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ooops wrong audio bit rate, now what?
Unfortunately I digitized a whole lot of footage at an audio bit rate of 24 instead of 16. I’m getting all kinds of hiccups with playback in my sequence which is set at 16 bit. I suspect this is the problem with playback. I’ve also heard that FCP is pretty picky about using 16 bit audio.
Is there a sensible way to convert all of my video clips audio from 24 bit to 16 bit?
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7 Replies
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Hi,
I’m currently using audio that has 24bit integer depth and FCP works fine. If you don’t have loads and loads of footage, one way would be to load up each reel in a sequence send that sequence to Soundtrack Pro and export the audio as 16bit.aif.
Bit time consuming I know but it should work… I’ve done it before!Enge
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Thanks Enge. It is a big project. About 25 minutes with lots of shots and sound bites so I think that’s pretty much the factor. I’m thinking of just exporting the whole program inside of FCP using export audio to AIFF at 16 bit and see what happens. Big work-around, but at this point????
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Yeah, you can do that, make sure you group the channels unless you will get a stereo mix of all your tracks. The only problem with doing that, and it could be a real ballache, is you won’t get any handles, or the option to extend out your audio clips if you need to. If, on the other hand your audio is going to an audio engineer, export it as an OMF with 1 second handles. I would’ve suggested you do this for what you are doing but as far as I know FCP can’t import OMF files!
Enge
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Oh, the other thing is, when you export to AIFF and group channel is allocated, it will give you s seperate file for each track, this means you have to match-up track 1 to file 1 and so on…
How many tracks have you got?
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Lots of tracks. But I’m just knocking in some b-roll on top of the sound bites I’ve already laid in so I’m not too worried about having to mess with the timing yet. So I did a test and exported the entire sequence audio as AIFF 16 bit and brought it back in to see if playback improved. It didn’t, so I’m thinking it’s now something to do with either my system performance or perhaps just the size of the project because I relly haven’t done anything different than I usually do in terms of presets, digitizing, etc. Not really sure what’s going on but thanks for your time anyway.
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WIth your timeline selected hit apple-0 to bring up sequence settings. Change the audio depth from 16 to 24.
Jeremy
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Reckon you should change sequence settings to 24 also…my protools friends love me for it!
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