Hypnosis
Hypnosis is definitely a psychological state or perhaps a set of attitudes and beliefs.
When you induce a specific state of mind by way of pre-recorded audio and also other media, you happen to be accomplishing self hypnosis. Self hypnosis is completed from the absence of the hypnotist, but from the presence of ailments acceptable to inducing the mental point out of hypnosis to one's self.
Autosuggestion is closely relevant to hypnosis.