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PROCESSING AUDIO CHP. 10
Swap Channels
The Swap Channels command allows you to exchange the right and left channels if you are working with a
stereo recording.
Important:
This option is only available in Screenblast
Sound Forge. If you're using the full version of Sound Forge,
use the Channel Converter.
Time Stretch
If you are working with the full version of Sound Forge, choosing Time Stretch from the Process menu starts
Sony Pictures Digital’s XFX Time Stretch plug-in. For more information on using the XFX Time Stretch
plug-in, refer to Sound Forge online help (from the
Help menu, choose Contents and Index).
If you are using Screenblast Sound Forge, choosing
Time Compress/Expand from the Process menu starts the
ExpressFX Time Stretch plug-in. This tool allows you to adjust the length of an audio file using a single
control, the Final length slider. For more information on using the ExpressFX Time Stretch plug-in, click the
Help button in the Time Stretch dialog.
Volume
The Volume command alters the volume of an audio selection.
Increasing the volume of a selection
1.
Open the Voiceover.pca file.
2.
Create a selection containing the word “Wow.”
3.
From the Process menu, choose Volume. The Volume dialog appears.
4.
From the Preset drop-down list, choose 6 dB boost (200%) and click OK. The specified boost is applied to
the selection.
5.
Play the file. The “Wow” data clips and distorts upon playback.
Exercise caution when using the
Volume command. Unlike Normalize, Volume performs no pre-
processing scans and offers no options for clipping audio data.
Volume dialog