Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation
    1.
    发明授权
    Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation 有权
    用于产生水平参数的装置和方法以及用于生成多声道表示的装置和方法

    公开(公告)号:US08693696B2

    公开(公告)日:2014-04-08

    申请号:US12872507

    申请日:2010-08-31

    IPC分类号: H04R5/00

    摘要: A parameter representation of a multi-channel signal having several original channels includes a parameter set, which, when used together with at least one down-mix channel allows a multi-channel reconstruction. An additional level parameter is calculated such that an energy of the at least one downmix channel weighted by the level parameter is equal to a sum of energies of the original channels. The additional level parameter is transmitted to a multi-channel reconstructor together with the parameter set or together with a down-mix channel. An apparatus for generating a multi-channel representation uses the level parameter to correct the energy of the at least one transmitted downmix channel before entering the down-mix signal into an upmixer or within the up-mixing process.

    摘要翻译: 具有多个原始信道的多信道信号的参数表示包括参数集合,当与至少一个缩减混合信道一起使用时,允许多信道重构。 计算附加电平参数,使得由电平参数加权的至少一个下混通道的能量等于原始通道的能量之和。 附加电平参数与参数组一起发送到多通道重构器,或与降混频道一起发送。 用于产生多通道表示的装置使用电平参数来校正至少一个发送的下混通道的能量,然后再将上混合信号输入上混器或在上混合过程中。

    Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation
    2.
    发明申请
    Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation 有权
    用于产生水平参数的装置和方法以及用于生成多声道表示的装置和方法

    公开(公告)号:US20070002971A1

    公开(公告)日:2007-01-04

    申请号:US11517900

    申请日:2006-09-08

    IPC分类号: H04L27/00

    摘要: A parameter representation of a multi-channel signal having several original channels includes a parameter set, which, when used together with at least one down-mix channel allows a multi-channel reconstruction. An additional level parameter is calculated such that an energy of the at least one downmix channel weighted by the level parameter is equal to a sum of energies of the original channels. The additional level parameter is transmitted to a multi-channel reconstructor together with the parameter set or together with a down-mix channel. An apparatus for generating a multi-channel representation uses the level parameter to correct the energy of the at least one transmitted down-mix channel before entering the down-mix signal into an up-mixer or within the up-mixing process.

    摘要翻译: 具有多个原始信道的多信道信号的参数表示包括参数集合,当与至少一个缩减混合信道一起使用时,允许多信道重构。 计算附加电平参数,使得由电平参数加权的至少一个下混通道的能量等于原始通道的能量之和。 附加电平参数与参数组一起发送到多通道重构器,或与降混频道一起发送。 用于产生多通道表示的装置使用电平参数来校正至少一个发送的下混通道的能量,然后再将其进入上混频器或上混频过程。

    Method for representing multi-channel audio signals
    3.
    发明授权
    Method for representing multi-channel audio signals 有权
    表示多声道音频信号的方法

    公开(公告)号:US07986789B2

    公开(公告)日:2011-07-26

    申请号:US11549963

    申请日:2006-10-16

    IPC分类号: H04R5/00 G06F17/00

    摘要: A multi-channel input signal having at least three original channels is represented by a parameter representation of the multi-channel signal. A first balance parameter, a first coherence parameter, or a first inter-channel time difference between a first channel pair and a second balance parameter, or a second coherence parameter, or a second inter-channel time difference parameter between a second channel pair are calculated. This set of parameters is the parameter representation of the original signals. The first channel pair has two channels, which are different from two channels of a second channel pair. Furthermore, each channel of the two channel pairs is one of the original channels, or a weighted combination of the original channels, and the first channel pair and the second channel pair include information on the three original channels. For multi-channel reconstruction purposes, the parameters are used in addition to down-mixing information to generate a selectable number of output channels in a scalable fashion.

    摘要翻译: 具有至少三个原始信道的多信道输入信号由多信道信号的参数表示来表示。 在第二通道对之间的第一通道对和第二平衡参数之间的第一平衡参数,第一相干参数或第一通道间时间差或第二相干参数或第二通道间差参数是 计算。 这组参数是原始信号的参数表示。 第一通道对具有两个通道,它们与第二通道对的两个通道不同。 此外,两个信道对的每个信道是原始信道之一或原始信道的加权组合,并且第一信道对和第二信道对包括关于三个原始信道的信息。 对于多通道重建的目的,除了降混信息之外还使用这些参数,以便以可缩放的方式生成可选数量的输出通道。

    Method for representing multi-channel audio signals
    4.
    发明申请
    Method for representing multi-channel audio signals 有权
    表示多声道音频信号的方法

    公开(公告)号:US20070258607A1

    公开(公告)日:2007-11-08

    申请号:US11549963

    申请日:2006-10-16

    IPC分类号: H04R5/02

    摘要: A multi-channel input signal having at least three original channels is represented by a parameter representation of the multi-channel signal. A first balance parameter, a first coherence parameter, or a first inter-channel time difference between a first channel pair and a second balance parameter, or a second coherence parameter, or a second inter-channel time difference parameter between a second channel pair are calculated. This set of parameters is the parameter representation of the original signals. The first channel pair has two channels, which are different from two channels of a second channel pair. Furthermore, each channel of the two channel pairs is one of the original channels, or a weighted combination of the original channels, and the first channel pair and the second channel pair include information on the three original channels. For multi-channel reconstruction purposes, the parameters are used in addition to down-mixing information to generate a selectable number of output channels in a scalable fashion.

