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    • 1. 发明授权
    • Digital signature of changing signals using feature extraction
    • 使用特征提取改变信号的数字签名
    • US08280052B2
    • 2012-10-02
    • US12352697
    • 2009-01-13
    • Chin-Ju ChenEric Heng Chih LeeMatthew R. KuhlkeEthan HuggMichael A. Ramalho
    • Chin-Ju ChenEric Heng Chih LeeMatthew R. KuhlkeEthan HuggMichael A. Ramalho
    • H04N7/167
    • H04L9/3247H04L2209/80
    • In one embodiment, a signal transmission authentication apparatus includes an input operable to receive a changing signal, a first extractor operable to extract first phoneme data from the received changing signal, a first generator including logic operable to generate first data representative of the extracted first phoneme data, a first output operable to communicate output data corresponding to the received changing signal and the first data from an associated transmitter to an associated receiver, a second extractor associated with the receiver including logic operable to extract second phoneme data from the received output data via the receiver and regenerate the first phoneme data from the received first data, a comparator including logic operable to generate a comparison signal in accordance with a comparison of the first and second phoneme data, and a second output operable to generate a signal corresponding to authenticity of the received changing signal in accordance with an output of the comparator.
    • 在一个实施例中,信号传输认证设备包括可操作以接收改变信号的输入,可操作以从接收的改变信号中提取第一音素数据的第一提取器,第一生成器,其包括可操作以生成表示所提取的第一音素的第一数据的逻辑 数据,第一输出,其可操作以将对应于接收到的改变信号的输出数据和来自相关联的发射机的第一数据传送到相关联的接收机;与接收机相关联的第二提取器,包括可操作以从接收到的输出数据中提取第二音素数据的逻辑, 所述接收器从所接收的第一数据再生所述第一音素数据;比较器,包括可操作以根据所述第一和第二音素数据的比较产生比较信号的逻辑,以及第二输出,用于产生对应于 接收到的改变信号根据a 输出比较器。
    • 3. 发明申请
    • DIGITAL SIGNATURE OF CHANGING SIGNALS USING FEATURE EXTRACTION
    • 使用特征提取更改信号的数字签名
    • US20100180174A1
    • 2010-07-15
    • US12352697
    • 2009-01-13
    • Chin-Ju CHENEric Heng Chih LeeMatthew R. KuhlkeEthan HuggMichael A. Ramalho
    • Chin-Ju CHENEric Heng Chih LeeMatthew R. KuhlkeEthan HuggMichael A. Ramalho
    • H03M13/05G10L15/04H04L9/32G06F11/10G06F17/00
    • H04L9/3247H04L2209/80
    • In one embodiment, a signal transmission authentication apparatus includes an input operable to receive a changing signal, a first extractor operable to extract first phoneme data from the received changing signal, a first generator including logic operable to generate first data representative of the extracted first phoneme data, a first output operable to communicate output data corresponding to the received changing signal and the first data from an associated transmitter to an associated receiver, a second extractor associated with the receiver including logic operable to extract second phoneme data from the received output data via the receiver and regenerate the first phoneme data from the received first data, a comparator including logic operable to generate a comparison signal in accordance with a comparison of the first and second phoneme data, and a second output operable to generate a signal corresponding to authenticity of the received changing signal in accordance with an output of the comparator.
    • 在一个实施例中,信号传输认证设备包括可操作以接收改变信号的输入,可操作以从接收的改变信号中提取第一音素数据的第一提取器,第一生成器,其包括可操作以生成表示所提取的第一音素的第一数据的逻辑 数据,第一输出,其可操作以将对应于接收到的改变信号的输出数据和来自相关联的发射机的第一数据传送到相关联的接收机;与接收机相关联的第二提取器,包括可操作以从接收到的输出数据中提取第二音素数据的逻辑, 所述接收器从所接收的第一数据再生所述第一音素数据;比较器,包括可操作以根据所述第一和第二音素数据的比较产生比较信号的逻辑,以及第二输出,用于产生对应于 接收到的改变信号根据a 输出比较器。