3-2 Inter-channel Rate Control Function for H.264/AVC 4-channel Video Encoder

Abstract

This paper describes an inter-channel rate control method for an H.264/AVC 4-channel video encoder. The proposed method makes it possible to encode each video to the same extent subjective image quality by adaptively changing the encoders' target bit rates according to each video characteristics. The method can be used in various applications, including broadcast contribution and distribution. At BD-bitrate it improves the encoding efficiency obtained with constant bit rate coding by about 9.2%.