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Re: 2.25 hrs. @ 4.7
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Re: 2.25 hrs. @ 4.7

> From: "Perry Cowen" <email@hidden>
> To: <email@hidden>
> Subject: 2.25 hrs. @ 4.7
> Date: Sat, 15 Dec 2001 10:57:28 -0600
>
> I was told that the maximum compression that should be used with DVDSP is
> 4.7. With that, you are supposed to get about 2.25 hrs. of video on a 4.7GB
> disk.

Well, not quite true - DVDSP can handle any encode rate that produces
viewable MPEG streams, as long as the encoder makes proper stream files.

>
> The only way I've been able to get close to 2 hours of footage onto a 4.7GB
> disk is to encode down to 4.0; and, of course, that's looking pretty grainy.

You SHOULD be able to do this at 4.5 Mbps - if you use Dolby Digital AC3 @ 192K
>
> I've tried exporting to MPEG-2, right from FCP 2.0; and I've tried exporting
> FCP as a FCP Movie, and then opening that movie in Quicktime, and then
> exporting as MPEG-2. It doesn't seem to make a difference.
>
> Does anyone know how to get more material on a disk with a better
> compression?

Perry - for sure, reduce your audio bandwidth needs by using A.Pack
to compress inot AC3.

Once you exceed the video capabilities of the QuickTime Software encoder,
you usually start looking around for a hardware card capable of
better results - choices? these, for Mac:

Digital Media Press (only 2,4,6,8,Mbps CBR from DV)
Media Press Pro - Composite, Component encoding from video tape or QT movie $3K
Media Press Pro SDI - same, but with SDI, AES-EBU inputs, $6K about
Sonic SD-1000 - SDI in out - high quality encoder $10,000!

in order of expense..


>
> Thanks in advance for any help anyone can offer.
>
> Perry Cowen
> Maverick Productions, Inc.
> www.maverickvideo.com

--
regards - Bruce

Bruce C. Nazarian, MPSE - "the DVD Guy"
Apple Solution Expert - Digital Media and DVD
mailto:email@hidden

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