送信装置、受信装置およびその送受信方法

摘要

Disclosed is a transmitting apparatus. The transmitting apparatus comprises: a down-scaler for down-scaling multimedia data; a first encoder for encoding the down-scaled multimedia data; a first transmitting unit for transmitting the encoded multimedia data through a first transmitting network; a decoder for decoding the encoded multimedia data; an up-scaler for up-scaling the decoded multimedia data; a restoration data generating unit for generating restoration data using the up-scaled multimedia data; a second encoder for encoding the restoration data; and a second transmitting unit for transmitting the encoded restoration data through a second transmitting network.