Audio Video Sync problem

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Audio Video Sync problem

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BillMc

Junior Member

26. September 2006 @ 09:35

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I notice certain times the audio signal is slightly behind the video portion of the broadcast. When watching a baseball game you hear the ball hit the catchers glove a few fractions of a second after you see the ball hit the glove. Could this be equipment or setup related. I am getting my high def signal from an HD set top box supplied by the local cable company.

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Largarto_

Suspended due to non-functional email address

12. October 2006 @ 18:06

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What are you utilizing for your Audio? Just the Set?s built in or external sources? Is the Set the main junction or are you using an A/V receiver as the junction point?

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?We are all actors portraying ourselves, to other actors portraying themselves?

BillMc

Junior Member

13. October 2006 @ 09:06

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My source signal is from a cable box. Audio is fed into the SAT input of my audio receiver and then out to the speakers. This problem is not a constant problem, varies from cable "channel" to "channel" and from time to time. I am beginning to suspect that the problem is coming from the source signal (from the broadcaster).

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Largarto_

Suspended due to non-functional email address

13. October 2006 @ 14:30

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It could be the SP, I guess. Does the delay only occur on the true HD broadcast instead of other standard cable channels? Can you receive OTA HD and if so, do you experience the same delay?

If your audio feed to you?re A/V receiver is from your cable box instead of from your HD set, you can also experience a delay in audio. Sometimes, it?s very noticeable, other times not, depending on what kind of HD set you have and the broadcast.

Instead of the typical set-up with the A/V receiver being the main hub/switching/control point, try the HD set instead. Of course, the delay factor/amount in your HT set-up can vary also depending on various things, such as are you using analog or optical connections between components? A lot can be eliminated though by routing through the set.

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?We are all actors portraying ourselves, to other actors portraying themselves?

BillMc

Junior Member

16. October 2006 @ 09:02

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Thanks, I'll try routing through the HD set first and see if it makes a difference.

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large1yes

Newbie

11. November 2006 @ 22:38

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hey this might be obvious, if its only happening for fast action like that, filmed from some distance, it could just be the sound travels a lot slower to the microphone than the light does to the camera.
if it happens when watching someone talk, its obviously something else

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"All generalizations are false"

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