Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!rutgers!maverick.ksu.ksu.edu!uafhp!kcampbel
From: kcampbel@uafhp.uark.edu (Keith Alan Campbell)
Newsgroups: comp.sys.amiga.programmer
Subject: Data compression and storage formats
Keywords: DAT, backup, data compression
Message-ID: <6734@uafhp.uark.edu>
Date: 17 Jun 91 02:38:58 GMT
Organization: College of Engineering, University of Arkansas, Fayetteville
Lines: 14


As developers of the AD1016 digital audio system for SunRize, we have looked at
several methods of backing up the enormous data requirements of digital audio.
On the Mac, one of the solutions used by similar systems is to encode the audio
data and other files onto the DAT being used as the master recording deck. I
assume that there is some data compression being done on the file, as well as 
duplication of file information to avoid error conditions. Does anyone here on
the net have any ideas concerning the use of standard or non-standard           compression schemes (including Reed-Solomon, tar, etc.) that would both speed up
effective transfer rates (uncompressed files would be transferred at 96k 16 bit 
words per second) and add data integrity? Compression schemes could be  
accelerated through the use of the board's DSP chip if necessary.

Don Kennedy
Vision Quest Systems