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Normalizing Audio

1.Open the Musicbed.pca file.

Pre-normalized file

2.From the Process menu, choose Normalize. The Normalize dialog appears.

3.From the Preset drop-down list, choose Normalize to -16 dB and click OK. The file is normalized and its overall “loudness” increased.

Specify Normalize

to -16 dB from the Preset drop-down list

Normalized file

Note: The Normalize dialogs pictured above are from the full version of Sound Forge. If you are using Screenblast Sound Forge, not all of the controls pictured above will be available to you.

Normalize Controls

The following controls are located in the Normalize dialog.

Normalize using Peak level

This radio button normalizes the audio file using the maximum (instantaneous) sample values detected. A constant gain is then applied to the audio.

Normalize using Average RMS power (loudness)

This radio button normalizes the audio file using the detected average RMS value of the audio file. This is helpful for matching the apparent loudness of a number of individual recordings. For more information, see Scan settings area on page 160.

CHP. 10

PROCESSING AUDIO