抄録
Along with progress in digital broadcast waves and popularization of the Internet, broadcast service has continued to evolve past the concept of conventional analogue broadcasting. In conjunction with Internet broadband, providers have begun providing audio and video content. With growth of broadband, the services provided by the two have come to resemble each other. In the age of broadcast/telecommunications, service calls for providing contents. Memories play a huge role in such services, from creation to provision of contents. Memories may be classified as temporary and long-term according to their function; optical memories are ideally suited for long-term storage of data. Performance of optical memories will have to be dramatically enhanced for them to be used as temporary memories.
