no audio on raspberry pi 5

Hey guys, ive had my pi for about 6 months now but just decided to try and use it as a media device. I tried setting everything up, the rpi is now connect with a TV via HDMI. The sound should be working since there are speakers in the TV itself and i also tried connecting external speakers to the TV. When connecting my bluetooth earphones to the raspberry pi there is a little bit of sound but it lasts for 2 secs max and the stops for 10 secs and then continues this pattern. Does anyone know what could be the issue and how i could solve it? Thanks!

found this, but it didn't help me either (under "no audio output or crackly audio output") maybe this helps you though https://github.com/moonlight-stream/moonlight-docs/wiki/Installing-Moonlight-Qt-on-Raspberry-Pi-4