state as it will also change automation when the control is changed in some way
during session play back.
But additionally it will overwrite the automation curve with the last
- value that it was changed to until play-back is stopped
- playing.
+ value that it was changed to until play-back is stopped.<br>
+ Latch state is also useful when the user wants Touch-style behavior but is using a device incapable of sending messages to indicate the start and end of the "touch".
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