Re: Best Recordable Port'MD Player?

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Article #33

#33

From: Mike Glantz
Date: Thu, 16 Jan 1997 00:00

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Giles wrote:
> rock so I listened to quieter types of music that the stores had.  The
> MD was better than conventional cassete tape but to my ears was not as
> clean sounding as the DAT.  Because of the way the compression works I
> gather it has a harder time with quiter music as there is less you can
> discard without it being noticeable.

This is speculation. Based on my limited understanding of the perceptual
coding used, the overall loudness of the material won't affect the
compression. There must be some pathological cases, though (music
where you really can hear the fact that some info has been thrown
away). I'm curious to know what they would be (please, no anecdotes;
it should be easy enough to predict and detect if you know exactly
how the compression is working, and how perceptual masking in
humans operates).

But I suspect that the defects you heard, which were also reported
by many other listeners at that time, were due to "quick and dirty"
implementations of ATRAC. My MZ-R3's performance on low-level material
is stunning, and indistinguishable from the CD source (or from LP
source).

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From: Mike Glantz <mike.glantz@grenoble.rxrc.xerox.com>
Subject: Re: Best Recordable Port'MD Player?
Date: 1997/01/16
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