[penfold72]

Hi, wondered if anyone else has this issue...
I have a sony BDPS-370, paired to an LG37LC55 lcd tv. The tv as i later found out is not full HD... Anyhow it behaves perfectly, and skyHD is of excellent quality. On blurays however, although pic quality is excellent, there is a very mild judder on camera panning. There is no blurring, and the motion of the actors id not jerky at all, even on fast moving shots. Its just this pan jerkiness. Only noticed it watching alien on bluray last night, but i put other disks in and notice it on them as well... Switched of the playerd 1080P/24 setting, that seemed to be better, but image was remarkably 'nonHD', certainly poorer quality. Is this just because the tv is not full HD, and why would the quality degrade so much when 1080P is switched off. I can cope with the slight judder, but wondered if i can do anything to solve it

[chrisjr]

Leave the player settings alone. If it is anything like my LG TV then it will have the picture "enhancement" tom foolery turned on by default.

Go into the picture settings on your TV and turn off anything that has the word Dynamic in it. And basically anything other than the basic colour contrast and brightness controls. On my TV all this so called "enhancement" rubbish does is knacker the picture quality. It looks far better with it all turned off. It is quite possible that some "Dynamic" wotsit is the cause of the problem as the processing is struggling to keep up with the action.

As to why the image quality suffered when you turned off 1080P. That all depends on what it set itself to as an alternative. If it went to 576i (ie basic SD resolution) then you will notice a drop in quality. As far as I can tell the TV should be OK with 1080 so try that. Not sure if the Sony will let you set 1080i24 but that might be an option if it does.

But my first thought would be all the picture "enhancement" stuff that in my experience does nothing of the sort.

[-GONZO-]

I'm no expert, but as the TV is not full HD then I presume the reason you get judder is because your TV is not compatible with 24fps so you need to turn off the 24fps on the player.

[Orbitalzone]

On my Sony 32" full hd TV and the same blu ray player I notice occasional judder on blu rays with pan shots when viewed at 24p but don't think it's any different to watching in the cinema.... 24fps is quite a slow rate if the panning shot moves quickly across a wide area and a fast pan means only 24 frames per second are being captured so it will be juddery. Some people seem to notice it more than others.

Now, your particular TV may or may not support 24p or may not deal with it very well and so you might need to get the blu ray outputting at 25fps.

I'd also agree with Chris - turn off all those 'picture enhancement' modes and stick to basic natural settings and no fancy image processing as it often just makes everything worse.

http://www.projectorcentral.com/judder_24p.htm

off topic, but I recently set up a budget Toshiba TV that's made by Vestel, once turning off all picture enhancement modes and setting colour/brightness/contrast and sharpness to sensible levels I was able to get a fairly respectable picture out of this Turkish delight

[penfold72]

Cheers.

The HDMI2 input on the TV was set to dynamic, so I set it to USER1 as the HDMI1 input is, and write down the settings the HDMI1 was set to. Noticed the HDMI2 input did not have as many options, then noticed the HDMI2 input has 2 settings, PC and DTV. It was set to PC, so reset to DTV, and made the settings the same as the HDMI1 input. Will have a play later and see how that goes.
As an aside, when I switched off the 1080P/24 on the bluray, when I check what the TV was displaying, instead of saying 1080P 24Hz, it stated 1920x1080 60Hz, but picture quality as I mentioned was noticeably poorer.
When on SKY HD, it says 1080i 50Hz
Will check this again now settings have changed and post back..

[Chris Frost]

24 doesn't divide in to 60 evenly.

24 comes from the 24 frames per second that movies are shot in. 60 comes from the 60 Hz frame rate used on Blu-ray so as to be compatible with consumer TVs that don't do 1080p/24

To make 24 fit in to 60 the film has certain frames repeated. These repeated frames are responsible for some of the judder. The rest is down to the way the TV detects and either plays or tries to remove the added frames.

If your TV accepts 1080p/24 then it's often better to put the Blu-ray player on that setting, even if it's not a native 1080p display. Your TV isn't refreshing at 24 fps though. There would be too much flicker. It actually shows each frame twice.

There are certain camera moves that will induce judder that the TV system can do nothing about. Cameramen and Directors know this and do their best to avoid those type of shots. Panning or tracking to follow the action reduces the incidence of shot judder, but even so there will be times when it's just unavoidable. Overall though, 1080p/24 should give the smoothest results for Blu-ray film playback.

[penfold72]

Thanks. After setting up the hdmi2 port as dtv, tried again. TV accepts the 1080P/24 with no problems, and the judder whilst there is barely noticeable. If i switch off the 1080P/24 setting, when playing the same film, the tv tells me its set to 1080P/60, amd judder appears to have virtually gone. I can set the player to output a 1080i signal if i need to. I will probably leave as is tbh, as its not that noticeable.... Glad i know why now, and also happy now the hdmi2 input is set up correctly, thanks. One noticeable thing, before all this, on dvds, the tv told me it was set to 1920x1080/60hz. Now it says 1080P/60hz.