Question about Westinghouse SK-26H240S Television

1 Answer

Sounds don't align with lip movement

My sounds are offset from the lip movement. I can turn the tv off and back on and it solves the problem temporarily, then after a few minutes the sound is off from the picture again.

Posted by Mark Jeffress on

  • Mark Jeffress Jun 23, 2007

    thanks, good answer!

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1 Answer

Henry Thomas

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If you are saying that your tv has no sound to match the lips movements then you will have to get a tech to repair your tv the problem is in the audio circuit could be a cap or the audio output ic.if you are saying that the tv has sound but it is not syncronizing with the lip movements have your tech check the sync circuit it is possible that the operating voltage is too small to allow the sync circuit to operate.good luck my friend.

Posted on Jun 23, 2007

  • Anonymous Dec 12, 2018

    mine does the same thing. Visio should fix

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SERVICE MODE AND ERROR CODES CHECK

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Lip sync problems

Lip-sync is a cumulative problem with potential errors entering at any stage in the broadcast chain where video is delayed and an equivalent audio delay is not added to counteract it. It can occur during post production, broadcast (at many stages), and even in disc mastering - and finally your TV may add more video processing delay (especially if HD or 4K TV) making it worse. The only way to correct it completely and have perfect lip-sync is to adjust (or shift) the audio relative to the video at the final output stage. That can fix lip-sync error no mater where it came from.

Since it has been documented that lip-sync error - even when not consciously noticed - causes viewers to perceive the characters and story as "less believable" , many cinema enthusiasts use external delay boxes made by companies like Alchemy2, Felston, Primare, etc.to intercept the audio and delay it to match the video perfectly via remote control.

I use a Felston DD740 and contrary to what the industry believes I can detect lip-sync errors down to the millisecond. I mean when I adjust the DD740 and achieve what looks perfect moving it a ms either direction looks "off". Most viewers will never see "perfect" lip-sync if they aren't performing such an adjustment while viewing.

Getting it "close" - perhaps within 30 or 40 ms - will allow most viewers to ignore it but the study done at Stanford showed the negative impact was still present.

The current theory to explain this is that our brains - even subconsciously - can't process the impossibility of sound before lip-movement and we look away from the lips to avoid the impossible and in doing this we form the same opinion of the characters as we have of people who don't make eye contact with us. Ironically "we" are the ones not making eye contact with the characters in order to avoid the impossibility of sound before lip-movement.

You can run your own test to prove this: Force yourself to focus intently on the lips and you will see lip-sync error you never noticed before. You were ignoring it because it was below your "threshold of recognition" and looking away could conceal it.

After the cable change and adjustment you didn't notice lip sync error because it was probably below that threshold but something ( a digital video effect in the broadcast possibly) boosted it above your threshold and you noticed it again. The only way to eliminate the negative impact is to look for the error and adjust it out.

Most AV receivers and some recent TV's offer a fixed audio delay to correct lip-sync error and that can usually get it close enough that most people won't consciously be bothered but masking the problem like that doesn't eliminate the negative impact on the characters and story.
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Picture scrolls and is offset

Oops, nevermind. It's right there up top.

First off, try a TV reset. Leave it unplugged for 5+ minutes then try again.

If this doesn't work, I would recommend contacting RCA. There is no way to contact them as far as I can find, except for an online form to their customer service (there may be a contact number in your TV's manual):

http://tv.rca.com/en-us/ContactUs.html

Good luck,
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Samsung 42

This is an issue that has been going on for some time with Samsung. This is call Lip sync. To fix this problem you need a software upgrade. If you are under warranty, we will change the signal board.

Best regards
CircuitCity
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