公开(公告)号：WO2010064877A3

公开(公告)日：2010-09-23

申请号：PCT/KR2009007265

申请日：2009-12-07

Applicant: LG ELECTRONICS INC ,  OH HYEN O ,  JUNG YANG WON

Inventor： OH HYEN O ,  JUNG YANG WON

IPC: G10L19/14 ,  G10L19/00 ,  G10L19/008 ,  G10L19/20

CPC classification number: G10L19/008 ,  G10L19/20 ,  H04S2400/03 ,  H04S2400/09 ,  H04S2420/03

Abstract: A method of processing an audio signal, comprising: receiving a downmix signal, a residual signal and object information; extracting at least one of a background-object signal and a foreground-object signal from the downmix signal using the residual signal; receiving mix information comprising gain control information for the background-object signal; generating a downmix processing information based on the object information and the mix information; and, generating a processed downmix signal comprising a modified background-object signal to which an adjusted gain corresponding to the gain control information is applied, by applying the downmix processing information to the at least one of the background-object signal and the foreground-object signal is disclosed.

Abstract translation: 一种处理音频信号的方法，包括：接收缩混信号，残差信号和对象信息; 使用所述残差信号从所述下混合信号提取背景物体信号和前景物体信号中的至少一个; 接收包括用于背景物体信号的增益控制信息的混合信息; 基于对象信息和混合信息生成缩混处理信息; 以及通过将所述下混处理信息应用于所述背景物体信号和所述前景物体中的所述至少一个，生成包括修改后的背景物体信号的经处理的下混信号，所述经修改的背景物体信号被施加有对应于所述增益控制信息的经调整的增益 信号被披露。

公开(公告)号：WO2010013941A2

公开(公告)日：2010-02-04

申请号：PCT/KR2009004220

申请日：2009-07-29

Applicant: LG ELECTRONICS INC ,  OH HYEN O ,  MOON JONG HA ,  FAVROT ALEXIS ,  FALLER CHRISTOF ,  LEE JOON IL ,  LEE MYUNG HOON ,  JUNG YANG WON

Inventor： OH HYEN O ,  MOON JONG HA ,  FAVROT ALEXIS ,  FALLER CHRISTOF ,  LEE JOON IL ,  LEE MYUNG HOON ,  JUNG YANG WON

IPC: G11B20/24 ,  G10L21/02

CPC classification number: H03G9/025 ,  H03G7/007 ,  H03G9/005

Abstract: An apparatus for processing an audio signal and method thereof are disclosed, by which a local dynamic range of an audio signal can be adaptively normalized as well as a maximum dynamic range of the audio signal. The present invention includes receiving a signal, by an audio processing apparatus; computing a long-term power and a short-term power by estimating power of the signal; generating a slow gain based on the long-term power; generating a fast gain based on the short-term power; obtaining a final gain by combining the slow gain and the fast gain; and, modifying the signal using the final gain.

Abstract translation: 公开了一种用于处理音频信号的设备及其方法，通过该设备可以自适应地标准化音频信号的局部动态范围以及音频信号的最大动态范围。 本发明包括由音频处理装置接收信号; 通过估计信号的功率来计算长期功率和短期功率; 基于长期功率产生慢增益; 基于短期功率产生快速增益; 通过组合慢增益和快增益来获得最终增益; 并使用最终增益修改信号。

公开(公告)号：WO2009128662A3

公开(公告)日：2010-01-21

申请号：PCT/KR2009001980

申请日：2009-04-16

Applicant: LG ELECTRONICS INC ,  OH HYEN O ,  JUNG YANG WON

Inventor： OH HYEN O ,  JUNG YANG WON

IPC: G10L19/00 ,  H04S5/00

CPC classification number: H04S7/30 ,  H04S2400/11 ,  H04S2420/03

Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The preset invention includes receiving a downmix signal including at least one object, object information based on attribute of the object, preset information to render the downmix signal and preset attribute information indicating attribute of the preset information; rendering the downmix signal by applying the preset information to all data regions of the downmix signal, if the preset information is included in an extension region of a configuration information region based on the preset attribute information; and rendering the downmix signal by applying the preset information to one corresponding data region of the downmix signal, if the preset information is included in an extension region of a data region based on the preset attribute information. Accordingly, it is able to efficiently reconstruct an audio signal by individually selecting to apply the preset information by a data region unit or selecting to apply the same preset information to all data regions of a downmix signal according to a characteristic of a sound source.

