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1.发明授权Apparatus and method for processing multi-channel audio signal using space information 有权使用空间信息处理多声道音频信号的装置和方法公开(公告)号：US09552820B2
公开(公告)日：2017-01-24
申请号：US14965994
申请日：2015-12-11
发明人： Junghoe Kim , Sangchul Ko , Shihwa Lee , Eunmi Oh , Miao Lei
IPC分类号： H04R5/00 , G10L19/008 , H04S3/00 , H04S7/00
CPC分类号： G10L19/008 , H04S3/008 , H04S7/30 , H04S2400/03 , H04S2420/01
摘要： An apparatus for and a method of processing a multi-channel audio signal using space information. The apparatus includes: a main coding unit down mixing a multi-channel audio signal by applying space information to surround components included in the multi-channel audio signal, generating side information using the multi-channel audio signal or a stereo signal of a down-mixed result, coding the stereo signal and the side information, and transmitting the coded result as a coding signal; and a main decoding unit receiving the coding signal, decoding the stereo signal and the side information using the received coding signal, up mixing the decoded stereo signal using the decoded side information, and restoring the multi-channel audio signal.
摘要翻译： 一种使用空间信息处理多声道音频信号的装置和方法。 该装置包括：主编码单元，通过将包含在多声道音频信号中的包围成分的空间信息应用于多声道音频信号，使用多声道音频信号产生侧信息或下行信号的立体声信号， 混合结果，对立体声信号和侧信息进行编码，并将编码结果作为编码信号发送; 以及主解码单元，接收编码信号，使用接收的编码信号对立体声信号和侧信息进行解码，使用解码的侧信息进行解码的立体声信号的混合，以及恢复多声道音频信号。
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公开(公告)号：US09232334B2
公开(公告)日：2016-01-05
申请号：US14474222
申请日：2014-09-01
发明人： Junghoe Kim , Sangchul Ko , Shihwa Lee , Eunmi Oh , Miao Lei
IPC分类号： G10L19/008 , H04S7/00 , H04S3/00 , H04R5/04
CPC分类号： G10L19/008 , H04S3/008 , H04S7/30 , H04S2400/03 , H04S2420/01
摘要： An apparatus for and a method of processing a multi-channel audio signal using space information. The apparatus includes: a main coding unit down mixing a multi-channel audio signal by applying space information to surround components included in the multi-channel audio signal, generating side information using the multi-channel audio signal or a stereo signal of a down-mixed result, coding the stereo signal and the side information, and transmitting the coded result as a coding signal; and a main decoding unit receiving the coding signal, decoding the stereo signal and the side information using the received coding signal, up mixing the decoded stereo signal using the decoded side information, and restoring the multi-channel audio signal.
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公开(公告)号：US20140105404A1
公开(公告)日：2014-04-17
申请号：US14134508
申请日：2013-12-19
发明人： Junghoe KIM , Eunmi Oh , Kihyun Choo , Miao Lei
IPC分类号： H04R5/02
CPC分类号： H04R5/02 , G10L19/008 , H04R5/033 , H04S1/002 , H04S3/00 , H04S3/002 , H04S3/02 , H04S2420/01 , H04S2420/07
摘要： A method, medium, and system generating a 3-dimensional (3D) stereo signal in a decoder by using a surround data stream. According to such a method, medium, and system, a head related transfer function (HRTF) is applied in a quadrature mirror filter (QMF) domain, thereby generating a 3D stereo signal by using a surround data stream.
摘要翻译： 一种通过使用环绕数据流在解码器中产生三维（3D）立体声信号的方法，介质和系统。 根据这种方法，将介质和系统的头部相关传递函数（HRTF）应用于正交镜像滤波器（QMF）域中，从而通过使用环绕数据流生成3D立体声信号。
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公开(公告)号：US09479871B2
公开(公告)日：2016-10-25
申请号：US14134508
申请日：2013-12-19
发明人： Junghoe Kim , Eunmi Oh , Kihyun Choo , Miao Lei
CPC分类号： H04R5/02 , G10L19/008 , H04R5/033 , H04S1/002 , H04S3/00 , H04S3/002 , H04S3/02 , H04S2420/01 , H04S2420/07
摘要： A method, medium, and system generating a 3-dimensional (3D) stereo signal in a decoder by using a surround data stream. According to such a method, medium, and system, a head related transfer function (HRTF) is applied in a quadrature mirror filter (QMF) domain, thereby generating a 3D stereo signal by using a surround data stream.
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公开(公告)号：US09706325B2
公开(公告)日：2017-07-11
申请号：US15180930
申请日：2016-06-13
发明人： Junghoe Kim , Eunmi Oh , Kihyun Choo , Miao Lei
CPC分类号： H04S5/005 , G10L19/008 , H04B1/1646 , H04S3/00 , H04S3/02 , H04S2420/01
摘要： A method, medium, and system decoding and/or encoding multiple channels. Accordingly, down-mixed multiple channels can be decoded/up-mixed to a left channel and a right channel during a first stage, thereby enabling a high quality sound output even in scalable channel decoding.
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公开(公告)号：US09848180B2
公开(公告)日：2017-12-19
申请号：US14794517
申请日：2015-07-08
发明人： Junghoe Kim , Eunmi Oh , Kihyun Choo , Miao Lei
CPC分类号： H04N13/161 , G10L19/008 , H04S1/007 , H04S3/008 , H04S7/308 , H04S2420/03
摘要： Surround audio decoding for selectively generating an audio signal from a multi-channel signal. In the surround audio decoding, a down-mixed signal, e.g., as down-mixed by an encoding terminal, is selectively up-mixed to a stereo signal or a multi-channel signal, by generating spatial information for generating the stereo signal, using spatial information for up-mixing the down-mixed signal to the multi-channel signal.
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公开(公告)号：US09667270B2
公开(公告)日：2017-05-30
申请号：US14804939
申请日：2015-07-21
发明人： Junghoe Kim , Miao Lei , Eunmi Oh
IPC分类号： G10L19/008 , G10L19/16 , H04S3/00 , H03M7/30 , H04H20/80
CPC分类号： H03M7/30 , G10L19/008 , G10L19/167 , H04H20/80 , H04S3/002 , H04S3/008 , H04S2420/03
摘要： An system, method, and method of encoding/decoding a multi-channel audio signal, including a decoding level generation unit producing decoding-level information that helps a bitstream including a number of audio channel signals and space information to be decoded into a number of audio channel signals, wherein the space information includes information about magnitude differences and/or similarities between channels, and an audio decoder decoding the bitstream according to the decoding-level information. Accordingly, even a single input bitstream can be decoded into a suitable number of channels depending on the type of a speaker configuration used. Scalable channel decoding can be achieved by partially decoding an input bitstream. In the scalable channel decoding, a decoder may set decoding levels and outputs audio channel signals according to the decoding levels, thereby reducing decoding complexity.
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