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[O] Remove window

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Hykilpikonna 2022-03-21 01:24:46 -04:00
parent caddebadcc
commit c81cbc85bc
1 changed files with 11 additions and 15 deletions
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26
src/spectral_tilt.py
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@ -1,25 +1,22 @@
import math
import parselmouth
from parselmouth.praat import call
def tilt(sound: parselmouth.Sound) -> float:
"""
Compute spectral tilt
# https://github.com/Voice-Lab/VoiceLab/blob/2edf9678866eb5f5f230bf1578e1aa418f7f4917/Voicelab/toolkits/Voicelab/MeasureSpectralTiltNode.py
# The closer to positive the creakier it is#
def tilt(sound: parselmouth.Sound):
# read the sound
Based on statistics, spectral tilt's range is around [-0.5, -0.08]. Higher spectral tilt is
correlated with a creaky voice, and lower spectral tilt is correlated with a breathy voice.
window_length = sound.get_total_duration()
Implementation modified from https://github.com/Voice-Lab/VoiceLab/blob/main/Voicelab/toolkits/Voicelab/MeasureSpectralTiltNode.py
Credit to VoiceLab (https://github.com/Voice-Lab/VoiceLab)
# Compute begin and end times, set window
end = call(sound, "Get end time")
midpoint = end / 2
begintime = midpoint - (window_length / 2)
endtime = midpoint + (window_length / 2)
part_to_measure = sound.extract_part(begintime, endtime)
spectrum = part_to_measure.to_spectrum()
:param sound: Decoded sound
:return: Spectral tilt value
"""
spectrum = sound.to_spectrum()
total_bins = spectrum.get_number_of_bins()
dBValue = []
bins = []
@ -65,5 +62,4 @@ def tilt(sound: parselmouth.Sound):
sXX = sumXX - ((sumX * sumX) / len(bins))
sXY = sumXY - ((sumX * sumY) / len(bins))
spectral_tilt = sXY / sXX
# print(spectral_tilt)
return spectral_tilt