On Sun, 11 May 2008 02:17:40 +0900, Manbow Papa wrote:
> Wowow has been producing HD anime shows with 5.1ch audio for
> years. I think it was especially effective in "Ghost Hound".
Ghost Hound had magnificent audio effects. The eyecatch had me looking for
my phone twice, because I used to have that ring-ring sound as my ringtone
on my previous mobile.
> When I watched an HDTV program on my new big LCD TV for the
> first time, I was shocked by its poor color. Now I know that
> my LCD TV needs 10 - 20 minutes to warm up to produce best
> color image. I spent hours to adjust the image and color
> mapping and I finally got the picture that satisfies me.
> Still, I prefer the color of the old 32" tube that the new
> LCD TV replaced.
Depending on the LCD, they usually have much worse picture than CRTs when
it comes to colour depth. SD (non-HDTV) shows usually look much worse than
on CRTs, too, because too many LCDs insist on using smoothing filters you
usually can't disable when viewing non-HDTV content.
> My LCD TV is double speed (120 frames per second) full HD with
> many enhancers and NRs. My sister was surprised and said, "whao!
> this looks much like a big photograph than a TV."
I find it interesting that 120Hz is mentioned with LCD - this usually only
applies to CRT and plasma displays. LCDs don't really have a refresh rate
as such, with them the most im****tant characteristic is speed, which is
measured in ms.
> However, I sometimes observe flaws espacially in SD contents
> and quick motion pictures. I suspect that this is caused by
> either the interlace to progressive enhancer or the double
> speed processing. When camera is panning, the picture loses
> sharpness and I see tiny B&W stripes on moving parts of the
> picture. Maybe, I should blame the recorder I'm always using.
There's several possible explanations - one is, as you said deinterlacing.
This is very hard to get right automatically, because many shows mix
different types of interlacing (true 60 fields per second with 24 FPS
telecined to 29,97FPS NTSC uses), so there will always be some artifacts
left.
Another thing that you may be seeing is the LCD cheating on it's response
time - most LCDs nowadays delay the picture by a few frames so that their
electronics can overdrive the display elements. Normally, when a pixel
changes colour, you'd have at first eg. black pixel, which would change to
dark red in the next frame, however doing this directly is slow, and you'd
be able to see ghosting, so instead the LCD goes from black to bright red,
which it gradually then changes to dark red you expect. This works,
because
it's faster for the LCD to change between extreme brightness positions. It
never actually reaches bright red, because it's response is still not fast
enough for that, but it is sometimes possible to see that the pixel was
too
bright for a moment - and this is the easiest to notice during panning.
--
< ender ><><><><><><><>◊<><><><><><><>◊<><><><><><><>< e at ena dot si
>
Because 10 billion years' time is so fragile, so ephemeral...
it arouses such a bittersweet, almost heartbreaking fondness.
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