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CHP. 10 PROCESSING AUDIO
159
Normalizing Audio
1.
Open the Musicbed.pca 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.
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.
Pre-normalized file
S
pec
if
y
N
orma
li
ze
to -16 dB from the Preset
drop-down list
Normalized file