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AFE.praat
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AFE.praat
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##########################################################
# #
# ___ ___ ___ #
# /\ \ /\__\ /\__\ #
# /::\ \ /:/ _/_ /:/ _/_ #
# /:/\:\ \ /:/ /\__\ /:/ /\__\ #
# /:/ /::\ \ /:/ /:/ //:/ /:/ _/_ #
# /:/_/:/\:\__\/:/_/:/ //:/_/:/ /\__\ #
# \:\/:/ \/__/\:\/:/ / \:\/:/ /:/ / #
# \::/__/ \::/__/ \::/_/:/ / #
# \:\ \ \:\ \ \:\/:/ / #
# \:\__\ \:\__\ \::/ / #
# \/__/ \/__/ \/__/ #
# #
# AFE.praat #
# Acoustic Feature Extractor #
# #
# Sung Hah Hwang #
# Written on: August 5, 2017 #
# Last updated on: March 24, 2018 #
# #
##########################################################
## Form (GUI)
form Acoustic Feature Extractor
comment [ ACOUSTIC FEATURE EXTRACTOR ]
comment This script extracts acoustic features from sound files with or without TextGrids
comment ⦿ Directory of sound and TextGrid files (with trailing slash: '/'):
text Directory /Users/sunghah/readSpeech/
word Sound_extension_(with_dot) .wav
comment ⦿ Full path to output result file:
text ResultFile /Users/sunghah/readSpeech/result.txt
comment ⦿ Specify which tier (number) to use in TextGrids:
positive TierNumber 1
comment ⦿ Extract without TextGrid (e.g., each sound file contains one vowel):
boolean No_TextGrid
comment ⦿ Target phonemes:
choice Target: 1
button All phonemes
button Specified phoneme set
comment ⦿ Specify phonemes of interest below (separated by comma without space):
word Phoneme_set aa,ee,ii,oo,uu
comment ⦿ Split each segment into chunks of:
positive Chunks 3
comment ⦿ Acoustic features to extract:
boolean Duration 1
boolean Formants 1
boolean Pitch 1
boolean Intensity 1
boolean H1_-_H2
boolean H1_-_A1,_H1_-_A2,_H1_-_A3
boolean sd,_skewness,_kurtosis,_COG
endform
## Using feature array to improve readability
feature["duration"] = 'Duration'
feature["formants"] = 'Formants'
feature["pitch"] = 'Pitch'
feature["intensity"] = 'Intensity'
feature["h1_minus_h2"] = 'H1_-_H2'
feature["h1_minus_a123"] = 'H1_-_A1,_H1_-_A2,_H1_-_A3'
feature["sd_skewness_kurtosis_COG"] = 'sd,_skewness,_kurtosis,_COG'
## Exit if no feature is selected
if (feature["duration"] = 0) and
... (feature["formants"] = 0) and
... (feature["pitch"] = 0) and
... (feature["intensity"] = 0) and
... (feature["h1_minus_h2"] = 0) and
... (feature["h1_minus_a123"] = 0) and
... (feature["sd_skewness_kurtosis_COG"] = 0)
exitScript: "No features are selected. Please select feature(s) to extract."
endif
## Check if another file exists by the name of the result file
if fileReadable(resultFile$)
pause File named 'resultFile$'
... exists in specified location. Do you want to overwrite it?
filedelete 'resultFile$'
endif
## Create file lists of sound and TextGrid files
Create Strings as file list... sound_list 'directory$'*'sound_extension$'
Create Strings as file list... textgrid_list 'directory$'*.TextGrid
## Check number of sound and TextGrid files
select Strings sound_list
numFiles = Get number of strings
select Strings textgrid_list
num_tg = Get number of strings
if numFiles = 0
exitScript: "No sound files found in the specified directory: 'directory$'"
endif
if num_tg = 0
pause No TextGrid files found in the specified directory. Do you want to continue?
endif
if numFiles <> num_tg
pause The numbers of sound files and textgrids do not match. Do you want to continue?
