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You can set volume levels of two or more audio
tracks, relative to one another, using the Audio Mixer. For example,
you can raise the volume of a narrator’s voice on one audio track
while simultaneously decreasing the volume of the background music
on another track. Also, you can raise or lower the overall volume
level of the complete mix, which contains the audio from all tracks selected.
The Audio Mixer lets you make these adjustments in real time while
you listen to playback from desired tracks. By default, the Audio
Mixer volume adjustments made for each audio track are saved in
Track Volume keyframes visible on that track in a Timeline panel.
Volume adjustments made for the whole mix are saved in Track Volume
keyframes visible in the Master audio track in a Timeline panel.
- Select a sequence that contains audio in two or
more audio tracks.
- Select Window > Workspace > Audio.
The Audio Mixer panel appears in the central drop
zone, with each audio track of a Timeline panel assigned to its
own bus on the mixer.
- Choose Latch, Touch ,or Write for all the tracks in the
Audio Mixer you wish to modify.
- In a Timeline panel, for each audio track, click the
Show Keyframes button
 . Then
choose Show Track Keyframes, or Show Track Volume from the drop-down
menu.
- Toward the bottom left of the Audio Mixer panel, click
the Play button
 to play
the sequence and monitor its audio.
- Move the volume slider for any audio track up or down
to increase or decrease its volume as you monitor the sound.
- Move the volume slider for the Master track up or down
to increase or decrease the volume of the whole mix as you monitor
the sound.
Track Volume keyframes appear in each of the tracks for
which you made volume adjustments, including the Master track.
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