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1. 发明公开

EP3062535A4 METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL 有权
标题翻译： VERFAHREN UND VORRICHTUNG ZUR VERARBEITUNG VON TONSIGNALEN
公开(公告)号：EP3062535A4
公开(公告)日：2017-07-05
申请号：EP14856742
申请日：2014-10-22
申请人： INDUSTRY-ACADEMIC COOP FOUND YONSEI UNIV , WILUS INST STANDARDS & TECHNOLOGY INC , ELECTRONICS & TELECOMMUNICATIONS RES INST
发明人： LEE TAEGYU , OH HYUNOH , PARK YOUNGCHEOL , YOUN DAEHEE , SEO JEONGIL , LEE YONGJU , BEACK SEUNGKWON , KANG KYEONGOK , JANG DAEYOUNG
IPC分类号： H04S3/00
CPC分类号： G10L19/008 , H04R3/00 , H04R5/033 , H04S3/00 , H04S3/002 , H04S3/004 , H04S3/008 , H04S2400/01 , H04S2420/03
摘要： The present invention relates to a method and an apparatus for processing a signal, which are used to effectively reproduce an audio signal, and more particularly, to a method and an apparatus for processing an audio signal, which are used for implementing a filtering for input audio signals with a low computational complexity. To this end, provided are a method for processing an audio signal including: receiving an input audio signal; receiving truncated subband filter coefficients for filtering each subband signal of the input audio signal, the truncated subband filter coefficients being at least a portion of subband filter coefficients obtained from binaural room impulse response (BRIR) filter coefficients for binaural filtering of the input audio signal, the lengths of the truncated subband filter coefficients being determined based on filter order information obtained by at least partially using characteristic information extracted from the corresponding subband filter coefficients, and the truncated subband filter coefficients being constituted by at least one FFT filter coefficient in which fast Fourier transform (FFT) by a predetermined block size in the corresponding subband has been performed; performing the fast Fourier transform of the subband signal based on a predetermined subframe size in the corresponding subband; generating a filtered subframe by multiplying the fast Fourier transformed subframe and the FFT filter coefficients; inverse fast Fourier transforming the filtered subframe; and generating a filtered subband signal by overlap-adding at least one subframe which is inverse fast Fourier transformed and an apparatus for processing an audio signal using the same.
摘要翻译：用于处理信号的方法和设备技术领域本发明涉及一种用于处理信号的方法和设备，其用于有效地再现音频信号，并且更具体地涉及用于处理音频信号的方法和设备，其用于实现输入的滤波具有低计算复杂度的音频信号。为此，提供了一种用于处理音频信号的方法，包括：接收输入音频信号; 接收用于对输入音频信号的每个子带信号进行滤波的截短的子带滤波器系数，截断的子带滤波器系数是从用于输入音频信号的双耳滤波的双耳室内脉冲响应（BRIR）滤波器系数获得的子带滤波器系数的至少一部分，截断的子带滤波器系数的长度是基于通过至少部分地使用从相应的子带滤波器系数提取的特征信息而获得的滤波器顺序信息来确定的，并且截断的子带滤波器系数由至少一个FFT滤波器系数构成，其中快速傅立叶已经执行了相应子频带中的预定块大小的变换（FFT）; 基于相应子频带中的预定子帧大小来执行子带信号的快速傅立叶变换; 通过将快速傅立叶变换的子帧与FFT滤波器系数相乘来产生经滤波的子帧; 对经滤波的子帧进行快速傅立叶逆变换; 以及通过叠加至少一个快速傅立叶逆变换后的子帧来生成滤波后的子带信号，以及使用该子帧信号处理音频信号的装置。

2. 发明公开

EP2988505A4 VIDEO SIGNAL PROCESSING METHOD AND APPARATUS 无效
标题翻译：视频信号处理方法和装置
公开(公告)号：EP2988505A4
公开(公告)日：2016-10-05
申请号：EP14784845
申请日：2014-04-17
申请人： WILUS INST STANDARDS & TECHNOLOGY INC
发明人： OH HYUNOH
IPC分类号： H04N19/30
CPC分类号： H04N19/30 , H04N19/107 , H04N19/157 , H04N19/172 , H04N19/187 , H04N19/44 , H04N19/46 , H04N19/50 , H04N19/573 , H04N19/58