endif
# Jitter will be added for more accurate measurements
jitter = 0.2
################################################################################
## Print statistics to Praat Info window
################################################################################
clearinfo
# Delimiter
delim$ = "==================================================
...=================================================="
file_count = 0
startdate$ = date$()
printline Job started on: 'startdate$''newline$'
printline Working directory:'tab$''directory$'
printline Result file path:'tab$''resultFile$'
printline 'delim$'
printline Number of Sound files:'tab$''tab$''numFiles'
printline Number of TextGrid files:'tab$''num_tg'
if no_TextGrid = 1
printline 'tab$'- [ No TextGrid ] option selected
else
printline 'tab$'- Using Tier number:'tab$''tierNumber'
endif
printline Number of Chunks:'tab$''tab$''chunks'
printline 'delim$'
printline Selected features:
if feature["duration"] = 1
printline 'tab$''tab$''tab$' Duration
endif
if feature["formants"] = 1
printline 'tab$''tab$''tab$' Formants
endif
if feature["pitch"] = 1
printline 'tab$''tab$''tab$' Pitch
endif
if feature["intensity"] = 1
printline 'tab$''tab$''tab$' Intensity
endif
if feature["h1_minus_h2"] = 1
printline 'tab$''tab$''tab$' H1 - H2
endif
if feature["h1_minus_a123"] = 1
printline 'tab$''tab$''tab$' H1 - A1, H1 - A2, H1 - A3
endif
if feature["sd_skewness_kurtosis_COG"] = 1
printline 'tab$''tab$''tab$' sd, skewness, kurtosis, COG
endif
printline 'delim$'
################################################################################
## Write header in result file
################################################################################
if no_TextGrid = 1
header$ = "filename,"
else
header$ = "filename,left,phoneme,right,"
endif
if feature["duration"] = 1
header$ = "'header$'start,end,duration,"
endif
if feature["formants"] = 1
for k from 1 to chunks
k$ = string$(k)
header$ = "'header$'f1_ch'k$',f2_ch'k$',f3_ch'k$',f4_ch'k$',"
endfor
# Settings for formant extraction
window_length = 0.025
number_formants = 5
f1ref = 500
f2ref = 1485
f3ref = 2450
f4ref = 3550
f5ref = 4650
maximum_formant = 5500
# num_tracks = 3
freqcost = 1
bwcost = 1
transcost = 1
endif
if feature["pitch"] = 1
for k from 1 to chunks
k$ = string$(k)
header$ = "'header$'pitch_ch'k$',"
endfor
endif
if feature["intensity"] = 1
for k from 1 to chunks
k$ = string$(k)
header$ = "'header$'intensity_ch'k$',"
endfor
# Set minimum pitch value
minimum_pitch = 100
endif
if feature["h1_minus_h2"] = 1
for k from 1 to chunks
k$ = string$(k)
header$ = "'header$'h1_minus_h2_ch'k$',"
endfor
endif
if feature["h1_minus_a123"] = 1
for k from 1 to chunks
k$ = string$(k)
header$ = "'header$'h1-a1_ch'k$',h1-a2_ch'k$',h1-a3_ch'k$',"
endfor
endif
if feature["sd_skewness_kurtosis_COG"] = 1
for k from 1 to chunks
k$ = string$(k)
header$ = "'header$'sd_ch'k$',skewness_ch'k$',kurtosis_ch'k$',COG_ch'k$',"
endfor
endif
# Delete the trailing comma in header and write to file
len = length(header$)
header$ = mid$(header$, 1, len-1)
fileappend 'resultFile$' 'header$''newline$'
################################################################################
## Check if ... [no_TextGrid] = 1
## or [target] = 1
## or [target] = 2
## and start extraction
################################################################################
################################################################################
## Extraction without TextGrid
################################################################################
if no_TextGrid = 1
for iFile from 1 to numFiles
# Read in a sound file
select Strings sound_list
soundFile$ = Get string... iFile
# nowarn Read from file... 'directory$''soundFile$'
Read from file... 'directory$''soundFile$'
# Get filename without extension
dot_idx = rindex(soundFile$, ".")
