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1. 发明申请

WO2012046033A1 EQUALIZATION OF AN AUDIO SIGNAL 审中-公开
标题翻译：音频信号的均衡
公开(公告)号：WO2012046033A1
公开(公告)日：2012-04-12
申请号：PCT/GB2011/051875
申请日：2011-10-03
申请人： OXFORD DIGITAL LIMITED , EASTTY, Peter
发明人： EASTTY, Peter
IPC分类号： H04S7/00 , H03H17/02
CPC分类号： H04R1/403 , H04R27/00 , H04R2201/401 , H04R2201/403 , H04S7/307
摘要： A method of processing an input audio signal, the method comprising forming a plurality of output audio signals from the input audio signal, wherein each output audio signal is formed by performing respective processing on the input audio signal, wherein for a first output audio signal there is a target audio equalization operation comprising a target filter twice, wherein for the first output 10 audio signal, the respective processing comprises a first audio equalization operation, the first audio equalization operation being the target audio equalization operation modified to compensate for phase shifts that correspond to zeros of the transfer function of the target audio equalization operation, wherein for each output audio signal other than the first output audio signal, the respective 15 processing comprises a compensation filter that compensates for phase shifts that correspond to poles of the transfer function of the target audio equalization operation. 20
摘要翻译：一种处理输入音频信号的方法，所述方法包括从输入音频信号形成多个输出音频信号，其中通过对输入音频信号执行相应的处理来形成每个输出音频信号，其中对于第一输出音频信号是包括目标滤波器两次的目标音频均衡操作，其中对于第一输出10音频信号，相应处理包括第一音频均衡操作，第一音频均衡操作是被修改以补偿对应的相移的目标音频均衡操作对于目标音频均衡操作的传递函数的零，其中对于除了第一输出音频信号之外的每个输出音频信号，相应的15处理包括补偿滤波器，其补偿对应于目标音频均衡操作。 20

2. 发明申请

WO2011080499A1 DETERMINING A CONFIGURATION FOR AN AUDIO PROCESSING OPERATION 审中-公开
标题翻译：确定音频处理操作的配置
公开(公告)号：WO2011080499A1
公开(公告)日：2011-07-07
申请号：PCT/GB2010/001882
申请日：2010-10-07
申请人： OXFORD DIGITAL LIMITED , EASTTY, Peter Charles
发明人： EASTTY, Peter Charles
IPC分类号： H04S7/00
CPC分类号： H04R3/06 , H04R2205/024 , H04S3/00 , H04S7/301
摘要： A computer-implemented method of determining a configuration for an audio processing operation, wherein the audio processing operation comprises a predetermined set of one or more audio processing sub-operations, each audio processing sub-operation being configurable with one or more respective configuration parameters, the method comprising: specifying the predetermined set of one or more audio processing sub-operations; specifying a target frequency response; and performing a convergent optimization process to determine a configuration for the audio processing operation that reduces a difference between the frequency response of the audio processing operation and the target frequency response, wherein the configuration comprises a respective value for each configuration parameter of each audio processing sub- operation.
摘要翻译：一种用于确定音频处理操作的配置的计算机实现的方法，其中所述音频处理操作包括预定的一个或多个音频处理子操作集合，每个音频处理子操作可配置有一个或多个相应的配置参数，该方法包括：指定一个或多个音频处理子操作的预定集合; 指定目标频率响应; 并且执行收敛优化处理以确定减少音频处理操作的频率响应与目标频率响应之间的差异的音频处理操作的配置，其中，所述配置包括每个音频处理子级的每个配置参数的相应值 - 操作。

