Doing a google search for "md data disc edit" I came up with a couple
interesting links and some curious information. Sorry for the rehash, a lot
of this is very old stuff but I'm still trying to get a clear picture of
what we can do.

This article from the DAT-Heads digest talks about pro MD units simply being
Sony MDH-10 drives with different software. Can anyone confirm this?
http://www.solorb.com/dat-heads/digests/V4.000/D019

The Yamaha MD4 web pages give some good info as well. On this link
http://www.yamaha.co.jp/product/proaudio/homeenglish/pastpro/mtr/mdrec/md4/n
ew.function.html
they give instructions for enabling an older model recorder to use regular
audio discs. It seems that the capability was always there, just not allowed
by some format legislation, and the format standard was changed in August
1996 to remove this restriction. Can anyone else shed more light on what
exactly was changed?

All in all, the Yamaha MD4 FAQ has a lot of good info that gives a hint
about how things work...

The Sony MD Discam FAQ is also informative, but discouraging.
http://www.sel.sony.com/SEL/service/mdcamcorder.shtml
The Discam is incompatible with existing MD-Data and Audio discs. However,
they talk about MD-Data2, and how it is going to be a single unified format
(I.e., they aren't going to artificially split it into data-only and
audio/video-only discs). This is a plus. (Never mind that no one has an
audio application for MD-Data2 yet...) Overall this first attempt at a
Discam looks pretty poor. Using ethernet for the connection is interesting,
but their implementation is incredibly limited. If they had done the right
thing from the start (introduced a standalone SCSI or IDE MD-Data2 drive)
there would be no need for a camera to PC connection, just move the discs
back and forth. Or they could have gone with Firewire/i.Link. It amazes me
to see them diverge into a completely different link technology when they
already have such well established high performance alternatives to
choose...

Finally: I've sent gripes/requests thru Sony's customer feedback email link
asking for MD-DATA and software ATRAC support. Here's the link.
http://www.sel.sony.com/SEL/consumer/ss5/feedback.shtml
Maybe if enough of us ask for it, Sony will wake up and deliver.
Transferring
audio from PC to MD over USB in realtime is a lousy hack when we know the
technology to do it at 5x realtime has been available for over 5 years now.
Let's all whine and beg for MD-DATA2 drives that can read/write raw data at
current CD-writer speeds, or read/write ATRAC'd audio at 16-20x realtime!

  -- Howard Chu
  Chief Architect, Symas Corp.       Director, Highland Sun
  http://www.symas.com               http://highlandsun.com/hyc

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