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000404_owner-lightwave@webcom.com_Fri Jul 21 14:55:37 1995.msg
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Date: Fri, 21 Jul 95 16:59:22 -0500
From: Dennis R. Harp <harp@physics.purdue.edu>
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To: lightwave@webcom.com
Subject: Flyer Output
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My last post completely vaporized, but that's ok, I'll just
wait for the relevant review in VTU. My current topic is one that
hasn't vexed me lately, but has never gone away, and I've never
gotten satisfactory answers, so I wondered if any of you know.
When I digitize S-VHS video to a Flyer drive, Flyer
playback looks like 2nd generation VHS quality. On my dealer's
system, I digitized quite a bit of BetaCam SP material, and his
drives played back video that looked good, but there was obviously
a lot of chroma noise added to the signal. A producer/engineer I
talked to later said he found no noise in the luma part of Flyer
playback, but that he was getting at least 10 db of noise
introduced into the chroma part of the signal.
My dealer had no trouble spotting the decrease in quality
of digitized BetaCam SP material, but said he had seen Flyer output
at shows that was of stunningly good quality. The best he knew was
that it might depend on the specific hardware characteristics of
the individual systems.
Do a large percentage of you Flyer users find a noticeable
decrease in signal integrity? If this is a universal problem, does
anyone know if this will be remedied in the future? Or, if there
is a critical mix of hardware components that results in great
video, what's the mix? In a back issue of Digital Video, a
non-linear shootout revealed that Flyer output was just about the
best one could get in today's market. Given my experiences, I
didn't quite know what to think about this.
Thanks for any info.
Dennis Harp
National Physics Outreach
Purdue University
--
Dennis R. Harp <harp@physics.purdue.edu> sent this message.
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