3. 发明申请

WO2009112825A1 AUDIO PROCESSING 审中-公开
标题翻译：音频处理
公开(公告)号：WO2009112825A1
公开(公告)日：2009-09-17
申请号：PCT/GB2009/000652
申请日：2009-03-10
申请人： OXFORD DIGITAL LIMITED , EASTTY, Peter, Charles
发明人： EASTTY, Peter, Charles
IPC分类号： H03G5/00 , H03H17/02
CPC分类号： H03G3/00 , H03G5/005 , H03H17/0294
摘要： A method of generating a desired shelving filter for audio data, the desired shelving filter having a low-corner frequency U and a high-corner frequency f 2 , wherein the difference between the gain of the frequency response of the desired shelving filter at f 2 and the gain of the frequency response of the desired shelving filter at U is substantially equal to a non-zero desired amount, the method comprising: determining an order for a first shelving filter of a first predetermined type, wherein the low-corner frequency of the first shelving filter is U and the high- corner frequency of the first shelving filter is f∑, determining, for a second shelving filter of a second predetermined type and of a predetermined order m, a frequency f z for the low-corner frequency of the second shelving filter and a frequency Z 4 for the high-corner frequency of the second shelving filter, where h is at least fi, f 4 is greater than f 3 , and f 4 is at most fϊ, and forming the desired shelving filter as a filter combination of the first shelving filter and the second shelving filter; wherein fz, f 4 and the order of the first shelving filter are determined such that difference between the gain of the frequency response of the filter combination at fe and the gain of the frequency response of the filter combination at fi is substantially equal to the desired amount.
摘要翻译：一种用于产生用于音频数据的期望的搁置滤波器的方法，所述期望的具有低角频率U和高角频率f2的搁架滤波器，其中期望的滤波器在f2的频率响应的增益与在U处的期望的搁置滤波器的频率响应的增益基本上等于非零的期望量，该方法包括：确定第一预定类型的第一层叠滤波器的顺序，其中第一预定类型的低角频率搁架过滤器为U，第一搁架过滤器的高转角频率为f 1，对于第二预定类型和预定次序m的第二搁架滤波器，确定第二搁置滤波器的低角频率的频率fz 搁架过滤器和频率Z4用于第二搁架过滤器的高角频率，其中h至少为f 1，f 4大于f 3，f 4为至多f 3，并且形成所需的搁架过滤器为fi 第一个上架过滤器和第二个架子过滤器的组合; 其中fz，f4和第一搁架滤波器的顺序被确定为使得滤波器组合在fe处的频率响应的增益与滤波器组合在f 1处的频率响应的增益之间的差异大致等于期望量。

4. 发明授权

US09203366B2 Audio processing 有权
标题翻译：音频处理
公开(公告)号：US09203366B2
公开(公告)日：2015-12-01
申请号：US12921869
申请日：2009-03-10
申请人： Peter Charles Eastty
发明人： Peter Charles Eastty
IPC分类号： H03G5/00 , H03G3/00 , H03H17/02
CPC分类号： H03G3/00 , H03G5/005 , H03H17/0294
摘要： A method of generating a desired shelving filter for audio data, the desired shelving filter having a low-corner frequency U and a high-corner frequency f2, wherein the difference between the gain of the frequency response of the desired shelving filter at f2 and the gain of the frequency response of the desired shelving filter at U is substantially equal to a non-zero desired amount, the method comprising: determining an order for a first shelving filter of a first predetermined type, wherein the low-corner frequency of the first shelving filter is U and the high-corner frequency of the first shelving filter is fΣ, determining, for a second shelving filter of a second predetermined type and of a predetermined order m, a frequency fz for the low-corner frequency of the second shelving filter and a frequency Z4 for the high-corner frequency of the second shelving filter, where h is at least fi, f4 is greater than f3, and f4 is at most fi, and forming the desired shelving filter as a filter combination of the first shelving filter and the second shelving filter; wherein fz, f4 and the order of the first shelving filter are determined such that difference between the gain of the frequency response of the filter combination at fe and the gain of the frequency response of the filter combination at fi is substantially equal to the desired amount.
摘要翻译：一种产生用于音频数据的期望的搁置滤波器的方法，所述期望的载频滤波器具有低角频率U和高角频率f2，其中期望的滤波器在f2的频率响应的增益与在U处的期望的搁置滤波器的频率响应的增益基本上等于非零的期望量，该方法包括：确定第一预定类型的第一搁架滤波器的顺序，其中第一预定类型的低角频率搁架过滤器为U，第一搁架过滤器的高角频率为f＆Sgr;对于第二预定类型和预定次序m的第二搁架滤波器，确定第二搁置滤波器的低角频率的频率fz 搁架过滤器和频率Z4用于第二搁架过滤器的高角频率，其中h至少为fi，f4大于f3，f4最多为fi，并形成所需的搁架过滤器第一上架过滤器和第二搁架过滤器的过滤器组合; 其中fz，f4和第一搁架滤波器的顺序被确定为使得滤波器组合在fe处的频率响应的增益与滤波器组合在f 1处的频率响应的增益之间的差异大致等于期望量。