name$ = left$(soundFile$, (dot_idx - 1))
# Resample sound file if needed
if (feature["duration"] = 1) and
... (feature["formants"] = 0) and
... (feature["pitch"] = 0) and
... (feature["intensity"] = 0) and
... (feature["h1_minus_h2"] = 0) and
... (feature["h1_minus_a123"] = 0) and
... (feature["sd_skewness_kurtosis_COG"] = 0)
soundObj = selected("Sound")
else
Resample... 16000 50
soundObj = selected("Sound")
endif
# Create pitch object
if (feature["pitch"] = 1) or
... (feature["h1_minus_h2"] = 1) or
... (feature["h1_minus_a123"] = 1)
select 'soundObj'
To Pitch... 0 50 600
pitch_tracking = selected("Pitch")
Interpolate
Rename... 'name$'_interpolated
pitch_interpolated = selected("Pitch")
endif
# Create intensity object
if feature["intensity"] = 1
select 'soundObj'
To Intensity... minimum_pitch 0.0 yes
intensity_tracking = selected("Intensity")
endif
# Start building resultLine; will write once at the end of the loop
resultLine$ = "'name$',"
# Get start and end time
start = Get start time
end = Get end time
dur = end - start
# Extract features: [start, end, duration]
if feature["duration"] = 1
resultLine$ = "'resultLine$''start','end','dur',"
endif
# Extract features: [f1, f2, f3, f4]
if feature["formants"] = 1
select 'soundObj'
To Formant (burg)... 0 number_formants maximum_formant window_length 50
Rename... 'name$'_beforeTracking
formant_beforeTracking = selected("Formant")
min_formants = Get minimum number of formants
if min_formants > 3
Track... 4 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
elsif min_formants > 2
Track... 3 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
else
Track... 2 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
endif
Rename... 'name$'_afterTracking
formant_afterTracking = selected("Formant")
# Extract features by chunk
for counter from 1 to 'chunks'
quotient = dur / chunks
ch_start = quotient * (counter - 1)
ch_end = ch_start + quotient
select 'formant_afterTracking'
f1 = Get mean... 1 ch_start ch_end Hertz
f2 = Get mean... 2 ch_start ch_end Hertz
if min_formants > 3
f3 = Get mean... 3 ch_start ch_end Hertz
f4 = Get mean... 4 ch_start ch_end Hertz
elsif min_formants > 2
f3 = Get mean... 3 ch_start ch_end Hertz
f4 = 0
else
f3 = 0
f4 = 0
endif
resultLine$ = "'resultLine$''f1','f2','f3','f4',"
endfor
plus 'formant_beforeTracking'
Remove
endif
# Extract features: [pitch]
if feature["pitch"] = 1
# Extract features by chunk
for counter from 1 to 'chunks'
quotient = dur / chunks
ch_start = quotient * (counter - 1)
ch_end = ch_start + quotient
select 'pitch_interpolated'
pitch_val = Get mean... start+quotient*(counter-1) start+quotient*counter Hertz
if pitch_val = undefined
pitch_val = 0
endif
resultLine$ = "'resultLine$''pitch_val',"
endfor
endif
# Extract features: [intensity]
if feature["intensity"] = 1
for counter from 1 to 'chunks'
quotient = dur / chunks
ch_start = quotient * (counter - 1)
ch_end = ch_start + quotient
select 'intensity_tracking'
int = Get mean... start+quotient*(counter-1) start+quotient*counter dB
resultLine$ = "'resultLine$''int',"
endfor
endif
# Extract features: [H1 - H2]
if feature["h1_minus_h2"] = 1
select 'soundObj'
Extract part... start end "rectangular" 1 "no"
extractedObj = selected("Sound")
To Formant (burg)... 0 number_formants maximum_formant window_length 50
Rename... 'name$'_beforeTracking
formant_beforeTracking = selected("Formant")
no_formants = 0
min_formants = Get minimum number of formants
if min_formants > 3
Track... 4 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
elsif min_formants > 2
Track... 3 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
