Samsung forum: Samsung AutoMotion stuttering issues?

Elykoj,

If it was a problem with the TV, it would happen regardless of input.

If you're saying it works fine with DVD and Blu-Ray, but has a problem with a cable connection, it's quite possible that you found the source of your problem.

And it may not be the box's fault - or it may. But some broadcasters speed up the broadcasts slightly due to edits, time compression, or just to plain ol' add another commercial in. That changes the 24/30/60 frames per second movie into something else, which makes it difficult for any television to decode and process without additional artifacting.

DVDs and Blu-Rays don't have that, since they are set at 24/30/60 frames per second, so the varied speed of added or lost frames isn't an issue on those devices.

So with that being explained in a little more detail, it may very well be working as designed - and it sounds like it is.

So what can you do? Well, you can't control how some broadcasts are sent. However, you might adjust your cable box to send a set resolution - such as 720p, 1080i or 1080p and see if channels that have artifacting, have LESS artifacting due to changing those settings. (Most are set to AUTO, which can introduce variables where "some channels have a problem, others don't"). Sometimes if the cable box is doing all the upconversion to 1080p, it may be easier to take a native 720p or 1080i signal and let the TV do the final upconversion to 1080p, and that might lessen the artifacting.

It may be worth trying. Based on your post, I don't think the problem is with the TV.

Just for the sake of completeness, have you tried the "OFF" setting? That doesn't take away your 120Hz, it only turns off additional processing. If not, try that first, and then adjust the cable box's output resolution. You might find a solution that way.

--HDTech

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Elykoj,

So then we look at the settings on the cable box. Did 720p or 1080i/p (the "other 1080p") improve the picture, or make it worse?

I can't explain this comparison to other TVs, because there can be lots of variables. If the TV was SD, then there would be less resolution and less motion problems too. But if buying the flagship models works great on DVD and Blu-Ray, but not your cable box, then it's time to consider the peripheral that the trouble is appearing with.

I don't think it's the TV on this one, and my explanation above about time lapsing can play a factor. I want to say an overwhelming percentage of people who turn AutoMotion Plus to "OFF" have the problem fixed, and that's because the movement and stutter is caused by overprocessing in the TV - turning those processes off means that the TV is bypassing them. Therefore it's an issue deeper than the TV, and points towards the source.

--HDTech

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Elykoj -

I'm not sure exactly what's causing it, and that's why I suggested trying different settings on the cable box. It sounds limited to the cable box, but you're looking at the TV and it sounds as if we're concluding the TV is the cause.

If you think the TV isn't working properly, you can get it repaired, but I'm not sure this is the case.

What can I suggest that would make more sense than what I posted above in reference to time lapse or resolution output from the cable box? Both of those issues cause stutter, and I don't know the breakdown between other products and Samsung products.

The only other option I can think of might be to Edit the Name of the Input. Enter the source (or go to whatever the HDMI-# your cable box is attached). Then hit source again, choose that input and press the "Tools" button on the remote. A popup menu will appear with different options with presets for different devices.

While doing this, view some of that fast material that usually causes stutter, and see if highlighting any of the different input names cuts the stutter. Each name (PC, DVI PC, STB, Blu-Ray, etc) has different presets so that the many different devices on the market can be used on the TV.

What happens when you try that?

--HDTech

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I have a Sony bluray player and when I have cable tv on , and turn on the bluray it automatically switches to correct source to play and watch, but when bluray is over and shut it off, it won't automatically change back to my cable tv source? It will go to a "tv" input that is just fuzz, and I must manually press source /input button to switch back to cable source. How can I fix this?