Good Sound - Animating with Blender: How to Create Short Animations from Start to Finish - page 124

Removing Noise and Adjusting Levels
Open one of your recorded sound fi les in Audacity. Using the left mouse button, click and drag in the fl at
area at the beginning of the sound, as in Figure 8.10. This is the area of quiet that you hopefully left at the
beginning of each of your recordings. With this area selected, choose Noise Removal from the Effect
menu. The Noise Removal dialog appears, with two steps, each of which are shown in Figure 8.11. Choose
Get Noise Profi le . This option examines the area of “quiet” that you selected previously. The dialog disap-
pears, returning you to the sound fi le.
Figure 8.10 Selecting the quiet area at the beginning of the sound fi le
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Figure 8.11 The Noise Removal dialog
Use Ctrl-A or double-click anywhere within the sound clip to select the entire piece for processing.
Reselect Noise Removal from the Effect menu. This time, simply click OK to start the removal process.