As you said, I could imagine that maybe, maybe a specific white noise file is copyrightable. This would be similar to how typeface copyrights work. The specific

As you said, I could imagine that maybe, maybe a specific white noise file is copyrightable. This would be similar to how typeface copyrights work. The specific font file for Helvetica Neue is copyrightable, but printing out the letters, tracing them, and digitizing that to make your own font is legal (in America at least).