mel-computations.h File Reference
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <complex>
#include <utility>
#include <vector>
#include "base/kaldi-common.h"
#include "util/common-utils.h"
#include "matrix/matrix-lib.h"
Include dependency graph for mel-computations.h:
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.


struct  MelBanksOptions
class  MelBanks


 This code computes Goodness of Pronunciation (GOP) and extracts phone-level pronunciation feature for mispronunciations detection tasks, the reference:


void ComputeLifterCoeffs (BaseFloat Q, VectorBase< BaseFloat > *coeffs)
BaseFloat Durbin (int n, const BaseFloat *pAC, BaseFloat *pLP, BaseFloat *pTmp)
BaseFloat ComputeLpc (const VectorBase< BaseFloat > &autocorr_in, Vector< BaseFloat > *lpc_out)
void Lpc2Cepstrum (int n, const BaseFloat *pLPC, BaseFloat *pCepst)
void GetEqualLoudnessVector (const MelBanks &mel_banks, Vector< BaseFloat > *ans)