How to: Tune Extraction Boundaries
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Using Wave Editor, the start and end times for an extraction can be altered to include all or part of the silence between the extraction and adjacent words.
For example, the recording "one two three" might contain three extractions, one for each word. The extraction "one" can include all the silence between it and "two." The extraction "two" can include all the silence between it and "one" and "three." The extraction "three" can include all the silence between "three" and "two."
Another way to increase silence around words is to paste a silent segment from another part of the same .wav file or to copy a silent segment from another file. For more information, see How to: Increase or Reduce Silence Between Words.
Changing Extraction Start and End Times
To change extraction start and end times using Wave Editor
In the Extraction pane, right-click a column heading.
In the Extraction Columns dialog box, select Has Wave if it is not already selected, and then click OK.
In the Extraction pane, double-click the Has Wave icon for the extraction.
In Wave Editor, position the pointer over a purple boundary line in the Ext track at the bottom of Wave Editor.
When the pointer changes to a double-arrow, click and drag the extraction boundary to a new location.
To evaluate the new settings, click the arrow on the End label to play the extractions.
See Also
Other Resources
Prompt Projects and Databases
Prompt Transcriptions and Recordings