NMSIS-DSP  Version 1.3.1
NMSIS DSP Software Library
riscv_mfcc_instance_q15 Struct Reference

Instance structure for the Q15 MFCC function. More...

Data Fields

const q15_tdctCoefs
 
const q15_tfilterCoefs
 
const q15_twindowCoefs
 
const uint32_t * filterPos
 
const uint32_t * filterLengths
 
uint32_t fftLen
 
uint32_t nbMelFilters
 
uint32_t nbDctOutputs
 
riscv_rfft_instance_q15 rfft
 

Detailed Description

Instance structure for the Q15 MFCC function.

Field Documentation

◆ dctCoefs

const q15_t* riscv_mfcc_instance_q15::dctCoefs

Internal DCT coefficients

◆ fftLen

uint32_t riscv_mfcc_instance_q15::fftLen

FFT length

◆ filterCoefs

const q15_t* riscv_mfcc_instance_q15::filterCoefs

Internal Mel filter coefficients

◆ filterLengths

const uint32_t* riscv_mfcc_instance_q15::filterLengths

Internal Mel filter lengths

◆ filterPos

const uint32_t* riscv_mfcc_instance_q15::filterPos

Internal Mel filter positions in spectrum

◆ nbDctOutputs

uint32_t riscv_mfcc_instance_q15::nbDctOutputs

Number of DCT outputs

◆ nbMelFilters

uint32_t riscv_mfcc_instance_q15::nbMelFilters

Number of Mel filters

◆ rfft

riscv_rfft_instance_q15 riscv_mfcc_instance_q15::rfft

◆ windowCoefs

const q15_t* riscv_mfcc_instance_q15::windowCoefs

Windowing coefficients