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000354_owner-lightwave-l _Sat Apr 15 14:53:19 1995.msg
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Date: Sat, 15 Apr 1995 12:53:49 -0700 (PDT)
From: Manuel Coats <mcoats@qnet.com>
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To: Gary Fenton <garygfx@cix.compulink.co.uk>
cc: lightwave-l@netcom.com
Subject: Re: Vlab Motion answers
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On Sat, 15 Apr 1995, Gary Fenton wrote:
> melon write:
> >I'm thinking of buying a Vlab Motion Lab but before doing so I have
> >few questions that I need answers to.
> >
> >1. Can you digitize audio by itself without video and can you later
> > add different video clips to previously recorded audio?
> Yes. It's timeline based software lets you add and strip video and audio
> tracks just by dragging them! Audio is handled by Toccata so you can use
> MovieShop (Vlab Motion s/ware) or the Toccata software to sample audio
> alone.
>
> >2. On a vlab partition does each seperate clip have its own file name?
> > so that when you digitize another clip it does not overwrite the
> > previous ones.
> All video is recorded onto a non-DOS HD partition. You cannot access the
> frames via DOS software, but you can save clips/frames from MovieShop as
> JPEG or IFF frames to a DOS partition. You can also save video clips as a
> single file to a DOS partition for storage or backup purposes. But when you
> record a new clip it's stored in the Scene window. You can record as many
> as you like and they'll all given individual names (renameable) and you're
> only limited by HD space. When you start a new project from scratch then
> all the clips are erased, unless you use a different partition.
>
> >3. What are the compression to playback [fps] ratios?
> Everything runs at broadcast resolution and at 25/30fps regardless of
> compression %. You select JPEG compression levels from 1 to 100%, like in
> ADPro 2.0, Photogenics, etc. You can work out video capacities yourself
> from this info. At 50% the data rate is no greater than 1mb/sec and at 80%
> it's about 1.8mb/sec.
>
> >4. What would be the size of a frame [640x480] at 50% jpeg compression
> > on the vlab?
> The same as it would in any other package that supports JPEG! JPEG is a
> standard format.
>
> >5. Can many different video clips be edited and combined into one
> > whole video?
> Unlimited, or limited by HD space to be exact. The timeline can support an
> infinate number of clips and tracks.
>
> >6. Would I be able to play 5 minutes of video [full overscan, 50-60%
> > compression], with sound and no breaks on the following system; SNIP!
> Definately. You could record at a higher quality level if you wanted to on
> your system.
>
> >7. What are the most annoying bugs or problems you have encountered
> > with Vlab Motion ?
> It doesn't save industry standard EDLs at the moment. And it doesn have
> variable real time video and audio playback for pin pointed frames where an
> actor is just about to talk - like you can do with analogue editing suites.
> It's not MovieShop's fault - it's a difficult thing to impliment but I
> think LightWorks (PC) can do this (for $$$$$$!)
>
> >8. Do you think Vlab Motion's output is good enough for broadcast work?
> It outputs YC video at best which is NOT broadcast. There's a YUV output
> module for it but no YUV input module! I would say it's broadcastable, like
> the SVHS medium which is sometimes used for ENG.
>
> Mail me if you want to cut down on non-LW discussions in this mailing list.
>
>
> Gary F.
Have you checked out the Razor software for the PAR? If so I would be
interested in hearing how that and the VLAB compare to each other.
I have not seen either yet.
Manny