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44.1 vs 48 KHz
mystery: sometimes it seems as if a 44.1 audio clip in a 48 KHz timeline requires rendering, sometimes not. I put an audio clip in my 48 KHz Kona SD 8-bit timeline. The audio is 44.1 and requires RE-rendering anytime I move it even a frame. When I shortened the clip it only needed rendering once.
My fix was to Export to .AIFF at 48 KHz, reimport and sub out the old 44.1 clip. Is that the correct procedure?
Thanks.
— Bob C
FCP 5, Mac Pro, Kona LHe
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10 Replies
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Always convert all audio to 48Khz in FCP.
Steve Eisen
Eisen Video Productions
Director-At-Large
Chicago Final Cut Pro Users Group -
[Steve Eisen] “Always convert all audio to 48Khz in FCP.”
What’s the best way to do that?
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QuickTime Pro or iTunes
Cheers
Alexander -
[Alexander] ”
QuickTime Pro or iTunes”Thanks. I guess I was misreading Steve — I thought he meant to convert inside FCP. Do you mean that my procedure (File/Export/Audio to AIFF(s)-choose 48 KHz – import resulting file) is flawed? It seemed to work.
I actually have been quite confused by iTunes, believe it or not. I assume it’s like riding a bike, but if you haven’t seen it done you might never try to get on.
— BC
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If I read you correctly you are exporting the 44.1kHz audio that needs rendering in the FCP T-L (identified by the red bar) as AIFF files that you then set to be converted to 48.00kHz
This is exactly how QuickTime does it, infact it IS QT handling this conversion.
Like you, I don’t like iTunes logic for this, so if you want to convert before FCP editing, open the audio in QT and then:-
QT export >sound to AIFF>Options 48kHz stereoCheers
Alexander -
I push this method every chance i get.
Make a Compressor droplet. Its easy.
Open Compressor. Look in the Presets pane. Open the Folder called Audio Formats. Select AIFF 48/16.
In the File menu select “Save as Droplet”Put in on your Desktop or anywhere else convenient (even drag it to the dock…or the sidebar or top of a Finder window).
Now converting a bunch of CD tracks is a simple drag and drop operation.
Using the Destinations pane, you can select to have them end up on your media drive.
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….yes, but only in Compressor2
Cheers
Alexander -
You can do it in Compressor 1 too….just use the AIFF audio preset from any of the DVD templates.
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Right click on the 44.1 Khz clip(s) you need to convert.
Choose batch export.
Click settings, and choose the appropriate settings, in this case 48 Khz.
Click destination and choose an appropriate place in your file organization for the new file to be created.
Export.
Delete the clip from the browser. (This will not effect the media referenced by the clip. The 44.1 file will be just where you left it.)
Re-import the new 48 Khz file you’ve created into the browser.
Best,
Tom
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Great answers. I really appreciate it.
— BC
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