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Exactly what is upscaling?

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Old 28-02-2007, 9:06 PM   #1
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Exactly what is upscaling?

I understand it is matching a televisions resolution to SD DVD but if I use a SD DVD player with a HD screen does the television have to upscale it?

But DVD upscaling is better?

I'm a bit confused

Thanks
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Old 01-03-2007, 9:21 PM   #2
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Re: Exactly what is upscaling?

its not that simple DVD is 720x576i in Europe. none upscaling players output this and TV will scale to native res. an upscaling DVD player upscale 57i to 720p or 1080i but TV will still scale to native even if the screen res is 1280x720 or 1920x1080 most TV's will still scale so you may ask what the point is.
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Old 01-03-2007, 10:18 PM   #3
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Re: Exactly what is upscaling?

So if I use a PC I can upscale on it so the television doesn't have to?
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Old 02-03-2007, 12:06 AM   #4
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Re: Exactly what is upscaling?

So, at the moment I have a normal DVD player (Panny SA-HT520) that doesn't upscale. This is connected to a 32" Philips CRT. But.... Next week I'm ordering a 50" Panny PX60. Would it be worth spending more money on an upscaling DVD player as well, or would there be not much point, as the TV is going to do this for me?????????

Any help on this would be MUCH appreciated.
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Old 02-03-2007, 12:11 AM   #5
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Re: Exactly what is upscaling?

Quote:
Originally Posted by jookster View Post
So if I use a PC I can upscale on it so the television doesn't have to?
if you can bypass the internal scaler yes but in most you cant
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Old 02-03-2007, 12:13 AM   #6
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Re: Exactly what is upscaling?

Quote:
Originally Posted by Ex3Para View Post
So, at the moment I have a normal DVD player (Panny SA-HT520) that doesn't upscale. This is connected to a 32" Philips CRT. But.... Next week I'm ordering a 50" Panny PX60. Would it be worth spending more money on an upscaling DVD player as well, or would there be not much point, as the TV is going to do this for me?????????

Any help on this would be MUCH appreciated.
a good DVD player is a good idea but the question is which has the better scaler the DVD or the screen? (very few players can scale to 1366x768 and fewer screens can accept 1366x768 the res of the 50PX60 which it wont accept)
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Old 02-03-2007, 9:30 AM   #7
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Re: Exactly what is upscaling?

What is the point of a TV having a resolution on 1366x768? If the TV takes a 720p signal it will have to upscale it and if it takes a 1080i or p signal it will have to downscale it.

Whichever is the case the TV is simply not able to display anything in the native resolution of the broadcast.

My view is that all HD TV's should have a resolution of either 1280x720 or 1920x1080.

That is why I bought the Sony 40w2000 and think it is a fabulous TV, and as far as DVD players are concerned I just took delivery of the Oppo 981, and wow, what a player!

I welcome other peoples comments.
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Old 02-03-2007, 10:23 AM   #8
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Re: Exactly what is upscaling?

Quote:
Originally Posted by hornydragon View Post
a good DVD player is a good idea but the question is which has the better scaler the DVD or the screen? (very few players can scale to 1366x768 and fewer screens can accept 1366x768 the res of the 50PX60 which it wont accept)
Many thanks for your swift reply...... However, I still seem to be caught with the same question (If it's because I'm not too 'up' with this whole HD lark yet, then I'm sorry). So should I buy an upscaling DVD player for my new 50" PX60, or should I just get a set of componant cables for my 2yr old panny DVD player?

Many thanks again, for any help from anybody.
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Old 02-03-2007, 11:00 AM   #9
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Re: Exactly what is upscaling?

In essence it comes down to whether your Panny can upscale better than any upscaling DVD player.

the results are going to be largely subjective so I would suggest that yuo take delivery of your DVD player of choice and then test one DVD both upscaled by the player and not upscaled by the player (therefore upscaled by the TV) and see which results your prefer.

If you think the upscaling DVD player is a waste of time then send it back under the Distance Selling Act, where you have 7 days from the date of receipt to send good back no questions asked.
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Old 02-03-2007, 4:14 PM   #10
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Re: Exactly what is upscaling?

Quote:
Originally Posted by HopelessDiamond View Post
If you think the upscaling DVD player is a waste of time then send it back under the Distance Selling Act, where you have 7 days from the date of receipt to send good back no questions asked.
Subject to suppliers T&C's

I say get the componet cables and if your not happy look at a new DVD player.

As for the resolution of screens well stop counting pixels and start looking at the results scaling will always happen so make sure your display is capable of scaling well
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Old 16-02-2009, 7:12 PM   #11
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Re: Exactly what is upscaling?

Can anyone help me about upscaling? If I buy a new amp such as YamahaDSP-AX863SE will it upscale from my Sky+ so that I will no longer have to pay Sky for HD reception?

Last edited by n-evans; 17-02-2009 at 3:20 PM.
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Old 18-02-2009, 10:24 PM   #12
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Re: Exactly what is upscaling?

Quote:
Originally Posted by n-evans View Post
Can anyone help me about upscaling? If I buy a new amp such as YamahaDSP-AX863SE will it upscale from my Sky+ so that I will no longer have to pay Sky for HD reception?
Upscaling does not magically make Standard Definition in to High Definition, so sorry no, you won't be able to cancel the Sky HD if you want to receive HD.
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Old 18-02-2009, 10:26 PM   #13
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Re: Exactly what is upscaling?

