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AUDIO conversion/stretch rate for 29.97 fps to 23.976

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Jorge RosadoAUDIO conversion/stretch rate for 29.97 fps to 23.976
by on Oct 25, 2012 at 8:23:41 pm

I'm converting my footage from 29.97 fps to 23.976 in after effects using Magic Bullet Frames plus but I'm having problems with the audio sync. What do I have to do to sync my audio with the video in its new frame rate?


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Walter SoykaRe: AUDIO conversion/stretch rate for 29.97 fps to 23.976
by on Oct 26, 2012 at 3:56:01 pm

Is the duration of your video changing? (It shouldn't be...)

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
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Jorge RosadoRe: AUDIO conversion/stretch rate for 29.97 fps to 23.976
by on Oct 26, 2012 at 6:05:35 pm

It is, I'm following the instructions on the red giant tutorial video: 1. Interpret footage and drop frame rate to 23.976. 2. create new Comp with the video in its new frame rate and 3. Apply frames plus to the video.

Is there a better way to do it?


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Dave LaRondeRe: AUDIO conversion/stretch rate for 29.97 fps to 23.976
by on Oct 26, 2012 at 7:41:33 pm

I'd double-check those instructions. I think you got them wrong.

You don't do a frame rate conversion by first conforming frame rates. That's the whole point behind CONVERTING as opposed to CONFORMING: you don't change the footage's duration, you change the frame rate. Conforming footage by necessity changes the duration. Something's fishy here.

Dave LaRonde
Former Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Fernando AcevedoRe: AUDIO conversion/stretch rate for 29.97 fps to 23.976
by on Oct 29, 2012 at 5:32:43 pm

I'm getting the same results Jorge is getting has anyone figure this out? -Fernando Acevedo Rosado Port St. Lucie FL

HASTA LA BYE BYE!


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