Weird Audio Visual Desynchronization Issue, Any Help Appreciated!


Novice Member
Hey Everyone,

I apologize if this isn't in the right place. I have an Onkyo Ht-S3500 sound system out in the living room http://*******/RB7Gog, and a Sony Bravia T.V http://*******/RB8nho. I've been trying to play games out there from my computer in an adjacent room, to that end I have a Nvidia Geforce 460 Graphics card, and a SB Recon Pcie sound card, with an hdmi cable going from the graphics card to the onkyo receiver and a SPDIF/toslink cable going from the sound card to the receiver.

I get this weird audio visual desynchronization issue with anything I play on the T.V (movies, games, anything). I can 'fix' this by adjusting the AV setting on the onkyo receiver to around -170MS. However, it was only recently that I started trying to play games out there. As it turns out, the receiver only supports 1080i, and 30hz seems pretty low for gaming on, so I switched the hdmi cable over to the T.V which gives me full 1080p.

The problem is that when I do this I can no longer adjust the AV setting on the receiver to a negative amount, it only lets me set it positive, the result being that the lips and the voices are way off (as well as every other sound). I've tried adjusting the speaker distance config in the system to fake a delay, but it just doesn't help enough. My brain isn't really working anymore after 8 hours of working on this, is there something I'm missing or any other solution out there?

Any help would be greatly appreciated!

- Adam

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