A digital VSB transmission system and enhanced data multiplexing method are disclosed. When ½ enhanced data coded at a rate of ½ and ¼ enhanced data at a rate of ¼ are transmitted, timing jitter in MPEG of VSB receiver can be reduced and the size of input buffer in MPEG decoder of the VSB receiver...http://www.google.de/patents/US20090037794?utm_source=gb-gplus-sharePatent US20090037794 - DIGITAL TRANSMISSION SYSTEM WITH ENHANCED DATA MULTIPLEXING IN VSB TRANSMISSION SYSTEM
