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公开(公告)号：EP2137725B1
公开(公告)日：2014-01-08
申请号：EP08749081.9
申请日：2008-04-23
发明人： ENGDEGARD, Jonas , VILLEMORS, Lars , PURNHAGEN, Heiko , RESCH, Barbara , FALCH, Cornelia , HERRE, Juergen , HILPERT, Johannes , HOELZER, Andreas , TERENTIEV, Leonid
IPC分类号： G10L19/008 , H04S1/00
CPC分类号： H04S1/007 , G10L19/008 , H04S2400/01
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12.发明公开APPARATUS FOR PROVIDING AN UPMIX SIGNAL REPRESENTATION ON THE BASIS OF A DOWNMIX SIGNAL REPRESENTATION, APPARATUS FOR PROVIDING A BITSTREAM REPRESENTING A MULTICHANNEL AUDIO SIGNAL, METHODS, COMPUTER PROGRAM AND BITSTREAM USING A DISTORTION CONTROL SIGNALING 有权装置，提供一种混合UP信号表示上的下混频信号表示的基础上，一种用于提供的比特流用于表示音频信号和方法，计算机程序并与DISTORTION控制信令STREAM
公开(公告)号：EP2491551A1
公开(公告)日：2012-08-29
申请号：EP10765803.1
申请日：2010-10-19
发明人： ENGDEGARD, Jonas , PURNHAGEN, Heiko , HERRE, Jürgen , TERENTIV, Leon , FALCH, Cornelia , HELLMUTH, Oliver
IPC分类号： G10L19/00
CPC分类号： H04S3/008 , G10L19/008 , H04S2420/03
摘要： An apparatus for providing an upmix signal representation on the basis of a downmix signal representation and an object-related parametric information, which are included in a bitstream representation of an audio content, and in dependence on a rendering information, has a distortion limiter configured to adjust upmix parameters using a distortion control scheme to avoid or limit audible distortions which are caused by an inappropriate choice of rendering parameters. The distortion limiter is configured to obtain a distortion limitation control parameter, which is included in the bitstream representation of the audio content, and to adjust a distortion control scheme in dependence on the distortion limitation control parameter.
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公开(公告)号：EP2137725A1
公开(公告)日：2009-12-30
申请号：EP08749081.9
申请日：2008-04-23
发明人： ENGDEGARD, Jonas , VILLEMORS, Lars , PURNHAGEN, Heiko , RESCH, Barbara , FALCH, Cornelia , HERRE, Juergen , HILPERT, Johannes , HOELZER, Andreas , TERENTIEV, Leonid
CPC分类号： H04S1/007 , G10L19/008 , H04S2400/01
摘要： An apparatus for synthesizing a rendered output signal having a first audio channel and a second audio channel includes a decorrelator stage (356) for generating a decorrelator signal based on a downmix signal, and a combiner (364) for performing a weighted combination of the downmix signal and a decorrelated signal based on parametric audio object information (362), downmix information (354) and target rendering information (360). The combiner solves the problem of optimally combining matrixing with decorrelation for a high quality stereo scene reproduction of a number of individual audio objects using a multichannel downmix.
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公开(公告)号：EP1869667B1
公开(公告)日：2019-05-08
申请号：EP06706552.4
申请日：2006-02-01
申请人： Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. , Dolby International AB , Koninklijke Philips N.V.
