Freezes when I play music (on VLC & Firefox)

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1

When I play music, it freezes for 1-2 seconds. ( on VLC / Firefox )
GPU: Nvidia GTX 1650
Driver: 595.71.05 ( open )
Gnome: 50.4
Kernel: 6.18.46
NixOS: 26.05 x86_64 ( stable )
Ram: 15.53 GiB