3. 发明公开

EP3089483A4 AUDIO SIGNAL PROCESSING METHOD, PARAMETERIZATION DEVICE FOR SAME, AND AUDIO SIGNAL PROCESSING DEVICE 有权转让
标题翻译： VERFAHREN ZUR AUDIOSIGNALVERARBEITUNG，PARAMETRISIERUNGSVORRICHTUNGDAFÜRUND AUDIOSIGNALVERARBEITUNGSVORRICHTUNG
公开(公告)号：EP3089483A4
公开(公告)日：2017-08-30
申请号：EP14875534
申请日：2014-12-23
申请人： WILUS INST STANDARDS & TECHNOLOGY INC
发明人： OH HYUNOH , LEE TAEGYU
IPC分类号： H04S3/00 , G10L19/008 , G10L19/02 , H03H17/02 , H04S7/00
CPC分类号： H04S7/307 , G10L19/008 , G10L19/0204 , H04S3/008 , H04S7/305 , H04S2400/01 , H04S2400/03 , H04S2420/01 , H04S2420/03 , H04S2420/07
摘要： The present invention relates to an audio signal processing method, a parameterization device and an audio signal processing device for the same, and more particularly, to an audio signal processing method to implement filtering of an input audio signal with a low computational complexity, and a parameterization device and an audio signal processing device for the same. To this end, provided are a method for processing an audio signal, including: receiving an input audio signal; receiving at least one binaural room impulse response (BRIR) filter coefficients for binaural filtering of the input audio signal; converting the BRIR filter coefficients into a plurality of subband filter coefficients; obtaining flag information indicating whether the length of the BRIR filter coefficients in a time domain is more than a predetermined value; truncating each subband filter coefficients based on filter order information obtained by at least partially using characteristic information extracted from the corresponding subband filter coefficients, the truncated subband filter coefficients being filter coefficients of which energy compensation is performed based on the flag information and the length of at least one truncated subband filter coefficients being different from the length of the truncated subband filter coefficients of another subband; and filtering each subband signal of the input audio signal by using the truncated subband filter coefficients, and a parameterization device and an audio signal processing device for the same.
摘要翻译：音频信号处理方法，参数化设备和音频信号处理设备技术领域本发明涉及音频信号处理方法，参数化设备和音频信号处理设备，并且更具体地涉及用于以低计算复杂度实现输入音频信号的滤波的音频信号处理方法，参数化设备和用于其的音频信号处理设备。为此，提供了一种用于处理音频信号的方法，包括：接收输入音频信号; 接收用于所述输入音频信号的双耳滤波的至少一个双耳房间脉冲响应（BRIR）滤波器系数; 将BRIR滤波器系数转换为多个子带滤波器系数; 获得指示时域中的BRIR滤波器系数的长度是否大于预定值的标志信息; 基于至少部分地使用从相应的子带滤波器系数提取的特征信息获得的滤波器阶数信息来截断每个子带滤波器系数，截断的子带滤波器系数是基于标记信息执行能量补偿的滤波器系数，至少一个截断的子带滤波器系数不同于另一个子带的截断的子带滤波器系数的长度; 以及使用截断的子带滤波器系数对输入音频信号的每个子带信号进行滤波，以及用于其的参数化设备和音频信号处理设备。

4. 发明公开

EP3062534A4 METHOD FOR GENERATING FILTER FOR AUDIO SIGNAL AND PARAMETERIZING DEVICE THEREFOR 有权
标题翻译： VERFAHREN ZUR ERZEUGUNG EINES FILTERSFÜREIN AUDIOSIGNAL UND PARAMETRIERUNGSVORHTHTUNGDAFÜR
公开(公告)号：EP3062534A4
公开(公告)日：2017-07-05
申请号：EP14855415
申请日：2014-10-22
申请人： ELECTRONICS & TELECOMMUNICATIONS RES INST , INDUSTRY-ACADEMIC COOP FOUND YONSEI UNIV , WILUS INST STANDARDS & TECHNOLOGY INC
发明人： LEE TAEGYU , OH HYUNOH , SEO JEONGIL , LEE YONGJU , BEACK SEUNGKWON , KANG KYEONGOK , JANG DAEYOUNG , PARK YOUNGCHEOL , YOUN DAEHEE
IPC分类号： H04S3/00
CPC分类号： G10L19/008 , H04R3/00 , H04R5/033 , H04S3/00 , H04S3/002 , H04S3/004 , H04S3/008 , H04S2400/01 , H04S2420/03

