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Audio can come from audio-only layers or a video’s embedded audio track. Every audible layer contributes to a shared composition mix.

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Signal path

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Control surfaces

Each surface has a different scope. Preview mute silences monitoring; a row mute changes the composition contribution; volume changes the layer gain; fades vary gain over the clip.

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Editorial passes

  1. Assembly — synchronize picture, narration, music, and effects.
  2. Cleanup — trim silence and add short boundary fades.
  3. Balance — establish speech first, then music and ambience.
  4. Automation check — review every long fade and rate-adjusted source.
  5. Output check — listen from first to last frame with all intended rows active.
The editor stores gain as a decibel adjustment. At the minimum value, the conversion returns zero gain; otherwise linear gain is 10^(dB/20).
See Volume, Fades, and Waveforms.