Abstract: An audiovisual information data processing apparatus includes: data forming means for forming content list data representing lists concerning audiovisual information data stored in a hard disk drive; image display means for performing image display for the lists; attribute information detecting means for detecting, for the audiovisual information data included in the lists, the reproduction limitation information; reproduction limited data recognizing means for recognizing audiovisual information data, which comes into a state in which reproduction limitation functions, of the audiovisual information data included in the lists as reproduction limited data with reference to the detected reproduction limitation information; and image display control means for setting a display portion concerning the audiovisual information data, which is recognized as the reproduction limited data in the image display for the lists, as a portion where specific display is performed.

Abstract: The music data (output-prohibited music data) downloaded to the client terminal 2 cannot be output until it is formally purchased. In addition, this music data can be reproduced only while the user of the client terminal 2 is being registered to pay the predetermined fixed charges. Therefore, this prevents from hurting the interests of copyright owners or the like. And the client terminal 2 can acquire music data more efficiently, since it does not have to repeat a process of downloading music data.

Abstract: A content player includes a communication unit configured to communicate with a server for authentication of the content player. The content player further includes a storage unit configured to store streaming content data received by the communication unit when the authentication of the content player is completed successfully. The content player further includes a reproducing unit configured to reproduce the stored streaming content data. The content player also includes a control unit configured to control the storage unit not to delete the stored streaming content data, and allow the reproducing unit to reproduce the stored streaming content data under the situation that the communication unit does not communicate with a server.

Abstract: An audiovisual information data processing apparatus includes: data forming means for forming content list data representing lists concerning audiovisual information data stored in a hard disk drive; image display means for performing image display for the lists; attribute information detecting means for detecting, for the audiovisual information data included in the lists, the reproduction limitation information; reproduction limited data recognizing means for recognizing audiovisual information data, which comes into a state in which reproduction limitation functions, of the audiovisual information data included in the lists as reproduction limited data with reference to the detected reproduction limitation information; and image display control means for setting a display portion concerning the audiovisual information data, which is recognized as the reproduction limited data in the image display for the lists, as a portion where specific display is performed.

Abstract: An audiovisual information data processing apparatus includes: data forming unit for forming content list data representing lists concerning audiovisual information data stored in a hard disk drive; image display unit for performing image display for the lists; attribute information detecting unit for detecting, for the audiovisual information data included in the lists, the reproduction limitation information; reproduction limited data recognizing unit for recognizing audiovisual information data, which comes into a state in which reproduction limitation functions, of the audiovisual information data included in the lists as reproduction limited data with reference to the detected reproduction limitation information; and image display control unit for setting a display portion concerning the audiovisual information data, which is recognized as the reproduction limited data in the image display for the lists, as a portion where specific display is performed.

Abstract: The music data (output-prohibited music data) downloaded to the client terminal 2 cannot be output until it is formally purchased. In addition, this music data can be reproduced only while the user of the client terminal 2 is being registered to pay the predetermined fixed charges. Therefore, this prevents from hurting the interests of copyright owners or the like. And the client terminal 2 can acquire music data more efficiently, since it does not have to repeat a process of downloading music data.

Abstract: An audiovisual information data processing apparatus includes: data forming means for forming content list data representing lists concerning audiovisual information data stored in a hard disk drive; image display means for performing image display for the lists; attribute information detecting means for detecting, for the audiovisual information data included in the lists, the reproduction limitation information; reproduction limited data recognizing means for recognizing audiovisual information data, which comes into a state in which reproduction limitation functions, of the audiovisual information data included in the lists as reproduction limited data with reference to the detected reproduction limitation information; and image display control means for setting a display portion concerning the audiovisual information data, which is recognized as the reproduction limited data in the image display for the lists, as a portion where specific display is performed.