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Selective Audio Delay on Xonar DX

M

ModusPwnens

n00b
Joined
Mar 5, 2014
Messages
4
I'm facing a very strange delay of about 100-200ms.

I picked up a set of Astro A50 headphones a few weeks ago and went out and bought a Xonar DX sound card upon the recommendation of a number of posts in their forums and elsewhere to take advantage of the Dolby Digital Live on the card. After much fiddling, I finally did manage to get it working. The problem is that I get about a 100-200ms delay, which is absolutely unbearable for watching or playing anything where people are talking (the lips don't match up with the voices).

I've tried the driver on the disc that came with the card, the more recent "beta" driver (it seems it never LEFT beta), and the UNi Xonar driver. All of them seem to lead to this same infuriating problem.

My configuration for the Xonar DX is just 6 channels and Dolby Digital Live enabled and the headphones plugged into the optical out. Everything else in the settings is turned off and I definitely have the right device set as the default in Windows 8. Onboard audio is disabled in the BIOS too.

I don't get any lag when I switch to speakers instead and, strangest of all, I don't get any lag in Windows Media Player (just everywhere else - youtube, VLC, etc.).

The latter part is what is so deeply mystifying to me. I could understand if the DDL encoding was causing some latency (though I'm not sure I'd believe that people were recommending a card that adds 100ms latency to audio), but since I'm not getting latency in WMP, I don't know what to think.

Any insight at all?
 
Ugh... sounds like a horrible problem to run into. I think I'd upgrade to Win8.1 either way and do a fresh UEFI install. I know that's probably not what you want to hear but I think my only other suggestion would be to return the thing.
 
Yes, DDL takes time to convert the audio, thus 100-200ms latency, there's nothing you can do about it. Same thing happens with my SB - sound from headphones comes before the sound that comes thru DDL->Optical->Receiver->Speakers.
As for WMP, perhaps DDL does not convert it at all and puts it straight thru as it is just a simple stereo.
 
I should have said 8.1 - and it was a fresh install, with a fresh UEFI install.

As for the DDL, it definitely shouldn't take 100-200ms. Even ignoring what it should do, it's very definitely passing the DDL in WMP, so it's certainly not some fundamental problem of latency.
 
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