Abstract translation: 公开了一种用于处理音频信号的装置及其方法。 本发明包括：接收包括至少一个对象的下混信号，基于对象的属性的对象信息，用于呈现下混合信号的预设信息和指示预设信息的属性的预设属性信息; 如果预设信息基于预设的属性信息包括在配置信息区域的扩展区域中，则通过将预设信息应用于下混合信号的所有数据区域来渲染下混合信号; 以及如果所述预设信息基于所述预设属性信息被包括在数据区域的扩展区域中，则通过将所述预设信息应用于所述下混合信号的一个对应数据区域来呈现所述下混合信号。 因此，能够通过单独地选择通过数据区域单元来应用预设信息或者根据声源的特性选择将相同的预设信息应用于降混信号的所有数据区域而有效地重建音频信号。

公开(公告)号：WO2006126855A3

公开(公告)日：2007-01-11

申请号：PCT/KR2006002016

申请日：2006-05-26

Applicant: LG ELECTRONICS INC ,  OH HYEN O ,  JUNG YANG WON ,  PANG HEE SUK ,  KIM DONG SOO ,  LIM JAE HYUN

Inventor： OH HYEN O ,  JUNG YANG WON ,  PANG HEE SUK ,  KIM DONG SOO ,  LIM JAE HYUN

IPC: G10L19/00

CPC classification number: H04S1/007 ,  G10L19/008 ,  H04R5/04 ,  H04S3/008 ,  H04S5/00 ,  H04S5/005 ,  H04S2400/01 ,  H04S2420/01 ,  H04S2420/03

Abstract: Method and apparatus for processing audio signals are provided. The method for decoding an audio signal includes receiving filter information, applying spatial information to the filter information to generate surround converting information, and outputting the surround converting information. The apparatus for decoding an audio signal includes a filter information receiving part receiving filter information; an information converting part applying spatial information to the filter information to generate surround converting information, and a surround converting information output part outputting the surround converting information.

Abstract translation: 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接收滤波器信息，将空间信息应用于滤波器信息以生成环绕变换信息，并输出环绕变换信息。 用于解码音频信号的装置包括滤波器信息接收部分接收滤波器信息; 将空间信息应用于滤波器信息以生成环绕变换信息的信息转换部分，以及输出环绕转换信息的环绕变换信息输出部分。

公开(公告)号：WO2010085083A3

公开(公告)日：2010-10-21

申请号：PCT/KR2010000362

申请日：2010-01-20

Applicant: LG ELECTRONICS INC ,  OH HYEN O ,  JUNG YANG WON

Inventor： OH HYEN O ,  JUNG YANG WON

IPC: G10L19/00 ,  G10L19/008

CPC classification number: G10L19/008 ,  H04S3/00 ,  H04S3/02 ,  H04S7/30 ,  H04S2420/03

Abstract: 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.

Abstract translation: 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，以及包括当生成所述降混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合信号是否还包括多信道对象信号的扩展类型标识符; 当所述扩展类型标识符指示所述下混合信号还包括多信道对象信号时，从所述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。

公开(公告)号：WO2010041877A3

公开(公告)日：2010-07-22

申请号：PCT/KR2009005748

申请日：2009-10-08

Applicant: LG ELECTRONICS INC ,  OH HYEN O ,  JUNG YANG WON

Inventor： OH HYEN O ,  JUNG YANG WON

IPC: G10L19/00 ,  G10L19/008 ,  G10L19/20

CPC classification number: G10L19/20 ,  G10L19/008

Abstract: A method of decoding an audio signal comprises receiving (a) a downmix signal being generated by downmixing a plurality of modified object signals, the modified object signals being generated by applying downmix gain information to object signal, (b) object information including the downmix gain information applied to the object signal and modified object level information indicating energy level of the modified object signal, and (c) rendering information; obtaining the modified object level information from a frame of the object information and downmix gain information from extension region of the object information; generating downmix processing information by using the modified object level information and the rendering information, the downmix processing information in order to allow object panning and object level control of the downmix signal; generating output signal by modifying the downmix signal with the downmix processing information; and generating object level information by applying the downmix gain information to the modified object level information, in order to obtain the object signal.

