A method and system is provided to avoid the duplicate storage and transfer of multimedia data in a playback device, thereby increasing system bandwidth and available playback memory. A multimedia composition describes an edited piece of audio and video multimedia data. The composition is created and...http://www.google.com/patents/US6763523?utm_source=gb-gplus-sharePatent US6763523 - Intelligent transfer of multimedia data files from an editing system to a playback device
