>d_ruether@hotmail.com (Neuman - Ruether) wrote in message
news:
<3e9190c5.429468@newsstand.cit.cornell.edu>...
>> On 6 Apr 2003 19:29:31 -0700,
cyberwebstuff@mail.com (Lee
>> Fentress) wrote:
>> >Ok, eeeeeverrybody back to
>> >http://www.livingwaterfellowshiptn.com/lee/new_page_2.htm
>> >
>> >Check it out and see if you can help me out
here. :) I'm surprised no
>> >one else has ever had this same problem before.
>> These frame-grabs look normal to me for those from
>> low-end Mini-DV 1-CCD models... Unprocessed, this
>> is what minimal-pixel-count-for-the-format gets
you.
>> The stills will be "unimpressive" from
this level of
>> gear, but on a good TV, the video should look
>> pleasant and fairly good (in good light). Remember
>> that not only are computer displays different from
>> TV-display (and will look worse than TV for video),
>> but the display software is also not necessarily
>> showing the actual quality (resolution or
frame-rate)
>> of the original stored on the computer. The test:
>> record some computer info back to a camcorder and
>> compare it with the original, played to a TV - you
>> should see no difference... For a comparison of the
>> unprocessed still tape images (frame-grabs) from
>> various model levels in the Sony line, go to:
>> www.David-Ruether-Photography.com/camcorder--comparison.htm.
>> David
Ruether
I looked at more of the web images, and quote below
what "Fentress" says there...:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"here's a summary of my prob:
look at the pics above. :) (of course that explanation
doesn't say anything to someone like my dad--he practically thinks it looks
perfect)
basically what I'm getting is pixelation, blocking
artifacts... and then you should see it when it actually plays-- all around the
edges of anything like people's arms or chairs or whatever the pixels are fuzzy
and jumpy, sort of. like, like the edges are pixelated fuzz that is constantly
jittering about. And then someone in the distance will walk by, and they'll
have this blurry grayish thing sticking out the side of their head, only it's
just pixelated fuzz that is probably just a mixture of their hair with the car
behind them -- that soft of thing. I don't know, but it's horrible. I expected
to plug a digital camcorder (this one being a sony dcr trv19 I believe) and
download crisp quality video into my computer which I could edit and the put on
a DVD, but nooooo, I get this instead. ah well, maybe someone can help.
ok, new update guys. I figured most of you would be coming
here anyway from my last post. I played back one of the avi's on my pc through
the firewire through the camcorder and into my tv, and then I compared it with
the video on the tape in the camcorder playing through my tv, and by looking
really close like at the edges of houses and cars, I could see that same
pixelation even on my tv (which is only like a 13-inch tv) so I'm wondering. is
this a problem with camcorder resolution, CCDs or something? I'm recording in
SP. so I don't get it. now of course there is the possibility that this is just
my imagination, so please please come up with any other explanations you can
think of. thanks! :)"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
There is nothing unexpected in the stills - the
"stairstepping/jaggies" on edges are an artifact
of Yx480-line capture, and with greater motion
the alternating lines of the two fields shot at
different times but displayed at the same time
on computer will also show a "comb" effect on
edges.
This is normal for a PS-mode display of interlaced
TV material. On a TV, the scan-line "jaggies"
may still show with motion, but the "comb" edges
will not, since the TV scan lines are properly timed
to avoid this. The original and output/input footage
should look the same on either the TV or the computer
(unless changes have been made during editing), but
not the same on both... BTW, this issue is in the
top three of ones we get a lot of questions on...;-)