Question Asus X570 SPDIF Audio static and screeching.

reubenno

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Hello. Today I noticed that there was a screeching and static popping sound coming from my Optical Audio DAC/Amp.
This issue occurs when I preview video files in Windows 10, and when I open the files it takes quite a while for the audio to actually come through.
The other audio ports on the PC work fine (both front and back). I have tried another optical audio cable and experience the same issues. I've tried rolling back drivers and updating drivers to no avail. I'm not sure if it is an issue with the amp/dac, or the Realtek digital audio output.

Youtube has no issues with playback, it seems to be only media files stored locally on my PC. Whenever I go to play one I hear a pop, as though the amp is being turned on.

My PC specs are as follows.
3700X
Asus X570 TUF.
16gb Crucial Ballistix LT.
SMSL Sd793ii (amp/dac).

This issue occurs through the headphone jack and the speaker outputs on the back of the amp too.
Any help would be greatly appreciated.
Thank you.
 
Last edited:

010010

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It may be worth trying a third party media player to narrow down the issue, I recommend VLC over the in built windows one. I presume it's a software issue since Youtube plays fine.
 

reubenno

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It may be worth trying a third party media player to narrow down the issue, I recommend VLC over the in built windows one. I presume it's a software issue since Youtube plays fine.
Thanks
for your reply. VLC has the same issues. It's when I hover over the video in file explorer and it begins to autoplay, I get this horrible distortion and screeching.

It doesnt happen with the other audio ports. I'm unsure if this autoplay preview behaviour is normal for Windows 10, I'm playing .mkv files.

Thanks again.
 

reubenno

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UPDATE: I fixed the issue, a Windows update (in all its wisdom) changed my audio device from 24bit to 16bit, which caused the noise. I've fixed it by changing it back. I Love Windows 10.
 

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