Metallica - Master Of Puppets Рџ”љ12d Audioрџ”љ (multi-directional) 〈FULL〉

: The audio is manipulated using Head-Related Transfer Functions (HRTF) to simulate a multi-speaker environment within just two channels.

: By constantly shifting the sound between ears (bilateral stimulation), it creates a "live" sensation that some listeners find helpful for focus or stress reduction. Master of Puppets in High Definition : The audio is manipulated using Head-Related Transfer

: The "12D" effect typically refers to 12 simulated directions or layers where individual tracks—like James Hetfield's vocals or Lars Ulrich's drums—are "panned" to move independently around the listener. : The audio is manipulated using Head-Related Transfer