elsif min_formants > 1
Track... 2 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
else
no_formants = 1
endif
if no_formants = 1
h1_minus_h2 = 0
for counter from 1 to 'chunks'
resultLine$ = "'resultLine$''h1_minus_h2',"
endfor
select 'formant_beforeTracking'
plus 'extractedObj'
Remove
else
Rename... 'name$'_afterTracking
formant_afterTracking = selected("Formant")
# Extract features by chunk
for counter from 1 to 'chunks'
quotient = dur / chunks
ch_start = quotient * (counter - 1) + jitter
ch_end = ch_start + quotient
select 'extractedObj'
Extract part... ch_start ch_end Hanning 1 no
Rename... 'name$'_chunked
chunkedObj = selected("Sound")
select 'formant_afterTracking'
f1 = Get mean... 1 ch_start ch_end Hertz
f2 = Get mean... 2 ch_start ch_end Hertz
if min_formants > 3
f3 = Get mean... 3 ch_start ch_end Hertz
f4 = Get mean... 4 ch_start ch_end Hertz
elsif min_formants > 2
f3 = Get mean... 3 ch_start ch_end Hertz
f4 = 0
else
f3 = 0
f4 = 0
endif
# Get pitch
select 'pitch_interpolated'
pitch_val = Get mean... start+quotient*(counter-1) start+quotient*counter Hertz
if pitch_val = undefined
pitch_val = 0
endif
# Get H1-H2
select 'chunkedObj'
To Spectrum (fft)
spectrumObj = selected("Spectrum")
To Ltas (1-to-1)
ltasObj = selected("Ltas")
if pitch_val <> undefined
p10_nf0md = 'pitch_val' / 10
lowerbh1 = 'pitch_val' - 'p10_nf0md'
upperbh1 = 'pitch_val' + 'p10_nf0md'
lowerbh2 = ('pitch_val' * 2) - ('p10_nf0md' * 2)
upperbh2 = ('pitch_val' * 2) + ('p10_nf0md' * 2)
h1db = Get maximum... 'lowerbh1' 'upperbh1' None
#h1hz = Get frequency of maximum... 'lowerbh1' 'upperbh1' None
h2db = Get maximum... 'lowerbh2' 'upperbh2' None
#h2hz = Get frequency of maximum... 'lowerbh2' 'upperbh2' None
# Calculate potential voice quality correlates
h1_minus_h2 = 'h1db' - 'h2db'
else
h1_minus_h2 = 0
endif
resultLine$ = "'resultLine$''h1_minus_h2',"
select 'ltasObj'
plus 'spectrumObj'
plus 'chunkedObj'
Remove
endfor
select 'formant_afterTracking'
plus 'formant_beforeTracking'
plus 'extractedObj'
Remove
endif
endif
# Extract features: [H1 - A1, H1 - A2, H1 - A3]
if feature["h1_minus_a123"] = 1
select 'soundObj'
Extract part... start end "rectangular" 1 "no"
extractedObj = selected("Sound")
select 'extractedObj'
To Formant (burg)... 0 number_formants maximum_formant window_length 50
Rename... 'name$'_beforeTracking
formant_beforeTracking = selected("Formant")
no_formants = 0
min_formants = Get minimum number of formants
if min_formants > 3
Track... 4 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
elsif min_formants > 2
Track... 3 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
elsif min_formants > 1
Track... 2 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
else
no_formants = 1
endif
if no_formants = 1
h1_minus_a1 = 0
h1_minus_a2 = 0
h1_minus_a3 = 0
for counter from 1 to 'chunks'
resultLine$ = "'resultLine$''h1_minus_a1','h1_minus_a2','h1_minus_a3',"
endfor
select 'formant_beforeTracking'
plus 'extractedObj'
Remove
else
Rename... 'name$'_afterTracking
formant_afterTracking = selected("Formant")
# Extract features by chunk
for counter from 1 to 'chunks'
quotient = dur / chunks
ch_start = quotient * (counter - 1)
ch_end = ch_start + quotient
select 'extractedObj'
Extract part... ch_start ch_end Hanning 1 no
Rename... 'name$'_chunked
chunkedObj = selected("Sound")
select 'formant_afterTracking'
f1 = Get mean... 1 ch_start ch_end Hertz
f2 = Get mean... 2 ch_start ch_end Hertz
if min_formants > 3
f3 = Get mean... 3 ch_start ch_end Hertz
f4 = Get mean... 4 ch_start ch_end Hertz
elsif min_formants > 2
f3 = Get mean... 3 ch_start ch_end Hertz
