Patent ID: 7986732

Claim:
A moving image compression-coding system conversion device for mutually converting a coded bit stream between a transmission side moving image coding device and a receiver side moving image decoding device having different moving image coding-decoding systems, the moving image compression-coding system conversion device comprising: a decoding unit for decoding a moving image signal, which is compression-coded, outputted from the transmission side moving image coding device; a coding control unit for setting a parameter for compression-coding based on received decoding information outputted from the receiver side moving image decoding device; and a coding unit for compression-coding the moving image signal decoded by the decoding unit by using the parameter for compression-coding outputted from the coding control unit, wherein the coding unit starts operation when control information outputted from the coding control unit is inputted, performs intra-frame coding to a first frame after starting the operation, and performs inter-frame prediction coding to a subsequent frame.