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    • 2. 发明授权
    • System and method for digital signal processing
    • 数字信号处理系统和方法
    • US09281794B1
    • 2016-03-08
    • US13443627
    • 2012-04-10
    • Anthony BongioviPhillip FullerGlenn Zelniker
    • Anthony BongioviPhillip FullerGlenn Zelniker
    • H03G5/00H03G5/16
    • H03G5/165H04L25/03012H04R1/005H04S1/007
    • The present invention provides for methods and systems for digitally processing an audio signal and setting a peak signal threshold to a level that is determined to be safe, particularly for children or listeners with sensitive hearing. In various embodiments, a method comprises adjusting a gain of the signal based upon a received profile value minus a safety parameter, filtering the signal with a low shelf filter and/or high shelf filter, passing the signal through a first compressor that sets a peak threshold based upon the profile value minus the safety parameter, filtering the signal again with a low shelf filter and/or high shelf filter, processing the signal with a graphic equalizer, passing the signal through a second compressor that sets a peak threshold based upon the profile minus the safety parameter, and outputting the signal.
    • 本发明提供了用于数字处理音频信号并将峰值信号阈值设置为确定为安全的水平的方法和系统,特别是对于具有敏感听觉的儿童或听众。 在各种实施例中,一种方法包括基于接收的简档值减去安全参数来调整信号的增益,用低架滤波器和/或高架式滤波器对信号进行滤波,使信号通过设置峰值的第一压缩器 基于简档值减去安全参数的阈值,再次用低架滤波器和/或高架滤波器对信号进行滤波,用图形均衡器处理信号,使信号通过第二压缩器,第二压缩器基于 简档减去安全参数,并输出信号。
    • 6. 发明授权
    • System and method for digital signal processing
    • 数字信号处理系统和方法
    • US08229136B2
    • 2012-07-24
    • US12197982
    • 2008-08-25
    • Anthony BongioviPhillip FullerGlenn Zelniker
    • Anthony BongioviPhillip FullerGlenn Zelniker
    • H03G5/00
    • H03G9/025H03G9/005
    • The present invention provides for methods and systems for digitally processing audio signals by adjusting the gain of a signal a first time, using a digital processing device located between a radio head unit and a speaker. The methods and systems may filter the adjusted signal with a first low shelf filter, compress the filtered signal with a first compressor, process the signal with a graphic equalizer, compress the processed signal with a second compressor and adjust the gain of the compressed signal a second time. The methods and systems may also filter the signal received from the first low shelf filter with a first high shelf filter prior to compressing the filtered signal with the first compressor. The signal may be filtered with a second low shelf filter prior to processing the signal with the graphic equalizer. Some embodiments filter the signal with a second high shelf filter after the signal is filtered with the second low shelf filter.
    • 本发明提供了使用位于无线电头单元和扬声器之间的数字处理装置,通过首先调节信号的增益来数字处理音频信号的方法和系统。 所述方法和系统可以用第一低架滤波器对经调整的信号进行滤波,用第一压缩器压缩经滤波的信号,用图形均衡器处理信号,用第二压缩器压缩经处理的信号,并调整压缩信号的增益a 第二次。 方法和系统还可以在用第一压缩机压缩经滤波的信号之前用第一高架滤波器对从第一低架滤波器接收的信号进行滤波。 在用图形均衡器处理信号之前,可以用第二低架滤波器对信号进行滤波。 在用第二低架滤波器对信号进行滤波之后,一些实施例用第二高架滤波器对信号进行滤波。