Re: [Avid-L2] Re: 48000 vs. 48048 and Sound Drift

The helpful chimes in the carillon of Avid-L2 expertise have begun ringing. Truly a great resource, this list.

Thanks,

David
David Dodson
davidadodson@sbcglobal.net
818-541-1225
818-523-0905 mobile

________________________________
From: oliverpetersvidy <oliverpeters@oliverpeters.com>
To: Avid-L2@yahoogroups.com
Sent: Tue, November 24, 2009 7:36:30 AM
Subject: [Avid-L2] Re: 48000 vs. 48048 and Sound Drift

> David Dodson wrote:
> Does this make technical sense?

Yes. The files are NOT going through the necessary pulldown. The picture is being slowed from 24 to 23.976, but the sound is not, because it is already at 48kHz. When you record at 48048, it goes through a sample rate conversion to 48, which slows the files and holds it in sync.

I haven't worked with these in Avid, so you should check to see if there's an Avid way to induce the pulldown with BWAV. Maybe Job or Bouke can chime in on this one. Also check 24p.com as Michael has some posts related to double-system sound and BWAV files.

- Oliver

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