Re: Blurry tv picture on full screen mode

From: Michael Earls (mearls_at_hotmail.com)
Date: 03/02/05 

Date: Wed, 2 Mar 2005 18:34:04 -0500

It has to do with analog to digital conversion mixed with the differences
between scanline and pixels. It's not a simple answer and might be a good
chance to learn a bit about how we got here.

Start here...

http://en.wikipedia.org/wiki/Cathode_ray_tube 

-- 
Michael Earls
The Cerebral Kitchen
http://www.cerkit.com/
"christo" <christo@discussions.microsoft.com> wrote in message 
news:EB30D9E0-22C2-478C-97FF-1EC697047D14@microsoft.com...
> If I watch tv on a 19" television it's sharp.  Why wouldn't it be sharp on 
> my
> computer? I would expect the same image on my 19" flat panel to be the 
> same
> as it would be on a 19" televsion.
>
> "Bob [MVP]" wrote:
>
>> The resolution of the TV picture is approximately 640x480.
>> If you have your monitor resolution set to 1280x1024,
>> then a 1/4-screen-size TV image will be displayed at
>> its full resolution.
>>
>> If you now magnify that picture to fill the screen,
>> it's going to appear either more blocky, blurry, or a
>> combination of the two.
>>
>> The quality of the up-sampled image may depend on your
>> decoder and video hardware.  But in general, the more
>> you zoom in beyond the native resolution of the image,
>> the worse it will look.
>>
>> -- 
>> -Bob
>> _______________________________
>> Microsoft MVP
>> Windows XP Media Center Edition
>> http://www.microsoft.com/ehome
>>
>>
>> "christo" <christo@discussions.microsoft.com> wrote in message 
>> news:B3290530-7D26-4962-8970-54A3E1D4757A@microsoft.com...
>> > Running xp media center, p4, 1 gig ram, nvidia geforce 5600.  When I 
>> > watch tv
>> > on a window about 1/4 the size of my 19" flat panel, the picture 
>> > quality is
>> > very sharp.  When I watch on full screen mode, the picture is blurry. 
>> > With
>> > that much power/memory, I should get a sharp picture.  What's wrong? 
>> > Thanks
>>

Relevant Pages

  • Re: Blurry tv picture on full screen mode
    ... If I watch tv on a 19" television it's sharp. ... > If you have your monitor resolution set to 1280x1024, ... When I watch on full screen mode, the picture is blurry. ...
    (microsoft.public.windows.mediacenter)
  • Re: Pocket sized HDTV receiver for laptops
    ... I was visiting with relatives who have no HDTV. ... does need a pretty powerful laptop, and will display better resolution with ... Maybe it's not the best HD, but it is still a MUCH better picture ... I tend to watch it much closer than I ...
    (alt.tv.tech.hdtv)
  • Re: Will broadcast TV ever go away?
    ... I can also see the better resolution between my 19" 1440x900 native set ... nomalize the viewing distance to get a valid test. ... danger of a non-double blind test), but it is surely not the tiny ... There is no such thing as a 1080p output of a still picture, ...
    (alt.tv.tech.hdtv)
  • Re: Is Contrast Ratio THE spec that makes the biggest difference?
    ... picture from spec sheets among various sets and manufacturers (LCD set size ... not wanting to spend another $500 just to eke out a little more in quality. ... comparison for picture quality. ... Resolution is source based - the immediate perception, ...
    (alt.tv.tech.hdtv)
  • Re: This website business
    ... Resolution is usually referred to as; ... dots per inch or pixels per inch ... dots or pixels are the little squares that make up an image and to ... picture because the rest is outside the frame. ...
    (uk.people.silversurfers)