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    • 5. 发明申请
    • SYSTEM AND METHOD FOR NARROW BANDWIDTH DIGITAL SIGNAL PROCESSING
    • 窄带数字信号处理系统与方法
    • US20140369521A1
    • 2014-12-18
    • US14032347
    • 2013-09-20
    • Anthony BongioviGlenn ZelnikerJoseph G. Butera, III
    • Anthony BongioviGlenn ZelnikerJoseph G. Butera, III
    • H03G3/00
    • G10L19/26G10L21/034G10L21/0388H03G3/00H03G5/005H03G5/165H03G9/005H03G9/025H03G9/14
    • The present invention provides methods and systems for narrow bandwidth digital processing of an input audio signal. Particularly, the present invention includes a high pass filter configured to filter the input audio signal. A first compressor then modulates the filtered signal in order to create a partially processed signal. In some embodiments, a clipping module further limits the gain of the partially processed signal. A splitter is configured to split the partially processed signal into a first signal and a second signal. A low pass filter is configured to filter the first signal. A pass through module is configured to adjust the gain of the second signal. A mixer then combines the filtered first signal and the gain-adjusted second signal in order to output a combined signal. In some embodiments, a tone control module further processes the combined signal, and a second compressor further modulates the processed signal.
    • 本发明提供了用于输入音频信号的窄带数字处理的方法和系统。 特别地,本发明包括被配置为对输入音频信号进行滤波的高通滤波器。 然后,第一压缩器调制滤波后的信号,以产生部分处理的信号。 在一些实施例中,限幅模块进一步限制部分处理的信号的增益。 分配器被配置为将部分处理的信号分割成第一信号和第二信号。 低通滤波器被配置为对第一信号进行滤波。 通过模块被配置为调整第二信号的增益。 混频器然后组合经滤波的第一信号和经增益调整的第二信号,以输出组合信号。 在一些实施例中,音调控制模块进一步处理组合信号,并且第二压缩器进一步调制处理的信号。
    • 6. 发明申请
    • SYSTEM AND METHOD FOR DIGITAL SIGNAL PROCESSING
    • 数字信号处理系统与方法
    • US20140100682A1
    • 2014-04-10
    • US14059948
    • 2013-10-22
    • Anthony Bongiovi
    • Anthony Bongiovi
    • G06F17/30
    • G06F17/3074G10L21/02H03G5/165H03G7/007H03G9/005H03G9/025
    • The present invention provides methods and systems for digital processing of an input audio signal. Specifically, the present invention includes a high pass filter configured to filter the input audio signal to create a high pass signal. A first filter module then filters the high pass signal to create a first filtered signal. A first compressor modulates the first filtered signal to create a modulated signal. A second filter module then filters the modulated signal to create a second filtered signal. The second filtered signal is processed by a first processing module. A band splitter splits the processed signal into low band, mid band, and high band signals. The low band and high band signals are modulated by respective compressors. A second processing module further processes the modulated low band, mid band, and modulated high band signals to create an output signal.
    • 本发明提供了用于输入音频信号的数字处理的方法和系统。 具体地,本发明包括高通滤波器,其被配置为对输入音频信号进行滤波以产生高通信号。 第一滤波器模块然后对高通信号进行滤波以产生第一滤波信号。 第一压缩器调制第一滤波信号以产生调制信号。 然后,第二滤波器模块对调制信号进行滤波以产生第二滤波信号。 第二滤波信号由第一处理模块处理。 频带分离器将处理的信号分成低频带,中频带和高频带信号。 低频带和高频信号由相应的压缩机调制。 第二处理模块进一步处理调制的低频带,中频带和调制的高频带信号以产生输出信号。