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save_intervals_to_wav_sound_files 2.praat
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save_intervals_to_wav_sound_files 2.praat
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# This script saves each interval in the selected IntervalTier of a TextGrid to a separate WAV sound file.
# The source sound must be a LongSound object, and both the TextGrid and
# the LongSound must have identical names and they have to be selected
# before running the script.
# Files are named with running index numbers.
# A text file is created from the interval labels. Each line in the text file refers to a sound file
# (line number in text file corresponds to sound file name).
#
# This script is distributed under the GNU General Public License.
# Copyright 8.3.2002 Mietta Lennes
#
form Save intervals to small sound files
comment Each interval in the selected tier will be saved to a separate WAV sound file.
comment The sound files will be numbered and the labels will be saved in a text file, one label per line.
comment Which IntervalTier in this TextGrid would you like to process?
integer Tier 2
comment Starting and ending at which interval?
integer Start_from 1
integer End_at_(0=last) 0
boolean Exclude_empty_labels
boolean Exclude_intervals_labeled_as_xxx
boolean Exclude_intervals_starting_with_dot_(.)
comment Give a small margin for the files if you like:
positive Margin_(seconds) 0.01
comment From which number do you want to start file numbering?
integer Start_numbering_at 1
comment Give the folder where to save the sound files:
sentence Folder C:\Users\George\Desktop\child language\language development\project\audio\speechrate\utter\
comment Give an optional prefix for all filenames:
sentence Prefix
comment Give an optional suffix for all filenames (.wav will be added anyway):
sentence Suffix
endform
soundname$ = selected$ ("TextGrid", 1)
select TextGrid 'soundname$'
numberOfIntervals = Get number of intervals... tier
if start_from > numberOfIntervals
exit There are not that many intervals in the IntervalTier!
endif
if end_at > numberOfIntervals
end_at = numberOfIntervals
endif
if end_at = 0
end_at = numberOfIntervals
endif
# Default values for variables
files = 0
intervalstart = 0
intervalend = 0
interval = 1
intnumber = start_numbering_at - 1
intname$ = ""
intervalfile$ = ""
endoffile = Get finishing time
# ask if the user wants to go through with saving all the files:
for interval from start_from to end_at
xxx$ = Get label of interval... tier interval
check = 0
if xxx$ = "xxx" and exclude_intervals_labeled_as_xxx = 1
check = 1
endif
if xxx$ = "" and exclude_empty_labels = 1
check = 1
endif
if left$ (xxx$,1) = "." and exclude_intervals_starting_with_dot = 1
check = 1
endif
if check = 0
files = files + 1
endif
endfor
interval = 1
pause 'files' sound files will be saved. Continue?
textfilename$ = "'folder$'" + "'soundname$'" + "_" + "'start_numbering_at'" + "to" + "'files'" + ".txt"
# Loop through all intervals in the selected tier of the TextGrid
for interval from start_from to end_at
select TextGrid 'soundname$'
intname$ = ""
intname$ = Get label of interval... tier interval
check = 0
if intname$ = "xxx" and exclude_intervals_labeled_as_xxx = 1
check = 1
endif
if intname$ = "" and exclude_empty_labels = 1
check = 1
endif
if left$ (intname$,1) = "." and exclude_intervals_starting_with_dot = 1
check = 1
endif
if check = 0
intnumber = intnumber + 1
intervalstart = Get starting point... tier interval
if intervalstart > margin
intervalstart = intervalstart - margin
else
intervalstart = 0
endif
intervalend = Get end point... tier interval
if intervalend < endoffile - margin
intervalend = intervalend + margin
else
intervalend = endoffile
endif
select LongSound 'soundname$'
Extract part... intervalstart intervalend no
# The name of the sound file then consists of these elements:
intervalfile$ = "'folder$'" + "'prefix$'" + "'intnumber'" + "'suffix$'" + ".wav"
Write to WAV file... 'intervalfile$'
Remove
# Now take the label of the saved sound interval and add it to the text file:
select TextGrid 'soundname$'
intname$ = "'intname$'" + "'newline$'"
fileappend "'textfilename$'" 'intname$'
endif
endfor