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    • 4. 发明申请
    • DIGITAL DATA DISTRIBUTION SYSTEM
    • 数字数据分发系统
    • WO02099558A3
    • 2003-07-24
    • PCT/US0151574
    • 2001-11-07
    • MATSUSHITA ELECTRIC IND CO LTDMATSUSHIMA HIDEKIOKAMOTO RYUICHIINOUE MITSUHIROKOZUKA MASAYUKI
    • MATSUSHIMA HIDEKIOKAMOTO RYUICHIINOUE MITSUHIROKOZUKA MASAYUKI
    • G11B20/10G10K15/02G10L11/00G10L19/00G11B20/00H04L9/08G06K9/03G06F13/00G06K9/36H04N5/50
    • G11B20/00086
    • A CD on which only music information specified by the CD-DA is recorded, or a CD on which both music information specified by the CD-DA and music information to be recorded on a CD-ROM are recorded is mounted upon an information processing terminal (10) .When the CD on which only music information specified by the CD-DA is recorded is mounted, the information processing terminal (10) acquires, from a directory server (20), an ISRC number that identifies the music information recorded on the CD, and distribution server location information that identifies a content distribution server. The information processing terminal (10) acquires content that is the music information compressed according to the MP3 and encrypted, from the content distribution server identified by the acquired distribution server location information, and the decryption key. The information processing terminal then decrypts the acquired content using the acquired decryption key and reproduces music.
    • 记录仅记录由CD-DA指定的音乐信息的CD或将CD-DA指定的两个音乐信息和要记录在CD-ROM上的音乐信息记录在其上的CD被安装在信息处理终端 (10)。当安装仅记录由CD-DA指定的音乐信息的CD时,信息处理终端(10)从目录服务器(20)获取标识记录在CD-DA上的音乐信息的ISRC号码 CD和分发服务器位置信息,用于标识内容分发服务器。 信息处理终端(10)从由所获取的分发服务器位置信息识别的内容分发服务器和解密密钥获取作为根据MP3压缩并被加密的音乐信息的内容。 信息处理终端然后使用所获取的解密密钥解密所获取的内容并再现音乐。
    • 6. 发明申请
    • DIGITAL DATA DISTRIBUTION SYSTEM
    • 数字数据分发系统
    • WO2002099558A2
    • 2002-12-12
    • PCT/US2001/051574
    • 2001-11-07
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.MATSUSHIMA, HidekiOKAMOTO, RyuichiINOUE, MitsuhiroKOZUKA, Masayuki
    • MATSUSHIMA, HidekiOKAMOTO, RyuichiINOUE, MitsuhiroKOZUKA, Masayuki
    • G06F
    • G11B20/00086
    • A CD on which only music information specified by the CD-DA is recorded, or a CD on which both music information specified by the CD-DA and music information to be recorded on a CD-ROM are recorded is mounted upon an information processing terminal (10) .When the CD on which only music information specified by the CD-DA is recorded is mounted, the information processing terminal (10) acquires, from a directory server (20), an ISRC number that identifies the music information recorded on the CD, and distribution server location information that identifies a content distribution server. The information processing terminal (10) acquires content that is the music information compressed according to the MP3 and encrypted, from the content distribution server identified by the acquired distribution server location information, and the decryption key. The information processing terminal then decrypts the acquired content using the acquired decryption key and reproduces music.
    • 记录仅记录由CD-DA指定的音乐信息的CD或将CD-DA指定的两个音乐信息和要记录在CD-ROM上的音乐信息记录在其上的CD被安装在信息处理终端 (10)。当安装仅记录由CD-DA指定的音乐信息的CD时,信息处理终端(10)从目录服务器(20)获取标识记录在CD-DA上的音乐信息的ISRC号码 CD和分发服务器位置信息,用于标识内容分发服务器。 信息处理终端(10)从由所获取的分发服务器位置信息识别的内容分发服务器和解密密钥获取作为根据MP3压缩并被加密的音乐信息的内容。 信息处理终端然后使用所获取的解密密钥解密所获取的内容并再现音乐。