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St-st-st-stuttering Video on DTV?

landtuna

landtuna

Since the switch to digital TV I've noticed some commercials and news feeds seem to "stutter" very badly on the video portion. The audio seems unaffected.

The commercials appear to be "old" as in produced before the DTV switch. The news feeds are all new. The most recent one was this morning when a Fox local was showing footage from Haiti. People walking slowly appeared normally but those running "stuttered".

The effect is seen when the camera pans too quickly or when there is fast motion on screen and the camera doesn't appear to be panning. The stutter is like a very rapid blinking but only on the image in motion and not the entire picture (background is not affected for instance).

When I was converting some older analog VHS tapes to DVD I noticed this as well and corrected it by burning the DVD in "lower frame first" as opposed to "upper frame".

I've noticed this on all network feeds as well as local ones.

What causes this?
 
Could it be delayed response from your LCD television? Some of the older models (in particular) tended to be choppy when the image moves very quickly as the pixels struggle to keep up with that which is being shown. Just a guess......
 
I should have mentioned I'm watching OTA via converter and CRT TV.

The stuttering effect I'm seeing happens on all converters (3 different brands) and all TV's (also 3 different brands).
 
landtuna said:
I should have mentioned I'm watching OTA via converter and CRT TV.

The stuttering effect I'm seeing happens on all converters (3 different brands) and all TV's (also 3 different brands).
Click to expand...

I noticed the same thing too. I notice it on Livewell HD on WLS-TV, as WLS-TV is running 2 HD channels in 720p. I sometimes notice it on WTTW on either WTTW's main channel, or on WTTW Prime (both channels locally programmed), and on WYIN-DT, as they haven't worked out all the bugs in their system yet. I believe since their antenna is on the side of the tower, and not on top, like the analog antenna is, that moisture affects the signal more. I hope WYIN-DT eventually moves the antenna higher up. Like you, I'm also using a converter box.
 
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