To provide a tapeless system achieving high-speed acquisition of detailed information of materials in broadcasting service.

When in a tapeless system 100, a user performs a material list display request by designating a search condition from a display 30 for a material list display, the material list request is transmitted to an editor 20a, as shown in step S101. The editor 20a transmits the material list request to a video server 10a, as shown in step S102. The editor 20a can also perform a detailed information request with respect to the editor 20a on the background by transmitting the material list request to the video server 10a, as shown in step S103. The video server 10a transmits material list data, which are basic information of materials, to the editor 20a, as shown in step S104. The video server 10a also transmits the detailed information data to the editor 20a, as shown in step S106.