In accordance with one or more embodiments of the invention, a
reproduction engine for reproducing A/V data stored on an interactive DVD
comprises a navigator connected to a temporary data storage unit for
loading A/V data from the interactive DVD into a first section of the
temporary data storage unit, and for loading enhanced data associated
with the A/V data into a second section of the temporary data storage
unit; a decoder for decoding the A/V data and the enhanced data loaded
into the temporary data storage unit; and a presentation engine for
reproducing the decoded A/V data and the enhanced data in accordance with
control information stored on the interactive DVD.