Example #1
0
cst_utterance *f0_targets_to_pm(cst_utterance *utt)
{
    cst_item *t;
    float pos,lpos,f0,lf0,m;
    double time;
    int pm;
    cst_sts_list *sts_list;
    cst_lpcres *target_lpcres;

    sts_list = val_sts_list(utt_feat_val(utt,"sts_list"));
    lpos = 0;
    lf0 = 120; /* hmm */
    pm = 0;
    time = 0;
    /* First pass to count how many pms will be required */
    for (t=relation_head(utt_relation(utt,"Target"));
	 t;
	 t=item_next(t), lf0 = f0, lpos = pos) /* changed by dhopkins */
    {
	pos = item_feat_float(t,"pos");
	f0 = item_feat_float(t,"f0");
	if (time == pos) continue;
	m = (f0-lf0)/(pos-lpos);
	for ( ; time < pos; pm++)
	{
	    time += 1/(lf0 + ((time-lpos)*m));
	}
    }
    target_lpcres = new_lpcres();
    lpcres_resize_frames(target_lpcres,pm);

    lpos = 0;
    lf0 = 120;
    pm = 0;
    time = 0;
    /* Second pass puts the values in */
    for (t=relation_head(utt_relation(utt,"Target"));
	 t;
	 t=item_next(t), lf0 = f0, lpos = pos) /* changed by dhopkins */
    {
	pos = item_feat_float(t,"pos");
	f0 = item_feat_float(t,"f0");
	if (time == pos) continue;
	m = (f0-lf0)/(pos-lpos);
	for ( ; time < pos; pm++)
	{
	    time += 1/(lf0 + ((time-lpos)*m));
	    target_lpcres->times[pm] = sts_list->sample_rate * time;
	}
    }
    utt_set_feat(utt,"target_lpcres",lpcres_val(target_lpcres));
    return utt;
}
Example #2
0
static const cst_val *segment_duration(const cst_item *seg)
{
    const cst_item *s = item_as(seg,"Segment");

    if (!s)
	return VAL_STRING_0;
    else if (item_prev(s) == NULL)
	return item_feat(s,"end");
    else
	/* It should be okay to construct this as it will get
           dereferenced when the CART interpreter frees its feature
           cache. */
	return float_val(item_feat_float(s,"end")
			 - item_feat_float(item_prev(s),"end"));
}
Example #3
0
/* Dummy F0 modelling for phones, copied directly from us_f0_model.c */
cst_utterance *flat_prosody(cst_utterance *u)
{
    /* F0 target model */
    cst_item *s,*t;
    cst_relation *targ_rel;
    float mean, stddev;

    targ_rel = utt_relation_create(u,"Target");
    mean = get_param_float(u->features,"target_f0_mean", 100.0);
    mean *= get_param_float(u->features,"f0_shift", 1.0);
    stddev = get_param_float(u->features,"target_f0_stddev", 12.0);

    s=relation_head(utt_relation(u,"Segment"));
    t = relation_append(targ_rel,NULL);
    item_set_float(t,"pos",0.0);
    item_set_float(t,"f0",mean+stddev);

    s=relation_tail(utt_relation(u,"Segment"));
    t = relation_append(targ_rel,NULL);

    item_set_float(t,"pos",item_feat_float(s,"end"));
    item_set_float(t,"f0",mean-stddev);

    return u;
}
Example #4
0
int relation_save(cst_relation *r, const char *filename)
{
    cst_file fd;
    cst_item *item;

    if (cst_streq(filename, "-"))
        fd = stdout;
    else

    if ((fd = cst_fopen(filename, CST_OPEN_WRITE)) == 0)
    {
        cst_errmsg("relation_save: can't open file \"%s\" for writing\n",
                   filename);
        return CST_ERROR_FORMAT;
    }

    for (item = relation_head(r); item; item = item_next(item))
    {
        if (item_feat_present(item, "end"))
            cst_fprintf(fd, "%f ", item_feat_float(item, "end"));
        else
            cst_fprintf(fd, "%f ", 0.00);
        if (item_feat_present(item, "name"))
            cst_fprintf(fd, "%s ", item_feat_string(item, "name"));
        else
            cst_fprintf(fd, "%s ", "_");
        cst_fprintf(fd, "\n");
    }
    if (fd != stdout)
        cst_fclose(fd);

