Abstract: A supplemental audio content system is for providing supplemental audio content to movie patrons during playing of a motion picture film and associated soundtrack in a cinema of cineplex including a plurality of individual cinemas. The system may include a player for playing supplemental audio content during playing of the motion picture and associated soundtrack, and a wireless transmitter connected to the supplemental audio content player. An earphone may be worn by the movie patron, and the earphone may be connected to a wireless receiver to cooperate with the wireless transmitter to deliver supplemental audio content to the at least one movie patron. The wireless transmitter and wireless receiver preferably have operating characteristics to avoid interference with respective supplemental audio content systems for other cinemas of the cineplex.

Abstract: A supplemental audio content system may include a storage device for storing supplemental audio content, a time tagger cooperating with a clock for generating time tagged identification data based upon identification data from the motion picture film during playing thereof, and a synchronizer for synchronizing playing of the supplemental audio content with playing of a motion picture film and based upon the time tagged identification data. The supplemental audio content may supplement the primary or main movie soundtrack. The supplemental audio content may include spoken words and be devoid of music or sound effects. For example, the supplemental audio content may comprise alternate language audio content, or may comprise descriptive narrative audio content, such as to assist the sight impaired.