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Module transform

Module transform 

Source

Structs§

CfftI16
Input and Output formats for CFFT Q15
CfftI32
Input and Output formats for CFFT Q31
MfccI16
MfccI32
RfftI16
Real-valued Fast Fourier Transform (RFFT) and its inverse (RIFFT) implementations for 16-bit fixed-point data.
RfftI32
Real-valued Fast Fourier Transform (RFFT) and its inverse (RIFFT) implementations for 32-bit fixed-point data. Input and Output formats for RFFT Q31

Functions§

bitreversal_i16
bitreversal_i32
radix4_butterfly_i16
Performs radix-4 DIF butterfly computation for Q15 fixed-point FFT.
radix4_butterfly_i32
Performs radix-4 DIF butterfly computation for Q31 fixed-point FFT.
radix4_butterfly_inverse_i16
Performs radix-4 DIF butterfly computation for inverse Q15 fixed-point FFT.
radix4_butterfly_inverse_i32
Performs radix-4 DIF butterfly computation for inverse Q31 fixed-point FFT.