A method for fast channel switching based on MPEG Media Transport for broadcast TV

This paper proposes a method for fast channel switching using the MPEG Media Transport (MMT) standard. Based on the multimedia data formats specified in MMT, data units such as media processing units (MPU) and signaling messages will be sent according to the order derived from data unit format. During broadcast, the MPU size is designed with careful consideration of bandwidth utilization and synchronization between different devices when receiving broadcast data. Additionally the sending order of UDP packets belong to an MPU is set such that fast channel switching time is achieved when user accesses channels randomly. To evaluate the proposed method, theoretical analysis of the method was performed and results are presented. The results show that software solution using of this method can achieve shorter channel switching time than prior broadcast TV solutions.