f4 = 0
else
f3 = 0
f4 = 0
endif
# Get F0
select 'pitch_interpolated'
pitch_val = Get mean... start+quotient*(counter-1) start+quotient*counter Hertz
if pitch_val = undefined
pitch_val = 0
endif
# Get h1_minus_h2
select 'chunkedObj'
To Spectrum (fft)
spectrumObj = selected("Spectrum")
To Ltas (1-to-1)
ltasObj = selected("Ltas")
if pitch_val <> undefined
p10_nf0md = 'pitch_val' / 10
lowerbh1 = 'pitch_val' - 'p10_nf0md'
upperbh1 = 'pitch_val' + 'p10_nf0md'
lowerbh2 = ('pitch_val' * 2) - ('p10_nf0md' * 2)
upperbh2 = ('pitch_val' * 2) + ('p10_nf0md' * 2)
select 'ltasObj'
h1db = Get maximum... 'lowerbh1' 'upperbh1' None
h1hz = Get frequency of maximum... 'lowerbh1' 'upperbh1' None
h2db = Get maximum... 'lowerbh2' 'upperbh2' None
h2hz = Get frequency of maximum... 'lowerbh2' 'upperbh2' None
rh1hz = round('h1hz')
rh2hz = round('h2hz')
# Get the a1, a2, a3 measurements.
p10_f1hzpt = 'f1' / 10
p10_f2hzpt = 'f2' / 10
p10_f3hzpt = 'f3' / 10
lowerba1 = 'f1' - 'p10_f1hzpt'
upperba1 = 'f1' + 'p10_f1hzpt'
lowerba2 = 'f2' - 'p10_f2hzpt'
upperba2 = 'f2' + 'p10_f2hzpt'
lowerba3 = 'f3' - 'p10_f3hzpt'
upperba3 = 'f3' + 'p10_f3hzpt'
a1db = Get maximum... 'lowerba1' 'upperba1' None
a1hz = Get frequency of maximum... 'lowerba1' 'upperba1' None
a2db = Get maximum... 'lowerba2' 'upperba2' None
a2hz = Get frequency of maximum... 'lowerba2' 'upperba2' None
a3db = Get maximum... 'lowerba3' 'upperba3' None
a3hz = Get frequency of maximum... 'lowerba3' 'upperba3' None
# Calculate potential voice quality correlates.
h1_minus_a1 = 'h1db' - 'a1db'
h1_minus_a2 = 'h1db' - 'a2db'
h1_minus_a3 = 'h1db' - 'a3db'
else
h1_minus_a1 = 0
h1_minus_a2 = 0
h1_minus_a3 = 0
endif
resultLine$ = "'resultLine$''h1_minus_a1','h1_minus_a2','h1_minus_a3',"
select 'ltasObj'
plus 'spectrumObj'
plus 'chunkedObj'
Remove
endfor
select 'formant_afterTracking'
plus 'formant_beforeTracking'
plus 'extractedObj'
Remove
endif
endif
# Extract features: [sd, skewness, kurtosis, COG]
if feature["sd_skewness_kurtosis_COG"] = 1
select 'soundObj'
Extract part... start end "rectangular" 1 "no"
extractedObj = selected("Sound")
# Extract features by chunk
for counter from 1 to 'chunks'
quotient = dur / chunks
ch_start = quotient * (counter - 1)
ch_end = ch_start + quotient
select 'extractedObj'
Extract part... ch_start ch_end Hanning 1 no
Rename... 'name$'_chunked
chunkedObj = selected("Sound")
To Spectrum (fft)
spectrumObj = selected("Spectrum")
grav = Get centre of gravity... 2
sdev = Get standard deviation... 2
skew = Get skewness... 2
kurt = Get kurtosis... 2
resultLine$ = "'resultLine$''sdev','skew','kurt','grav',"
select 'spectrumObj'
plus 'chunkedObj'
Remove
endfor
select 'extractedObj'
Remove
endif
# Delete the trailing comma in resultLine and write to the result file
len = length(resultLine$)
resultLine$ = mid$(resultLine$, 1, len-1)
fileappend 'resultFile$' 'resultLine$''newline$'
# Increment file_count
file_count = file_count + 1
date$ = date$()
printline 'file_count' file(s) processed: 'soundFile$' - 'date$'
select all
minus Strings sound_list
Remove
endfor
# Clear all object
select all
Remove
################################################################################
## Extraction for all phonemes
################################################################################
elsif target = 1
for iFile from 1 to numFiles
# Read in a sound file
select Strings sound_list
soundFile$ = Get string... iFile
# nowarn Read from file... 'directory$''soundFile$'
Read from file... 'directory$''soundFile$'
# Get filename without extension
dot_idx = rindex(soundFile$, ".")