    摘要翻译: 具有至少三个原始信道的多声道输入信号由多声道信号的参数表示来表示。 在第二通道对之间的第一通道对和第二平衡参数之间的第一平衡参数,第一相干参数或第一通道间时间差或第二相干参数或第二通道间差参数是 计算。 这组参数是原始信号的参数表示。 第一通道对具有两个通道,它们与第二通道对的两个通道不同。 此外,两个信道对的每个信道是原始信道之一或原始信道的加权组合,并且第一信道对和第二信道对包括关于三个原始信道的信息。 对于多通道重建的目的,除了降混信息之外还使用这些参数,以便以可缩放的方式生成可选数量的输出通道。

    Method for representing multi-channel audio signals
    5.
    发明授权
    Method for representing multi-channel audio signals 有权
    表示多声道音频信号的方法

    公开(公告)号:US08538031B2

    公开(公告)日:2013-09-17

    申请号:US12882894

    申请日:2010-09-15

    IPC分类号: H04R5/00 G06F17/00

    摘要: A multi-channel input signal having at least three original channels is represented by a parameter representation of the multi-channel signal. A first balance parameter, a first coherence parameter, or a first inter-channel time difference between a first channel pair and a second balance parameter, or a second coherence parameter, or a second inter-channel time difference parameter between a second channel pair are calculated. This set of parameters is the parameter representation of the original signals. The first channel pair has two channels, which are different from two channels of a second channel pair. Furthermore, each channel of the two channel pairs is one of the original channels, or a weighted combination of the original channels, and the first channel pair and the second channel pair include information on the three original channels. For multi-channel reconstruction purposes, the parameters are used in addition to down-mixing information to generate a selectable number of output channels in a scalable fashion.

    摘要翻译: 具有至少三个原始信道的多信道输入信号由多信道信号的参数表示来表示。 在第二通道对之间的第一通道对和第二平衡参数之间的第一平衡参数,第一相干参数或第一通道间时间差或第二相干参数或第二通道间差参数是 计算。 这组参数是原始信号的参数表示。 第一通道对具有两个通道,它们与第二通道对的两个通道不同。 此外,两个信道对的每个信道是原始信道之一或原始信道的加权组合,并且第一信道对和第二信道对包括关于三个原始信道的信息。 对于多通道重建的目的,除了降混信息之外还使用这些参数,以便以可缩放的方式生成可选数量的输出通道。

    Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation
    6.
    发明授权
    Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation 有权
    用于产生水平参数的装置和方法以及用于生成多声道表示的装置和方法

    公开(公告)号:US08223976B2

    公开(公告)日:2012-07-17

    申请号:US11517900

    申请日:2006-09-08

    IPC分类号: H04R5/00

    摘要: A parameter representation of a multi-channel signal having several original channels includes a parameter set, which, when used together with at least one down-mix channel allows a multi-channel reconstruction. An additional level parameter is calculated such that an energy of the at least one downmix channel weighted by the level parameter is equal to a sum of energies of the original channels. The additional level parameter is transmitted to a multi-channel reconstructor together with the parameter set or together with a down-mix channel. An apparatus for generating a multi-channel representation uses the level parameter to correct the energy of the at least one transmitted down-mix channel before entering the down-mix signal into an up-mixer or within the up-mixing process.

    摘要翻译: 具有多个原始信道的多信道信号的参数表示包括参数集合,当与至少一个缩减混合信道一起使用时,允许多信道重构。 计算附加电平参数,使得由电平参数加权的至少一个下混通道的能量等于原始通道的能量之和。 附加电平参数与参数组一起发送到多通道重构器,或与降混频道一起发送。 用于产生多通道表示的装置使用电平参数来校正至少一个发送的下混合信道的能量,然后将其进入上混频器中或在上混频过程中。

    Apparatus and Method for Generating a Level Parameter and Apparatus and Method for Generating a Multi-Channel Representation
    7.
    发明申请
    Apparatus and Method for Generating a Level Parameter and Apparatus and Method for Generating a Multi-Channel Representation 有权
    用于生成电平参数的装置和方法以及用于产生多声道表示的装置和方法

    公开(公告)号:US20110075848A1

    公开(公告)日:2011-03-31

    申请号:US12872507

    申请日:2010-08-31

    IPC分类号: H04H20/47

    摘要: A parameter representation of a multi-channel signal having several original channels includes a parameter set, which, when used together with at least one down-mix channel allows a multi-channel reconstruction. An additional level parameter is calculated such that an energy of the at least one downmix channel weighted by the level parameter is equal to a sum of energies of the original channels. The additional level parameter is transmitted to a multi-channel reconstructor together with the parameter set or together with a down-mix channel. An apparatus for generating a multi-channel representation uses the level parameter to correct the energy of the at least one transmitted down-mix channel before entering the down-mix signal into an up-mixer or within the up-mixing process.

