NMSIS-DSP  Version 1.2.0
NMSIS DSP Software Library
Data Fields
riscv_mfcc_instance_f32 Struct Reference

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

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
 
riscv_rfft_fast_instance_f32 rfft
 

Detailed Description

Instance structure for the Floating-point MFCC function.

Field Documentation

◆ dctCoefs

const float32_t* riscv_mfcc_instance_f32::dctCoefs

Internal DCT coefficients

◆ fftLen

uint32_t riscv_mfcc_instance_f32::fftLen

FFT length

◆ filterCoefs

const float32_t* riscv_mfcc_instance_f32::filterCoefs

Internal Mel filter coefficients

◆ filterLengths

const uint32_t* riscv_mfcc_instance_f32::filterLengths

Internal Mel filter lengths

◆ filterPos

const uint32_t* riscv_mfcc_instance_f32::filterPos

Internal Mel filter positions in spectrum

◆ nbDctOutputs

uint32_t riscv_mfcc_instance_f32::nbDctOutputs

Number of DCT outputs

◆ nbMelFilters

uint32_t riscv_mfcc_instance_f32::nbMelFilters

Number of Mel filters

◆ rfft

riscv_rfft_fast_instance_f32 riscv_mfcc_instance_f32::rfft

◆ windowCoefs

const float32_t* riscv_mfcc_instance_f32::windowCoefs

Windowing coefficients