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Slowing down Audio from 24fps to 23.98fps (Origin: Film... Dest: NTSC DVD)

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rdomalpalli
Slowing down Audio from 24fps to 23.98fps (Origin: Film... Dest: NTSC DVD)
on Apr 29, 2006 at 3:44:51 pm

Hi All,
I have film originated Audio at 24fps, and I'd like to slow it down to 23.98fps so that I can author NTSC DVD's.
Could you tell me how to accomplish this? Preferably in FCP ... and if not, in any other program...

Thanks,
Rajnesh


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Noah Kadner
Re: Slowing down Audio from 24fps to 23.98fps (Origin: Film... Dest: NTSC DVD)
on Apr 29, 2006 at 4:55:59 pm

Have you tried syncing it already- normally this is not an issue.

Noah


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rdomalpalli
Re: Slowing down Audio from 24fps to 23.98fps (Origin: Film... Dest: NTSC DVD)
on Apr 29, 2006 at 5:20:49 pm

Yes, we have tried syncing it. The lenght of the Reel is about 18 minutes, and we get a couple of frames difference (between Video and Audio) by the end.

Regards,
RD


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Noah Kadner
Re: Slowing down Audio from 24fps to 23.98fps (Origin: Film... Dest: NTSC DVD)
on Apr 29, 2006 at 6:39:38 pm

I'd suggest Audacity- good open source sound editor or Soundtrack Pro if you've got it.

Noah


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rdomalpalli
Re: Slowing down Audio from 24fps to 23.98fps (Origin: Film... Dest: NTSC DVD)
on Apr 29, 2006 at 7:24:23 pm

Thanks so much Noah... I'll try them both.

Regards,
Rajnesh



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rdomalpalli
Re: Slowing down Audio from 24fps to 23.98fps (Origin: Film... Dest: NTSC DVD)
on Apr 30, 2006 at 6:42:22 pm

I got this reply in the Protools Post Forum, and I thought I'd share it with everyone here:

best way to do this is with an external clock, a sync i/o and engage .1% pull down. you can also use a USD.

another "down and dirty" way, if you don't have the above is :

create a new 23.97 (or 29.97) 48k session. import the 24fps tracks and apply SRC to them. for SOURCE SR select 47952Hz as your source. this will pull it down (make it longer) to 48000.


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