Apple Final Cut Express HD - Manual (Page 593)

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Audio Levels, Meters,
and Output Channels
You use audio meters to keep levels consistent throughout
your movie and to make sure audio signals never get so high
that they distort.
This chapter covers the following:
 About Audio Meters (p. 593)
 Setting Proper Audio Levels (p. 598)
About Audio Meters
Audio meters display the level of your audio signal in an objective way, helping you to
set consistent levels throughout your program and ensuring that you have sufficient
headroom and dynamic range.
Average and Peak Audio Levels
Before you begin to adjust audio levels, take a closer look at an audio waveform to
better understand how it corresponds to what you hear during playback.
Waveform from an excerpt
of electronic music Average loudness
of track
Peaks