5. 发明公开

EP3048816A4 METHOD AND APPARATUS FOR PROCESSING MULTIMEDIA SIGNALS 有权转让
标题翻译： VERFAHREN UND VORRICHTUNG ZUR VERARBEITUNG VON MULTIMEDIASIGNALEN
公开(公告)号：EP3048816A4
公开(公告)日：2017-05-31
申请号：EP14846500
申请日：2014-09-17
申请人： WILUS INST STANDARDS & TECHNOLOGY INC
发明人： OH HYUNOH , LEE TAEGYU
IPC分类号： H04S3/00 , G10L19/008 , G10L19/02 , H03H17/02 , H03H21/00
CPC分类号： H04S5/005 , G10L19/008 , G10L19/0204 , G10L25/48 , H03H17/0229 , H03H17/0248 , H03H17/0266 , H03H17/0272 , H03H21/0012 , H04R5/04 , H04S3/00 , H04S3/002 , H04S3/008 , H04S3/02 , H04S7/30 , H04S2400/01 , H04S2400/03 , H04S2420/03 , H04S2420/07 , H04S2420/11
摘要： The present invention relates to a method and an apparatus for processing a signal, which are used for effectively reproducing a multimedia signal, and more particularly, to a method and an apparatus for processing a signal, which are used for implementing filtering for multimedia signal having a plurality of subbands with a low calculation amount. To this end, provided are a method for processing a multimedia signal including: receiving a multimedia signal having a plurality of subbands; receiving at least one proto-type filter coefficients for filtering each subband signal of the multimedia signal; converting the proto-type filter coefficients into a plurality of subband filter coefficients; truncating each subband filter coefficients based on filter order information obtained by at least partially using characteristic information extracted from the corresponding subband filter coefficients, the length of at least one truncated subband filter coefficients being different from the length of truncated subband filter coefficients of another subband; and filtering the multimedia signal by using the truncated subband filter coefficients corresponding to each subband signal and an apparatus for processing a multimedia signal using the same.
摘要翻译：用于处理信号的方法和设备技术领域本发明涉及用于有效地再现多媒体信号的信号处理方法和设备，并且更具体地涉及用于处理信号的方法和设备，具有低计算量的多个子带。为此，提供了一种用于处理多媒体信号的方法，包括：接收具有多个子带的多媒体信号; 接收用于对所述多媒体信号的每个子带信号进行滤波的至少一个原型滤波器系数; 将原型滤波器系数转换成多个子带滤波器系数; 基于通过至少部分地使用从相应的子带滤波器系数提取的特征信息获得的滤波器阶数信息来截断每个子带滤波器系数，所述至少一个截断的子带滤波器系数的长度不同于另一个子带的截短的子带滤波器系数的长度; 以及使用对应于每个子带信号的截断的子带滤波器系数对多媒体信号进行滤波以及使用该装置处理多媒体信号的装置。

6. 发明公开

EP3021586A4 METHOD AND APPARATUS FOR PROCESSING VIDEO SIGNAL 无效
公开(公告)号：EP3021586A4
公开(公告)日：2016-12-07
申请号：EP14823575
申请日：2014-07-07
申请人： WILUS INST STANDARDS & TECHNOLOGY INC
发明人： OH HYUNOH
IPC分类号： H04N19/82 , H04N19/117 , H04N19/157 , H04N19/187 , H04N19/33 , H04N19/70
CPC分类号： H04N19/187 , H04N19/117 , H04N19/157 , H04N19/17 , H04N19/33 , H04N19/44 , H04N19/70 , H04N19/82 , H04N19/96

7. 发明公开

EP3122073A4 AUDIO SIGNAL PROCESSING METHOD AND APPARATUS 有权转让
公开(公告)号：EP3122073A4
公开(公告)日：2017-10-18
申请号：EP15764805
申请日：2015-03-19
申请人： WILUS INST STANDARDS & TECHNOLOGY INC
发明人： OH HYUN OH , LEE TAEGYU , KWAK JINSAM , SON JUHYUNG
IPC分类号： H04S3/00
CPC分类号： H04S3/008 , G10L19/20 , H04S2400/01 , H04S2400/03 , H04S2400/11 , H04S2420/01 , H04S2420/07

