Systems and methods for providing enhanced navigation of stored digital video content based upon a content-based index. Includes generation and storage of an index, as well as navigation based on the segments defined by the index. An example system is embodied in a digital video recorder that generates...http://www.google.com/patents/US20040221311?utm_source=gb-gplus-sharePatent US20040221311 - System and method for navigation of indexed video content
