Method and an apparatus for decoding an audio signal
    111.
    发明授权
    Method and an apparatus for decoding an audio signal 有权
    用于对音频信号进行解码的方法和装置

    公开(公告)号:US07783051B2

    公开(公告)日:2010-08-24

    申请号:US12573067

    申请日:2009-10-02

    IPC分类号: H04R5/00

    摘要: A method for processing an audio signal, comprising: receiving a downmix signal, an object information, and a mix information; generating a multi-channel information including at least one gain modification factor using the object information and the mix information, wherein the gain modification factor corresponds to a time-subband-variant factor for controlling gain of the downmix signal is disclosed.

    摘要翻译: 一种用于处理音频信号的方法,包括:接收下混合信号,对象信息和混合信息; 公开了使用对象信息和混合信息生成包括至少一个增益修正因子的多信道信息,其中增益修正因子对应于用于控制下混信号增益的时间子带变异因子。

    METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL
    112.
    发明申请
    METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL 有权
    方法和处理信号的装置

    公开(公告)号:US20100211400A1

    公开(公告)日:2010-08-19

    申请号:US12738252

    申请日:2008-11-21

    IPC分类号: G10L19/00

    摘要: A method of processing a signal is disclosed. The present invention includes receiving at least one of a first signal and a second signal, obtaining mode information and modification flag information indicating whether the first signal is modified, if it is determined as an audio coding scheme according to the mode information, decoding the first signal by the audio coding scheme, if the first signal is modified based on the modification flag information, reconstructing the first signal by applying modification reconstruction information to the first signal, determining an extension base signal corresponding to a partial region of the first signal based on extension information, and generating an extended downmix signal having a bandwidth extended by reconstructing a high frequency region signal using the extension base signal and the extension information. According to a signal processing method and apparatus of the present invention, after a first signal has been decoded by a first coding scheme, the first signal is adjusted using modification reconstruction information for reconstructing the first signal modified in time domain in performing encoding. Therefore, a coding efficiency enhanced signal can be provided.

    摘要翻译: 公开了处理信号的方法。 本发明包括如果根据模式信息被确定为音频编码方案,则接收第一信号和第二信号中的至少一个,获得指示第一信号是否被修改的模式信息和修改标志信息, 信号通过音频编码方案,如果基于修改标志信息修改第一信号,则通过将修改重构信息应用于第一信号来重建第一信号,基于第一信号确定与第一信号的部分区域对应的扩展基础信号 扩展信息,并且使用扩展基础信号和扩展信息,通过重建高频区域信号来产生具有扩展的带宽的扩展缩混信号。 根据本发明的信号处理方法和装置,在通过第一编码方案对第一信号进行了解码之后,使用修改重建信息来调整第一信号,以便在进行编码时重建在时域修改的第一信号。 因此,可以提供编码效率提高信号。

    Method and an Apparatus for Decoding an Audio Signal
    113.
    发明申请
    Method and an 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:US20100014680A1

    公开(公告)日:2010-01-21

    申请号:US12573067

    申请日:2009-10-02

    IPC分类号: H04R5/00 G10L19/00

    摘要: A method for processing an audio signal, comprising: receiving a downmix signal, an object information, and a mix information; generating a multi-channel information including at least one gain modification factor using the object information and the mix information, wherein the gain modification factor corresponds to a time-subband-variant factor for controlling gain of the downmix signal is disclosed.

    摘要翻译: 一种用于处理音频信号的方法,包括:接收下混合信号,对象信息和混合信息; 公开了使用对象信息和混合信息生成包括至少一个增益修正因子的多信道信息,其中增益修正因子对应于用于控制下混信号增益的时间子带变异因子。

    METHOD AND AN APPARATUS FOR DECODING AN AUDIO SIGNAL
    114.
    发明申请
    METHOD AND AN 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:US20090171676A1

    公开(公告)日:2009-07-02

    申请号:US12405016

    申请日:2009-03-16

    IPC分类号: G10L19/00

    CPC分类号: G10L19/008

    摘要: A method of decoding for an audio signal comprises the step of receiving a downmix of an audio signal, an object information, and a mix information, the object information including an object level information, an object correlation information, and an object gain information, generating a downmix processing information using the object information and the mix information, and processing the downmix of the audio signal using the downmix processing information. Various embodiments of the present invention provide a method and an apparatus for decoding multi-object audio signals fast and efficiently by reducing process time, computer resource, thereby relieving the resource requirement like the wide bandwidth. The object parameters according to the embodiments of the present invention can provide backward compatibility in the view of the channel-oriented decoding process.

