Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!munnari.oz.au!metro!cluster!ultima!jeremy
From: jeremy@ultima.socs.uts.edu.au (Jeremy Fitzhardinge)
Newsgroups: comp.graphics
Subject: Re: JPEG algorithm results
Message-ID: <18939@ultima.socs.uts.edu.au>
Date: 14 Jan 91 13:44:54 GMT
References: <1991Jan4.025552.810@allgfx.agi.oz> <1051@gistdev.gist.com> <11547@pt.cs.cmu.edu> <421@rufus.UUCP>
Organization: Mystaecle and Saecret Order of Dagon, Bexley Chapter
Lines: 22

drake@drake.almaden.ibm.com writes:

>In article <11547@pt.cs.cmu.edu> tgl@g.gp.cs.cmu.edu (Tom Lane) writes:
>>Hardware-based solutions will be lots faster, but still not video speed.
>
>Not true; at the MultiMedia Expo at San Francisco in November two vendors
>showed full motion digital video in a window on the Mac using JPEG
>compression.  Thirty frames per second from the hard disk, being decompressed
>and displayed in real time.  The C-Cube chips are capable of compression
>and decompression at 30 fps.

I'm pretty sure I read about Inmos producing a chip that can encode image
data in television quality at 25 frames per second.  Since its a 
British company, I guess thats a 625 line PAL image.  I'm not sure
if it was JPEG, but it certainly used a DCT algorithm.

-- 
Jeremy Fitzhardinge:jeremy@ultima.socs.uts.edu.au jeremy@utscsd.csd.uts.edu.au
                   QUESTION AUTHORITY.    Sez who?
-- 
Jeremy Fitzhardinge:jeremy@ultima.socs.uts.edu.au jeremy@utscsd.csd.uts.edu.au
                   QUESTION AUTHORITY.    Sez who?