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new tv is 50hz ok



 
 
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  #1  
Old April 20th 11, 10:23 PM posted to uk.tech.digital-tv
rog
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Posts: 8
Default new tv is 50hz ok

Hi
I'm reluctantly replacing my sony 21in crt after many years of great
pics. After checking out market, am I correct in thinking only 100hz
sets cope with motion blur effectively, Samsung have good reviews but
are only 50hz, any advice gratefully received ( of a televisual
nature ! )
Cheers - Rog
  #2  
Old April 20th 11, 11:08 PM posted to uk.tech.digital-tv
tony sayer
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Posts: 4,132
Default new tv is 50hz ok

In article
s.com, rog scribeth thus
Hi
I'm reluctantly replacing my sony 21in crt after many years of great
pics. After checking out market, am I correct in thinking only 100hz
sets cope with motion blur effectively, Samsung have good reviews but
are only 50hz, any advice gratefully received ( of a televisual
nature ! )
Cheers - Rog


I spent some time worrying about all that but just before Xmas we bought
a Sony KDL40EX503U and quite frankly I've err .. umm .. just enjoyed the
programmes can't fault it at all. Its as good as what they transit and
seems to render better Pix that what I've seen on in store demos. And
since the HD service has started up around here the Pix is sometimes
stunning when they get it right at the other end;! Its also got a net
connection for iplayer and Youtube and others I haven't got around to as
yet but no motion blur that I've seen !..

--
Tony Sayer

  #3  
Old April 20th 11, 11:18 PM posted to uk.tech.digital-tv
the dog from that film you saw[_3_]
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Posts: 297
Default new tv is 50hz ok

On 20/04/2011 9:23 PM, rog wrote:
Hi
I'm reluctantly replacing my sony 21in crt after many years of great
pics. After checking out market, am I correct in thinking only 100hz
sets cope with motion blur effectively, Samsung have good reviews but
are only 50hz, any advice gratefully received ( of a televisual
nature ! )
Cheers - Rog



UK tv is 50hz.
many people with 100hz sets end up turning off the ' picture enhancement
' processing that comes with them.

--
Gareth.
That fly.... Is your magic wand.
  #4  
Old April 20th 11, 11:35 PM posted to uk.tech.digital-tv
J G Miller[_4_]
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Posts: 5,296
Default new tv is 50hz ok

On Wednesday, April 20th, 2011 at 13:23:45h -0700, Rog wrote:

After checking out market, am I correct in thinking only 100hz
sets cope with motion blur effectively, Samsung have good reviews but
are only 50hz


That is just not correct at all.

Go to

http://www.samsung.COM/uk/consumer/tv-audio-video/television/led-tv/index.idx?pagetype=subtype

and you will see that you can choose Samsung LED Televisions on the basis
of being either 100 Hz or *200* Hz.
  #5  
Old April 21st 11, 12:01 AM posted to uk.tech.digital-tv
Steve Thackery[_2_]
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Posts: 2,566
Default new tv is 50hz ok

Faster refresh rates may or may not help with motion blur.

For me, I can easily see a 50Hz flicker, so - motion blur aside - I simply
must have a 100Hz or higher refresh rate (actually my flicker-detection
neurons top out at about 85Hz).

If your TV behaves like a cinema projector - simply flashing each picture up
two or more times - then you will escape the headache-inducing 50Hz flicker
but it won't help at all towards reducing motion blur.

You've only got to see how dreadful even a fairly slow pan looks on a cinema
screen.

However, if your TV does some fancy processing to interpolate intermediate
frames, which it then shows between the real ones as part of the flicker
reduction regime, then you'll enjoy smoother apparent motion as well.

BUT, it all depends on how good the processing is, what parameters Samsung
consider to be important, and what - exactly - you personally mean by motion
blur.

My Panny plasma is supposed to have all sorts of fancy processing and such,
and I still think motion looks horribly flickery (but not blurry).

I'd take a good long look at a 50Hz TV in the shop before buying it. If you
find it satisfactory for your particular brain, then go for it.

SteveT

  #6  
Old April 21st 11, 12:52 AM posted to uk.tech.digital-tv
Brian Gregory [UK]
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Posts: 418
Default new tv is 50hz ok

"Steve Thackery" wrote in message
...
Faster refresh rates may or may not help with motion blur.

For me, I can easily see a 50Hz flicker, so - motion blur aside - I simply
must have a 100Hz or higher refresh rate (actually my flicker-detection
neurons top out at about 85Hz).

If your TV behaves like a cinema projector - simply flashing each picture
up two or more times - then you will escape the headache-inducing 50Hz
flicker but it won't help at all towards reducing motion blur.


