I often had out of sync problems with some commercial dvd , the sound had a little delay with the picture and sometimes on the same dvd one part is o.k. and another part is out. What can I do to resolve this ?
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Have you connected the Blu-ray player to an AV receiver. If so you can go into the setup of the Receiver and adjust the Lip Sync in some receivers its called Timebase Correction. It will be given in milli seconds. This adjustment allows the use to delay the voice in milliseconds to sync with the picture. Maybe even your Bluray player setup might have this feature. Mostly it is done by the Receiver.
It turns out there is a problem using hdmi cables with integrated amplifiers Denon dvd players (the 1940 series) - the hdmi cable processes the visual signal before the audio signal. Therefore there is what appears to be a lip syncing problem because there is a short 'time delay' between the visual and audio signals. I would advise anyone to simply use an AV reciever as they incorporate time delay technology so the visual and audio signals are in perfect sync. Luckily, Richer Sounds, where I bought the intergrated amp gave me a full refund, no quibbles or hassle. I would like to add I am unsure if the problem lies with just the Denon 1940 hdmi dvd players and intergrated amps or ALL hdmi players. Also, I was trying to achieve a simple 2 speaker set up with the amp.
The forum on What Hi-Fi document this problem with much better clarity and technical explanation that my understanding of the problem. However, the lesson learned is, if you want any speaker set up with your dvd player, use a dedicated AV reciever.
Are the movies you're watching store purchased DVDs? Sometimes with downloaded movies, the audio and video are just out of sync.
If they're store bought, it's possible that you've got a delay set in your receiver. Consult your receiver's operating manual to see if there's a "delay" option.
It's also possible that you're hearing that delay in the TV speakers.
If you've got the audio coming through the receiver AND the tv, you'll hear a slight delay when the audio's traveling from the DVD player to the television itself. This could happen "sometimes", if the tv volume is on, and not happen when the tv volume is off.
Did you check the sound setup? I know it can be setup for such a delay.
If I remember correctly (I don't have my DVD in front while answering) you access this setup by clicking on the remote control on the button on the right of the "HOME" button (I think this is the "OPTION" button): ont the pop up menu, you then have to choose the top menu (this is something like "SETUP"), and then choose sound: you will see that you can scroll there to delay or not the sound. Maybe, in your case, it is not set on the '0'.
Since I am not sure I remember correctly how to access this menu, I suggest you eventually look for it on your user guid.
Hope this helps
Unfortunately, that is a deficiency with your DVD player. Are the discs dual-layer? That is also a common symptom due to the complex design of dual-layer DVDs. There really is no way to improve this problem because it's all a matter of your DVD player's processing power. Apparently it could use a little more. Sorry. Good luck!!
Does the Sony surround upscale the signal from normal RCA to Component video? If so I have found that sometimes there can be signal sync issue. Meaning the signal that the component video convertor (inside the surround sound unit) sometimes struggles to give a clean component video signal. The TV then struggles to filter the signal correctly resulting in a jumping picture. Try plugging the DVD video only (yellow RCA lead) straight into the plasma and see what happens. You can also try playing with the signal frequency of the plasma, from 50 - 60hz. This will found in the menu of the plasma. Hope this helps. ST
This can some times be caused by VBR audio encoded files as opposed to CBR audio some standalone DVD players will exhibit sound lag in this case. It is a good idea to re-encode the VBR to CBR audio this usually solved the problem.
Although this is usually with DivX (AVI) files that have been re-authored to DVD-Video I suggest that you convert all audio to CBR to avoid any such errors.
this conversion process it a bit of a long way around I know, but it does work!
1) Open video in VirtualDubMod or VirtualDubMP3 (if there is an index error this can sometimes fix it for you.
2) Ignore the error warning that the video contains vbr audio.
3) Extract audio as mp3 ("demux" in VdubMod or "save as wav", then rename to mp3 in VdubMP3).
5) Open original video in VirtualDub,
choose "direct stream copy" for video and "Wav audio" with "Full audio
processing" with cbr mp3 compression (and interleaving with appropriate
delay if out of sync) for audio.
You could also use several other methods including AVIDemux which uses VDub Mod or scan in the DVD-Video using TMPEnc v4.0 Xpress and applying a time lead OR lag however this doex not solve a progressive lag but can be used to reauthor a fixed error.