Any tips to reduce audio delay? [Quest] :: Virtual Desktop General Discussions

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Strnadik Mar 18, 2020 @ 12:29am

Any tips to reduce audio delay? [Quest]

Hey! 1.10.2 practically solved all my visual-related concerns, I am getting 20-25ms and the gameplay could not be smoother. But I am getting annoyingly delayed audio. Before, I had more latency but at least video and audio were synced. Now I cannot play Beat Saber because even if I just look at blocks and it's very responsive, I cannot go with the beat.

Anyone had similiar issues with audio?

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Originally posted by ggodin:

Yep version 1.13 should reduce the audio delay considerably

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Showing 1-15 of 15 comments

ggodin [developer] Mar 18, 2020 @ 6:31am

For rhythm games, like Beat Saber, there’s an option to adjust the sound delay. That being said delay with audio is usually router related

derGarv Mar 27, 2020 @ 2:09pm

Well, I've got an audio delay of about 200ms compared to the video.
How should this be router related? Don't we have an AV stream including audio and video? How should a router split this?

ggodin [developer] Mar 27, 2020 @ 2:10pm

Video and audio are sent on different sockets (ports) and sometimes routers will prioritize certain traffic

derGarv Mar 27, 2020 @ 2:14pm

Okay... But why is this? Would rendering this as a single stream introduce additional delay on a powerful PC?
How could I get around this? Maybe connect the quest to the PC in wifi directly without a router in between?

Last edited by derGarv; Mar 27, 2020 @ 4:12pm

ggodin [developer] Mar 27, 2020 @ 2:52pm

Would be worth a try to use a hotspot to see if it’s your router causing issues

derGarv Mar 27, 2020 @ 3:20pm

Okay. Sounds valid. I am currently waiting for new wifi antennas for my 9260NGW wireless adapter. I will report when they arrived.

derGarv Mar 30, 2020 @ 1:57pm

So I connected the quest to my PC's wifi (without using a router).
This didn't change the audio delay at all. It's still about 200ms.

So there must be another reasont for the A/V to be async. What could it be?

Last edited by derGarv; Mar 30, 2020 @ 2:32pm

ggodin [developer] Mar 30, 2020 @ 4:49pm

I’m looking into it

Ben Dover Apr 6, 2020 @ 12:20am

Any news on this?

ggodin [developer] Apr 6, 2020 @ 1:58am

It’s crazy complex to optimize audio in Android. I’m making progress but it’s taking longer than anticipated

#10

derGarv Apr 6, 2020 @ 3:51am

I still think it might be easier to encode audio and video together as one stream.

#11

de1mosanomaly Apr 15, 2020 @ 4:04pm

Hi, I was about to write that I experience the same audio latency issue when I spoted the availability of beta release 1.13.0.
I just tried it and now audio seams perfectly aligned with video. I'll test it more on coming days but it appears very promising already.
Awesome job and many thanks!

#12