Adobe AUDITION 3 User Manual page 211

Track Automation Mode menu
Ignores track envelopes during playback and mixdown, but continues to display envelopes so you can manually
Off
add or adjust edit points.
Applies track envelopes during playback and mixdown, but doesn't record any changes you make to them.
Read
(You can preview such changes, but edit points return to recorded settings.)
Records adjustments you make to settings and creates corresponding edit points on track envelopes. Begins
Latch
recording when you first adjust a setting, and continues to record new settings until playback stops.
Similar to Latch, but returns settings to previously recorded values when you stop adjusting them.
Touch
Similar to Latch, but records current settings as edit points when playback starts, without waiting for a setting
Write
to change.
Protect settings when recording automation
When recording automation, you may want to protect certain settings from inadvertent changes. In the Effects Rack,
you can protect entire racks or individual effects; in the Main panel, you can protect individual parameters.
• In the Effects Rack, click the Safe During Write button for either the entire rack or individual effects.
• In the Main panel, click the Safe During Write button
the Show/Hide Automation Lanes button
menu in the automation lane.)
for individual parameters. (To reveal a parameter, click
in the track controls. Then choose the parameter from the pop-up
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User Guide