Need Help with a audio filter.

[Trebor]

… I want to make a audio file sound like the Bioshock Infinite voxophones …

How to make your voice like this? (Presumably helmet-radio)

Yes, different hiss & crackle in each channel would be ideal: then it could be used to emulate lo-fi stereo speakers, (e.g. boombox). Helmet Radio 1-5.NY (2.15 KB)