static long Pitch_getMeanAbsoluteSlope (Pitch me,
double *out_hertz, double *out_mel, double *out_semitones, double *out_erb, double *out_withoutOctaveJumps)
{
long firstVoicedFrame = 0, lastVoicedFrame = 0, nVoiced = 0, i;
double *frequencies = NUMvector <double> (1, my nx);
for (i = 1; i <= my nx; i ++) {
double frequency = my frame [i]. candidate [1]. frequency;
frequencies [i] = frequency > 0.0 && frequency < my ceiling ? frequency : 0.0;
if (frequencies [i]) nVoiced ++;
}
for (i = 1; i <= my nx; i ++) /* Look for first voiced frame. */
if (frequencies [i] != 0.0) { firstVoicedFrame = i; break; }
for (i = my nx; i >= 1; i --) /* Look for last voiced frame. */
if (frequencies [i] != 0.0) { lastVoicedFrame = i; break; }
if (nVoiced > 1) {
int ilast = firstVoicedFrame;
double span = (lastVoicedFrame - firstVoicedFrame) * my dx, flast = frequencies [ilast];
double slopeHz = 0, slopeMel = 0, slopeSemitones = 0, slopeErb = 0, slopeRobust = 0;
for (i = firstVoicedFrame + 1; i <= lastVoicedFrame; i ++) if (frequencies [i] != 0.0) {
double localStepSemitones = fabs (SEMITONES (frequencies [i]) - SEMITONES (flast));
slopeHz += fabs (frequencies [i] - flast);
slopeMel += fabs (MEL (frequencies [i]) - MEL (flast));
slopeSemitones += localStepSemitones;
slopeErb += fabs (ERB (frequencies [i]) - ERB (flast));
while (localStepSemitones >= 12.0) localStepSemitones -= 12.0; /* Kill octave jumps. */
if (localStepSemitones > 6.0) localStepSemitones = 12.0 - localStepSemitones;
slopeRobust += localStepSemitones;
ilast = i;
flast = frequencies [i];
}
if (out_hertz) *out_hertz = slopeHz / span;
if (out_mel) *out_mel = slopeMel / span;
if (out_semitones) *out_semitones = slopeSemitones / span;
if (out_erb) *out_erb = slopeErb / span;
if (out_withoutOctaveJumps) *out_withoutOctaveJumps = slopeRobust / span;
} else {
if (out_hertz) *out_hertz = NUMundefined;
if (out_mel) *out_mel = NUMundefined;
if (out_semitones) *out_semitones = NUMundefined;
if (out_erb) *out_erb = NUMundefined;
if (out_withoutOctaveJumps) *out_withoutOctaveJumps = NUMundefined;
}
NUMvector_free (frequencies, 1);
return nVoiced;
}
void structPitch :: v_info () {
long nVoiced;
autoNUMvector <double> frequencies (Sampled_getSortedValues (this, Pitch_LEVEL_FREQUENCY, kPitch_unit_HERTZ, & nVoiced), 1);
structDaata :: v_info ();
MelderInfo_writeLine (U"Time domain:");
MelderInfo_writeLine (U" Start time: ", xmin, U" seconds");
MelderInfo_writeLine (U" End time: ", xmax, U" seconds");
MelderInfo_writeLine (U" Total duration: ", xmax - xmin, U" seconds");
MelderInfo_writeLine (U"Time sampling:");
MelderInfo_writeLine (U" Number of frames: ", nx, U" (", nVoiced, U" voiced)");
MelderInfo_writeLine (U" Time step: ", dx, U" seconds");
MelderInfo_writeLine (U" First frame centred at: ", x1, U" seconds");
MelderInfo_writeLine (U"Ceiling at: ", ceiling, U" Hz");
if (nVoiced >= 1) { // quantiles
double quantile10, quantile16, quantile50, quantile84, quantile90;
quantile10 = NUMquantile (nVoiced, frequencies.peek(), 0.10);
quantile16 = NUMquantile (nVoiced, frequencies.peek(), 0.16);
quantile50 = NUMquantile (nVoiced, frequencies.peek(), 0.50); // median
quantile84 = NUMquantile (nVoiced, frequencies.peek(), 0.84);
quantile90 = NUMquantile (nVoiced, frequencies.peek(), 0.90);
MelderInfo_writeLine (U"\nEstimated quantiles:");
MelderInfo_write (U" 10% = ", Melder_single (quantile10), U" Hz = ", Melder_single (MEL (quantile10)), U" Mel = ");
MelderInfo_writeLine (Melder_single (SEMITONES (quantile10)), U" semitones above 100 Hz = ", Melder_single (ERB (quantile10)), U" ERB");
MelderInfo_write (U" 16% = ", Melder_single (quantile16), U" Hz = ", Melder_single (MEL (quantile16)), U" Mel = ");
MelderInfo_writeLine (Melder_single (SEMITONES (quantile16)), U" semitones above 100 Hz = ", Melder_single (ERB (quantile16)), U" ERB");
MelderInfo_write (U" 50% = ", Melder_single (quantile50), U" Hz = ", Melder_single (MEL (quantile50)), U" Mel = ");
MelderInfo_writeLine (Melder_single (SEMITONES (quantile50)), U" semitones above 100 Hz = ", Melder_single (ERB (quantile50)), U" ERB");
MelderInfo_write (U" 84% = ", Melder_single (quantile84), U" Hz = ", Melder_single (MEL (quantile84)), U" Mel = ");
