| 摘要 |
PROBLEM TO BE SOLVED: To down-load only a necessary information file among information files for showing CM(commericial), new music information, etc., to a communication KARAOKE (orchestration without lyrics) equipment installed in plural regions. SOLUTION: The host equipment stores all the music files and information files and stores the list (information list) of necessary information files for every region of plural regions A to D where the communication KARAOKE equipment is installed. At the time of down-loading a music file to one communication KARAOKE equipment, an information file is down-loaded at the same time, and an information file necessary at the region is decided based on the installing region of the communication KARAOKE equipment and only the necessary information file is down-loaded by being united with the music file so as to improve the processing efficiency and communication efficiency. At this time, the list of the information files possessed by the communication KARAOKE equipment is required and only a part of shortage is down-loaded to improve efficiency. |
