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公开(公告)号：EP2384029B1
公开(公告)日：2014-09-10
申请号：EP11168514.5
申请日：2009-07-30
CPC分类号： H04S3/004 , H04S7/30 , H04S2400/01 , H04S2420/01
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公开(公告)号：EP2384029A3
公开(公告)日：2012-10-24
申请号：EP11168514.5
申请日：2009-07-30
CPC分类号： H04S3/004 , H04S7/30 , H04S2400/01 , H04S2420/01
摘要： A device for generating a binaural signal based on a multi-channel signal representing a plurality of channels and intended for reproduction by a speaker configuration having a virtual sound source position associated to each channel, is described. It comprises a correlation reducer for differently processing, and thereby reducing a correlation between, at least one of a left and a right channel of the plurality of channels, a front and a rear channel of the plurality of channels, and a center and a non-center channel of the plurality of channels, in order to obtain an inter-similarity reduced set of channels; a plurality of directional filters, a first mixer for mixing outputs of the directional filters modeling the acoustic transmission to the first ear canal of the listener, and a second mixer for mixing outputs of the directional filters modeling the acoustic transmission to the second ear canal of the listener. According to another aspect, a center level reduction for forming the downmix for a room processor is performed. According to even another aspect, an inter-similarity decreasing set of head-related transfer functions is formed.
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公开(公告)号：EP2384029A2
公开(公告)日：2011-11-02
申请号：EP11168514.5
申请日：2009-07-30
CPC分类号： H04S3/004 , H04S7/30 , H04S2400/01 , H04S2420/01
摘要： A device for generating a binaural signal based on a multi-channel signal representing a plurality of channels and intended for reproduction by a speaker configuration having a virtual sound source position associated to each channel, is described. It comprises a correlation reducer for differently processing, and thereby reducing a correlation between, at least one of a left and a right channel of the plurality of channels, a front and a rear channel of the plurality of channels, and a center and a non-center channel of the plurality of channels, in order to obtain an inter-similarity reduced set of channels; a plurality of directional filters, a first mixer for mixing outputs of the directional filters modeling the acoustic transmission to the first ear canal of the listener, and a second mixer for mixing outputs of the directional filters modeling the acoustic transmission to the second ear canal of the listener. According to another aspect, a center level reduction for forming the downmix for a room processor is performed. According to even another aspect, an inter-similarity decreasing set of head-related transfer functions is formed.
摘要翻译： 描述了一种用于基于表示多个声道并且旨在由具有与每个声道相关联的虚拟声源位置的扬声器配置再现的多声道信号来生成双耳信号的设备。 它包括用于不同处理的相关降低器，从而降低多个通道的左和右通道中的至少一个通道，多个通道的前通道和后通道以及中心和非 - 多个信道的中心信道，以便获得信道间的相似性缩减集合; 多个定向滤波器，用于混合将声学传输建模到收听者的第一耳道的定向滤波器的输出的第一混合器以及用于将模拟声学传输的定向滤波器的输出混合到第二耳道的第二混合器， 听众。 根据另一方面，执行用于形成房间处理器的缩混的中央级别降低。 根据另一方面，形成头部相关传递函数的相似性下降集合。
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