A method and apparatus are provided for communicating VBI user information for digital television. A syntax is provided which allows the transport of closed captions, non-realtime video, sampled video and AMOL. Non-realtime video can be used to transport various types of data, such as a vertical interval...http://www.google.de/patents/USRE37620?utm_source=gb-gplus-sharePatent USRE37620 - Bandwidth efficient communication of user data in digital television data stream