发明人： HOELZER, Andreas , HERRE, Juergen , ROEDEN, Jonas , PURNHAGEN, Heiko , KJOERLING, Kristofer , ENGDEGARD, Jonas , BREEBAART, Jeroen, Koninklijke Philips Elec. N.V. , SCHUIJERS, Erik, Koninklijke Philips Elec. N.V. , OOMEN, Werner, Koninklijke Philips Elec. N.V. , VILLEMOES, Lars
IPC分类号： G10L19/008 , H04S3/00
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15.发明授权APPARATUS FOR PROVIDING AN UPMIX SIGNAL REPRESENTATION ON THE BASIS OF THE DOWNMIX SIGNAL REPRESENTATION, APPARATUS FOR PROVIDING A BITSTREAM REPRESENTING A MULTI-CHANNEL AUDIO SIGNAL, METHODS, COMPUTER PROGRAMS AND BITSTREAM REPRESENTING A MULTI-CHANNEL AUDIO SIGNAL USING A LINEAR COMBINATION PARAMETER 有权装置，提供一种混合UP信号表示上的下混频信号表示的基础上，一种用于提供的比特流用于表示MEHRKANALTONSIGNALS，方法，计算机用于表示MEHRKANALTONSIGNALS与线性组合参数方案和BITSTREAM
公开(公告)号：EP2489038B1
公开(公告)日：2016-01-13
申请号：EP10779542.9
申请日：2010-11-16
发明人： ENGDEGARD, Jonas , PURNHAGEN, Heiko , HERRE, Juergen , FALCH, Cornelia , HELLMUTH, Oliver , TERENTIV, Leon
IPC分类号： G10L19/008
CPC分类号： G10L19/008
摘要： An apparatus for providing an upmix signal representation on the basis of a downmix signal representation and an object-related parametric information, which are included in a bitstream representation of an audio content, in independence on a user-specified rendering matrix, the apparatus has a distortion limiter configured to obtain a modified rendering matrix using a linear combination of a user-specified rendering matrix in a target rendering matrix in dependence on a linear combination parameter. The apparatus also has a signal processor configured to obtain the upmix signal representation on the basis of the downmix signal representation and the object-related parametric information using the modified rendering matrix. The apparatus is also configured to evaluate a bitstream element representing the linear combination parameter in order to obtain the linear combination parameter.
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公开(公告)号：EP2335428B1
公开(公告)日：2015-01-14
申请号：EP09778738.6
申请日：2009-09-25
申请人： Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. , Koninklijke Philips N.V. , Dolby International AB
发明人： KOPPENS, Jeroen , MUNDT, Harald , TERENTIEV, Leonid , FALCH, Cornelia , HILPERT, Johannes , HELLMUTH, Oliver , VILLEMOES, Lars , PLOGSTIES, Jan , BREEBAART, Jeroen , ENGDEGARD, Jonas
CPC分类号： H04S3/004 , G10L19/008 , G10L19/20 , H04S1/005 , H04S2400/01 , H04S2420/01 , H04S2420/03
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17.发明授权APPARATUS FOR PROVIDING AN UPMIX SIGNAL REPRESENTATION ON THE BASIS OF A DOWNMIX SIGNAL REPRESENTATION, APPARATUS FOR PROVIDING A BITSTREAM REPRESENTING A MULTICHANNEL AUDIO SIGNAL, METHODS, COMPUTER PROGRAM AND BITSTREAM USING A DISTORTION CONTROL SIGNALING 有权装置，提供一种混合UP信号表示上的下混频信号表示的基础上，一种用于提供的比特流用于表示音频信号和方法，计算机程序并与DISTORTION控制信令STREAM
公开(公告)号：EP2491551B1
公开(公告)日：2015-01-07
申请号：EP10765803.1
申请日：2010-10-19
发明人： ENGDEGARD, Jonas , PURNHAGEN, Heiko , HERRE, Jürgen , TERENTIV, Leon , FALCH, Cornelia , HELLMUTH, Oliver
IPC分类号： G10L19/008 , H04S3/00
CPC分类号： H04S3/008 , G10L19/008 , H04S2420/03
摘要： An apparatus for providing an upmix signal representation on the basis of a downmix signal representation and an object-related parametric information, which are included in a bitstream representation of an audio content, and in dependence on a rendering information, has a distortion limiter configured to adjust upmix parameters using a distortion control scheme to avoid or limit audible distortions which are caused by an inappropriate choice of rendering parameters. The distortion limiter is configured to obtain a distortion limitation control parameter, which is included in the bitstream representation of the audio content, and to adjust a distortion control scheme in dependence on the distortion limitation control parameter.
