Windows 10: Audio stutter & crackling (Windows 10 Pro 1909 and 20H2)

Note: This is a re-post. I noticed I forgot to put a proper title on the previous post.



Hello.

A Short description of my problem:

Just a few days before I upgraded to Windows 10 20H2, I was still on 1909. I started to notice that my sound ocassionally stuttered and crackled and audio was de-synced from visualizers in my media player (foobar2k). At first I thought my harddrive was starting to fail, but I still got the same problems from audio files on other drives/ssd disks and I later also noticed that youtube videos were getting de-synced. The problem still occured after updating Windows to 20H2.

After some troubleshooting, I noticed that the de-sync problem occurs after I ran a VM (A Windows 7 Pro VM with 12GB ram dedicated to it). I had a few months earlier bought a extra set of RAM sticks, but these where different from the once I had installed (2x8GB 2666MHz compared to 2x8GB 2333MHz I already had).

I fixed the de-sync problem by forcing BIOS to use 1066MHz as my RAM speed (for some reason, BIOS aimed at running all my RAM sticks at 1333MHz), so no more de-synced audio, even after running a VM.

But the stutters and crackling still occurs. It happens on all outputs, through the connectors on my motherboard (Realtek HD Audio, drivers from 2018ish) and HDMI (Nvidia HDMI audio, updated last week).



My setup:

• Windows 10 Pro 64-bit, currently with 20H2.
• Asus Z170 Pro Gaming Motherboard. Desktop.
• Inte iCore 5 6500 at 3.20GHz, not overclocked to my knowledge.
• 32GB RAM, 2x8GB at 1066MHz Corsairs, 2x8GB at 1333MHz Crucial, both running at 1066MHz.
• Nvidia GTX 950.
• Realtek HD Audio on MOBO.
• Intel Ethernet I219-V chipset on MOBO.
• TP-Link Gigabit PCI-E Adapter.

This is what I've tried so far:

• Use LatencyMon to see what might cause it.
• As recommended by Latencymon, I have tried changing my power managment and overclocking settings. My BIOS is currently set to not overclock anything, and I can't seem to find the throttling settings in the BIOS.
• Change buffer on foobar2k.
• Uninstalled and re-installed the realtek drivers (microsoft's own drivers).
• Tried to install drivers from my motherboard maker (Asus, drivers from 2016), but Win10 force-installs the latest drivers.
• On Realtek: Changed bitrate settings, changed exclusive settings, all audio effect turned off.

Things I've forgotten to test after changing the BIOS RAM settings:

• Try a different media player, other than foobar2k.
• Listen to see if Youtube videos still stutter or crackle.

Things I need to test:

• I have seen an other reddit post and a weblog post somewhere else mentioning that the Realtek internet driver (ndis.sys) can cause some issues. LatencyMon occassionally mentions that the internet drivers can cause an issue. I have yet to try to uninstall and re-install (b-b-b-but my internet!!!)
• A different OS. I might give a Linux-on-disc a go, as I don't have any other OS installed.

If anyone can give me some more pointers, I'd be happy. I'm just happy I managed to fix my de-sync problem because I occasioanlly DJ with VirtualDJ and that would be a mess if it gets out of sync (CLANGERS!!!)

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:)

 

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I've disabled audio enhancements and tried changing audio formats, but the problem persists.

I spent two days looking for a solution and I tried literally everything.

The best I can do is explain the problem a bit further.

Basically when audio is played on the PC there's a pop right at the beginning. Playing/pausing a video whether it's a local file or a Youtube video does the same thing (happens randomly). I made sure it's not a hardware problem by trying my Schiit stack on both my laptop and PC. After that I tried both the onboard audio of my laptop and PC. They both had the same problem. I even reinstalled windows just in case, but that didn't help. This started 3 days ago and I'm really confused and trying to figure out what is causing this. You can check out what I wrote in the thread at the beginning of the list of things I tried.


Here's a pic of what you asked, and thanks again for replying!