FormantGrid Formant_downto_FormantGrid (Formant me) {
FormantGrid thee = FormantGrid_createEmpty (my xmin, my xmax, my maxnFormants); cherror
for (long iframe = 1; iframe <= my nx; iframe ++) {
Formant_Frame frame = & my frame [iframe];
double t = Sampled_indexToX (me, iframe);
for (long iformant = 1; iformant <= frame -> nFormants; iformant ++) {
Formant_Formant pair = & frame -> formant [iformant];
FormantGrid_addFormantPoint (thee, iformant, t, pair -> frequency); cherror
FormantGrid_addBandwidthPoint (thee, iformant, t, pair -> bandwidth); cherror
}
}
end:
iferror forget (thee);
return thee;
}
FormantGrid FormantGrid_create (double tmin, double tmax, long numberOfFormants,
double initialFirstFormant, double initialFormantSpacing,
double initialFirstBandwidth, double initialBandwidthSpacing)
{
FormantGrid me = FormantGrid_createEmpty (tmin, tmax, numberOfFormants); cherror
for (long iformant = 1; iformant <= numberOfFormants; iformant ++) {
FormantGrid_addFormantPoint (me, iformant, 0.5 * (tmin + tmax),
initialFirstFormant + (iformant - 1) * initialFormantSpacing); cherror
FormantGrid_addBandwidthPoint (me, iformant, 0.5 * (tmin + tmax),
initialFirstBandwidth + (iformant - 1) * initialBandwidthSpacing); cherror
}
end:
iferror forget (me);
return me;
}
FormantGrid Formant_downto_FormantGrid (Formant me) {
try {
autoFormantGrid thee = FormantGrid_createEmpty (my xmin, my xmax, my maxnFormants);
for (long iframe = 1; iframe <= my nx; iframe ++) {
Formant_Frame frame = & my d_frames [iframe];
double t = Sampled_indexToX (me, iframe);
for (long iformant = 1; iformant <= frame -> nFormants; iformant ++) {
Formant_Formant pair = & frame -> formant [iformant];
FormantGrid_addFormantPoint (thee.peek(), iformant, t, pair -> frequency);
FormantGrid_addBandwidthPoint (thee.peek(), iformant, t, pair -> bandwidth);
}
}
return thee.transfer();
} catch (MelderError) {
Melder_throw (me, ": not converted to FormantGrid.");
}
}
FormantGrid FormantGrid_create (double tmin, double tmax, long numberOfFormants,
double initialFirstFormant, double initialFormantSpacing,
double initialFirstBandwidth, double initialBandwidthSpacing)
{
try {
autoFormantGrid me = FormantGrid_createEmpty (tmin, tmax, numberOfFormants);
for (long iformant = 1; iformant <= numberOfFormants; iformant ++) {
FormantGrid_addFormantPoint (me.peek(), iformant, 0.5 * (tmin + tmax),
initialFirstFormant + (iformant - 1) * initialFormantSpacing);
FormantGrid_addBandwidthPoint (me.peek(), iformant, 0.5 * (tmin + tmax),
initialFirstBandwidth + (iformant - 1) * initialBandwidthSpacing);
}
return me.transfer();
} catch (MelderError) {
Melder_throw ("FormantGrid not created.");
}
}
