Samsung forum

General discussion

Poor picture quality in night scenes

by lfriedla / June 3, 2009 5:05 AM PDT

I have a new Samsung LN40A650. Whenever I am watching television (not Blue Ray or DVD) any night scenes are terrible. They break up into pixels or color blotches. Is this an inherent defect of LCD technology? Of the Samsung? Any analog television I have ever had greatly outperforms my Samsung.

Post a reply
Discussion is locked
You are posting a reply to: Poor picture quality in night scenes
The posting of advertisements, profanity, or personal attacks is prohibited. Please refer to our CNET Forums policies for details. All submitted content is subject to our Terms of Use.
Track this discussion and email me when there are updates

If you're asking for technical help, please be sure to include all your system info, including operating system, model number, and any other specifics related to the problem. Also please exercise your best judgment when posting in the forums--revealing personal information such as your e-mail address, telephone number, and address is not recommended.

You are reporting the following post: Poor picture quality in night scenes
This post has been flagged and will be reviewed by our staff. Thank you for helping us maintain CNET's great community.
Sorry, there was a problem flagging this post. Please try again now or at a later time.
If you believe this post is offensive or violates the CNET Forums' Usage policies, you can report it below (this will not automatically remove the post). Once reported, our moderators will be notified and the post will be reviewed.
Collapse -
Sounds like the TV signal
by clicq / June 3, 2009 1:19 PM PDT

Sounds like it's your signal / cable provider, especially if you don't see it on DVD or Blu-ray. Compression is used in the transmission of video, and it often causes poor image quality in dark scenes.

Compression wasn't really used for analog TV, so you didn't see those sorts of artifacts in the past, plus old TVs have a much lower resolution than HDTVs today... the consequence is that a good source looks great, but any flaws in the source are much more visible.

That being said, some sets do a better job of handling poor quality sources than others, but I think you'll see the problem you're describing with pretty much any HD set.

Collapse -
Thanks. Anything to do?
by lfriedla / June 3, 2009 10:12 PM PDT

Thanks much. That makes sense. Is there anything at all to do? I assume pay my already poor cable company (Charter) more for HD subscription?
What models are better than others at handling compression?

Collapse -
Thanks. Anything to do?
by Samsung_HD_Tech Samsung staff / June 5, 2009 5:58 PM PDT


The pixelation (breaking up, and block symptoms in the picture) can be pretty heavy with Standard Definition broadcasts. If you want the quality of HD programming (close or equivalent to Blu-Ray), you might try upgrading to HD programming.

What you're seeing isn't necessarily compression if it's standard definition - it's convertng 480 lines to 1080 lines, and some processing has to be done to fill in the lines. This is inherent with any SD source to HD panel picture.

Depending on where you live, there are also free HD channels if you purchase a HD-approved antenna.


Popular Forums
Computer Help 49,613 discussions
Computer Newbies 10,349 discussions
Laptops 19,436 discussions
Security 30,426 discussions
TVs & Home Theaters 20,308 discussions
Windows 10 360 discussions
Phones 15,802 discussions
Windows 7 7,351 discussions
Networking & Wireless 14,641 discussions


Free trip to the Grand Prix

Don't miss your chance to win a trip to the Formula 1 Grand Prix in Monaco for you and a plus-one.