fe_pitch.h

这是一个语音特征提取的程序源码

///////////////////////////////////////////////////////////////////////////////
// This is a part of the Feature program.
// Version: 1.0
// Date: February 22, 2003
// Programmer: Oh-Wook Kwon
// Copyright(c) 2003 Oh-Wook Kwon. All rights reserved. [e-mail]
///////////////////////////////////////////////////////////////////////////////

#ifndef _FE_PITCH_H_
#define _FE_PITCH_H_


/**************************************************************
 * 	for pitch
 **************************************************************/

#define MAX_PITCH_FREQ              500 /* 500Hz (20 ms) angry speech may have very high pitch */
#define MIN_PITCH_FREQ               50 /* 50Hz (200 ms) */
#define MAX_PITCH_CHANGE           0.15 /* for smooth pitch contour (for 10 ms) */
#define MAX_PITCH_CHANGE_POSTPROC  0.10 /* for spike removal (for 10 ms) */
#define PITCH_BUF_SIZE                7 /* use 7 frame buffer */

#define F0_SHARP_TH_1               1.0
#define F0_SHARP_TH_2               0.6
#define F0_DOUBLE_TH                0.2 // org 0.2
#define F0_HALVE_TH                 0.5 // org 0.5
#define F0_NO_DOUBLE_TH             1.2
#define F0_NO_HALVE_TH              1.5
#define F0_DOUBLE_FREQ_TH           250
#define F0_HALVE_FREQ_TH             80
#define lambdaPitchTrack           0.90


#endif