130 lines
5.6 KiB
C
130 lines
5.6 KiB
C
/*************************************************************************/
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/* */
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/* Language Technologies Institute */
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/* Carnegie Mellon University */
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/* Copyright (c) 2007 */
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/* All Rights Reserved. */
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/* */
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/* Permission is hereby granted, free of charge, to use and distribute */
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/* this software and its documentation without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of this work, and to */
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/* permit persons to whom this work is furnished to do so, subject to */
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/* the following conditions: */
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/* 1. The code must retain the above copyright notice, this list of */
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/* conditions and the following disclaimer. */
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/* 2. Any modifications must be clearly marked as such. */
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/* 3. Original authors' names are not deleted. */
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/* 4. The authors' names are not used to endorse or promote products */
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/* derived from this software without specific prior written */
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/* permission. */
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/* */
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/* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */
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/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
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/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
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/* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE */
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/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
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/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
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/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
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/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
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/* THIS SOFTWARE. */
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/* */
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/*************************************************************************/
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/* Author: Alan W Black (awb@cs.cmu.edu) */
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/* Date: November 2007 */
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/*************************************************************************/
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/* */
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/* clustergen db */
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/* */
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/* A statistical corpus based synthesizer. */
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/* See Black, A. (2006), CLUSTERGEN: A Statistical Parametric */
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/* Synthesizer using Trajectory Modeling", Interspeech 2006 - ICSLP, */
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/* Pittsburgh, PA. */
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/* http://www.cs.cmu.edu/~awb/papers/is2006/IS061394.PDF */
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/* */
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/*************************************************************************/
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#ifndef _CST_CG_H__
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#define _CST_CG_H__
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#include "cst_cart.h"
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#include "cst_track.h"
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#include "cst_wave.h"
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#include "cst_audio.h"
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#include "cst_synth.h" /* for dur_stat */
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typedef struct cst_cg_db_struct {
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const char *name;
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const char * const *types;
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int num_types;
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const int sample_rate;
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float f0_mean, f0_stddev;
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/* Cluster trees */
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const cst_cart * const *f0_trees;
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const cst_cart * const *param_trees0; /* single or static */
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const cst_cart * const *param_trees1; /* deltas */
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const cst_cart * const *param_trees2; /* me str */
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/* Model params e.g. mceps, deltas intersliced with stddevs */
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const int num_channels0;
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const int num_frames0;
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const unsigned short * const * model_vectors0;
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const int num_channels1;
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const int num_frames1;
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const unsigned short * const * model_vectors1;
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const int num_channels2;
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const int num_frames2;
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const unsigned short * const * model_vectors2;
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/* Currently shared between different models */
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const float *model_min; /* for vector coeffs encoding */
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const float *model_range; /* for vector coeffs encoding */
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const float frame_advance;
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/* duration model (cart + phonedurs) */
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const dur_stat * const *dur_stats;
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const cst_cart *dur_cart;
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/* phone to states map */
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const char * const * const *phone_states;
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/* Other parameters */
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const int do_mlpg; /* implies deltas are in the model_vectors */
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const float *dynwin;
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const int dynwinsize;
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const float mlsa_alpha;
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const float mlsa_beta;
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const int multimodel;
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const int mixed_excitation;
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/* filters for Mixed Excitation */
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const int ME_num;
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const int ME_order;
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const double * const *me_h;
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const float gain;
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} cst_cg_db;
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/* Access model parameters, unpacking them as required */
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#define CG_MODEL_VECTOR(M,N,X,Y) \
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(M->model_min[Y]+((float)(M->N[X][Y])/65535.0*M->model_range[Y]))
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CST_VAL_USER_TYPE_DCLS(cg_db,cst_cg_db)
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cst_utterance *cg_synth(cst_utterance *utt);
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cst_wave *mlsa_resynthesis(const cst_track *t,
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const cst_track *str,
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cst_cg_db *cg_db,
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cst_audio_streaming_info *asc);
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cst_track *mlpg(const cst_track *param_track, cst_cg_db *cg_db);
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#endif
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