crackling sounds on playback - Davinci Resolve Studio 17

Dear DaVinci Resolve Users,
I currently have "crackling sound" on playback in Davinci Resolve Studio (17.1.1). Until a view weeks ago I used Resolve 17 beta (free Version). I think there it was not the case. But of course all the rendering my processor was doing and now with the workload on the graphic card the processor is down to some 15%.
What I have found out so far:
Standard setting with GPU Configuration:
GPU processing mode X Auto CUDA
GPU selection Auto
-> crackling sound, hanging mouse
Graphic Card: NVIDIA GeForce RTX 3060 Ti - 8 GB RAM
With all other applications on my PC there is no such noise or problem
The strange thing is, that it is only on the external USB soundcard. I have already setup a different external sound card - same problem.
When Davinci Resolve is open, also my Wireless Logitech Mouse is sometimes hanging and Windows Sound also have this crackling artefacts.
I have installed windows completely new. Still the same.
When I choose another sound output I don't have this issue (like onboard sound from the motherboard).
What could be the reason? I could not find anything to this issue in the internet.
Hope someone have an idea with that.
PC hardware is:
Processor AMD Ryzen 7 3700X
Motherboard Asus ROG STRIX B550-F Gaming
Graphic Card: NVIDIA GeForce RTX 3060 Ti - 8 GB RAM
RAM: 32 GB
SSD Harddrive
Audio Interface: Focusrite Scarlett 2i2 - 3rd Generation USB Audio
All latest drivers and Software is installed.
Please help...I'm getting crazy!!!
Thanks in advance.
Andreas
I currently have "crackling sound" on playback in Davinci Resolve Studio (17.1.1). Until a view weeks ago I used Resolve 17 beta (free Version). I think there it was not the case. But of course all the rendering my processor was doing and now with the workload on the graphic card the processor is down to some 15%.
What I have found out so far:
Standard setting with GPU Configuration:
GPU processing mode X Auto CUDA
GPU selection Auto
-> crackling sound, hanging mouse
Graphic Card: NVIDIA GeForce RTX 3060 Ti - 8 GB RAM
With all other applications on my PC there is no such noise or problem
The strange thing is, that it is only on the external USB soundcard. I have already setup a different external sound card - same problem.
When Davinci Resolve is open, also my Wireless Logitech Mouse is sometimes hanging and Windows Sound also have this crackling artefacts.
I have installed windows completely new. Still the same.
When I choose another sound output I don't have this issue (like onboard sound from the motherboard).
What could be the reason? I could not find anything to this issue in the internet.
Hope someone have an idea with that.
PC hardware is:
Processor AMD Ryzen 7 3700X
Motherboard Asus ROG STRIX B550-F Gaming
Graphic Card: NVIDIA GeForce RTX 3060 Ti - 8 GB RAM
RAM: 32 GB
SSD Harddrive
Audio Interface: Focusrite Scarlett 2i2 - 3rd Generation USB Audio
All latest drivers and Software is installed.
Please help...I'm getting crazy!!!



Thanks in advance.
Andreas