8. 发明公开

EP3048815A4 METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNALS 有权转让
标题翻译： VERFAHREN UND VORRICHTUNG ZUR VERARBEITUNG VON AUDIOSIGNALEN
公开(公告)号：EP3048815A4
公开(公告)日：2017-05-31
申请号：EP14846160
申请日：2014-09-17
申请人： WILUS INST STANDARDS & TECHNOLOGY INC
发明人： OH HYUNOH , LEE TAEGYU
IPC分类号： H04S3/00 , G10L19/008 , G10L19/02 , H03H17/02 , H03H21/00 , H04S3/02
CPC分类号： H04S5/005 , G10L19/008 , G10L19/0204 , G10L25/48 , H03H17/0229 , H03H17/0248 , H03H17/0266 , H03H17/0272 , H03H21/0012 , H04R5/04 , H04S3/00 , H04S3/002 , H04S3/008 , H04S3/02 , H04S7/30 , H04S2400/01 , H04S2400/03 , H04S2420/03 , H04S2420/07 , H04S2420/11
摘要： The present invention relates to a method and an apparatus for processing a signal, which are used for effectively reproducing a multimedia signal, and more particularly, to a method and an apparatus for processing a signal, which are used for implementing filtering for multimedia signal having a plurality of subbands with a low calculation amount. To this end, provided are a method for processing a multimedia signal including: receiving a multimedia signal having a plurality of subbands; receiving at least one proto-type filter coefficients for filtering each subband signal of the multimedia signal; converting the proto-type filter coefficients into a plurality of subband filter coefficients; truncating each subband filter coefficients based on filter order information obtained by at least partially using characteristic information extracted from the corresponding subband filter coefficients, the length of at least one truncated subband filter coefficients being different from the length of truncated subband filter coefficients of another subband; and filtering the multimedia signal by using the truncated subband filter coefficients corresponding to each subband signal and an apparatus for processing a multimedia signal using the same.
摘要翻译：用于处理信号的方法和设备技术领域本发明涉及用于有效地再现多媒体信号的信号处理方法和设备，并且更具体地涉及用于处理信号的方法和设备，具有低计算量的多个子带。为此，提供了一种用于处理多媒体信号的方法，包括：接收具有多个子带的多媒体信号; 接收用于对所述多媒体信号的每个子带信号进行滤波的至少一个原型滤波器系数; 将原型滤波器系数转换成多个子带滤波器系数; 基于通过至少部分地使用从相应的子带滤波器系数提取的特征信息获得的滤波器阶数信息来截断每个子带滤波器系数，所述至少一个截断的子带滤波器系数的长度不同于另一个子带的截短的子带滤波器系数的长度; 以及使用对应于每个子带信号的截断的子带滤波器系数对多媒体信号进行滤波以及使用该装置处理多媒体信号的装置。

9. 发明公开

EP3048814A4 METHOD AND DEVICE FOR AUDIO SIGNAL PROCESSING 有权转让
标题翻译： VERFAHREN UND VORRICHTUNG ZUR VERARBEITUNG VON TONSIGNALEN
公开(公告)号：EP3048814A4
公开(公告)日：2017-05-31
申请号：EP14845972
申请日：2014-09-17
申请人： WILUS INST STANDARDS & TECHNOLOGY INC
发明人： LEE TAEGYU , OH HYUNOH
IPC分类号： H04S3/00 , G10L19/008 , G10L19/02 , H03H17/02 , H04S3/02
CPC分类号： H04S5/005 , G10L19/008 , G10L19/0204 , G10L25/48 , H03H17/0229 , H03H17/0248 , H03H17/0266 , H03H17/0272 , H03H21/0012 , H04R5/04 , H04S3/00 , H04S3/002 , H04S3/008 , H04S3/02 , H04S7/30 , H04S2400/01 , H04S2400/03 , H04S2420/03 , H04S2420/07 , H04S2420/11
摘要： The present invention relates to a method and an apparatus for processing a signal, which are used for effectively reproducing a multimedia signal, and more particularly, to a method and an apparatus for processing a signal, which are used for implementing filtering for multimedia signal having a plurality of subbands with a low calculation amount. To this end, provided are a method for processing a multimedia signal including: receiving a multimedia signal having a plurality of subbands; receiving at least one proto-type filter coefficients for filtering each subband signal of the multimedia signal; converting the proto-type filter coefficients into a plurality of subband filter coefficients; truncating each subband filter coefficients based on filter order information obtained by at least partially using characteristic information extracted from the corresponding subband filter coefficients, the length of at least one truncated subband filter coefficients being different from the length of truncated subband filter coefficients of another subband; and filtering the multimedia signal by using the truncated subband filter coefficients corresponding to each subband signal and an apparatus for processing a multimedia signal using the same.
摘要翻译：用于处理信号的方法和设备技术领域本发明涉及用于有效地再现多媒体信号的信号处理方法和设备，并且更具体地涉及用于处理信号的方法和设备，具有低计算量的多个子带。为此，提供了一种用于处理多媒体信号的方法，包括：接收具有多个子带的多媒体信号; 接收用于对所述多媒体信号的每个子带信号进行滤波的至少一个原型滤波器系数; 将原型滤波器系数转换成多个子带滤波器系数; 基于通过至少部分地使用从相应的子带滤波器系数提取的特征信息获得的滤波器阶数信息来截断每个子带滤波器系数，所述至少一个截断的子带滤波器系数的长度不同于另一个子带的截短的子带滤波器系数的长度; 以及使用对应于每个子带信号的截断的子带滤波器系数对多媒体信号进行滤波以及使用该装置处理多媒体信号的装置。

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