Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!mcsun!ukc!cam-cl!news
From: nbvs@cl.cam.ac.uk (Nicko van Someren)
Newsgroups: comp.compression
Subject: Re: Sound compression
Message-ID: <1991May25.110348.22319@cl.cam.ac.uk>
Date: 25 May 91 11:03:48 GMT
References: <1991May24.083409.20528@looking.on.ca> <91May15.140250edt.750@neuron.ai.toronto.edu> <105539@sgi.sgi.com> <1991May23.123202.18335@cc.tut.fi> <1991May23.215341.7836@nntp-server.caltech.edu> <1991May24.144519.4129@ux1.cso.uiuc.edu>
Reply-To: nbvs@cl.cam.ac.uk (Nicko van Someren)
Organization: U of Cambridge Comp Lab, UK
Lines: 16

In article <1991May24.144519.4129@ux1.cso.uiuc.edu> mcdonald@aries.scs.uiuc.edu (Doug McDonald) writes:
>
>It is true that you can do some really radical things to audio in the
>analog domain -- like screwing up the phase-versus-frequency linearity --
>without audible effect, but that does not reduce the information content
>of the signal.
>
If you can screw up the phase you can half the information content by storing
the amplitude but not the phase from the frequency domain.  You will probably
want to randomise the phase at the other end so as not to get clicks on
playback.

Nicko
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| Nicko van Someren, nbvs@cl.cam.ac.uk, (44) 223 358707 or (44) 860 498903    |
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