On 15 Mar 2000, Stainless Steel Rat wrote:
Hi,
> * "Magic" <[EMAIL PROTECTED]> on Wed, 15 Mar 2000
> | Possibly it would, although it may need to be a rather faster ATRAC.
> | Remember this whole thread started because I suggested that it would be
> | better to implement ATRAC encoding at the PC rather than at the MD because
> | it would free up the USB bus.
>
> USB 1.1 maxes out at 12Mb/s (bit vs. Byte), or 90MB/minute. A 74 minute CD
> is 640MB, or ~8MB/minute. Kick the math around and, after you figure in
> something like a 5% loss due to overhead, you can dump raw, 16-bit PCM down
> the USB pipe about 10 times faster than real-time playback. Encoding on
> the host machine saves you nothing.
I disagree, the original point was to be able to transfer to MD at
several times normal speed. If you have to "record" at higher speeds, the
servos and laser need to have greater accuracy, and as somebody
from Aiwa mentioned, increase a lot the price. Not to mention if it has to
encode data additionally...
I guess the most viable way will be a special data unit, that has
only to write already encoded data to the MD with no or little encoding.
greets,
*****---(*)---**********************************************---------->
Francisco J. Montilla System & Network administrator
[EMAIL PROTECTED] irc: pukka Seville Spain
INSFLUG (LiNUX) Coordinator: www.insflug.org - ftp.insflug.org
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