Strange Audio Rate During PAL Capture

I am capturing and doing work with a number of PAL tapes. While capturing footage, I am continually getting an audio sample rate of 47999.6 Hz rather than 48.0 KHz on captures that are long, like an entire tape. I can, if I capture shorter clips, get 48KHz with no problem from the same tapes. When I try to edit with the 47999.6 Hz files, the audio gets progressively more and more out of sync throughout the clip. If I try to output the audio as an .AIF and use Peak Pro to convert it to a 48Khz file and bring it back into FCP, the audio file is shorter than it was and starts in syns but again progressively out of sync. Can anyone explain what is causing the video to come in at 47999.6 and what I might be able to do to prevent it? And if not, any ideas of how I can workaround the issue to make it work?
Thanks!

So what your saying is that even though FCP is set to capture at a rate of DV NTSC 48k, it would still capture what ever signal format that is being sent to it as that original format? IE, if we feed a an audio signal as 96k, FCP would capture the signal as 96k even though our capture presets instruct FCP to capture as 48k? Same would apply to a video signal then? If we fed a DVC50 signal to FCP, it would capture as that despite presets set to NTSC DV?? FCP will not convert formats during capture from a non controlled device?

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But if you're getting distortion when you output your video, it could well be because your audio levels are too high.
As I say in my books, whenever you edit your video, you should go to the Window menu and open the Audio Mixer. Watch your audio levels as you play back your timeline. They should peak at Zero. If they're up in the yellow and red or are overloading the mixer, you are going to get distortion in your video output.
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Hi everyone, I do hope that someone can help me..
in this (for me) important moment..!
I have an Final Cut project, which includes different versions (language,
length, with logos etc )of one movie.
Now I am finishing the English subtitled version and I
haven't yet backed up the finished movie in a tape.
But my Mac, which has continued doing editing for 1 year and half,
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I have stupidly built the project
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any strange problems even though the audio rate was also slightly different.
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1
In general, when you find a clip like this (with strange audio rate )
is it necessary to replace it with a new video clip? What is the cause??
Could it cause problems when I will make a DVD with
DVD studio Pro, exporting Quicktime mov. file into it?
2
To refresh my computer.. (it seems an only solution.. isn't it?)
will it be risky if I bring my Mac to a technical support to have it
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Could it be helpful makink a quicktime DV pal file to save the timeline,
so that I can reimport it in Final in the case of damaged project?
If someone has a good solution..I will appreciate it very much.
Thank you!
Minobu

Hi Al, thank you for the post,
RAM is "1.5GB DDR2 SDRam".
The footage was originally captured into imovie; secondly
it was exported into a cassette. (The project was purely Imovie one
before I started subtitling it with various color and sound correction.)
And then I imported it into a Final. But the process was all complicated;
I had mixed several cassettes to compose one timeline..because
some cassettes from Imovie timeline had dropframes.
I wouldn't be able to refix it anymore..
Now I am trying to export the timeline into Quicktime DV-PAL file,
at least to be able to try making a DVD in DVD studio pro,
and to save the finished movie in someway.
(Isn't Quicktime DV-PAL file re-importable into Finalcut project? Or is ther
any other format that can be helpful for me? )
Grazie,
MInobu

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ÇÇÇ

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Hello, Rick,
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Strange Audio Rate During PAL Capture

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