Re: LZW compression

From: { brad brace } (bbrace@WIREDMAG.COM)
Date: Wed May 08 2002 - 14:56:49 CDT

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Message-Id: <200205081851.g48Ipn723766@sitelicense.arizona.edu>
Date:         Wed, 8 May 2002 11:56:49 -0800
From: { brad brace } <mailto:bbrace@WIREDMAG.COM>
Subject:      Re: LZW compression
To: mailto:IMAGELIB@listserv.arizona.edu

<pre> At 12:24 PM -0400 5/8/2, Real, Will wrote:
>I have read that the Unisys patent on LZW compression will expire soon (ca.
>2003). If this is so, I am curious whether readers of this list would
>consider TIFF with LZW compression a viable archival file format for images.
>The question in my mind is whether we expect the LZW format to be widespread
>enough that TIFF/LZW files can be accessed and read in the relatively far
>future. If not, are there other lossless compression formats that might be
>considered for long-term storage?

Right. Proprietary file formats will continue to be a problem, with the exception, I suppose, of open-source ventures... Is the PDF format (choice of lossless or lossy), a viable option for archivists?

--
brad brace <mailto:bbrace@wiredmag.com>
prepress specialist
wired magazine, sfo
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