RE: MD: Applications of MD Data2

1999-10-11 Thread Simon Mackay


BEGIN
QUOTE===
I've been a proponent of extending considerably the recording time of
minidiscs for quite a while now.  I'm not talking about getting 80 minutes
from a disc but how about several hours?  With Sony's unvailing of the MD
Data2 format which is a 650 MB variant of the original 140 MB minidisc, I
am excited that my wish may become a reality.  See the MD Community Page
for details.
DAT has long been a standard in live recording and archiving anything
acoustic.  The implication of an MD with greater storage capacity, and its
implication on the DAT community has been discussed here and on the DAT
list several times.  If Sony can make this technology feasible, then MD can
become a standard for live recording and thus open new markets.
==END QUOTE=

By supporting an Audio MD variant of the MD-Data2, Sony could release a
"disc-based" recording alternative to DAT which has a selection of recording
modes, ranging from 74 minutes of stereo linear-PCM audio for CD mastering
to 296 minutes (nearly 5 hours) of stereo ATRAC audio or 492 minutes (just
over eight hours) of mono ATRAC audio. This would lead to a very flexible
Extended Density MiniDisc catering to concert recording, conferences, muzak
applications, listening devices (surveillance), in-flight entertainment, and
even having more time to pack variety into our "choice cuts" compilation
recordings.

When used with changers like the Sony MDZ-65 or the Sony DHC-MD555, you
could have a huge collection of music on tap, especially if you use the
shuffle-play mode.

With regards,

Simon Mackay

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Re: MD: Applications of MD Data2

1999-10-09 Thread RJ Kirkland


Dirty Dingus Magee wrote:
 I know MD Data technology is incompatible with audio MD units but
 I believe that if Sony wants to, they could develop a professional type
 unit that could compete with existing but antiquated technology thereby
 placing themselves in a favorable market position and benefiting consumers.


It's my impression that ATRAC as used in MD is a lossy compression
system.  I doubt many pros would want to start out with a lossy system. 
They might not mind publishing in such a format, but they would like to
retain as much info as possible until committed to final form.

ted
MD Audio uses ATRAC MD Data does not have to use it. It can be used, but if
a pro would like to keep the complete digital integrity of the original
sample they certainly could using MD Data. As to Dingus, Sony is NOT
planning on supporting MD-DATA2 as an audio format, that doesn't preclude
someone from creating a pro deck that can support the new format and use it
as data, it just means that you shouldn't expect to see any consumer
products that support a 650MB audio MD. The differences between the Audio
MD and the Data MD as far as the drive reading it is concered is just one
of the holes on the disc case, but it is upto Sony whether they will ever
allow a higher audio disc.

RJ K
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Re: MD: Applications of MD Data2

1999-10-08 Thread Edward Gosfield III


Dirty Dingus Magee wrote:
 I know MD Data technology is incompatible with audio MD units but
 I believe that if Sony wants to, they could develop a professional type
 unit that could compete with existing but antiquated technology thereby
 placing themselves in a favorable market position and benefiting consumers.


It's my impression that ATRAC as used in MD is a lossy compression
system.  I doubt many pros would want to start out with a lossy system. 
They might not mind publishing in such a format, but they would like to
retain as much info as possible until committed to final form.

ted
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