Re: Post-Compression of ADPCM

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Article #29

#29

From: Dominic Richens
Date: Thu, 29 Oct 1992 21:35

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In article <qBH0sB1w164w@rds.com>, doug@rds.com (Doug Kaye) writes:
! Does anyone have experience with traditional non-lossy algorithms
! such as LZW, run-length encoding, etc., upon digital audio which has
! already been compressed using ADPCM, etc?

Well, I just tried to compress two files create by a Dialogic card, which,
according to the documentation uses ADPCM.  I tried LZW (i.e. the unix
compress) and they didn't compress, however Huffman (i.e. unix pack)
managed to squeeze about 7-8 precent out of them.

dominic
-- 
!@$^&*)($#$@!@#$^&*()_+_)(*&^$#@!$^&*()_+)(*&^$#@$^&*+_(*&^$#@#^&*()&*$#@(*&+_$!
 Dominic Richens  :  dominic@shamin.genie.uottawa.ca  :  Tel. (613) 564 9911 
      MCRLab, Dept of Elec Eng, University of Ottawa, K1N 6N5, CANADA   
"You construct intricate rituals which allow you to touch the skin of other men"

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Newsgroups: comp.multimedia
Path: arc1-ca.pugleaf.net!sparky!uunet!utcsri!torn!cunews!csi.uottawa.ca!news
From: dominic@skaro.genie.uottawa.ca (Dominic Richens)
Subject: Re: Post-Compression of ADPCM
Message-ID: <1992Oct29.213506.27675@csi.uottawa.ca>
Originator: dominic@shamin.genie.uottawa.ca
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Date: Thu, 29 Oct 92 21:35:06 GMT
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