[Kyle Le] “When I am on P mode, whenever I move clips and overlap each other, one of the clips actually trims by itself. How do I disable this feature? “
Position is like an overwrite, so it will trim. Do you not want to trim? If you want to trim just the video, then expand the clips, and trim one side of the video so the audio will than overlap.
[Kyle Le] ” I have A roll and B roll mixed together and I want to be able to edit B roll without any audio and without having to go through and mute and unmute everything using the v button.”
Use the inspector. Select as many clips as you want that have similar audio channels, choose the audio icon in the inspector, and turn off any channels you’d like. This can also be done before adding the clips to the Project.
[Kyle Le] “Is there a way to raise or lower audio for multiple clips?”
Select them, and hit control plus or minus (up or down).
[Kyle Le] “Is there a way to automatically crossfade audio clips that are next to each other? “
This is new in 10.4.9: https://support.apple.com/guide/final-cut-pro/crossfade-audio-in-final-cut-pro-ver66d503b23/10.4.9/mac/10.14.6
[Kyle Le] ” Is there a setting that the timeline moves along with what is being played? or do. have to move the scroll to the right manually?”
No auto scroll unfortunately. But use the ‘h’ (hand) tool and click and drag the timeline while it’s playing.
[Kyle Le] “Is there a way to group clips together without creating a compound clip? On Sony Vegas, I would just highlight whatever clip and right mouseclick or short gut create new and they would all be together and then remove from when I wanted to separate anything.
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Look up how to use “Secondary Storylines”
[Kyle Le] “Should I disable automatic render? will it affect the heat of my computer or how fast the editing software goes?”
I usually do, but it’s up to you. If you like it, you can leave it on, and yes, it will process files while you are paused, so your computer will work hard when you aren’t. The rendering pauses while you are playing back and working, so it shouldn’t effect overall editing speed.
[Kyle Le] “When I add files to the library thats already on my computer, should I just leave it as they are and not create copies? Will creating copies means more space taken up on my hard drive”
I usually do not create copies if I don’t have to, and I choose “Leave in Place”. Yes, copies will duplicate files so yes, it will take more disk space.
I highly recommend a training program to get you up and running. I like Ripple Training: https://www.rippletraining.com/products/final-cut-pro/warp-speed-editing-in-final-cut-pro-x/