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Re: Sharp 42" LCD TV has picture and sound delays
No you cant do anything for this fault.call the brodcasting service and ask what is the reason of this.
if you have bad reception i mean low signal gain as about 50 db it can occure this type problem
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It's the nature of the beast. The TV has to process the digital video bitstream more than the receiver has to process the audio so the result can be a gradual lagging of the video behind the sound... http://en.wikipedia.org/wiki/Lip_sync Some receivers have a sound delay control which you can use to try to sync them up. You didn't name yours so one does not know. Look in the manual. If it's not there then there is no audio delay to eliminate it.
When viewing on Digital TV:- Sometimes Audio and Video signal can not be transmitted simultaneously due to additional process time for the video signal compared to that of the audio signal. Often video signal takes more time than the audio signal to convert from analogue signal to digital signal in the Digital TV. It may result in mismatch of the picture and sound. In the TH-G30/40's HD AV Sync menu, you can adjust the audio signal delay for simultaneous AV signal transmission
1. Delay time can be varied in 10msec steps.(0 to 300ms) 2. Delay time is different between TV Brands.
So you need to adjust the delay time for correct lip-sync. The adjustment is listed in the instruction book page12
The time delay is likely caused by taking the audio signal from the TV rather than the source. I would need to know more about the components in your system and how you have them currently connected to be of further assistance.
There should be a setting in the Home theater's menu (probably under Audio or Audio Setup) to increase or decrease the delay. Set this to the least possible delay, or if possible, no delay at all. This, from what I read is a very good unit so it should have this setting in the 'Menu', if you can't find it, the manufacturer should be able to help. Good Luck!
hi, are you trying to get sound from your TV through your home sound system? I'm not quite sure what you mean about "direct TV" thing if that is a specific term. Please ellaborate.
If you have a line (audio) output on your TV then it could be easily connected to an auxillary line input in your sound system controller. hope this helps..
you have a delay time on your home theater JVC, that is normal. So it's either you reduce the delay time of your JVC or do not use the TV sound. Set the delay time of your DSP so you can heqar the sound you wish... like the delay time of your surrond.
Wow, I have the same problem. I have even tried using never used DVDS, it just freezes after a while. I will get small glitches every few minutes. I am calling Samsung tommorow and raising hell, this was a Christmas present and I am embarrased. I also use HDMI and have changed the set up to 720P.
Hello All, I discovered the same problem when connecting my LCD TV LE40R8 to my HT-X30. I reported the problem to Samsung this morning and they told me that they are aware of the issue (which is with the TV) and an automatic software update to resolve the problem will be sent out to the TV early in December. You should get an automatic update message on your screen, just follow the instructions and this should upload the fix. Fingers crossed!
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: