Use Careful Speech Tool
On the Start Annotating tab, a segmentation method you can select is Use Careful Speech Tool. It opens the file in the Careful Speech Recorder dialog box.
You will need a microphone for this task. You can click and drag an edge of the Careful Speech Recorder dialog box to resize it.
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Press and hold the SPACEBAR key, or click and hold
Listen to begin listening to the recording. As you listen to the audio, do the following:-
Watch the vertical line move through the waveform. Release the SPACEBAR key or mouse button when the line is at the location where you want a segment boundary.
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Press and hold the SPACEBAR key again, or click and hold the
Speak button, while you speak the careful speech annotation of that portion. Then, release the key or button.
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Alternatively, click 
to ignore a segment that you do not want to use.
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If necessary, click
or 
to remove the most recently added careful speech annotation or to clear Ignore. -
Repeat this step above until all segment boundaries are set and careful speech annotations are recorded.
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To hear a careful speech annotation, hover your mouse pointer over that segment, and then click
in that segment.-
If the annotation is not acceptable, click and hold
while you speak the careful speech annotation for the segment again.
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This records the new annotation over the old one.
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If the annotation is acceptable, repeat this step for the next segment.
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If necessary, for a segment that is not usable as an example of speech, click Ignore.
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Click OK.