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18.发明公开APPARATUS FOR PROVIDING ONE OR MORE ADJUSTED PARAMETERS FOR A PROVISION OF AN UPMIX SIGNAL REPRESENTATION ON THE BASIS OF A DOWNMIX SIGNAL REPRESENTATION, AUDIO SIGNAL DECODER, AUDIO SIGNAL TRANSCODER, AUDIO SIGNAL ENCODER, AUDIO BITSTREAM, METHOD AND COMPUTER PROGRAM USING AN OBJECT-RELATED PARAMETRIC INFORMATION 有权装置，提供一个或多个调整参数用于提供混信号表示对下混信号表示的基础上，音频信号解码器，AUDIOSIGNALTRANSCODER，方法和计算机程序产品，其一个目的相关参数信息USE
公开(公告)号：EP2425427A1
公开(公告)日：2012-03-07
申请号：EP10716830.4
申请日：2010-04-28
申请人： Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. , Dolby International AB , Friedrich-Alexander-Universität Erlangen-Nürnberg
发明人： HERRE, Jürgen , HOELZER, Andreas , TERENTIEV, Leonid , KASTNER, Thorsten , FALCH, Cornelia , PURNHAGEN, Heiko , ENGDEGARD, Jonas , RIDDERBUSCH, Falco
CPC分类号： G10L19/008 , G10L19/20
摘要： An audio signal encoder (600) for providing a downmix signal representation (614) and an object-related parametric information (616) on the basis of a plurality of object signals (x 1 to x N ) comprises a downmixer (620) configured to provide one or more downmix signals in dependence on downmix coefficients (d 1 to d N ) associated with the object signals (x 1 to x N ), such that the one or more downmix signals comprise a superposition of a plurality of object signals, and a side information provider (630) configured to provide an inter-object-relationship side information (OLD, IOC) describing level differences and correlation characteristics of object signals (x 1 to x N ) and an individual-object side information describing one or more individual properties of the individual object signals (x 1 to x N ).
摘要翻译： 用于提供下混信号表示（614）和音频信号编码器（600）对象有关的对象信号（X 1至X N）的多个的基础上的参数信息（616）包括被配置成一个下混频器（620） 在与所述对象信号（X 1至X N）相关联的缩混系数（D 1至D N）的依赖性提供一个或多个下混合信号，审查没有所述一个或多个下混合信号包括对象信号的多个叠加，并 配置一个辅助信息提供者（630），以提供到对象间关系的辅助信息（OLD，IOC）描述电平差和对象信号（X 1至X N）的相关特性，以及单个对象侧信息描述的一个或多个 各个对象信号的个人属性（x 1至x N）。
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公开(公告)号：EP1784819A1
公开(公告)日：2007-05-16
申请号：EP05798859.4
申请日：2005-10-31
发明人： PURNHAGEN, Heiko , BREEBAART, Jeroen , SCHUIJERS, Erik , VILLEMOES, Lars , RÖDEN, Jonas , ENGDEGARD, Jonas
IPC分类号： G10L19/00
CPC分类号： G10L19/008
摘要： A parametric representation (12) of a multi-channel audio signal having parameters suited to be used together with a monophonic downmix signal to calculate a reconstruction of the multi-channel audio signal can efficiently be derived in a stereo-backwards compatible way when a parameter combiner (18) is used to generate the parametric representation (12) by combining one or more spatial parameters (20) and a stereo parameter (22) resulting in a parametric representation (12) having a decoder usable stereo parameter (24) and an information on the one or more spatial parameters (26) that represents, together with the decoder usable stereo parameter (24) , the one or more spatial parameters (20).
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公开(公告)号：EP1784819B1
公开(公告)日：2008-04-30
申请号：EP05798859.4
申请日：2005-10-31
发明人： PURNHAGEN, Heiko , BREEBAART, Jeroen , SCHUIJERS, Erik , VILLEMOES, Lars , RÖDEN, Jonas , ENGDEGARD, Jonas
IPC分类号： G10L19/00
CPC分类号： G10L19/008
摘要： A parametric representation (12) of a multi-channel audio signal having parameters suited to be used together with a monophonic downmix signal to calculate a reconstruction of the multi-channel audio signal can efficiently be derived in a stereo-backwards compatible way when a parameter combiner (18) is used to generate the parametric representation (12) by combining one or more spatial parameters (20) and a stereo parameter (22) resulting in a parametric representation (12) having a decoder usable stereo parameter (24) and an information on the one or more spatial parameters (26) that represents, together with the decoder usable stereo parameter (24) , the one or more spatial parameters (20).
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