Phonetics and Phonology (eng507)


Topic-184: Segmenting and Labeling



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VU P & P

Topic-184: Segmenting and Labeling

‘Segmenting and labelling is our next experiment on Praat which is particularly helpful in acoustic analysis because we will be able to place segmental symbols (label and add the textgrids to spectrogram) and annotate the sound file. The sound file needs text fora number of reasons including Copyright Virtual University of Pakistan

Phonetics and Phonology (ENG)



VU
keeping the track record of your measurement from the file for annotating the textgrid tiers and by learning segmenting and labelling, we also learn how to open both files together and putting the phonetic symbols to our recordings. Follow the following steps for learning segmenting and labeling on Praat:
1. Create a textgrid:
In the Praat Objects window, highlight the subject (required) file.
• Annotate > To TextGrid.
• Create two tiers (this will be enough for our purposes. Write word segment (these are two tiers) on the cell named All tier names on the small window.
2. Open the sound file and textgrid together
• Hold down Ctrl and click on each file to highlight them both.
• Edit (in your display you should now seethe waveform (top, the spectrogram (middle) and the textgrid (bottom) corresponding to your sound file.
3. Segment the file
• Place the cursor at the beginning of the name on the spectrogram/waveform; a boundary line will show up.
• Click in the little circle at the top of the word tier in the Textgrid to create a boundary.
• To remove a boundary that you have made - Highlight the boundary - Go to Boundary >
Remove OR click Alt+backspace.
4. Label the intervals
• Select/highlight the target interval by clicking between two boundaries the selected interval should go yellow.
• To input or change the text in an interval, edit in the Textbox above the spectrogram.
• Give name to each interval you create (first name or last name]).
Good You’re done with your Segmenting and labelling. You can also add the phonetic symbols to the textgrid if required by going to the TextGrid editing window - go to Help > Phonetic symbols.

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