5. 发明授权

US09025792B2 Determining a configuration for an audio processing operation 有权
标题翻译：确定音频处理操作的配置
公开(公告)号：US09025792B2
公开(公告)日：2015-05-05
申请号：US13519966
申请日：2010-10-07
申请人： Peter Charles Eastty
发明人： Peter Charles Eastty
IPC分类号： H03G5/00 , H04R3/06 , H04S7/00 , H04S3/00
CPC分类号： H04R3/06 , H04R2205/024 , H04S3/00 , H04S7/301
摘要： A computer-implemented method of determining a configuration for an audio processing operation, wherein the audio processing operation comprises a predetermined set of one or more audio processing sub-operations, each audio processing sub-operation being configurable with one or more respective configuration parameters, the method comprising: specifying the predetermined set of one or more audio processing sub-operations; specifying a target frequency response; and performing a convergent optimization process to determine a configuration for the audio processing operation that reduces a difference between the frequency response of the audio processing operation and the target frequency response, wherein the configuration comprises a respective value for each configuration parameter of each audio processing sub-operation.
摘要翻译：一种用于确定音频处理操作的配置的计算机实现的方法，其中所述音频处理操作包括预定的一个或多个音频处理子操作集合，每个音频处理子操作可配置有一个或多个相应的配置参数，该方法包括：指定一个或多个音频处理子操作的预定集合; 指定目标频率响应; 并且执行收敛优化处理以确定减少音频处理操作的频率响应与目标频率响应之间的差异的音频处理操作的配置，其中，所述配置包括每个音频处理子级的每个配置参数的相应值操作。

6. 发明申请

US20130195286A1 Equalization of an Audio Signal 有权
标题翻译：音频信号的均衡
公开(公告)号：US20130195286A1
公开(公告)日：2013-08-01
申请号：US13877784
申请日：2011-10-03
申请人： Peter Eastty
发明人： Peter Eastty
IPC分类号： H04R1/40
CPC分类号： H04R1/403 , H04R27/00 , H04R2201/401 , H04R2201/403 , H04S7/307
摘要： A method of processing an input audio signal, the method comprising forming a plurality of output audio signals from the input audio signal, wherein each output audio signal is formed by performing respective processing on the input audio signal, wherein for a first output audio signal there is a target audio equalization operation comprising a target filter twice, wherein for the first output 10 audio signal, the respective processing comprises a first audio equalization operation, the first audio equalization operation being the target audio equalization operation modified to compensate for phase shifts that correspond to zeros of the transfer function of the target audio equalization operation, wherein for each output audio signal other than the first output audio signal, the respective 15 processing comprises a compensation filter that compensates for phase shifts that correspond to poles of the transfer function of the target audio equalization operation. 20
摘要翻译：一种处理输入音频信号的方法，所述方法包括从所述输入音频信号形成多个输出音频信号，其中通过对所述输入音频信号执行相应的处理来形成每个输出音频信号，其中对于所述第一输出音频信号是包括目标滤波器两次的目标音频均衡操作，其中对于第一输出10音频信号，相应处理包括第一音频均衡操作，第一音频均衡操作是被修改以补偿对应的相移的目标音频均衡操作对于目标音频均衡操作的传递函数的零，其中对于除第一输出音频信号之外的每个输出音频信号，相应的15处理包括补偿滤波器，其补偿对应于目标音频均衡操作。 20

7. 发明申请

US20110096933A1 AUDIO PROCESSING 有权
标题翻译：音频处理
公开(公告)号：US20110096933A1
公开(公告)日：2011-04-28
申请号：US12921869
申请日：2009-03-10
申请人： Peter Charles Eastty
发明人： Peter Charles Eastty
IPC分类号： H03G5/02 , H04R29/00
CPC分类号： H03G3/00 , H03G5/005 , H03H17/0294
摘要： A method of generating a desired shelving filter for audio data, the desired shelving filter having a low-corner frequency U and a high-corner frequency f2, wherein the difference between the gain of the frequency response of the desired shelving filter at f2 and the gain of the frequency response of the desired shelving filter at U is substantially equal to a non-zero desired amount, the method comprising: determining an order for a first shelving filter of a first predetermined type, wherein the low-corner frequency of the first shelving filter is U and the high-corner frequency of the first shelving filter is fΣ, determining, for a second shelving filter of a second predetermined type and of a predetermined order m, a frequency fz for the low-corner frequency of the second shelving filter and a frequency Z4 for the high-corner frequency of the second shelving filter, where h is at least fi, f4 is greater than f3, and f4 is at most fi, and forming the desired shelving filter as a filter combination of the first shelving filter and the second shelving filter; wherein fz, f4 and the order of the first shelving filter are determined such that difference between the gain of the frequency response of the filter combination at fe and the gain of the frequency response of the filter combination at fi is substantially equal to the desired amount.
摘要翻译：一种产生用于音频数据的期望的搁置滤波器的方法，所述期望的载频滤波器具有低角频率U和高角频率f2，其中期望的滤波器在f2的频率响应的增益与在U处的期望的搁置滤波器的频率响应的增益基本上等于非零的期望量，该方法包括：确定第一预定类型的第一搁架滤波器的顺序，其中第一预定类型的低角频率搁架过滤器为U，第一搁架过滤器的高角频率为f＆Sgr;对于第二预定类型和预定次序m的第二搁架滤波器，确定第二搁置滤波器的低角频率的频率fz 搁架过滤器和频率Z4用于第二搁架过滤器的高角频率，其中h至少为fi，f4大于f3，f4最多为fi，并形成所需的搁架过滤器第一上架过滤器和第二搁架过滤器的过滤器组合; 其中fz，f4和第一搁架滤波器的顺序被确定为使得滤波器组合在fe处的频率响应的增益与滤波器组合在f 1处的频率响应的增益之间的差异大致等于期望量。

