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Bezier curve on audio nodes
I typically dislike the way FCP uses a bezier curve between audio nodes in the timeline, and yet I can’t find a way to change this setting so that it creates audio levels that change at a fixed rate between nodes.
Suggestions?
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8 Replies
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Those are not bezier curves. They’re logarithmic curves. Audio is logarithmic by nature, not linear.
If you want to decrease your audio by a constant amount of decibels, it will not sound like a constant fade. If you want the perceived volume to fade consistently, the audio curve will not be linear. It’s not FCP, it’s physics.
Arnie
Post production is not an afterthought!
https://www.arniepix.com/ -
thank you. but, back to my original question, can it be done?
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Maybe. You can add audio fades with or without the +3db which I always figured accomplished the same idea. Instead of nodes, split up the track and add 0db audio fades between the sections. Might work.
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FCP is not a sophisticated audio editing device. Why bother adding sophisticated cross fade curves in a machine that can’t edit audio sub frame. Already FCP has enough features to confuse as this forum is a daily testament to.
If you are trying to do finished professional audio on FCP then time to move onto STP as a minumum and preferably to pass the audio onto a pro with a decent DAW like a Fairlight. The first thing I do when I get an OMF from FCP is redo all the fades anyway.
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It can edit audio sub frame. It’s not exactly obvious, but it can.
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[Bret Williams] “It can edit audio sub frame. It’s not exactly obvious, but it can.”
I am talking about sample accurate audio DAWs not fiddling with a system that cuts on frame boundaries. With sample accuracy there are 2000 edit points per frame.
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You can create nodes to the 1/100th and I believe you can slide the audio to the 1/3000th.
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In the user manual, it shows pictures of straight and curved audio keyframes.
https://yfrog.com/06screeny20111021at81336pp
I’m curious about this as well and coming from over a decade of audio engineering I wish that the curve was concave or straight by default and should have handles or assignable curves just like everything else and especially with audio.
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