Question: What founder of a trademarked brand name for a patented process used to create audio patterns containing binaural beats,became known for his research into altered consciousness and founding  of what?
Sentence (from "Hemi-Sync"): Hemi-Sync is a trademarked brand name for a patented process used to create audio patterns containing binaural beats, which are commercialized in the form of audio CDs.
Relevant evidence: Yes