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From: rjc@wookumz.gnu.ai.mit.edu (Ray Cromwell)
Newsgroups: comp.sys.amiga.advocacy
Subject: Re: The Amiga's Future
Message-ID: <1991Jun19.073024.3841@mintaka.lcs.mit.edu>
Date: 19 Jun 91 07:30:24 GMT
References: <1991Jun18.104100.12869@marlin.jcu.edu.au> <1991Jun18.131000.29178@news.iastate.edu> <66@ryptyde.UUCP>
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In article <66@ryptyde.UUCP> dant@ryptyde.UUCP (Daniel Tracy) writes:
>Responding to the following:
>
>"It is also no secret anymore that Commodore is going to fully adopt
>the MPEG standard for full-motion video, so where does this fit in?  Do
>you think Commodore is going to build MPEG decompression capabilities
>into the chipset, or will they merely include an MPEG chip with Amiga
>systems?  (Just as good, but somewhat less exciting)"
>
>Well it's too late for Commodore to become the first. The Macintosh OS is
>the first to have JPEG and MPEG compression/decompression built in (in the
>File Manager level, so present applications work with it). :-)

 I doubt it has MPEG built in, maybe JPEG, but certainly not 
"reeal-time decompressing  JPEG" Even with a Mac IIfx it wouldn't
be real time, so it's not much use for anims (e.g. Quicktime)
Of course, Apple could always brain-damage the JPEG algorithm and
trade off compression ratio for decompression speed, but at this point,
delta compression starts to look goo.

BTW, if you didn't know, if Commodore OEMs a MPEG chip, it won't
be software driven, it will be hardware, and the #1 application would be
CDTV. Normal Amiga's with harddrives can already play back anims faster
than CDTV, MPEG's greatest use is on CDTV where CD-ROm access time
is the bottle-neck. Please, show me some QuickTime code that
uses the built in "MPEG". Perhaps Apple has "hooks" for it's future
addition, but I doubt the actual algorithms are there, since it's not
started in their QuickTime press release.

 And who cares who's first? Jeez, if C= got MPEG 6 months from now
it wouldn't make a difference to the Amiga market, it would however
cause some trouble in the CDTV market if CD-I had MPEG and CDTV did not.


--
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