    return CST_OK_FORMAT;
}
Example #5
0
void test_hrg(void)
{
    cst_utterance *u;
    cst_relation *r;
    cst_item *item = 0;
    int i;

    u = new_utterance();
    r = utt_relation_create(u, "Segment");

    for (i = 0; i < 10; i++)
    {
        char buff[20];
        sprintf(buff, "seg_%03d", i);
        if (i == 0)
            item = relation_append(r, NULL);
        else
            item = item_append(item, NULL);
        item_set_string(item, "name", buff);
        item_set_float(item, "duration", i * 0.20);
    }

    for (i = 0, item = relation_head(utt_relation(u, "Segment"));
         item; item = item_next(item), i++)
    {
        TEST_CHECK(item_feat_float(item, "duration") == correct_list[i]);
    }

    delete_utterance(u);
}
Example #6
0
int main(int argc, char **argv)
{
    cst_utterance *u;
    cst_relation *r;
    cst_item *item=0;
    int i;

    u = new_utterance();
    r = utt_relation_create(u,"Segment");

    for (i=0; i<10; i++)
    {
	char buff[20];
	sprintf(buff,"seg_%03d",i);
	if (i==0)
	    item = relation_append(r,NULL);
	else
	    item = item_append(item,NULL);
	item_set_string(item,"name",buff);
	item_set_float(item,"duration",i*0.20);
    }

    for (i=0,item=relation_head(utt_relation(u,"Segment")); 
	 item; item=item_next(item),i++)
    {
	printf("Segment %d %s %f\n",
	       i,
	       item_feat_string(item,"name"),
	       item_feat_float(item,"duration"));
    }

    delete_utterance(u);

    return 0;
}
Example #7
0
static int voiced_frame(cst_item *m)
{
    const char *ph_vc;
    const char *ph_name;

    ph_vc = ffeature_string(m,"R:mcep_link.parent.R:segstate.parent.ph_vc");
    ph_name = ffeature_string(m,"R:mcep_link.parent.R:segstate.parent.name");

    if (cst_streq(ph_name,"pau"))
        return 0; /* unvoiced */
    else if (cst_streq("+",ph_vc))
        return 1; /* voiced */
    else if (item_feat_float(m,"voicing") > 0.5)
        /* Even though the range is 0-10, I *do* mean 0.5 */
        return 1; /* voiced */
    else
        return 0; /* unvoiced */
}
Example #8
0
    string getPhonemes( const char* sText )
    {
        string sRet;

        cst_features* args = new_features();
        cst_voice* v;
        cst_utterance* u;
        cst_item* s;
        const char* name;
        //const cst_val* d;

        flite_init();
        v = register_cmu_us_no_wave( NULL );

        u = flite_synth_text( sText, v );

        for ( s = relation_head( utt_relation( u, "Segment" ) ); s; s = item_next( s ) )
        {
            sRet += item_feat_string( s, "name" );
            float test = item_feat_float( s, "end" );
            //d = segment_duration( s );

            /* If its a vowel and is stressed output stress value */
            if ( ( cst_streq( "+", ffeature_string( s, "ph_vc" ) ) ) &&
                    ( cst_streq( "1", ffeature_string( s, "R:SylStructure.parent.stress" ) ) ) )
            {
                sRet += "1";
            }

            sRet += " ";
        }

        delete_utterance( u );
        delete_features( args );

        return sRet;
    }
Example #9
0
    float flite_text_to_speech_phenome( const char* text,
                                        cst_voice* voice,
                                        const char* outtype,
                                        void* pStream )
    {
        cst_utterance* u;

        float dur;
        float end_last = 0;
        float end_current = 0;
        float dur_current = 0;
        float dur_sum = 0;

