Recording medium and playback device

摘要

To provide user-friendly information recording and playback, embodiments of the invention provide a recording medium having recorded therein audiovisual information; content identification information for identifying the audiovisual information; and locator information. In one embodiment, a playback device comprises a recording medium control module configured to read content identification information from a recording medium for identifying content of audiovisual information and locator information relating to the audiovisual information in the recording medium. The locator information relates to the audiovisual information for locating a provider of service information. A network control module is configured to connect with the provider of service information based on the locator information.