name$ = left$(soundFile$, (dot_idx - 1))
# Resample sound file if needed
if (feature["duration"] = 1) and
... (feature["formants"] = 0) and
... (feature["pitch"] = 0) and
... (feature["intensity"] = 0) and
... (feature["h1_minus_h2"] = 0) and
... (feature["h1_minus_a123"] = 0) and
... (feature["sd_skewness_kurtosis_COG"] = 0)
soundObj = selected("Sound")
else
Resample... 16000 50
soundObj = selected("Sound")
endif
# Create pitch object
if (feature["pitch"] = 1) or
... (feature["h1_minus_h2"] = 1) or
... (feature["h1_minus_a123"] = 1)
select 'soundObj'
To Pitch... 0 50 600
pitch_tracking = selected("Pitch")
Interpolate
Rename... 'name$'_interpolated
pitch_interpolated = selected("Pitch")
endif
# Create intensity object
if feature["intensity"] = 1
select 'soundObj'
To Intensity... minimum_pitch 0.0 yes
intensity_tracking = selected("Intensity")
endif
# Read in a TextGrid file
tgfile$ = "'directory$''name$'.TextGrid"
if fileReadable(tgfile$)
# nowarn Read from file... 'tgfile$'
Read from file... 'tgfile$'
textgrid = selected("TextGrid")
numIntervals = Get number of intervals... tierNumber
# Extract features from every phoneme
for iLabel from 1 to numIntervals
select 'textgrid'
label$ = Get label of interval... 'tierNumber' 'iLabel'
select 'textgrid'
start = Get starting point... tierNumber iLabel
end = Get end point... tierNumber iLabel
dur = end - start
# Get labels of preceding and following phonemes
if iLabel = 1
left$ = "Start"
right_idx = iLabel + 1
right$ = Get label of interval... tierNumber right_idx
elsif iLabel = numIntervals
right$ = "End"
left_idx = iLabel - 1
left$ = Get label of interval... tierNumber left_idx
elsif iLabel <> 1 and iLabel <> numIntervals
left_idx = iLabel - 1
right_idx = iLabel + 1
left$ = Get label of interval... tierNumber left_idx
right$ = Get label of interval... tierNumber right_idx
endif
# Start building resultLine; will write once at the end of the loop
resultLine$ = "'name$','left$','label$','right$',"
# Extract features: [start, end, duration]
if feature["duration"] = 1
resultLine$ = "'resultLine$''start','end','dur',"
endif
# Extract features: [f1, f2, f3, f4]
if feature["formants"] = 1
# Do not track or extract formants for SIL's which is subject to errors
if startsWith(label$, "SIL")
f1 = 0
f2 = 0
f3 = 0
f4 = 0
for counter from 1 to 'chunks'
resultLine$ = "'resultLine$''f1','f2','f3','f4',"
endfor
else
select 'soundObj'
# Add jitter for more accurate formant tracking
Extract part... start-jitter end+jitter "rectangular" 1 "no"
extractedObj = selected("Sound")
select 'extractedObj'
To Formant (burg)... 0 number_formants maximum_formant window_length 50
Rename... 'name$'_beforeTracking
formant_beforeTracking = selected("Formant")
no_formants = 0
min_formants = Get minimum number of formants
if min_formants > 3
Track... 4 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
elsif min_formants > 2
Track... 3 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
elsif min_formants > 1
Track... 2 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
else
no_formants = 1
endif
if no_formants = 1