        //feat_set_float( voice->features, "duration_stretch", 1 );

        u = flite_synth_text( text, voice );


        cst_item* s;
        string sRet;

        int nPhoneme = 0;

        for ( s = relation_head( utt_relation( u, "Segment" ) ); s; s = item_next( s ) )
        {
            SPhenomeTiming ps;

            string sPhoneme = item_feat_string( s, "name" );
            sRet += sPhoneme;

            end_current = item_feat_float( s, "end" );
            dur_current = end_current - end_last;

            //if ( !( nPhoneme == 0 && sPhoneme == "pau" ) )
            //{
            dur_sum += dur_current;
            //}

            ps.fWeight = 1;

            /* If its a vowel and is stressed output stress value */
            if ( ( cst_streq( "+", ffeature_string( s, "ph_vc" ) ) ) &&
                    ( cst_streq( "1", ffeature_string( s, "R:SylStructure.parent.stress" ) ) ) )
            {
                sRet += "1";
                ps.fWeight = 1.3;
            }

            sRet += " ";

            if ( pStream )
            {
                // fade into each other
                ps.sName = sPhoneme;
                ps.fStart = end_current - dur_current;
                ps.fEnd = end_current;
                ps.fDuration = dur_current;

                ( ( CryMT::queue<SPhenomeTiming>* )pStream )->push( ps );
            }

            end_last = end_current;
            ++nPhoneme;
        }

        dur = flite_process_output( u, outtype, FALSE );
        delete_utterance( u );

        return dur;
    }
Example #10
0
int main(int argc, char *argv[])
{
   char *s,*fn;
   cst_voice *voice;     // synthesis voice
   cst_utterance *utt;   // current utterance
   cst_wave *cstwave;       // synthesised wave
   Wave w;  // HTK wave
   short *p;
   HTime sampPeriod = 625.0;
   int n;
   MemHeap mem;
   AudioOut a;

   try {
      if (InitHTK(argc,argv,version)<SUCCESS){
         ReportErrors("Main",0); exit(-1);
      }
      if (NumArgs() !=2) {
         printf("SFliteTest synthstring file\n"); exit(0);
      }
      CreateHeap(&mem,"heap",MSTAK,1,0.0,10000,100000);
      s = GetStrArg();
      fn = GetStrArg();
      printf("Synth: %s -> %s\n",s,fn);
      // initialise Edinburgh cst lib
      cst_regex_init();
      // setup the voice
      voice = register_cmu_us_kal16(NULL);
      // convert text to waveform
      utt = flite_synth_text(s,voice);
      if (utt==NULL) {
         HRError(12001,"SFliteTest: cant synthesise %s\n",s);
         throw ATK_Error(12001);
      }
      cstwave = utt_wave(utt);
      p = cstwave->samples; n = cstwave->num_samples;
      w = OpenWaveOutput(&mem,&sampPeriod,n);
      printf("%d samples created\n",n);
      PutWaveSample(w,n,p);
      if (CloseWaveOutput(w,WAV,fn)<SUCCESS){
         ReportErrors("Main",0); exit(-1);
      }
      // explore structure
      const cst_item *it, *itlast = NULL;
      float x,y;
      int i;
      string lastword="0"; x = 0;
      for (i=1,it = relation_head(utt_relation(utt, "Segment")); it!=NULL; it = item_next(it),i++)
      {
         printf("Segment %d\n",i);
         y = item_feat_float(it,"end");
         string ph = string(ffeature_string(it,"p.name"));
         string wd = string(ffeature_string(it,"R:SylStructure.parent.parent.name"));
         //printf("end = %f ph=%s wd=%s\n",y,ph.c_str(),wd.c_str());
         if (wd != lastword){
            printf("**** end of %s = %f\n",lastword.c_str(),x);
            lastword=wd;
         }
         x = y;
      }
      //if (itlast!=NULL) {
      //   word = string(ffeature_string(itlast,"R:SylStructure.parent.parent.name"));
      //   idx = text.find(word);
      //}


      return 0;
   }



   catch (ATK_Error e){ ReportErrors("ATK",e.i); }
   catch (HTK_Error e){ ReportErrors("HTK",e.i); }
   return 0;
}