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1. 发明申请

US20130177170A1 INTELLIGENT METHOD AND APPARATUS FOR SPECTRAL EXPANSION OF AN INPUT SIGNAL 审中-公开
标题翻译：用于输入信号的频谱扩展的智能方法和装置
公开(公告)号：US20130177170A1
公开(公告)日：2013-07-11
申请号：US13540575
申请日：2012-07-02
申请人： Ruth Aylward
发明人： Richard Aylward
IPC分类号： H03G5/00
CPC分类号： H03G5/165 , G01R19/02 , H03G5/005 , H03G5/025 , H04R3/04 , H04S7/307
摘要： A method, and a corresponding apparatus, for processing an input signal comprise filtering the input signal to separate a passband frequency component of the input signal from a stopband frequency component of the input signal, and adjusting relative signal power values of the passband frequency component and the stopband frequency component of the input signal based at least in part on signal values of a number of samples associated with the input signal. In the case of audio signals, for example, such processing is used for spectral expansion of the input signal by enhancing the power of the stopband, or low and high frequencies, component with respect to the power of the passband component of the input signal. As a result, a better audio quality is achieved.
摘要翻译：用于处理输入信号的方法和相应的装置包括对输入信号进行滤波以将输入信号的通带频率分量与输入信号的阻带频率分量分离，并调整通带频率分量的相对信号功率值，所述输入信号的阻带频率分量至少部分地基于与所述输入信号相关联的多个样本的信号值。在音频信号的情况下，例如，通过增加关于输入信号的通带分量的功率的阻带或低频和高频分量的功率来将这种处理用于输入信号的频谱扩展。结果，实现了更好的音频质量。

2. 发明授权

US09712127B2 Intelligent method and apparatus for spectral expansion of an input signal 有权
公开(公告)号：US09712127B2
公开(公告)日：2017-07-18
申请号：US13540575
申请日：2012-07-02
申请人： Richard Aylward , Ruth Aylward
发明人： Richard Aylward
IPC分类号： H03G5/00 , H03G5/16 , H04R3/04 , G01R19/02
CPC分类号： H03G5/165 , G01R19/02 , H03G5/005 , H03G5/025 , H04R3/04 , H04S7/307
摘要： A method, and a corresponding apparatus, for processing an input signal comprise filtering the input signal to separate a passband frequency component of the input signal from a stopband frequency component of the input signal, and adjusting relative signal power values of the passband frequency component and the stopband frequency component of the input signal based at least in part on signal values of a number of samples associated with the input signal. In the case of audio signals, for example, such processing is used for spectral expansion of the input signal by enhancing the power of the stopband, or low and high frequencies, component with respect to the power of the passband component of the input signal. As a result, a better audio quality is achieved.

3. 发明授权

US10128809B2 Intelligent method and apparatus for spectral expansion of an input signal 有权
公开(公告)号：US10128809B2
公开(公告)日：2018-11-13
申请号：US15596532
申请日：2017-05-16
申请人： Ruth Aylward
发明人： Richard Aylward
IPC分类号： H03G5/00 , H03G5/16 , H04R3/04 , G01R19/02 , H03G5/02 , H04S7/00
摘要： A method, and a corresponding apparatus, for processing an input signal comprise filtering the input signal to separate a passband frequency component of the input signal from a stopband frequency component of the input signal, and adjusting relative signal power values of the passband frequency component and the stopband frequency component of the input signal based at least in part on signal values of a number of samples associated with the input signal. In the case of audio signals, for example, such processing is used for spectral expansion of the input signal by enhancing the power of the stopband, or low and high frequencies, component with respect to the power of the passband component of the input signal. As a result, a better audio quality is achieved.

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