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From: lightwrx@wonder.ca (Steve Bowie)
To: Multiple recipients of list <lightwave@garcia.com>
Subject: Re: Out to Video
X-Listprocessor-Version: 6.0c -- ListProcessor by Anastasios Kotsikonas
Status: RO
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>At 01:54 PM 12/15/95 -0500, you wrote:
>>
>>>And since the PVR has a direct SCSI-2 connection to its drive, it
>>>outperforms ANY card that sends video over the system bus, and even the
>>>system buses themselves!
>>
>>One thing I would like to append to my message, the pvr does manage to
>>exceed scsi2 speeds when sending output to video. It would have to, as full
>>speed video frames at 30 per second is more than 40 MB per second. I have no
>>idea how it does this, not owning one, but it does. I am pretty sure that it
>>doesnt exceed PCI bus speeds though.
>>
>>Marcus
>>
>Ahhh, except for the fact that the PVR plays >compressed< video. You were
>referring to full uncompressed. The fastest drives available now (including
>mine) stream at far below the SCSI-2 spec. Most are in the range of 6-8
>Mbytes/sec. Mine hovers around 7 Mbytes/sec.
>I've heard a few different numbers regarding uncompressed rates, but the
>most frequent one is 30 Mbytes/sec, given 1Mbyte per frame.
On this subject (HD rates), some may be interested than when you do finally
get your NLE up to 'high' speed, there is another solution coming besides a
RAID array.
Applied Magic (the Broadcaster Elite guys) are advertising a product called
"Quick-Array" which hooks up to any platform using SCSI (AMi/Mac/PC) and
controls a 'mini-array' of 2 (preferably identical) SCSI-2 FAST drives....the
list price is $1299.00 Canadian. I think that's about six bucks US ;)
After installation, the two drives are seen by the system as a single drive,