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/* */
/* Language Technologies Institute */
/* Carnegie Mellon University */
/* Copyright (c) 2007 */
/* 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. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* 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 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: Alan W Black (awb@cs.cmu.edu) */
/* Date: November 2007 */
/*************************************************************************/
/* */
/* clustergen db */
/* */
/* A statistical corpus based synthesizer. */
/* See Black, A. (2006), CLUSTERGEN: A Statistical Parametric */
/* Synthesizer using Trajectory Modeling", Interspeech 2006 - ICSLP, */
/* Pittsburgh, PA. */
/* http://www.cs.cmu.edu/~awb/papers/is2006/IS061394.PDF */
/* */
/*************************************************************************/
#ifndef _CST_CG_H__
#define _CST_CG_H__
#include "cst_cart.h"
#include "cst_track.h"
#include "cst_wave.h"
#include "cst_audio.h"
#include "cst_synth.h" /* for dur_stat */
typedef struct cst_cg_db_struct {
const char *name;
const char * const *types;
int num_types;
const int sample_rate;
float f0_mean, f0_stddev;
/* Cluster trees */
const cst_cart * const *f0_trees;
const cst_cart * const *param_trees0; /* single or static */
const cst_cart * const *param_trees1; /* deltas */
const cst_cart * const *param_trees2; /* me str */
/* Model params e.g. mceps, deltas intersliced with stddevs */
const int num_channels0;
const int num_frames0;
const unsigned short * const * model_vectors0;
const int num_channels1;
const int num_frames1;
const unsigned short * const * model_vectors1;
const int num_channels2;
const int num_frames2;
const unsigned short * const * model_vectors2;
/* Currently shared between different models */
const float *model_min; /* for vector coeffs encoding */
const float *model_range; /* for vector coeffs encoding */
const float frame_advance;
/* duration model (cart + phonedurs) */
const dur_stat * const *dur_stats;
const cst_cart *dur_cart;
/* phone to states map */
const char * const * const *phone_states;
/* Other parameters */
const int do_mlpg; /* implies deltas are in the model_vectors */
const float *dynwin;
const int dynwinsize;
const float mlsa_alpha;
const float mlsa_beta;
const int multimodel;
const int mixed_excitation;
/* filters for Mixed Excitation */
const int ME_num;
const int ME_order;
const double * const *me_h;
const float gain;
} cst_cg_db;
/* Access model parameters, unpacking them as required */
#define CG_MODEL_VECTOR(M,N,X,Y) \
(M->model_min[Y]+((float)(M->N[X][Y])/65535.0*M->model_range[Y]))
CST_VAL_USER_TYPE_DCLS(cg_db,cst_cg_db)
cst_utterance *cg_synth(cst_utterance *utt);
cst_wave *mlsa_resynthesis(const cst_track *t,
const cst_track *str,
cst_cg_db *cg_db,
cst_audio_streaming_info *asc);
cst_track *mlpg(const cst_track *param_track, cst_cg_db *cg_db);
#endif
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