Fragrance delivery for multimedia systems

Apparatus and methods for fragrance sensory stimulation connected to a multimedia source that has at least one audiovisual signal connected to an audiovisual display, and also has fragrance information synchronized with the audiovisual signal is disclosed. In preferred embodiments, a fragrance generator processes the fragrance information into a fragrance signal and at least one fragrance control system accepts a fragrance signal as an input, and generates a control signal and a controlled airflow. In turn, a fragrance delivery system preferably comprising a plurality of fragrance chemicals in communication with the controlled airflow, selectively volatilizes the fragrance chemicals is so that a short burst of fragrance is sensed by the subject. In certain embodiments, the fragrance delivery system comprises an indexing turret containing a plurality of ports, each port containing one of said plurality of fragrance chemicals. In other preferred embodiment, a multiport micro-valve or array of such valves contains an absorbent material impregnated with a fragrance in each port.