Wikipedia for more info

Video scaler - Wikipedia, the free encyclopedia
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Old 19-02-2009, 7:19 PM   #14
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Re: Exactly what is upscaling?

Thanks for message. But what does up scaling actually do?
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Old 19-02-2009, 11:55 PM   #15
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Re: Exactly what is upscaling?

I'm sorry, I did not appreciate that you would not be able to move your cursor to the wikipedia link and click on it.

From that link:

"A video scaler is a device for converting video signals from one size or resolution to another: usually "upscaling" or "upconverting" a video signal from a low resolution (e.g. standard definition) to one of higher resolution (e.g. high definition television)."
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Old 21-02-2009, 9:38 PM   #16
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Re: Exactly what is upscaling?

Ok im a bit confused from what people are saying in this thread.

Firstly do all HDMI DVD players upscale? I think they do, Im not sure.

All HD ready screens show the maximum resolution possible from the source input (sky hd, Blu-ray, DVD player) etc....

Now My dvd upscaler via HDMI allows my tv to show 720p with a way better image then normal dvd playback via scart and better than componant.

My conclusion is that the tv upscaler (do all hd TV's have their own scaler?) and the dvd upscaler go hand in hand. U need a device capable of sending upscaled video to your screen for the tv to output it!

Am I right?? Or can TV upscalers do this by itself?? If that were true then why would u need sky hd for example??
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Old 22-02-2009, 2:01 PM   #17
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Re: Exactly what is upscaling?

Quote:
Originally Posted by dvdguy23 View Post
Firstly do all HDMI DVD players upscale? I think they do, Im not sure.
Most do but not all.

Quote:
Originally Posted by dvdguy23 View Post
All HD ready screens show the maximum resolution possible from the source input (sky hd, Blu-ray, DVD player) etc....
?
HD ready 'panel' screen will always show at thei native resolution of the panel. It is upto you what you feed the. 1080i, 720, 576p, 576i etc

Quote:
Originally Posted by dvdguy23 View Post
Now My dvd upscaler via HDMI allows my tv to show 720p with a way better image then normal dvd playback via scart and better than componant.
You are changing several things all at the same time and concluding upscaling and HDMI is the difference. I would say that it is more likely to be down to the poor quality of the analogue interface and the display deinterlacing properties.

Quote:
Originally Posted by dvdguy23 View Post
My conclusion is that the tv upscaler (do all hd TV's have their own scaler?) and the dvd upscaler go hand in hand. U need a device capable of sending upscaled video to your screen for the tv to output it!

Am I right?? Or can TV upscalers do this by itself?? If that were true then why would u need sky hd for example??
a HD Ready display will upscale (and deinterlace where necessary) any compatible signal to fit the native resolution of the display, that could be a Blu ray HD signal or an low quality SD signal from a VHS deck.

Yo only need one upscaler, one good one. Today manufacturers prefer to sell you one in a DVD player, one in a receiver and one in a display and most of us fall for it....and manufacturers just make more money that way. Any one of these three solutions work fine, the trick is just to use you 'best' one you have access to, many are very similar however particularly if you just need to scale.

Last edited by Nic Rhodes; 22-02-2009 at 2:05 PM.
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Old 22-02-2009, 2:06 PM   #18
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Re: Exactly what is upscaling?

Quote:
Originally Posted by dvdguy23 View Post
Ok im a bit confused from what people are saying in this thread.

Firstly do all HDMI DVD players upscale? I think they do, Im not sure.

All HD ready screens show the maximum resolution possible from the source input (sky hd, Blu-ray, DVD player) etc....

Now My dvd upscaler via HDMI allows my tv to show 720p with a way better image then normal dvd playback via scart and better than componant.

My conclusion is that the tv upscaler (do all hd TV's have their own scaler?) and the dvd upscaler go hand in hand. U need a device capable of sending upscaled video to your screen for the tv to output it!

Am I right?? Or can TV upscalers do this by itself?? If that were true then why would u need sky hd for example??
I am not very technically minded but will give my understanding in simple terms why you want Sky HD.

Standard definition does not transmit enough information (pixels) to fill an HD TV. So the scaler (in the TV, or the DVD player or in the Sky/Virgin box) fills in the extra pixels by guessing what should go next to the pixels that are there (it interpolates). This is not proper High Definition which transmits more information to properly fill the screen.

I have found this article, which to me is written quite clearly even though I am not very up to speed on this stuff:

DVD Video Upscaling - Important Facts - Know the Difference Between DVD Video Upscaling and True High Definition Video

Hope that helps
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Old 25-02-2009, 1:30 PM   #19
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Re: Exactly what is upscaling?

What do you mean by native resolution ?
My 1080p pioneer tv is connected to my pioneer upscalling dvd player by hdmi i have the option on the dvd player to have upscalling from 576 ,720 ,1080i and 1080p .
i have mine set to 1080p , is this correct or should i leave it to 576.?
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Old 25-02-2009, 4:17 PM   #20
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Re: Exactly what is upscaling?

Have a look here.

HDTV resolution explained - HDTV World - CNET.com
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Thanks from:
Neil Hawkes (25-02-2009)
Old 25-02-2009, 5:24 PM   #21
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Re: Exactly what is upscaling?

Quote:
Originally Posted by deckingman View Post
Excellent explanation.

Cheers,
Neil
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