Another question that exposes my ignorance yet again - last month someone
explained to me that ATRAC 3, which is being used in the new LP MD
players/recorders, is the logarithm used in the Sony memory stick. Cool.
Now.. what were ATRAC 1 and 2 again? Which of these is used in the bulk of
the (SP) MD audio units out there?
I'm aware that the basic audio ATRAC logarithm we all have in our audio
equipment from sharp 702s, 722s and 831s to sony MZR 37s, 55s, 70s and 90s
to JE 330s and 520s has different versions, later models having improved
versions, and each manufacturer has their own name for these different
versions, with sony ATRAC 1, 2, 3, 3.5, 4, 4.5, and R (so far). But I'm not
referring to these different versions of the standard (SP) ATRAC - am I
right in thinking that ATRAC 3 is a different logarithm altogether (in due
course having its own versions, but incompatible with the current LP ATRAC
logarithm)?
richard
-----Original Message-----
From: David W. Tamkin [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, 8 August 2000 4:48 a.m.
Cc: [EMAIL PROTECTED]
Subject: Re: MD: ATRAC3 -- Friend or Foe of MD?
JCR Davis asked,
| Okay, I'm a bit late, but I just read a very little bit about
| Sony's ATRAC3. Can someone explain how this will affect MD? Also,
| what does the following mean in plain-speak? "Because of its
| affinity in filter bank structure, ATRAC3 is easy to transform to
| ATRAC, and hence, is the most suitable for MD applications in the
| future."
For starters, new machines coming out from Sony and JVC this month use
ATRAC3 to provide LP2 and LP4 modes at lower bit-rates than ATRAC.
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