BINARY ARITHMETIC CODING DEVICE

摘要

A binary arithmetic coder which is high-definition and capable of performing a real-time processing is provided. The processing of binary arithmetic coding with respect to the next bit is made possible by a binary arithmetic renormalization section (31) while a ternary data stream is converted into a binary data stream to output a coding bit by a binary conversion section (32) and an f value retention processing section (33) in order to output an updated coding section width and an updated inferiority probability section width at the timing at which the ternary data stream with respect to a target bit is outputted.