    摘要翻译: 具有多个原始信道的多信道信号的参数表示包括参数集合,当与至少一个缩减混合信道一起使用时,允许多信道重构。 计算附加电平参数,使得由电平参数加权的至少一个下混通道的能量等于原始通道的能量之和。 附加电平参数与参数组一起发送到多通道重构器,或与降混频道一起发送。 用于产生多通道表示的装置使用电平参数来校正至少一个发送的下混通道的能量,然后再将其进入上混频器或上混频过程。

    Method for Representing Multi-Channel Audio Signals
    8.
    发明申请
    Method for Representing Multi-Channel Audio Signals 有权
    多通道音频信号表示方法

    公开(公告)号:US20110002470A1

    公开(公告)日:2011-01-06

    申请号:US12882894

    申请日:2010-09-15

    IPC分类号: H04R5/00

    摘要: A multi-channel input signal having at least three original channels is represented by a parameter representation of the multi-channel signal. A first balance parameter, a first coherence parameter, or a first inter-channel time difference between a first channel pair and a second balance parameter, or a second coherence parameter, or a second inter-channel time difference parameter between a second channel pair are calculated. This set of parameters is the parameter representation of the original signals. The first channel pair has two channels, which are different from two channels of a second channel pair. Furthermore, each channel of the two channel pairs is one of the original channels, or a weighted combination of the original channels, and the first channel pair and the second channel pair include information on the three original channels.For multi-channel reconstruction purposes, the parameters are used in addition to down-mixing information to generate a selectable number of output channels in a scalable fashion.

    摘要翻译: 具有至少三个原始信道的多信道输入信号由多信道信号的参数表示来表示。 在第二通道对之间的第一通道对和第二平衡参数之间的第一平衡参数,第一相干参数或第一通道间时间差或第二相干参数或第二通道间差参数是 计算。 这组参数是原始信号的参数表示。 第一通道对具有两个通道,它们与第二通道对的两个通道不同。 此外,两个信道对的每个信道是原始信道之一或原始信道的加权组合,并且第一信道对和第二信道对包括关于三个原始信道的信息。 对于多通道重建的目的,除了降混信息之外还使用这些参数,以便以可缩放的方式生成可选数量的输出通道。

    Advanced methods for interpolation and parameter signalling
    9.
    发明申请
    Advanced methods for interpolation and parameter signalling 有权
    插值和参数信号的高级方法

    公开(公告)号:US20060136229A1

    公开(公告)日:2006-06-22

    申请号:US11286199

    申请日:2005-11-22

    IPC分类号: G10L21/00

    CPC分类号: G10L19/008

    摘要: A parameter calculator calculates lower resolution parametric information and interpolation information. On a decoder-side, an upmixer is used for generating the output channels. The upmixer uses high resolution parametric information generated by a parameter interpolator using the low resolution parametric information and decoder-side derived interpolation information or encoder-generated interpolation information for selecting one of a plurality of different interpolation characteristics.

    摘要翻译: 参数计算器计算低分辨率参数信息和插值信息。 在解码器侧,上混频器用于产生输出通道。 上混频器使用由参数内插器产生的高分辨率参数信息,其使用低分辨率参数信息和解码器侧导出的内插信息或编码器生成的用于选择多个不同插值特性之一的内插信息。

    Advanced methods for interpolation and parameter signalling
    10.
    发明授权
    Advanced methods for interpolation and parameter signalling 有权
    插值和参数信号的高级方法

    公开(公告)号:US07974847B2

    公开(公告)日:2011-07-05

    申请号:US11286199

    申请日:2005-11-22

    IPC分类号: G10L19/00

    CPC分类号: G10L19/008

    摘要: A parameter calculator calculates lower resolution parametric information and interpolation information. On a decoder-side, an upmixer is used for generating the output channels. The upmixer uses high resolution parametric information generated by a parameter interpolator using the low resolution parametric information and decoder-side derived interpolation information or encoder-generated interpolation information for selecting one of a plurality of different interpolation characteristics.

    摘要翻译: 参数计算器计算低分辨率参数信息和插值信息。 在解码器侧,上混频器用于产生输出通道。 上混频器使用由参数内插器产生的高分辨率参数信息,其使用低分辨率参数信息和解码器侧导出的内插信息或编码器生成的用于选择多个不同插值特性之一的内插信息。