One embodiment of the present invention is a method for playing a portion of a media work which includes steps of: (a) playing the media work; (b) receiving input from a user; and (c) analyzing parameters to determine the portion of the media work to play; (d) altering at least a part of the portion;...http://www.google.de/patents/US20020194608?utm_source=gb-gplus-sharePatent US20020194608 - Method and apparatus for a playback enhancement system implementing a "Say Again" feature
