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Valid points. As I understand MD technology the laser has to heat up a
certain spot on the disc so that the magnetic head can write to that
specific spot. Like you guys said, the laser will then have to be more
powerful to heat up a certain spot faster to the right temperature (since
the platter is moving faster). My question then becomes: Will this decrease
the life of the disc, since it gets used in a lot more stressful
environment?

Gerard Naude
E-mail: [EMAIL PROTECTED]


> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
> Behalf Of David W. Tamkin
> Sent: 14 September 2001 03:15
> To: [EMAIL PROTECTED]
> Subject: Re: MD: recording not in realtime?
>
>
> | At the end of the day ATRAC is just a big math algorithm. The speed at
> | which the algorithm is applied does not matter.
>
> It does for processing power, and as Graham Baker has pointed out, for the
> write mechanism to keep up.  But please read on; Gerard continued,
>
> | The only other
> | limit I can think of is the speed at which the platter of the
> actual disc
> | can be spun, but considering most MD players/recorders use a buffer, it
> | means that they spin the disc faster than 1x anyway.
>
> It's not MD writing but rather the signal that has been limited to 1x.
> There already, before Net MD, have been ways of writing to MD faster than
> 1x, such as copies between MD-B5s, track moves on an MDS-W1, or CD-to-MD
> copying on combo units.  The trick was that the data did not go over a
> regular cable nor, except with the B5s, even between devices.  An analog
> transfer or an S/PDIF transfer is a relatively narrow tube through which
> audio can move only at 1x, no matter how fast the source can try
> to pour it
> in or the destination can try to empty it.

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