INTERLEAVING OF BASE AND ENHANCEMENT LAYERS FOR HD-DVD

摘要

A method of providing multiple versions of a digital recording by multiplexi ng a base layer (112) with an enhancement layer (124) on a storage medium (126) . The base layer (112) can have base data representing a first version of the digital recording and the enhancement layer (124) can have enhancement data which can be combined with the base data to represent a second version of th e digital recording. The first version of the digital recording can include standard definition program content, and the second version of the digital recording can include high definition program content. The base layer (112) and the enhancement layer (124) can be interleaved.