ref: 397265f5791291defa76487c2388e1898e2e433c
dir: /src/cg/cst_mlsa.h/
/*********************************************************************/
/* */
/* Nagoya Institute of Technology, Aichi, Japan, */
/* Nara Institute of Science and Technology, Nara, Japan */
/* and */
/* Carnegie Mellon University, Pittsburgh, PA */
/* Copyright (c) 2003-2004 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and */
/* distribute this software and its documentation without */
/* restriction, including without limitation the rights to use, */
/* copy, modify, merge, publish, distribute, sublicense, and/or */
/* sell copies of this work, and to permit persons to whom this */
/* work is furnished to do so, subject to the following conditions: */
/* */
/* 1. The code must retain the above copyright notice, this list */
/* of conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* */
/* NAGOYA INSTITUTE OF TECHNOLOGY, NARA INSTITUTE OF SCIENCE AND */
/* TECHNOLOGY, CARNEGIE MELLON UNIVERSITY, AND THE CONTRIBUTORS TO */
/* THIS WORK DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, */
/* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, */
/* IN NO EVENT SHALL NAGOYA INSTITUTE OF TECHNOLOGY, NARA */
/* INSTITUTE OF SCIENCE AND TECHNOLOGY, CARNEGIE MELLON UNIVERSITY, */
/* NOR THE CONTRIBUTORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR */
/* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM */
/* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, */
/* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN */
/* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
/* */
/*********************************************************************/
/* */
/* Author : Tomoki Toda (tomoki@ics.nitech.ac.jp) */
/* Date : June 2004 */
/* */
/* Modified by Alan W Black (awb@cs.cmu.edu) Jan 2006 */
/* taken from festvox/src/vc/ back into Festival */
/* Modified by Alan W Black (awb@cs.cmu.edu) Nov 2007 */
/* taken from Festival into Flite */
/*-------------------------------------------------------------------*/
/* */
/* Subroutine for Speech Synthesis */
/* */
/*-------------------------------------------------------------------*/
#ifndef __CST_MLSA_H
#define __CST_MLSA_H
#include "cst_audio.h"
#include "cst_wave.h"
/* static void waveampcheck(DVECTOR wav, XBOOL msg_flag); */
#define RANDMAX 32767
#define B0 0x00000001
#define B28 0x10000000
#define B31 0x80000000
#define B31_ 0x7fffffff
#define Z 0x00000000
typedef struct _VocoderSetup {
int fprd;
int iprd;
int seed;
int pd;
unsigned long next;
Boolean gauss;
double p1;
double pc;
double pj;
double pade[21];
double *ppade;
double *c, *cc, *cinc, *d1;
double rate;
int sw;
double r1, r2, s;
int x;
/* for postfiltering */
int size;
double *d;
double *g;
double *mc;
double *cep;
double *ir;
int o;
int irleng;
/* for MIXED EXCITATION */
int ME_order;
int ME_num;
double *hpulse;
double *hnoise;
double *xpulsesig;
double *xnoisesig;
const double * const *h;
} VocoderSetup;
static void init_vocoder(double fs, int framel, int m,
VocoderSetup *vs, cst_cg_db *cg_db);
static void vocoder(double p, double *mc,
const float *str,
int m, cst_cg_db *cg_db,
VocoderSetup *vs, cst_wave *wav, long *pos);
static double mlsadf(double x, double *b, int m, double a, int pd, double *d,
VocoderSetup *vs);
static double mlsadf1(double x, double *b, int m, double a, int pd, double *d,
VocoderSetup *vs);
static double mlsadf2(double x, double *b, int m, double a, int pd, double *d,
VocoderSetup *vs);
static double mlsafir (double x, double *b, int m, double a, double *d);
static double nrandom (VocoderSetup *vs);
static double rnd (unsigned long *next);
static unsigned long srnd (unsigned long seed);
static void mc2b (double *mc, double *b, int m, double a);
static double b2en (double *b, int m, double a, VocoderSetup *vs);
static void b2mc (double *b, double *mc, int m, double a);
static void freqt (double *c1, int m1, double *c2, int m2, double a,
VocoderSetup *vs);
static void c2ir (double *c, int nc, double *h, int leng);
static void free_vocoder(VocoderSetup *vs);
#endif /* __CST_MLSA_H */