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After tuning in my TV,the video and sound slowly go out of sinc.The lips move before the sound comes out.

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Hi:
This problem is not the television, it is usually video source or the cable box that is not syncing with the set. Alto i have ran into problems like yours and it was the main system control board, but 80% of the time it was the source not the television, try your DVD to see if this happens, if not then try having the cable box exchanged.

Posted on Jul 16, 2010

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On one of my TV's - channel 12 only, the sound goes off during a commercial, and then comes back on when regular program comes back. the rest of the TV's in the house are fine.


I can only think that it is a tuning issue. Try retuning the set to see if that solves the problem.
It could be a weak station that it is tuned to.
Has that TV got any special sound settings that might make it go off during adverts? Since adverts are not transmitted in say Dolby Digital, has it got that sought of setting?

Sep 27, 2017 | Televison & Video

2 Answers

Static noise coming from headset. The headset has been making this noise for 3 or more days.


Most headphones (wireless) have a tuning wheel that allows you to find your headphone channel pair to base set. It sounds that while checking your foam ear piece you may have moved this dial / wheel. After locating (probably near volume) the control for tune, place headphones on and slowly move control for tuning. You should hear something move control to strongest signal.
your base also has settings switch for channel helpful if you have more then one pair in house, on different TV. Play with both to find best volume.

Sep 04, 2016 | Jabra GN9330 Wireless Headset

2 Answers

Lip sync problems


that is a network problem nothing consumer can do about it .

Sep 29, 2015 | Televison & Video

1 Answer

Cant tune channels


It sounds like you need to do a complete installation as if TV were new.
This is done from installation menu

Feb 14, 2014 | RCA Televison & Video

1 Answer

I seem to have a delay between the lips moving and the sound coming out of the tv how can this be fixed


Welcome to Digital TV. Not much you can do about it. Unlike analog video where the A/V was in perfect sync, digital video moves much slowwer that its audio cousin, hence the latency. Save for installing an expensive audio delay device, you will unfortunately just have to get used to it.

Mar 13, 2011 | LG 47LX9500 47 3D LED TV with 480 Hz...

1 Answer

Lip Sink issue, when playing a DVD Lips move & seconds later sound comes out.


Hello your center voice delay is set too high..Go into the audio menu(viewable on the tv) and reset the delay to 0 milliseconds.

Feb 21, 2011 | LG LHT854 Theater System

1 Answer

I have a Yamaha RX V800 AV Receiver is their an lip sync adjustment for internally with this amp.


This monster has a lot of built-in opportunities to tune or mis-tune the sound but nothing to deal with the effect you're addressing.

A discussion of lip sync:

http://en.wikipedia.org/wiki/Audio_to_video_synchronization

  • There is extensive use of audio and video signal processing circuitry with significant delays in television systems. Particular video signal processing circuitry which is widely used and contributes significant video delays include frame synchronizers, digital video effects processors, video noise reduction, format converters and MPEG pre-preprocessing.
  • The video monitor processing circuit may delay the video stream. Pixelated displays require video format conversion and deinterlace processing which can add one or more frames of video delay.
  • A video monitor with built-in speakers or line-out may not delay sound and video paths by the same amount of milliseconds. Some video monitors contain internal user-adjustable audio delays to aid in correction of errors.
  • Dec 31, 2010 | Yamaha RX-V800 Receiver

    1 Answer

    Xbox lips is playing on tv but we have no sound?


    TRY ENABLING SOUND ON SETTINGS IN XBOX CONSOLE- SOMETIMES SWITCHING TVS MESSES UP THE AUDIO, AS THE VIDEO IS ADJUSTED

    Jan 16, 2010 | Microsoft Xbox 360 Console

    1 Answer

    Video channel has diagonal lines


    check the connections from your video to your tv, sounds like you have a loose wire,

    If not re-tune your tv , it might have lost the tuning a bit , but its probably a loose connection

    Feb 28, 2008 | Televison & Video

    2 Answers

    Sound/Video delay


    Lip-sync error is a widespread problem caused when video is delayed and audio arrives too soon. Widespread enough that three different manufacturers make dedicated products to address it, in fact (see review link below for those three). It is present to some extent in essentially all broadcasts and DVD?s. If you have a recently acquired DLP, LCD or plasma display it may have added enough additional video delay to make it noticeable but lip-sync error comes from MANY sources starting at image capture and continuing through post production and broadcast or DVD encoding and it is cumulative. There is usually enough lip-sync error in broadcasts and DVD's to cause a negative impact on viewer perception (Research done at Stanford showed this.) Many people don't consciously notice it until it gets very large because it's such an unnatural phenomenon ( audio can't come before the action causing the sound in the real world) we apparently subconsciously avoid looking at the faces and seeing the lips move "after" the sound from them is heard. A study at Stanford proved this causes negative viewer perception even for those who don't notice it so this is something we all need to notice as you already have. For those reading this who haven't noticed it, take a close look at the LIPS - force yourself to overcome your natural avoidance mechanism that keeps you from looking at the lips - and you will see lip-sync error you never noticed before. I think you will be amazed that you could possibly not have noticed it before. You will be seeing what JC is seeing. I even see it now on CRT TV's and am amazed I never noticed it so it's very obvious some avoidance mechanism is at work. And back to JC?s solution: I'd recommend one of these digital audio delay units. That way you can correct for ALL cumulative lip-sync error no matter what its source might be. Any one of these units reviewed will correct it ALL. With any one of these units you can adjust for perfect lip-sync at the start of each DVD or broadcast and not disturb the image you are watching during that fine adjustment. I have had a Felston DD340 since 2004 (three generations earlier than the DD740 covered in the review) but it still has the most important feature of all these units from these three different manufacturers which is their "plus and minus" buttons on their remotes that allow you to tweak the delay while watching your material without upsetting the video your are watching. My av receiver has a built in delay of 80 ms which isn't even enough audio delay to offset the video delay my plasma display adds but even if it were it isn't practical to adjust it for the changes in lip-sync error from program to program and DVD to DVD since it overlays the screen with menus when making the delay adjustment. With my DD340 (and any of the units reviewed) all you have to do is press the plus or minus button until you get perfect sync. Here is the review I mentioned: [URL="http://www.audaud.com/article.php?ArticleID=3011"]

    Aug 30, 2007 | Audio Players & Recorders

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