I haven't played the game to get an achievement yet sense I can't hear, but that is interesting. I do have an idea on why the sound wont work, i don't know what frequency the game plays on but my TV only allows 44.0 kHz and 48.0 kHz.

What are the sample rates for SCPs' sound.

I just disconnected my headphones and there is still now sound going out of the TV speakers, is it possible that SCP was not made to be able to send audio over HDMI.

There is no error message, The Undertow games clip at game launch, not new game intro, has perfect sound, but right after all sound is lost.

Game volume is fine. Still doesn't work with noise maxed.

The mixer is at maximum.

I meant the Undertow Game clip at launch, then there is no sound, I have tried the no intro too. I know that no files are bad because I used the same files on a different computer and it worked fine.

Every time I start a game session there is no audio for me. The beginning clip has audio, but nothing else does even tried to mess with the audio setting. I have a nvidia graphics card and I use an HDMI cable to connect it to my TV and from my TV is were I plug my headphones. I am tinkling that may ...