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Forums › Home Theatre › Audio out of sync


50 posts

Geek
Topic # 105881 12-Jul-2012 23:02 Send private message

Hi all,

I have my pc connected to the TV using HDMI, audio is connected using an optical cable to a Denon AVR-3803 receiver. I noticed that the audio is faster than the video, how can I resolve this? I know I can delay the audio from the VLC player itself but I would like a more permanent solution. Is there something that I can change on the AV receiver itself?

Cheers
Jackson

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1534 posts

Uber Geek

Subscriber
  Reply # 654836 13-Jul-2012 00:04 Send private message

The audio delay is caused by something called input lag (or display lag).
http://en.wikipedia.org/wiki/Display_lag

It's the time it takes for the signal to be processed by the TV.
When you are using a receiver to handle the audio signal, because the receiver is processing the audio in real time, and the TV isn't, this causes the delay between the video and audio. i.e. The Video is playing later than the real-time audio track because the TV is taking slightly longer to show the video signal.

There should be an option on your AV receiver to delay the audio so that it matches the video playback.
It's usually called Audio delay or lip sync delay. Have a look through your settings menus, or refer to the manual to find it.



50 posts

Geek
  Reply # 654979 13-Jul-2012 11:48 Send private message

cheers mate, I will give this a go. :)

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