Abstract translation: 一种解码音频信号的方法包括接收（a）通过缩混多个修改的对象信号而生成的缩混信号，所述修改的对象信号是通过将下混增益信息应用于对象信号而生成的，（b）包括下混增益的对象信息 （c）渲染信息;以及（c）提供信息;以及（c）提供信息。 从对象信息的帧中获得修改后的对象级别信息，并从对象信息的扩展区域中获取下混合增益信息; 通过使用修改后的对象级别信息和渲染信息来生成下混合处理信息，下混合处理信息以便允许下混合信号的对象摇摄和对象级别控制; 通过利用所述下混处理信息修改所述下混合信号来生成输出信号; 以及通过将下混合增益信息应用于修改的对象级别信息来生成对象级别信息，以便获得对象信号。

公开(公告)号：WO2010008198A2

公开(公告)日：2010-01-21

申请号：PCT/KR2009003889

申请日：2009-07-15

Applicant: LG ELECTRONICS INC ,  OH HYEN O ,  JUNG YANG WON

Inventor： OH HYEN O ,  JUNG YANG WON

IPC: G10L19/00

CPC classification number: H04R3/00 ,  G10L19/008 ,  G10L19/167 ,  G10L19/20 ,  H04S7/30 ,  H04S7/40

Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The method comprises receiving a downmix signal, object information indicating attribute of the object and including object number information, preset information to render the downmix signal, external preset information being inputted from external, and applied object number information indicating the number of object being applied the external preset information; determining whether the applied object number information is identical to the object number information; and rendering the downmix signal by using the external preset information, if the applied object number information is identical to the object number information, wherein the external preset rendering parameter renders the object being included in the downmix signal and the external preset metadata indicates attribute of the external preset rendering parameter. Accordingly, an audio signal can be efficiently reconstructed by individually selecting and applying external preset information by a data region unit or by selecting and applying the same external preset information to a whole downmix signal.

Abstract translation: 公开了一种用于处理音频信号的设备及其方法。 该方法包括接收下混信号，指示对象的属性并包括对象编号信息的对象信息，渲染下混合信号的预设信息，从外部输入的外部预设信息以及指示正在应用的对象的数量的施加对象编号信息 外部预设信息; 确定应用的对象号码信息是否与对象号码信息相同; 以及如果应用的对象数量信息与对象数量信息相同，则外部预设渲染参数渲染对象被包括在下混合信号中，并且外部预设元数据指示应用对象数量信息的属性，并且通过使用外部预设信息渲染下混合信号 外部预设渲染参数。 因此，通过由数据区域单元单独选择和应用外部预设信息，或者通过选择相同的外部预设信息并将其应用于整个下混合信号，可以有效地重建音频信号。

公开(公告)号：WO2009142464A2

公开(公告)日：2009-11-26

申请号：PCT/KR2009002743

申请日：2009-05-25

Applicant: LG ELECTRONICS INC ,  IND ACADEMIC COOP ,  OH HYEN O ,  LEE CHANG HEON ,  SONG JEONGOOK ,  JUNG YANG WON ,  KANG HONG GOO

Inventor： OH HYEN O ,  LEE CHANG HEON ,  SONG JEONGOOK ,  JUNG YANG WON ,  KANG HONG GOO

IPC: G10L19/04

CPC classification number: G10L19/08

Abstract: Disclosed is a method for processing audio signals. The method comprises the steps of: receiving long-term prediction information and a residual; performing an inverse-frequency-conversion for the residual to generate a synthetic residual; and performing a long-term synthesis based on the synthetic residual and the long-term prediction information to generate the synthetic audio signal of a current frame. The long-term prediction information includes the final gain and the final delay. The range of the final delay starts at 0, and the long-term synthesis is performed based on the synthetic audio signals of the frames including previous frames.

