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    • 12. 发明授权
    • Electronic device and copyright protection method of audio file thereof
    • 电子设备及其音频文件的版权保护方法
    • US08584252B2
    • 2013-11-12
    • US13163743
    • 2011-06-20
    • Qiang TaoLian LiuJin-Jie Zhang
    • Qiang TaoLian LiuJin-Jie Zhang
    • G06F7/04
    • H04N21/47202G06Q30/04G06Q50/184H04N21/8106H04N21/8358
    • A copyright protection method is applied to an electronic device. The method includes: obtaining digital data of an audio file via Video on Demand (VOD); determining whether or not the audio file is free to use; determining whether or not the accessing of the audio file is legal if the audio file is not free. Upon a condition that the audio file is free, or the accessing of the audio file is legal and not free, decoding the audio file into analog signals. Upon a condition that digital copyright information is not included in the audio file, inserting into the analog signals the digital copyright information; outputting the analog signals of the audio file along with digital copyright information of the audio file. Upon a condition that the audio file is not free and not legally permitted, indicating the accessing of the audio file is illegal. The electronic device is also provided.
    • 版权保护方法适用于电子设备。 该方法包括:通过视频点播(VOD)获得音频文件的数字数据; 确定音频文件是否可以自由使用; 如果音频文件不是空闲的,则确定音频文件的访问是否合法。 在音频文件是空闲的情况下,或者音频文件的访问是合法的并且不是空闲的,将音频文件解码为模拟信​​号。 在数字版权信息不包括在音频文件中的情况下,将模拟信号插入数字版权信息; 输出音频文件的模拟信号以及音频文件的数字版权信息。 在音频文件不是空闲且不被法律允许的情况下,指示音频文件的访问是非法的。 还提供电子设备。