OBS Studio now supports NVIDIA NVENC AV1 encoder on GeForce RTX 40 GPUs - VideoCardz.com
nvidia - OBS NVENC Doesn't work Out of Box on 20.04? - Ask Ubuntu
OBS on Twitter: "NVIDIA Noise Removal is now directly available as a Noise Suppression filter! Harness the power of your NVIDIA graphics card to improve the quality of your microphone. (Requires an