HIERARCHICAL BURST COMMUNICATION SYSTEM

摘要

PURPOSE:To suppress the influence for the deterioration in a quality to a burst deficiency to a minimum by applying a hierarchization according to the contribution of the quality and a precedence according to the contribution of the quality and applying a proper redundancy suppressing technique in the respective hierarchies. CONSTITUTION:Input data 1a from a video data source 11 is divided into three hierarchies 2a-2c, for instance, different in the contribution for the quality in a hierarchization part 12 and a redundancy suppression encoding proper for the respective hierarchies in view of the repercussion of the deterioration in the quality is applied. The encoded data 3a-3c of the respective hierarchies 2a-2c is once decoded in a reverse hierarchization part 14 and the decoded data 19 is compared with the input data 1a in a quality decision part 15. The contribution to all the quality is decided, a signal relating to the precedence is fed to a precedence applying part 16, and a precedence applied packet or burst 21 is outputted.