Question about Panasonic SCBTT270 Theater System

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Sa-btt270 lip sync problem

My Panasonic theatre system has a very slight lip sync problem, the image is just ahead of the sound (so audio delay setting is no good as it works the other way - i.e you can delay the audio but not the image). I've tried using an optical cable and the arc system but there doesn't seem to be any difference between them. Any ideas please?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: panasonic dvd home theatre SA-HT670

my reciver is stuck on the cd changer so i can't change cd and it doesn't work only apear in the screen "wait" what can i do to fix the problem

Posted on May 14, 2008

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moz205
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SOURCE: Problem w/ Panasonic SA-HT700 speakers

Try looking in the audio settings,it might be configured for stereo/mono or any number of surround sound settings e.g; 5:1, 7:1 In which case it might shut off the power to the circuit board inwhich the speakers are connected.If that fails .......Take it back!! Either the connection inside the speakers is faulty or the connections in the unit are faulty.

Posted on Oct 25, 2008

ThaMp3Doctor
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SOURCE: PANASONIC DVD HOME THEATRE SOUND SYSTEM SA-HT500

The SC-HT500 is only for use in the UK, Ireland, Australia, and a few other places - you will need at least a transformer if you want to try to use it in the US. The manual can be found here:
http://www.panasonic.com.au/support/downloads/more_info.cfm?objectID=842&fileTypeID=2&productCategoryID=47&productID=1526&listQueryString=fileTypeID%3D2%26productCategoryID%3D47%26productID%3D1526

-Tha Mp3 Doctor

Posted on Feb 21, 2009

  • 1 Answer

SOURCE: Make my Panasonic SA-PT560 Home theatre system

what is the reference accessory for transmitting audio wirelessly to rear speakers and the order or

Posted on Dec 24, 2009

award462
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SOURCE: need manual and instruction for panasonic home theatre SA-PT560

http://www.fixya.com/support/r4964670-get_manual_most_any_electronic_device

Posted on Jun 03, 2010

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Lip sync problems


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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.
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    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"]

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