SteveK - Thank you for answering.
Put the cursor at the beginning of the clip's audio track and adjust the volume and then put the cursor at the end of the clip and adjust the volume there.
This we know.
Talves I'm not sabembo a practical way to go to the end of the clip quickly, besides other little things.
The way that works for only audio is quite easy, Stop on the clip, cursor goes to the beginning of the clip, adjust volume, control room, the entire line of audio rises evenly, after releasing the button.
Sometimes need to give, Restore to original volume level, first to work.
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