high cpu, and sound card issues with playing videos

hey, i have a problem when im playing all sort of video files

it causes the process system high cpu usage

i discovered that it is connected to sound driver

when im using speakers as my output the high cpu happens

when i use mt nvidia card output tv it doesnt happen

i can also say that i tried to install realtek driver from their website but windows didnt alow it

i can also send a video demonstrating how it happens