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"

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Classes
struct	MelBanksOptions
class	MelBanks

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

Functions
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)