Poor Audio Quality

Poor Audio Quality -- Launched the program a few times and wasn't able to hear audio through connected headphones. After attempting to mess with the full screen window for a while, I was able to click back into Marathon and hear very low fidelity game audio and had to force quit. I've tried to open the game a few times and I now only hear the low quality audio when I'm even able to make the game window active. Additionally, after quitting, the audio quality in Windows (volume feedback when moving the slider on the task bar) is also very low quality. It might be an audio driver issue but idk. ¯\_(ツ)_/¯