Among a first and second video data each being variable length coded data such that an occupancy of a decoder buffer is neither overflown nor underflown, having an end code at a rear end thereof and being comprised of a plurality of compressed portion data, a value related to a buffer occupancy at a...http://www.google.com.hk/patents/US6154494?utm_source=gb-gplus-share專利 US6154494 - Variable length coded data processing method and device for performing the same method
