Question about PIXELS on HD channels, is it my TV? - Blu-ray Forum

mikey3319 · 08-16-2007, 01:04 AM

I was wondering, do some channels show pixels when things move super fast? On my 32 inch LG when I watch ESPN sportscenter etc when they do that computerized graphics stuff between commercials and highlights that say SC , it shows pixels, then goes back to normal. My tv is 60fps, should it show pixels like that
It doesnt do that on MOVIES! when I watch a blu ray and theres action and things move fast, theres no pixels. its only on TV channels. Is it the HD source? I thought it was my tv so i tried a SAMSUNG 32 inch but does the same thing. LOL is anyone here familar with this stuff?

Hope I made sense. Youd have to see it.

powerSURG · 08-16-2007, 01:07 AM

Quote:

Originally Posted by mikey3319

I was wondering, do some channels show pixels when things move super fast? On my 32 inch LG when I watch ESPN sportscenter etc when they do that computerized graphics stuff between commercials and highlights that say SC , it shows pixels, then goes back to normal. My tv is 60fps, should it show pixels like that
It doesnt do that on MOVIES! when I watch a blu ray and theres action and things move fast, theres no pixels. its only on TV channels. Is it the HD source? I thought it was my tv so i tried a SAMSUNG 32 inch but does the same thing. LOL is anyone here familar with this stuff?

Hope I made sense. Youd have to see it.

I hear you. I have a 46" sammy and i see it sometimes as well. I personally thought it might be due to the interlacing/deinterlacing that Discovery/Espn broadcast in, but I'm no expert and am not sure.

Hopefully someone can answer this for us.

BillCable · 08-16-2007, 01:58 AM

It's the signal, not your TV. Broadcast and satellite HD signals are compressed horribly. That leads to those blocks during scenes of fast action or when there's a very limited color pallet. Pop in a Blu-ray movie and you won't see any compression artifacts.

Kaldaim · 08-16-2007, 02:01 AM

This is a normal thing with HD broadcasts and I believe it's due to the bandwidth limitations of the medium.

mikey3319 · 08-16-2007, 03:31 AM

cool i feel a lil better

phil · 08-16-2007, 03:43 AM

Raise your dish higher, and you'll have less problems. The more clarity you have the better you are, I had to raise mine and it helped out ALOT.

No more Pixels at all, and more laziness in my leather sofa.

mikey3319 · 08-16-2007, 03:46 AM

i dont use a dish, im digital cable

phil · 08-16-2007, 03:49 AM

Oh, sorry, I didn't catch that my fault. I only got dish because they offered more HD Channels. The cable companies treat HD channels like a Premium, meaning you gotta buy everything and then you can have HD Channels. So it's like a 100+ Bill every month for TV alone. But with Dish I can pay around 65 or somewhere in there with like 50 HD channels. Granted I don't watch all of my HD channels, but I like to keep my options open.

Rob Zuber · 08-16-2007, 04:02 AM

For me, NBC's broadcast of Sunday Night Football is the absolute worst. Pixels everywhere. It's a crime!

WickyWoo · 08-16-2007, 04:13 AM

Either way, HD channels are squished like crazy on cable

Broadcast is better, but since it's on-the-fly encodes with no tweaking it's not the best

phil · 08-16-2007, 04:19 AM

once you go HD, you'll never go back or settle for less. So be happy I suppose, lol. I know I am.

KenThompson · 08-16-2007, 03:26 PM

Yeah, fast moving sporting events can lag giving fuzzy blurry look. I have Sat and it still does it, but stuff like CSI or NCIS looks amazing. Will never happen on BD, bandwidth and compression never lacking,1080 P erfect.

CptGreedle · 08-16-2007, 03:30 PM

Yeah.. as everyone said.. the signal is sent in 1080i because it is far less demanding than 1080p. This can cause fast moving objects to look "smoother" to some, but actually to others (like myself) it looks interlaced, striped.. even "pixelated".
On top of that, HDTV signals over cable and satellite are not pure uncompressed video like Blu-ray, they are highly compressed to lower the bandwidth the film takes so they can show it cheaper and easier.
That might also help make a pixel looking image in some places.

Your TV is fine.

DavePS3 · 08-16-2007, 03:51 PM

The other issue is the nature of LCD. New panels are 120hz and will handle fast motion closer to how plasma handles it. LCD has always lagged in that area so couple that with the compressed digital signal cable & satellite passes through to you and it can be pretty rough.

