Method and Apparatus for Processing a Media Signal
    91.
    发明申请
    Method and Apparatus for Processing a Media Signal 有权
    用于处理媒体信号的方法和装置

    公开(公告)号:US20090003611A1

    公开(公告)日:2009-01-01

    申请号:US12161337

    申请日:2007-01-19

    IPC分类号: H04R5/00

    摘要: An apparatus for processing a media signal and method thereof are disclosed, by which the media signal can be converted to a surround signal by using spatial information of the media signal. The present invention provides a method of processing a signal, the method comprising of extracting a downmix signal from a bitstream; generating a decorrelated downmix signal by applying a decorrelator to the downmix signal; and generating a surround signal by applying rendering information for generating a surround signal to the downmix signal and the decorrelated downmix signal.

    摘要翻译: 公开了一种用于处理媒体信号的装置及其方法,利用该装置可以通过使用媒体信号的空间信息将媒体信号转换成环绕信号。 本发明提供一种处理信号的方法,所述方法包括从比特流中提取下混合信号; 通过将去相关器应用于所述降混信号来产生去相关的下混合信号; 以及通过将用于产生环绕信号的渲染信息应用于降混信号和解相关的下混信号来产生环绕信号。

    Method For Signaling of Splitting Information
    92.
    发明申请
    Method For Signaling of Splitting Information 有权
    分割信息信号的方法

    公开(公告)号:US20080304513A1

    公开(公告)日:2008-12-11

    申请号:US11997318

    申请日:2006-07-28

    IPC分类号: H04J15/00

    CPC分类号: G10L19/008

    摘要: A signaling method for signal division information is disclosed. The signaling method divides a signal into several signals, and effectively represents division information of the divided signals. The present invention provides the method signaling for signaling signal division information comprising: assigning number of lower nodes equal to the number of divisions to a lower layer if a node of an upper layer is represented by a division identifier (ID); and un-assigning any lower node to the lower layer if the node of the upper layer is represented by a non-division identifier (ID), wherein the signal division information includes the division ID and the non-division ID indicating the presence or absence of a signal division at a node of a layer.

    摘要翻译: 公开了信号分割信息的信令方法。 信令方法将信号分成若干信号,有效地表示分割信号的分割信息。 本发明提供了用于信令信号分割信息的方法信令,包括:如果上层的节点由分区标识符(ID)表示,则将等于划分数的下层节点的数量分配给下层; 并且如果所述上层的节点由非划分标识符(ID)表示,则将所述下层节点分配给所述下层,其中所述信号分割信息包括所述分区ID和指示所述存在或不存在的所述非划分ID 在层的节点处的信号分割。

    Method and Apparatus for Decoding an Audio Signal
    93.
    发明申请
    Method and Apparatus for Decoding an Audio Signal 有权
    用于解码音频信号的方法和装置

    公开(公告)号:US20080294444A1

    公开(公告)日:2008-11-27

    申请号:US11915327

    申请日:2006-05-25

    IPC分类号: G10L19/00

    摘要: Method and apparatus for processing audio signals are provided. The method for decoding an audio signal includes extracting a downmix signal and spatial information from a received audio signal and generating a pseudo-surround signal using the downmix signal and the spatial information. The apparatus for decoding an audio signal includes a demultiplexing part extracting a downmix signal and spatial information from a received audio signal and a pseudo-surround decoding part generating a pseudo-surround signal from the downmix signal, using the spatial information.

    摘要翻译: 提供了用于处理音频信号的方法和装置。 用于解码音频信号的方法包括从接收到的音频信号中提取降混信号和空间信息,并使用降混信号和空间信息产生伪环绕信号。 用于解码音频信号的装置包括:解复用部分,使用空间信息,从接收到的音频信号中提取下混合信号和空间信息;以及伪环绕解码部分,从缩混信号产生伪环绕信号。

    Method and Apparatus for Processing a Media Signal
    94.
    发明申请
    Method and Apparatus for Processing a Media Signal 有权
    用于处理媒体信号的方法和装置

    公开(公告)号:US20080279388A1

    公开(公告)日:2008-11-13

    申请号:US12161329

    申请日:2007-01-19

    IPC分类号: H04R5/00

    摘要: An apparatus for processing a media signal and method thereof are disclosed, by which the media signal can be converted to a surround signal a surround signal by using spatial information of the media signal. The present invention provides a method of processing a signal, the method comprising of generating source mapping information corresponding to each source of multi-sources by using spatial information indicating features between the multi-sources; generating at least one rendering information by using the source mapping information and filter information having a surround effect; and performing interpolation by using neighbor rendering information of the at least one rendering information.

    摘要翻译: 公开了一种用于处理媒体信号的装置及其方法,利用该装置可以通过使用媒体信号的空间信息将媒体信号转换成环绕信号环绕信号。 本发明提供一种处理信号的方法,该方法包括:通过使用指示多源之间的特征的空间信息,生成与每个源的源相对应的源映射信息; 通过使用源映射信息和具有环绕效果的过滤器信息来生成至少一个呈现信息; 以及通过使用所述至少一个呈现信息的相邻呈现信息来执行内插。

    Method for Encoding and Decoding Multi-Channel Audio Signal and Apparatus Thereof
    97.
    发明申请
    Method for Encoding and Decoding Multi-Channel Audio Signal and Apparatus Thereof 审中-公开
    多声道音频信号的编码和解码方法及其设备

    公开(公告)号:US20080262853A1

    公开(公告)日:2008-10-23

    申请号:US12091052

    申请日:2006-10-20

    IPC分类号: G10L19/00

    摘要: Methods and apparatuses for encoding and decoding a multi-channel audio signal are provided. In the encoding method, spatial information is calculated based on a multi-channel audio signal and a down-mix signal, and a compensation parameter that compensates for the down-mix signal is calculated based on the multi-channel audio signal and the down-mix signal. Thereafter, a bitstream is generated by encoding the spatial information, the compensation parameter, and the down-mix signal and combining the results of the encoding. Therefore, it is possible to prevent deterioration of the quality of sound regarding a multi-channel audio signal by compensating for the multi-channel audio signal using a compensation parameter that compensates for a down-mix signal.

    摘要翻译: 提供了用于编码和解码多声道音频信号的方法和装置。 在编码方法中,基于多声道音频信号和降混信号来计算空间信息,并且基于多声道音频信号和下行信号来计算补偿下混合信号的补偿参数, 混合信号。 此后,通过对空间信息,补偿参数和缩减混音信号进行编码并组合编码的结果来产生比特流。 因此,可以通过使用补偿降混信号的补偿参数来补偿多声道音频信号来防止关于多声道音频信号的声音质量的劣化。