ref: 0eebc77cdae418c8daa5f4a81af8ee438ae454b7
dir: /src/cg/cst_spamf0.c/
/*************************************************************************/
/* */
/* Language Technologies Institute */
/* Carnegie Mellon University */
/* Copyright (c) 2011 */
/* 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 */
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/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Authors: Gopala Anumanchipalli (gopalakr@cs.cmu.edu) */
/* Date: November 2011 */
/*************************************************************************/
#include "cst_cg.h"
#include "cst_hrg.h"
#include "cst_utt_utils.h"
#include "cst_spamf0.h"
#include "cst_math.h"
static void cst_synthtilt(const cst_cg_db *cg_db,
const float start, const float peak, const float tiltamp,
const float tiltdur, const float tilttilt,
cst_track *ftrack);
cst_utterance *cst_spamf0(cst_utterance *utt)
{
cst_track *spamf0_track=NULL;
cst_track *param_track=NULL;
cst_item *s;
cst_cg_db *cg_db;
const cst_cart *acc_tree, *phrase_tree;
float end,f0val, syldur;
int num_frames,f,i;
cg_db = val_cg_db(utt_feat_val(utt,"cg_db"));
spamf0_track=new_track();
cst_track_resize(spamf0_track,
(utt_feat_int(utt,"param_track_num_frames")),
1);
acc_tree = cg_db->spamf0_accent_tree;
phrase_tree = cg_db->spamf0_phrase_tree;
end = 0.0;
num_frames = 0;
for (s = utt_rel_head(utt,"Segment"); s; s=item_next(s))
{
end = ffeature_float(s,"end");
if(cst_streq("pau",ffeature_string(s,"name")))
{
f0val=0;
}
else
{
f0val=val_float(cart_interpret(s,phrase_tree));
}
for ( ; ((num_frames * cg_db->frame_advance) <= end) && (num_frames < utt_feat_int(utt,"param_track_num_frames")); num_frames++)
{
spamf0_track->frames[num_frames][0]=f0val;
}
}
for (s=utt_rel_head(utt,"Syllable"); s; s=item_next(s))
{
f = val_int(cart_interpret(s,acc_tree));
syldur = ffeature_float(s,"R:SylStructure.daughtern.R:Segment.end")
- ffeature_float(s,"R:SylStructure.daughter1.R:Segment.p.end");
cst_synthtilt(cg_db,
ffeature_float(s,"R:SylStructure.daughter1.R:Segment.p.end"),
cg_db->spamf0_accent_vectors[f][0],
cg_db->spamf0_accent_vectors[f][2],
syldur,
cg_db->spamf0_accent_vectors[f][6],
spamf0_track);
}
param_track = val_track(utt_feat_val(utt,"param_track"));
for (i=0;i<utt_feat_int(utt,"param_track_num_frames");i++)
{
param_track->frames[i][0]=spamf0_track->frames[i][0];
}
delete_track(spamf0_track);
return utt;
}
void cst_synthtilt(const cst_cg_db *cg_db,
const float start, const float peak, const float tiltamp,
const float tiltdur, const float tilttilt,
cst_track *ftrack)
{
float arise,afall,drise,dfall,i;
int num_frames;
arise= tiltamp*(1+tilttilt)/2;
afall= tiltamp*(1-tilttilt)/2;
drise= tiltdur*(1+tilttilt)/2;
dfall= tiltdur*(1-tilttilt)/2;
num_frames=(int)ceil((double)(start/cg_db->frame_advance));
/* Synthesizing the rise event */
for (i=cg_db->frame_advance;((num_frames * cg_db->frame_advance)<(start+(drise/2))) ; num_frames++,i+=cg_db->frame_advance)
{
ftrack->frames[num_frames][0]+= peak - arise + (2 * arise * (i/drise) * (i/drise));
ftrack->frames[num_frames][0]=exp(ftrack->frames[num_frames][0]);
}
for (;((num_frames * cg_db->frame_advance)<(start+drise)) ; num_frames++,i+=cg_db->frame_advance)
{
ftrack->frames[num_frames][0]+= peak - 2 * arise * (1- (i/drise)) * (1- (i/drise));
ftrack->frames[num_frames][0]=exp(ftrack->frames[num_frames][0]);
}
/* Synthesizing the fall event */
for (i=cg_db->frame_advance;((num_frames * cg_db->frame_advance)<(start+drise+(dfall/2))) ; num_frames++,i+=cg_db->frame_advance)
{
ftrack->frames[num_frames][0]+= peak + afall - (2 * afall * (i/dfall) * (i/dfall)) - afall;
ftrack->frames[num_frames][0]=exp(ftrack->frames[num_frames][0]);
}
for (;((num_frames * cg_db->frame_advance)<(start+drise+dfall)) ; num_frames++,i+=cg_db->frame_advance)
{
ftrack->frames[num_frames][0]+= peak + (2 * afall * (1- (i/dfall)) * (1- (i/dfall))) - afall;
ftrack->frames[num_frames][0]=exp(ftrack->frames[num_frames][0]);
}
return ;
}