f1 = 0
f2 = 0
f3 = 0
f4 = 0
for counter from 1 to 'chunks'
resultLine$ = "'resultLine$''f1','f2','f3','f4',"
endfor
else
Rename... 'name$'_afterTracking
formant_afterTracking = selected("Formant")
# Extract features by chunk
for counter from 1 to 'chunks'
quotient = dur / chunks
ch_start = quotient * (counter - 1) + jitter
ch_end = ch_start + quotient
select 'formant_afterTracking'
f1 = Get mean... 1 ch_start ch_end Hertz
f2 = Get mean... 2 ch_start ch_end Hertz
if min_formants > 3
f3 = Get mean... 3 ch_start ch_end Hertz
f4 = Get mean... 4 ch_start ch_end Hertz
elsif min_formants > 2
f3 = Get mean... 3 ch_start ch_end Hertz
f4 = 0
else
f3 = 0
f4 = 0
endif
resultLine$ = "'resultLine$''f1','f2','f3','f4',"
endfor
select 'formant_afterTracking'
Remove
endif
select 'formant_beforeTracking'
plus 'extractedObj'
Remove
endif
endif
# Extract features: [pitch]
if feature["pitch"] = 1
# Extract features by chunk
for counter from 1 to 'chunks'
quotient = dur / chunks
ch_start = quotient * (counter - 1) + jitter
ch_end = ch_start + quotient
select 'pitch_interpolated'
pitch_val = Get mean... start+quotient*(counter-1) start+quotient*counter Hertz
if pitch_val = undefined
pitch_val = 0
endif
resultLine$ = "'resultLine$''pitch_val',"
endfor
endif
# Extract features: [intensity]
if feature["intensity"] = 1
for counter from 1 to 'chunks'
quotient = dur / chunks
ch_start = quotient * (counter - 1) + jitter
ch_end = ch_start + quotient
select 'intensity_tracking'
int = Get mean... start+quotient*(counter-1) start+quotient*counter dB
resultLine$ = "'resultLine$''int',"
endfor
endif
# Extract features: [H1 - H2]
if feature["h1_minus_h2"] = 1
# Do not extract H1-H2 for SIL's which is subject to errors
if startsWith(label$, "SIL")
h1_minus_h2 = 0
for counter from 1 to 'chunks'
resultLine$ = "'resultLine$''h1_minus_h2',"
endfor
else
select 'soundObj'
# Add jitter for accurate formant tracking
Extract part... start-jitter end+jitter "rectangular" 1 "no"
extractedObj = selected("Sound")
select 'extractedObj'
To Formant (burg)... 0 number_formants maximum_formant window_length 50
Rename... 'name$'_beforeTracking
formant_beforeTracking = selected("Formant")
no_formants = 0
min_formants = Get minimum number of formants
if min_formants > 3
Track... 4 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
elsif min_formants > 2
Track... 3 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
elsif min_formants > 1
Track... 2 'f1ref' 'f2ref' 'f3ref' 'f4ref' 'f5ref' 'freqcost' 'bwcost' 'transcost'
else
no_formants = 1
endif
if no_formants = 1
h1_minus_h2 = 0
for counter from 1 to 'chunks'
resultLine$ = "'resultLine$''h1_minus_h2',"
endfor
select 'formant_beforeTracking'
plus 'extractedObj'
Remove
else
Rename... 'name$'_afterTracking
formant_afterTracking = selected("Formant")
# Extract features by chunk
for counter from 1 to 'chunks'
quotient = dur / chunks
ch_start = quotient * (counter - 1) + jitter
ch_end = ch_start + quotient
select 'extractedObj'
Extract part... ch_start ch_end Hanning 1 no
Rename... 'name$'_chunked
chunkedObj = selected("Sound")