System information
Applying mute automation
1.  Select an audio track.
2.  From the Insert menu, choose  Audio Envelopes,   or right-click in the track list and choose 
Insert/Remove  Envelope from the shortcut menu.
3.  From the submenu, choose  Mute. A check  mark is displayed next to the command, and an envelope 
is added to the  timeline.
Mute automation is either on or off with no fade between the on and  off states. If you want to use 
fades, apply volume automation.
4.  You can adjust the automation  by editing the envelope in the timeline  or by clicking the Mute  
Automation button   in the track header. For more information, see "Adjusting Envelopes" on 
page 266.
The button behaves differently depending on the track  automation recording mode. For more 
information, see "Recording Track Envelope and Keyframe Automation" on page 270.
n  When  the track automation mode is set to Off,  the button mutes the entire track.
n  When  the track has a mute envelope and the track automation mode is set to  Read, the 
button  changes state to reflect the envelope setting during playback but cannot  be adjusted.
n  When  the track has a mute envelope and the track automation mode is set to  Touch or 
Latch, the button edits  the envelope setting at the cursor position.
When you apply mute automation to a track,  it's possible to have a track that is muted and soloed 
simultaneously  if you use the Mute   and Solo   buttons in the track header. The mute state 
overrides the solo state:  
n  If a  track's Solo button  is selected, the track is included in the solo group, but it will be muted  
whenever the mute automation is set to mute the track.
n  If the  track's Mute button  is selected, the track is muted regardless of the mute automation 
settings.
Applying volume or pan automation
1.  Select an audio track.
2.  From the Insert menu, choose  Audio Envelopes,   or right-click in the track list and choose 
Insert/Remove  Envelope from the shortcut menu.
3.  From the submenu, choose  Volume or Pan. A check mark  is displayed next to the command, and an 
envelope is added to the timeline.
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