Flicker is a totally different issue.
LCD screens do not flicker in the way that CRTs do.


You've only got to see how dreadful even a fairly slow pan looks on a
cinema screen.

However, if your TV does some fancy processing to interpolate intermediate
frames, which it then shows between the real ones as part of the flicker
reduction regime, then you'll enjoy smoother apparent motion as well.

BUT, it all depends on how good the processing is, what parameters Samsung
consider to be important, and what - exactly - you personally mean by
motion blur.

My Panny plasma is supposed to have all sorts of fancy processing and
such, and I still think motion looks horribly flickery (but not blurry).

I'd take a good long look at a 50Hz TV in the shop before buying it. If
you find it satisfactory for your particular brain, then go for it.

SteveT


--

Brian Gregory. (In the UK)

To email me remove the letter vee.


  #7  
Old April 21st 11, 12:21 PM posted to uk.tech.digital-tv
Mark[_13_]
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Posts: 875
Default new tv is 50hz ok

On Wed, 20 Apr 2011 23:52:11 +0100, "Brian Gregory [UK]"
wrote:

"Steve Thackery" wrote in message
...
Faster refresh rates may or may not help with motion blur.

For me, I can easily see a 50Hz flicker, so - motion blur aside - I simply
must have a 100Hz or higher refresh rate (actually my flicker-detection
neurons top out at about 85Hz).

If your TV behaves like a cinema projector - simply flashing each picture
up two or more times - then you will escape the headache-inducing 50Hz
flicker but it won't help at all towards reducing motion blur.


Flicker is a totally different issue.
LCD screens do not flicker in the way that CRTs do.


That is correct. I don't understand why their is fashion for have
100Hz or even higher for LCD panels. It is just a question of higher
numbers being "better" for the marketing department.

I could also not stand the flicker at 50Hz so bought a 100Hz TV but
the extra processing does introduce artifacts.
--
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(='.'=) Due to the amount of spam posted via googlegroups and
(")_(") their inaction to the problem. I am blocking some articles
posted from there. If you wish your postings to be seen by
everyone you will need use a different method of posting.

  #8  
Old April 21st 11, 01:10 PM posted to uk.tech.digital-tv
viewer
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Posts: 6
Default new tv is 50hz ok

snip
I spent some time worrying about all that but just before Xmas we bought
a Sony KDL40EX503U and quite frankly I've err .. umm .. just enjoyed the
programmes can't fault it at all.


I also bought the 32EX503 (1080 + 100Hz motionflow + Freeview HD) and
find it excellent - the best LCD picture I've seen - particularly good
on SD transmissions.
It does a great job on fast motion - eg tennis balls, footballs.
Slight negatives:
1. Blacks become a bit grey when viewed at an angle.
2. Sound is decent, but not great bass - it is a thin TV with
downfiring speakers. better than most thin TVs.
3. Channel change could be a bit faster.

  #9  
Old April 21st 11, 01:20 PM posted to uk.tech.digital-tv
Alan White[_2_]
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Posts: 446
Default new tv is 50hz ok

On Wed, 20 Apr 2011 22:08:25 +0100, tony sayer
wrote:

I spent some time worrying about all that but just before Xmas we bought
a Sony KDL40EX503U and quite frankly I've err .. umm .. just enjoyed the
programmes can't fault it at all...


Same here :-)

--
Alan White
Mozilla Firefox and Forte Agent.
By Loch Long, twenty-eight miles NW of Glasgow, Scotland.
Webcam and weather:- http://windycroft.co.uk/weather
  #10  
Old April 21st 11, 02:16 PM posted to uk.tech.digital-tv
tony sayer
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Posts: 4,132
Default new tv is 50hz ok

In article , viewer
scribeth thus
snip
I spent some time worrying about all that but just before Xmas we bought
a Sony KDL40EX503U and quite frankly I've err .. umm .. just enjoyed the
programmes can't fault it at all.


I also bought the 32EX503 (1080 + 100Hz motionflow + Freeview HD) and
find it excellent - the best LCD picture I've seen - particularly good
on SD transmissions.
It does a great job on fast motion - eg tennis balls, footballs.
Slight negatives:
1. Blacks become a bit grey when viewed at an angle.


Not noticed that, but then again its -my- telly and when -I- want to
watch it everyone else has to sit elsewhere;!..

2. Sound is decent, but not great bass - it is a thin TV with
downfiring speakers. better than most thin TVs.


Not bothered to criticise that at all, this is the way of flat panel
TV's if I need the sound better the nearby ESL63's can do that..

3. Channel change could be a bit faster.


Yes that does seem rather sluggish..

But a lot of the time we're using an external sat receiver which is
quite fast so its not really a problem..


--
Tony Sayer

 




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