

Windowing coefficients