Communication system and its method and communication apparatus and its method

摘要

This invention relates to a communication system including a first apparatus having a first storage medium, and a second apparatus for transmitting data to the first apparatus, the second apparatus comprising: a second storage medium for storing management information of data to be transferred to the first storage medium; communication means for communicating data with the first apparatus; edit means capable of editing the management information; and control means for making a control to transfer data stored in the second storage medium to the first storage medium by way of the communication means on the basis of the management information edited by the edit means.

主权项

1. A communication apparatus configured to transfer musical content data to a portable apparatus, comprising:
a data interface configured to interface with the portable apparatus; and circuitry configured to judge whether the portable apparatus and the communication apparatus are connected, determine, after judging that the portable apparatus and the communication apparatus are connected, whether an identifier of the portable apparatus corresponds to an identifier stored in the communication apparatus that uniquely identifies the portable apparatus among a plurality of portable apparatuses, receive, after determining that the identifier of the portable apparatus corresponds to the identifier stored in the communication apparatus, a second list of musical content data of the portable apparatus from the portable apparatus, compare, after determining that the identifier of the portable apparatus corresponds to the identifier stored in the communication apparatus, a first list of musical content data of the communication apparatus with the second list of musical content data of the portable apparatus received from the portable apparatus, the first list being associated with the identifier stored in the communication apparatus, identify first musical content data that is in the first list and not in the second list responsive to the comparison between the first list and the second list by the circuitry without a user's designation of the first musical content data, control transfer, from the communication apparatus to the portable apparatus, of the identified first musical content data that is in the first list and not in the second list, and control playback of musical content data based on the first list so that the musical content data referenced in the first list is played back as a collection.