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Re: Displaying 1080i on 720p native screen.

by Jer <gdunn@[EMAIL PROTECTED] > May 2, 2008 at 10:04 AM

Slitheen wrote:
> "Jan B" <nospam@[EMAIL PROTECTED]
> wrote in message 
> news:666l14p5m3quj4sf9af1g5r0ssdg1g4cfc@[EMAIL PROTECTED]
>> On Fri, 2 May 2008 00:07:38 +0100, "Slitheen"
>> <Slitheen123@[EMAIL PROTECTED]
> wrote:
>>
>>> "Alan F" <afiggatt1@[EMAIL PROTECTED]
> wrote in message
>>> news:a_rSj.37272$TS5.35666@[EMAIL PROTECTED]
>>>> Slitheen wrote:
>> ...
>>>>> The resolution of the set is 1366x768 (most sub 40" 720p panels are 
>>>>> this
>>>>> resolution). Knowing these screens support 720p and 1080i (and the
>>>>> 576i/480p modes of course), I want to know what I should set my
various
>>>>> devices to output, namely my PS3 and an upscaling DVD
recorder/set-top
>>>>> box. Does 1080i look better than 720p on a 1366x768 resolution
screen, 
>>>>> or
>>>>> do I just set the devices to display 720p? In other words, should
1080
>>>>> interlaced look better than 720 progressive on this screen, so to 
>>>>> speak.
>>>>>
>>>>> I know the good advice would be try both and see, but I don't get
>>>>> delivery of the TV till tomorrow....I just wanted to be enamoured
with 
>>>>> a
>>>>> bit of good advice prior to setting up.
>>>>>
>>>>> Thanks for any input.
>>>>   Your TV would be what I call a 768p set. It will downscale 1080i
and
>>>> upscale 720p. Since most HD channels are 1080i, the cable/sat box is
>>>> probably best overall at 1080i, if it does not have native
passthrough.
>>>> But for an upscaling DVD recorder/player, since the source is 480i 
>>>> (unless
>>>> you have PAL format DVDs), I think you will have to experiment. My
guess
>>>> is that 1080i will look a little better if the TV electronics can
pick 
>>>> up
>>>> the 3:2 pulldown of the 24 fps source and display it as 24p.
>>>>
>>>>  Alan F
>>>>
>>> Yes, I realised as I hit 'send' that I should note that I'm in the UK,
so
>>> I'm PAL....same is true of 90% of my DVD collection (Region 2 PAL).
Thanks
>>> for your input, I will check and just trust my own eyes to see which
looks
>>> best. I find it terribly confusing this issue. :)
>> "Pass through" as mentioned above and has a good chance of being
>> optimum. This lets the TV scale and for a 768 panel it minimises the
>> number of scalings.
>>
>> This is true also for a DVD player, both picture wise and regarding
>> functionality in aspect control, so try the DVD player at 576i output.
>>
>> Unfortunatly, some manufacturers (of players with upscaling feature)
>> don't allow the user to decide what resolution to use in HDMI so the
>> player selects the higest number that the TV supports. That will be
>> 1080i on any HD Ready TV regardless of the native resolution.
> 
> Thankfully I can change to resolution on the DVD recorder, only
'automatic' 
> forces the highest setting (1080i).
> 
> I'm really glad you mentioned your previous point perhaps you can clear
some 
> confusion for me. As you say, if I force 576i and let the set scale the 
> image, I am able to gain functionality over aspect ratio changing (it
forces 
> 16:9 in 720p and 1080i if I let the DVD recorder scale it), but I am 
> confused about one thing: The old adage if you have a set with a decent 
> scaling chip and you have an upscaling DVD recorder says that if you
just 
> force the recorder to output 576i (480i for NTSC), the set will handle
the 
> upscaling. I have a Panasonic DMR-EX75 recorder, if I let the recorder
scale 
> the output to 720p or 1080i and press the 'info' button on my TV remote,
the 
> screen tells me it is displaying at 720p or 1080i, but if I force the 
> recorder to output 576i and press the info button on the set, it says it
is 
> displaying at 576i - now if it was upscaling the image, wouldn't it say
720p 
> or 1080i? Or have I understood how this all works?

The info button on the TV is telling you what is being received from the 
DVD player (or other source) - not what the TV is displaying.

Hope this helps


> 
> Many thanks for your help, I appreciate it greatly. Sorry for the newbie

> question, I am fairly new to HD TV's. :)
> . 
> 
> 


-- 
jer
email reply - I am not a 'ten'




 14 Posts in Topic:
Displaying 1080i on 720p native screen.
"Slitheen" <  2008-05-01 23:50:08 
Re: Displaying 1080i on 720p native screen.
Alan F <afiggatt1@[EMA  2008-05-01 23:02:30 
Re: Displaying 1080i on 720p native screen.
"Slitheen" <  2008-05-02 00:07:38 
Re: Displaying 1080i on 720p native screen.
Jan B <nospam@[EMAIL P  2008-05-02 06:43:37 
Re: Displaying 1080i on 720p native screen.
"Slitheen" <  2008-05-02 15:39:57 
Re: Displaying 1080i on 720p native screen.
Jer <gdunn@[EMAIL PROT  2008-05-02 10:04:13 
Re: Displaying 1080i on 720p native screen.
"Slitheen" <  2008-05-02 17:59:36 
Re: Displaying 1080i on 720p native screen.
Jer <gdunn@[EMAIL PROT  2008-05-02 12:25:29 
Re: Displaying 1080i on 720p native screen.
Jan B <nospam@[EMAIL P  2008-05-03 08:42:21 
Re: Displaying 1080i on 720p native screen.
"WGD" <wgd.r  2008-05-01 23:10:51 
Re: Displaying 1080i on 720p native screen.
Alan F <afiggatt1@[EMA  2008-05-02 02:41:36 
Re: Displaying 1080i on 720p native screen.
nospam@[EMAIL PROTECTED]   2008-05-02 04:11:26 
Re: Displaying 1080i on 720p native screen.
phil-news-nospam@[EMAIL P  2008-05-02 03:42:32 
Re: Displaying 1080i on 720p native screen.
Tim <jmeth111@[EMAIL P  2008-05-03 16:35:44 

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tan13V112 Fri May 16 5:27:04 CDT 2008.