
108 Audio File editing
The tool gives an answer to the question: "How often does a given loudness (vertical scale,
in dB) appear in the whole file?". The percentage figure is relative to other peaks. Some
simple examples:
1. If, for instance, you have a sine of 0 dB / 2 second followed by a sine of -6 dB /
2 seconds. This means the global audio material has as much 0 dB material as - 6dB
material: you will see 2 peaks (0 / -6 dB), each at 100%.
2. If, for instance, uou have a sine of 0 dB / 1 second followed by a sine of -6 dB / 3
seconds. This means there are 3 times more -6 dB material than 0 dB material. You
will see a peak of about 33% at 0 dB, and another peak of 100% at -6 dB.
This analysis is useful for learning about how the loudness of your music is distributed.
You can access this dialog in the Wave File Workspace via Analysis > Loudness distri-
bution....
For an explanation of each parameter and interface feature, click on , or the 'What's this?'
question mark icon. For more information see Getting Help
Related topics
Loudness
5.3 Metering
WaveLab contains a variety of audio meters to help in monitoring and analyzing audio.Meters
can be used to monitor audio during playback, rendering, recording and also to analyze a
specific selection of audio. There are seven different audio meters in WaveLab, each with
its own separate window. The meters are accessed via the Meters menu, the Shared Tool
windows menu, or from the Meters control bar.
Monitor Modes
You can choose the audio source and the mode for displaying information in the meters.
You can access the following monitoring functions from the Meters menu or via the Meters
command bar:
Monitor Playback - the meters display the audio output of the Master Section
after the dithering section, unlike the Master Section's own meter.
Monitor Audio Input - the meters display the audio input you have chosen in the
Audio Streaming Settings. This is useful for monitoring audio while recording.
Monitor File Rendering - the meters display what is being written to disk during
file rendering, taking into account Master Section settings, with average, minimum and
maximum peak values computed. After rendering, the meter(s) freeze, and remain frozen
until you refresh or change the monitor mode.
WaveLab 7
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