A method of encoding a local time base embedded in the compressed data is disclosed. The local time base is encoded in two parts. The first part has a modulo time base that indicates the specific interval in the reference time base and the second part has a time base increment relative to the reference...http://www.google.de/patents/USRE39115?utm_source=gb-gplus-sharePatent USRE39115 - Method for display time stamping and synchronization of multiple video object planes