MelderInfo_writeLine (Melder_single (SEMITONES (quantile84)), U" semitones above 100 Hz = ", Melder_single (ERB (quantile84)), U" ERB");
MelderInfo_write (U" 90% = ", Melder_single (quantile90), U" Hz = ", Melder_single (MEL (quantile90)), U" Mel = ");
MelderInfo_writeLine (Melder_single (SEMITONES (quantile90)), U" semitones above 100 Hz = ", Melder_single (ERB (quantile90)), U" ERB");
if (nVoiced > 1) {
double corr = sqrt (nVoiced / (nVoiced - 1.0));
MelderInfo_writeLine (U"\nEstimated spreading:");
MelderInfo_write (U" 84%-median = ", Melder_half ((quantile84 - quantile50) * corr), U" Hz = ", Melder_half ((MEL (quantile84) - MEL (quantile50)) * corr), U" Mel = ");
MelderInfo_writeLine (Melder_half ((SEMITONES (quantile84) - SEMITONES (quantile50)) * corr), U" semitones = ", Melder_half ((ERB (quantile84) - ERB (quantile50)) * corr), U" ERB");
MelderInfo_write (U" median-16% = ", Melder_half ((quantile50 - quantile16) * corr), U" Hz = ", Melder_half ((MEL (quantile50) - MEL (quantile16)) * corr), U" Mel = ");
MelderInfo_writeLine (Melder_half ((SEMITONES (quantile50) - SEMITONES (quantile16)) * corr), U" semitones = ", Melder_half ((ERB (quantile50) - ERB (quantile16)) * corr), U" ERB");
MelderInfo_write (U" 90%-10% = ", Melder_half ((quantile90 - quantile10) * corr), U" Hz = ", Melder_half ((MEL (quantile90) - MEL (quantile10)) * corr), U" Mel = ");
MelderInfo_writeLine (Melder_half ((SEMITONES (quantile90) - SEMITONES (quantile10)) * corr), U" semitones = ", Melder_half ((ERB (quantile90) - ERB (quantile10)) * corr), U" ERB");
}
}
if (nVoiced >= 1) { // extrema, range, mean and standard deviation
double minimum = Pitch_getMinimum (this, xmin, xmax, kPitch_unit_HERTZ, false);
double maximum = Pitch_getMaximum (this, xmin, xmax, kPitch_unit_HERTZ, false);
double meanHertz, meanMel, meanSemitones, meanErb;
MelderInfo_write (U"\nMinimum ", Melder_single (minimum), U" Hz = ", Melder_single (MEL (minimum)), U" Mel = ");
MelderInfo_writeLine (Melder_single (SEMITONES (minimum)), U" semitones above 100 Hz = ", Melder_single (ERB (minimum)), U" ERB");
MelderInfo_write (U"Maximum ", Melder_single (maximum), U" Hz = ", Melder_single (MEL (maximum)), U" Mel = ");
MelderInfo_writeLine (Melder_single (SEMITONES (maximum)), U" semitones above 100 Hz = ", Melder_single (ERB (maximum)), U" ERB");
MelderInfo_write (U"Range ", Melder_half (maximum - minimum), U" Hz = ", Melder_single (MEL (maximum) - MEL (minimum)), U" Mel = ");
MelderInfo_writeLine (Melder_half (SEMITONES (maximum) - SEMITONES (minimum)), U" semitones = ", Melder_half (ERB (maximum) - ERB (minimum)), U" ERB");
meanHertz = Pitch_getMean (this, 0, 0, kPitch_unit_HERTZ);
meanMel = Pitch_getMean (this, 0, 0, kPitch_unit_MEL);
meanSemitones = Pitch_getMean (this, 0, 0, kPitch_unit_SEMITONES_100);
meanErb = Pitch_getMean (this, 0, 0, kPitch_unit_ERB);
MelderInfo_write (U"Average: ", Melder_single (meanHertz), U" Hz = ", Melder_single (meanMel), U" Mel = ");
MelderInfo_writeLine (Melder_single (meanSemitones), U" semitones above 100 Hz = ", Melder_single (meanErb), U" ERB");
if (nVoiced >= 2) {
double stdevHertz = Pitch_getStandardDeviation (this, 0, 0, kPitch_unit_HERTZ);
double stdevMel = Pitch_getStandardDeviation (this, 0, 0, kPitch_unit_MEL);
double stdevSemitones = Pitch_getStandardDeviation (this, 0, 0, kPitch_unit_SEMITONES_100);
double stdevErb = Pitch_getStandardDeviation (this, 0, 0, kPitch_unit_ERB);
MelderInfo_write (U"Standard deviation: ", Melder_half (stdevHertz), U" Hz = ", Melder_half (stdevMel), U" Mel = ");
MelderInfo_writeLine (Melder_half (stdevSemitones), U" semitones = ", Melder_half (stdevErb), U" ERB");
}
}
if (nVoiced > 1) { // variability: mean absolute slope
double slopeHertz, slopeMel, slopeSemitones, slopeErb, slopeWithoutOctaveJumps;
Pitch_getMeanAbsoluteSlope (this, & slopeHertz, & slopeMel, & slopeSemitones, & slopeErb, & slopeWithoutOctaveJumps);
MelderInfo_write (U"\nMean absolute slope: ", Melder_half (slopeHertz), U" Hz/s = ", Melder_half (slopeMel), U" Mel/s = ");
MelderInfo_writeLine (Melder_half (slopeSemitones), U" semitones/s = ", Melder_half (slopeErb), U" ERB/s");
MelderInfo_writeLine (U"Mean absolute slope without octave jumps: ", Melder_half (slopeWithoutOctaveJumps), U" semitones/s");
}
}