    摘要翻译: 对音频信号进行解码的方法包括:接收音频信号,对象信息和混合信息的混合的步骤,包括对象级别信息,对象相关信息和对象增益信息的对象信息,生成 使用对象信息和混合信息的下混处理信息,以及使用缩混处理信息处理音频信号的下混。 本发明的各种实施例提供了一种通过减少处理时间,计算机资源来快速有效地解码多对象音频信号的方法和装置,从而减轻诸如宽带宽的资源需求。 根据本发明的实施例的对象参数可以在面向通道的解码过程的观点中提供向后兼容性。

    Method and an Apparatus for Decoding an Audio Signal
    115.
    发明申请
    Method and an 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:US20080205657A1

    公开(公告)日:2008-08-28

    申请号:US11952957

    申请日:2007-12-07

    IPC分类号: H04R5/00

    摘要: A method for processing an audio signal, comprising: receiving a downmix signal, a first multi-channel information, and an object information; processing the downmix signal using the object information and a mix information; and, transmitting one of the first multi-channel information and a second multi-channel information according to the mix information, wherein the second channel information is generated using the object information and the mix information is disclosed.

    摘要翻译: 一种用于处理音频信号的方法,包括:接收下混合信号,第一多声道信息和对象信息; 使用所述对象信息和混合信息来处理所述下混合信号; 以及根据混合信息发送第一多频道信息和第二多频道信息之一,其中使用对象信息生成第二频道信息,并且公开混音信息。

    Method and an apparatus for processing an audio signal
    116.
    发明授权
    Method and an apparatus for processing an audio signal 有权
    用于处理音频信号的方法和装置

    公开(公告)号:US08670576B2

    公开(公告)日:2014-03-11

    申请号:US12811344

    申请日:2008-12-31

    IPC分类号: H04H60/04 H04S5/02 H04S3/00

    摘要: A method of processing an audio signal is disclosed. The present invention includes receiving a downmix signal including at least one object signal and object information extracted when the downmix signal is generated, receiving mix information including mode selection information, the mix information for controlling the object signal, bypassing the downmix signal or extracting a background object and at least one independent object from the downmix signal, based on the mode selection information, and if the downmix signal is bypassed, generating multi-channel information using the object information and the mix information, wherein the downmix signal corresponds to a mono signal and wherein the mode selection information includes information indicating which one of modes including a normal mode, a mode for controlling the background object, and a mode for controlling the at least one independent object.

    摘要翻译: 公开了一种处理音频信号的方法。 本发明包括接收包括至少一个对象信号的下混信号和产生下混合信号时提取的对象信息,接收包括模式选择信息的混合信息,用于控制对象信号的混合信息,绕过下混信号或提取背景 对象和至少一个独立的对象,根据模式选择信息,并且如果下混合信号被旁路,则使用对象信息和混合信息生成多声道信息,其中下混合信号对应于单声道信号 并且其中,所述模式选择信息包括指示包括正常模式的模式,用于控制所述背景对象的模式以及用于控制所述至少一个独立对象的模式的模式。

    Method and an apparatus for processing an audio signal
    117.
    发明授权
    Method and an apparatus for processing an audio signal 有权
    用于处理音频信号的方法和装置

    公开(公告)号:US08620008B2

    公开(公告)日:2013-12-31

    申请号:US12690837

    申请日:2010-01-20

    IPC分类号: H04B1/00 H04R5/00

    摘要: An apparatus for processing an audio signal and method thereof, comprising receiving a downmix signal comprising at least one normal object signal, and bitstream including object information determined when the downmix signal is generated; extracting extension type identifier indicating whether the downmix signal further comprises a multi-channel object signal, from extension part of the bitstream; when the extension type identifier indicates that the downmix signal further comprise multi-channel object signal, extracting first spatial information from the bitstream; and, transmitting at least one of the first spatial information and the second spatial information; wherein the first spatial information is determined when a multi-channel source signal are downmixed into the multi-channel object signal, wherein the second information is generated using the object information and mix information, are disclosed.

    摘要翻译: 一种用于处理音频信号的装置及其方法,包括:接收包括至少一个正常对象信号的下混信号,以及包含当产生下混合信号时确定的对象信息的比特流; 从所述比特流的扩展部分提取指示所述下混信号是否进一步包括多信道对象信号的扩展类型标识符; 当扩展类型标识符指示下混信号还包括多信道对象信号时,从比特流中提取第一空间信息; 以及发送所述第一空间信息和所述第二空间信息中的至少一个; 其中当多信道源信号下混合到多信道对象信号中时确定第一空间信息,其中使用对象信息和混合信息生成第二信息。

    Method and an apparatus for processing an audio signal
    118.
    发明授权
    Method and an apparatus for processing an audio signal 有权
    用于处理音频信号的方法和装置

    公开(公告)号:US08594817B2

    公开(公告)日:2013-11-26

    申请号:US12530615

    申请日:2008-03-07

    IPC分类号: G06F17/00 H04B1/00

    摘要: A method of processing an audio signal is disclosed. The present invention comprises receiving a downmix signal, object information and preset information, generating downmix processing information using the object information and the preset information, processing the downmix signal using the downmix processing information, and generating multi-channel information using the object information and the preset information, wherein the preset information is extracted from a bitstream. Accordingly, a gain and panning of an object can be easily controlled without user's setting for each object using preset information set in advance. And, a gain and panning of an object can be controlled using preset information modified based on a selection made by a user.

