NMSIS-DSP  Version 1.3.1
NMSIS DSP Software Library
Data Fields
riscv_mfcc_instance_q31 Struct Reference

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

Data Fields

const q31_t * dctCoefs
 
const q31_t * filterCoefs
 
const q31_t * windowCoefs
 
const uint32_t * filterPos
 
const uint32_t * filterLengths
 
uint32_t fftLen
 
uint32_t nbMelFilters
 
uint32_t nbDctOutputs
 
riscv_rfft_instance_q31 rfft
 

Detailed Description

Instance structure for the Q31 MFCC function.

Field Documentation

◆ dctCoefs

const q31_t* riscv_mfcc_instance_q31::dctCoefs

Internal DCT coefficients

◆ fftLen

uint32_t riscv_mfcc_instance_q31::fftLen

FFT length

◆ filterCoefs

const q31_t* riscv_mfcc_instance_q31::filterCoefs

Internal Mel filter coefficients

◆ filterLengths

const uint32_t* riscv_mfcc_instance_q31::filterLengths

Internal Mel filter lengths

◆ filterPos

const uint32_t* riscv_mfcc_instance_q31::filterPos

Internal Mel filter positions in spectrum

◆ nbDctOutputs

uint32_t riscv_mfcc_instance_q31::nbDctOutputs

Number of DCT outputs

◆ nbMelFilters

uint32_t riscv_mfcc_instance_q31::nbMelFilters

Number of Mel filters

◆ rfft

riscv_rfft_instance_q31 riscv_mfcc_instance_q31::rfft

◆ windowCoefs

const q31_t* riscv_mfcc_instance_q31::windowCoefs

Windowing coefficients