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Topic:
upsampling on the denon 5900
This thread has 4 replies. Displaying all posts.
Post 1 made on Sunday April 18, 2004 at 19:34
rocketman54
Lurking Member
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the denon dvd 5900 says that it upsamples to 1080i. does this mean that the garden variety dvd's(lotr,braveheart, etc) will look as good as discovery theatre? one guy that i talked to says yes(he's selling the 5900) another guy says no, that the picture can only look as good as the source dvd which is 480dpi.
the guy that says no is selling the marantz dv8400. it upsamples to full resolution 4:4:4:. is this the same as 1080I? because the other resolutions that it mentions that lesser units samples to are 4:2:2 and 4:2:0. could this be the same as 720 and 480? if so then the marantz would probably be comparable to the 5900 at about 500 dollars less.
can anyone help? thanks!
Post 2 made on Tuesday April 20, 2004 at 11:28
Spiky
Founding Member
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May 2001
2,288
On 04/18/04 19:34, rocketman54 said...
the denon dvd 5900 says that it upsamples to 1080i.
does this mean that the garden variety dvd's(lotr,braveheart,
etc) will look as good as discovery theatre? one
guy that i talked to says yes(he's selling the
5900) another guy says no, that the picture can
only look as good as the source dvd which is 480dpi.

Not necessarily. If Discovery is showing a true HD pic that has never been downgraded to 480 lines, then it will almost certainly be a bit better than an upconverted DVD. But if Discovery is upconverting something themselves, they'll probably look the same.

the guy that says no is selling the marantz dv8400.
it upsamples to full resolution 4:4:4:. is this
the same as 1080I? because the other resolutions
that it mentions that lesser units samples to
are 4:2:2 and 4:2:0. could this be the same as
720 and 480? if so then the marantz would probably
be comparable to the 5900 at about 500 dollars
less.

can anyone help? thanks!

I can't remember exactly how 4:x:x works, but that is de-interlacing technology, not upconverting resolution. That is simply changing from 480i to 480p in various ways. Upgrading from 480i or 480p to 1080i is a different step.

I'd hazard an opinion that the Denon will have a better PQ overall, whether outputting 1080i or 480p. There have been some issues with the 5900, though. I haven't followed them since I don't have that machine, but you could search in the DVD forum at AVS Forum.
Post 3 made on Tuesday April 20, 2004 at 18:44
automan1
Founding Member
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April 2002
393
"I can't remember exactly how 4:x:x works, but that is de-interlacing technology, not upconverting resolution."

It has nothing to do with deinterlacing.

4:2:2 means for every 4 luminence samples, there are 2 R-Y and 2 B-Y samples.
4:2:2 has half the chroma resolution of 4:4:4
4:2:0 has only one sample of chroma for every 4 liminence samples.

MPEG2 is encoded using 4:2:0 video, you have no control over this.
'Upsampling' a 4:2:0 image to 4:4:4 does not result in an increase in quality whatsoever.
OP | Post 4 made on Tuesday April 20, 2004 at 19:26
rocketman54
Lurking Member
Joined:
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April 2004
3
thanks for your help. i'm still learning! i just want to know what you get for 2000 carrots!
Post 5 made on Thursday April 22, 2004 at 13:20
Spiky
Founding Member
Joined:
Posts:
May 2001
2,288
See how much I know...I gotta throw away my keyboard. It gets me into trouble.


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