    摘要翻译: 公开了一种处理音频信号的方法。 本发明包括接收下混信号,对象信息和预设信息,使用对象信息和预设信息生成下混处理信息,使用下混处理信息处理下混信号,并使用对象信息生成多声道信息, 预置信息,其中从比特流中提取预设信息。 因此,可以容易地控制物体的增益和平移,而无需使用预先设定的预设信息对每个物体进行用户设定。 并且,可以使用基于用户进行的选择修改的预设信息来控制对象的增益和平移。

    Method and an apparatus for processing a signal
    119.
    发明授权
    Method and an apparatus for processing a signal 有权
    用于处理信号的方法和装置

    公开(公告)号:US08543231B2

    公开(公告)日:2013-09-24

    申请号:US12746853

    申请日:2008-12-09

    IPC分类号: G06F17/00

    摘要: A method of processing a signal is disclosed, which includes receiving a downmix signal, object information and rendering information; obtaining downmix gain flag information indicating whether a downmix gain is included in the object information; and generating downmix processing information using the object information and the rendering information based on the downmix gain flag information, wherein the object information includes modified object level information or object level information, wherein the modified object level information is determined using a level of a modified object generated by applying the downmix gain to an object, and wherein the object level information is determined using a level of the object. Accordingly, in an apparatus for processing a signal and method thereof according to the present invention, the signal is decoded using modified object level information based on downmix gain flag information. Therefore, the present invention enables to select an efficient signal processing method according to an environment.

    摘要翻译: 公开了一种处理信号的方法,包括接收下混信号,对象信息和呈现信息; 获得指示所述对象信息中是否包含缩混增益的下混增益标志信息; 以及基于所述下混增益标志信息,使用所述对象信息和所述呈现信息生成下混处理信息,其中所述对象信息包括修改的对象级信息或对象级信息,其中,使用修改对象的级别来确定所述修改的对象级别信息 通过将下混合增益应用于对象而生成,并且其中使用对象的级别确定对象级别信息。 因此,在根据本发明的用于处理信号的装置和方法中,使用基于下混增益标志信息的修改对象级别信息对信号进行解码。 因此,本发明能够根据环境选择有效的信号处理方法。

    Method and an apparatus for processing a signal using length-adjusted window
    120.
    发明授权
    Method and an apparatus for processing a signal using length-adjusted window 有权
    使用长度调整窗口处理信号的方法和装置

    公开(公告)号:US08504377B2

    公开(公告)日:2013-08-06

    申请号:US12738252

    申请日:2008-11-21

    IPC分类号: G10L19/00

    摘要: A method of processing a signal is disclosed. The present invention includes receiving at least one of a first signal and a second signal, obtaining mode information and modification flag information indicating whether the first signal is modified, if it is determined as an audio coding scheme according to the mode information, decoding the first signal by the audio coding scheme, if the first signal is modified based on the modification flag information, reconstructing the first signal by applying modification reconstruction information to the first signal, determining an extension base signal corresponding to a partial region of the first signal based on extension information, and generating an extended downmix signal having a bandwidth extended by reconstructing a high frequency region signal using the extension base signal and the extension information. According to a signal processing method and apparatus of the present invention, after a first signal has been decoded by a first coding scheme, the first signal is adjusted using modification reconstruction information for reconstructing the first signal modified in time domain in performing encoding. Therefore, a coding efficiency enhanced signal can be provided.

    摘要翻译: 公开了处理信号的方法。 本发明包括如果根据模式信息被确定为音频编码方案,则接收第一信号和第二信号中的至少一个,获得指示第一信号是否被修改的模式信息和修改标志信息, 信号通过音频编码方案,如果基于修改标志信息修改第一信号,则通过将修改重构信息应用于第一信号来重建第一信号,基于第一信号确定与第一信号的部分区域对应的扩展基础信号 扩展信息,并且使用扩展基础信号和扩展信息,通过重建高频区域信号来产生具有扩展的带宽的扩展缩混信号。 根据本发明的信号处理方法和装置,在通过第一编码方案对第一信号进行了解码之后,使用修改重建信息来调整第一信号,以便在进行编码时重建在时域修改的第一信号。 因此,可以提供编码效率增强信号。