8. 发明授权

US09119002B2 Equalization of an audio signal 有权
标题翻译：音频信号的均衡
公开(公告)号：US09119002B2
公开(公告)日：2015-08-25
申请号：US13877784
申请日：2011-10-03
申请人： Peter Eastty
发明人： Peter Eastty
IPC分类号： H03G5/00 , H04R1/40 , H04S7/00 , H04R27/00
CPC分类号： H04R1/403 , H04R27/00 , H04R2201/401 , H04R2201/403 , H04S7/307
摘要： A method of processing an input audio signal, the method comprising forming a plurality of output audio signals from the input audio signal, wherein each output audio signal is formed by performing respective processing on the input audio signal, wherein for a first output audio signal there is a target audio equalization operation comprising a target filter twice, wherein for the first output audio signal, the respective processing comprises a first audio equalization operation, the first audio equalization operation being the target audio equalization operation modified to compensate for phase shifts that correspond to zeros of the transfer function of the target audio equalization operation, wherein for each output audio signal other than the first output audio signal, the respective processing comprises a compensation filter that compensates for phase shifts that correspond to poles of the transfer function of the target audio equalization operation.
摘要翻译：一种处理输入音频信号的方法，所述方法包括从所述输入音频信号形成多个输出音频信号，其中通过对所述输入音频信号执行相应的处理来形成每个输出音频信号，其中对于所述第一输出音频信号是包括目标滤波器两次的目标音频均衡操作，其中对于第一输出音频信号，相应的处理包括第一音频均衡操作，第一音频均衡操作是被修改以补偿对应于目标音频均衡操作的传递函数的零，其中对于除了第一输出音频信号之外的每个输出音频信号，相应的处理包括补偿滤波器，其补偿对应于目标音频的传递函数的极点的相移均衡操作。

9. 发明申请

US20130114830A1 DETERMINING A CONFIGURATION FOR AN AUDIO PROCESSING OPERATION 有权
标题翻译：确定音频处理操作的配置
公开(公告)号：US20130114830A1
公开(公告)日：2013-05-09
申请号：US13519966
申请日：2010-10-07
申请人： Peter Charles Eastty
发明人： Peter Charles Eastty
IPC分类号： H04R3/06
CPC分类号： H04R3/06 , H04R2205/024 , H04S3/00 , H04S7/301
摘要： A computer-implemented method of determining a configuration for an audio processing operation, wherein the audio processing operation comprises a predetermined set of one or more audio processing sub-operations, each audio processing sub-operation being configurable with one or more respective configuration parameters, the method comprising: specifying the predetermined set of one or more audio processing sub-operations; specifying a target frequency response; and performing a convergent optimization process to determine a configuration for the audio processing operation that reduces a difference between the frequency response of the audio processing operation and the target frequency response, wherein the configuration comprises a respective value for each configuration parameter of each audio processing sub-operation.
摘要翻译：一种用于确定音频处理操作的配置的计算机实现的方法，其中所述音频处理操作包括预定的一个或多个音频处理子操作集合，每个音频处理子操作可配置有一个或多个相应的配置参数，该方法包括：指定一个或多个音频处理子操作的预定集合; 指定目标频率响应; 并且执行收敛优化处理以确定减少音频处理操作的频率响应与目标频率响应之间的差异的音频处理操作的配置，其中，所述配置包括每个音频处理子级的每个配置参数的相应值操作。

10. 发明授权

EP2520102B1 DETERMINING A CONFIGURATION FOR AN AUDIO PROCESSING OPERATION 有权转让
标题翻译：确定音频处理操作的配置
公开(公告)号：EP2520102B1
公开(公告)日：2017-12-20
申请号：EP10773134.1
申请日：2010-10-07
申请人： Oxford Digital Limited
发明人： EASTTY, Peter Charles
IPC分类号： H04S3/00 , H04S7/00
CPC分类号： H04R3/06 , H04R2205/024 , H04S3/00 , H04S7/301

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