The channel control area to the left of the waveform in the Audio Editor allows you to select channels, and to mute and solo single channels of multichannel audio files.
- Mute
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Mutes the channel cluster. This only affects playback, not rendering.
- Solo
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Solos the channel cluster. This only affects playback, not rendering.
- Fold/Unfold Channel Cluster
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Switches from expanding to reducing the space for individual channel clusters, and vice versa.