Abstract translation: 公开了一种处理音频信号的方法。 该方法包括以下步骤：接收长期预测信息和残差; 对所述残差执行逆频变换以产生合成残差; 以及基于合成残差和长期预测信息执行长期合成以产生当前帧的合成音频信号。 长期预测信息包括最终增益和最终延迟。 最终延迟的范围从0开始，并且基于包括先前帧的帧的合成音频信号执行长期合成。

公开(公告)号：WO2009093867A3

公开(公告)日：2009-11-26

申请号：PCT/KR2009000367

申请日：2009-01-23

Applicant: LG ELECTRONICS INC ,  OH HYEN O ,  JUNG YANG WON

Inventor： OH HYEN O ,  JUNG YANG WON

IPC: H03M7/30 ,  G10L19/00 ,  G10L19/008

CPC classification number: H03G3/00 ,  G06F3/00 ,  G06F3/01 ,  G10L19/008 ,  G11B20/10 ,  H04S7/30 ,  H04S2400/03 ,  H04S2400/11 ,  H04S2420/03

Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving the audio signal and preset information; obtaining preset matrix from the preset information, wherein the preset matrix indicates contribution degree of the object to output channel; and adjusting output level of the object by using the preset matrix. Accordingly, without user's setting for each object, if preset metadata to be applied to an audio signal is selected with reference to previously- set preset metadata, levels of objects included in the audio signal can be easily adjusted using preset rendering data corresponding to the selected preset metadata.

Abstract translation: 公开了一种用于处理音频信号的设备及其方法。 本发明包括接收音频信号和预设信息; 从预设信息中获取预设矩阵，预设矩阵表示对象对输出通道的贡献度; 以及通过使用预设矩阵来调整对象的输出水平。 因此，在没有用户对每个对象的设置的情况下，如果参照预先设置的预设元数据选择要应用于音频信号的预设元数据，则可以使用与所选择的对应的预设渲染数据容易地调整包括在音频信号中的对象的级别 预设元数据。

公开(公告)号：WO2007040362A8

公开(公告)日：2008-10-02

申请号：PCT/KR2006004022

申请日：2006-10-04

Applicant: LG ELECTRONICS INC ,  OH HYEN O ,  PANG HEE SUK ,  KIM DONG SOO ,  LIM JAE HYUN ,  JUNG YANG WON ,  KIM HYO JIN

Inventor： OH HYEN O ,  PANG HEE SUK ,  KIM DONG SOO ,  LIM JAE HYUN ,  JUNG YANG WON ,  KIM HYO JIN

IPC: G10L19/008 ,  G10L19/00 ,  G10L19/02 ,  G10L19/04 ,  G10L19/16 ,  G10L19/18 ,  G10L19/20 ,  G10L19/22

CPC classification number: G10L19/18 ,  G10L19/0017 ,  G10L19/008 ,  G10L19/04 ,  G10L19/167 ,  G10L19/20 ,  G10L19/22 ,  H03M7/30 ,  H03M7/40 ,  H03M7/42 ,  H04L27/2602 ,  H04N21/235 ,  H04N21/435 ,  H04S1/007

Abstract: An apparatus for processing a signal and method thereof are disclosed. Data coding and entropy coding are performed with interconnection, and grouping is used to enhance coding efficiency. The present invention includes the steps of obtaining a group reference value corresponding to a plurality of data included in one group through data grouping and internal grouping for the data grouping and a difference value corresponding to the group reference value and obtaining the data using the group reference value and the difference value.

Abstract translation: 公开了一种处理信号的装置及其方法。 通过互连进行数据编码和熵编码，分组用于提高编码效率。 本发明包括以下步骤：通过用于数据分组的数据分组和内部分组以及与组参考值相对应的差值获得与包括在一组中的多个数据相对应的组参考值，并使用组参考获得数据 值和差值。