08-16-2007, 01:04 AM	#1
mikey3319 Active Member Member since:Jul 2007 Blu-ray reviews:1	Question about PIXELS on HD channels, is it my TV? I was wondering, do some channels show pixels when things move super fast? On my 32 inch LG when I watch ESPN sportscenter etc when they do that computerized graphics stuff between commercials and highlights that say SC , it shows pixels, then goes back to normal. My tv is 60fps, should it show pixels like that It doesnt do that on MOVIES! when I watch a blu ray and theres action and things move fast, theres no pixels. its only on TV channels. Is it the HD source? I thought it was my tv so i tried a SAMSUNG 32 inch but does the same thing. LOL is anyone here familar with this stuff? Hope I made sense. Youd have to see it.

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08-16-2007, 01:58 AM	#3
BillCable Expert Member Member since:Jun 2007 Blu-ray collection:1 Blu-ray reviews:1	It's the signal, not your TV. Broadcast and satellite HD signals are compressed horribly. That leads to those blocks during scenes of fast action or when there's a very limited color pallet. Pop in a Blu-ray movie and you won't see any compression artifacts.

08-16-2007, 02:01 AM	#4
Kaldaim Active Member Member since:Apr 2007	This is a normal thing with HD broadcasts and I believe it's due to the bandwidth limitations of the medium.

08-16-2007, 03:31 AM	#5
mikey3319 Active Member Member since:Jul 2007 Blu-ray reviews:1	cool i feel a lil better

08-16-2007, 03:43 AM	#6
phil Banned Member since:Aug 2007	Raise your dish higher, and you'll have less problems. The more clarity you have the better you are, I had to raise mine and it helped out ALOT. No more Pixels at all, and more laziness in my leather sofa.

08-16-2007, 03:46 AM	#7
mikey3319 Active Member Member since:Jul 2007 Blu-ray reviews:1	i dont use a dish, im digital cable

08-16-2007, 03:49 AM	#8
phil Banned Member since:Aug 2007	Oh, sorry, I didn't catch that my fault. I only got dish because they offered more HD Channels. The cable companies treat HD channels like a Premium, meaning you gotta buy everything and then you can have HD Channels. So it's like a 100+ Bill every month for TV alone. But with Dish I can pay around 65 or somewhere in there with like 50 HD channels. Granted I don't watch all of my HD channels, but I like to keep my options open.

08-16-2007, 04:02 AM	#9
Rob Zuber Active Member Member since:Aug 2007	For me, NBC's broadcast of Sunday Night Football is the absolute worst. Pixels everywhere. It's a crime!

08-16-2007, 04:13 AM	#10
WickyWoo Blu-ray Champion Member since:May 2007 Trading Score:2	Either way, HD channels are squished like crazy on cable Broadcast is better, but since it's on-the-fly encodes with no tweaking it's not the best

08-16-2007, 04:19 AM	#11
phil Banned Member since:Aug 2007	once you go HD, you'll never go back or settle for less. So be happy I suppose, lol. I know I am.

08-16-2007, 03:26 PM	#12
KenThompson Power Member Member since:Sep 2006 Location:B.C. Canada	Yeah, fast moving sporting events can lag giving fuzzy blurry look. I have Sat and it still does it, but stuff like CSI or NCIS looks amazing. Will never happen on BD, bandwidth and compression never lacking,1080 P erfect.

08-16-2007, 03:30 PM	#13
CptGreedle Blu-ray Ninja Member since:Jul 2007 Location:Sworn super-hero now services Atlanta (and suburbs). Blu-ray collection:128 Blu-ray reviews:5	Yeah.. as everyone said.. the signal is sent in 1080i because it is far less demanding than 1080p. This can cause fast moving objects to look "smoother" to some, but actually to others (like myself) it looks interlaced, striped.. even "pixelated". On top of that, HDTV signals over cable and satellite are not pure uncompressed video like Blu-ray, they are highly compressed to lower the bandwidth the film takes so they can show it cheaper and easier. That might also help make a pixel looking image in some places. Your TV is fine.

08-16-2007, 03:51 PM	#14
DavePS3 Blu-ray Guru Member since:Jan 2007 Location:Toronto Home Theater Gallery:56 Blu-ray reviews:1 Trading Score:1	The other issue is the nature of LCD. New panels are 120hz and will handle fast motion closer to how plasma handles it. LCD has always lagged in that area so couple that with the compressed digital signal cable & satellite passes through to you and it can be pretty rough.

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