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1. 发明授权

US08422688B2 Method and an apparatus of decoding an audio signal 有权
标题翻译：对音频信号进行解码的方法和装置
公开(公告)号：US08422688B2
公开(公告)日：2013-04-16
申请号：US12676730
申请日：2008-09-08
申请人： Hyen-O Oh , Myung Hoon Lee , Yang Won Jung , Chirstof Faller
发明人： Hyen-O Oh , Myung Hoon Lee , Yang Won Jung , Chirstof Faller
IPC分类号： H04R5/00 , H04B3/20
CPC分类号： G10L21/0272 , G10L19/008 , G10L21/00
摘要： The present invention includes an audio signal receiving unit receiving the audio signal having a plurality of channel signals including an ambient component signal and a source component signal; an ambient component signal extracting unit extracting the ambient component signal of each of the channels based on correlation between the channel signals; an ambient component signal modifying unit modifying the ambient component signal using surround effect information; a source component signal extracting unit extracting the source component signal of each of the channels based on the correlation between the channel signals; a first signal output unit outputting the modified ambient component signal and the source component signal; and a second signal output unit outputting the audio signal or the source component signal. Accordingly, in an apparatus for decoding an audio signal and method thereof according to the present invention, an ambient component signal is extracted and modified based on correlation and the modified ambient and source component signals are outputted using different signal output units, respectively. Therefore, the present invention enhances a stereo effect of the audio signal. And, a signal output unit for outputting an ambient component signal is arranged to have an output direction different from that of another signal output unit for outputting a source component signal, whereby a listener can be provided with an audio signal of which ambient sound is enhanced.
摘要翻译：本发明包括音频信号接收单元，其接收具有包括环境分量信号和源分量信号的多个信道信号的音频信号; 环境分量信号提取单元，基于信道信号之间的相关性提取每个信道的环境分量信号; 环境分量信号修改单元，使用环绕效果信息修改环境分量信号; 源分量信号提取单元，基于信道信号之间的相关性提取每个信道的源分量信号; 输出修正的环境分量信号和源分量信号的第一信号输出单元; 以及输出音频信号或源分量信号的第二信号输出单元。因此，在根据本发明的用于解码音频信号的装置及其方法中，基于相关性提取和修改环境分量信号，并且分别使用不同的信号输出单元输出修改的环境和源分量信号。因此，本发明增强了音频信号的立体效果。并且，用于输出环境分量信号的信号输出单元布置成具有与用于输出源分量信号的另一个信号输出单元的输出方向不同的输出方向，从而可以向收听者提供其环境声音被增强的音频信号。

2. 发明申请

US20100250259A1 METHOD AND AN APPARATUS OF DECODING AN AUDIO SIGNAL 有权
标题翻译：解码音频信号的方法和装置
公开(公告)号：US20100250259A1
公开(公告)日：2010-09-30
申请号：US12676730
申请日：2008-09-08
申请人： Hyen-O Oh , Myung Hoon Lee , Yang Won Jung , Christof Faller
发明人： Hyen-O Oh , Myung Hoon Lee , Yang Won Jung , Christof Faller
IPC分类号： G10L19/00
CPC分类号： G10L21/0272 , G10L19/008 , G10L21/00
摘要： The present invention includes an audio signal receiving unit receiving the audio signal having a plurality of channel signals including an ambient component signal and a source component signal; an ambient component signal extracting unit extracting the ambient component signal of each of the channels based on correlation between the channel signals; an ambient component signal modifying unit modifying the ambient component signal using surround effect information; a source component signal extracting unit extracting the source component signal of each of the channels based on the correlation between the channel signals; a first signal output unit outputting the modified ambient component signal and the source component signal; and a second signal output unit outputting the audio signal or the source component signal. Accordingly, in an apparatus for decoding an audio signal and method thereof according to the present invention, an ambient component signal is extracted and modified based on correlation and the modified ambient and source component signals are outputted using different signal output units, respectively. Therefore, the present invention enhances a stereo effect of the audio signal. And, a signal output unit for outputting an ambient component signal is arranged to have an output direction different from that of another signal output unit for outputting a source component signal, whereby a listener can be provided with an audio signal of which ambient sound is enhanced.
摘要翻译：本发明包括音频信号接收单元，其接收具有包括环境分量信号和源分量信号的多个信道信号的音频信号; 环境分量信号提取单元，基于信道信号之间的相关性提取每个信道的环境分量信号; 环境分量信号修改单元，使用环绕效果信息修改环境分量信号; 源分量信号提取单元，基于信道信号之间的相关性提取每个信道的源分量信号; 输出修正的环境分量信号和源分量信号的第一信号输出单元; 以及输出音频信号或源分量信号的第二信号输出单元。因此，在根据本发明的用于解码音频信号的装置及其方法中，基于相关性提取和修改环境分量信号，并且分别使用不同的信号输出单元输出修改的环境和源分量信号。因此，本发明增强了音频信号的立体效果。并且，用于输出环境分量信号的信号输出单元布置成具有与用于输出源分量信号的另一个信号输出单元的输出方向不同的输出方向，从而可以向收听者提供其环境声音被增强的音频信号。

3. 发明申请

US20100241438A1 METHOD AND AN APPARATUS OF DECODING AN AUDIO SIGNAL 有权
标题翻译：解码音频信号的方法和装置
公开(公告)号：US20100241438A1
公开(公告)日：2010-09-23
申请号：US12676848
申请日：2008-09-08
申请人： Hyen-O Oh , Myung Hoon Lee , Yang Won Jung , Christof Faller
发明人： Hyen-O Oh , Myung Hoon Lee , Yang Won Jung , Christof Faller
IPC分类号： G10L19/00
CPC分类号： G10L21/0272 , G10L19/008 , G10L21/00
摘要： A method of decoding an audio signal is disclosed, The present invention includes the steps of receiving the audio signal having a plurality of channel signals including an ambient component signal and a source component signal, extracting the ambient component signal and the source component signal of each of the channels based on correlation between the channel signals, modifying the ambient component signal using surround effect information, and generating the audio signal including a plurality of channels using the modified ambient component signal and the source component signal. Accordingly, in an apparatus for decoding an audio signal and method thereof according to the present invention, an ambient component signal is extracted and modified based on correlation and the modified ambient and source component signals are outputted using different signal output units, respectively. Therefore, the present invention enhances a stereo effect of the audio signal. And, a signal output unit for outputting a ambient component signal is arranged to have an output direction different from that of another signal output unit for outputting a source component signal, whereby a listener can be provided with an audio signal of which ambient sound is enhanced.
摘要翻译：公开了一种解码音频信号的方法，本发明包括以下步骤：接收具有多个信道信号的音频信号，包括环境分量信号和源分量信号，提取每个信号的环境分量信号和源分量信号基于信道信号之间的相关性，使用环绕效果信息修改环境分量信号，以及使用修改的环境分量信号和源分量信号来生成包括多个信道的音频信号。因此，在根据本发明的用于解码音频信号的装置及其方法中，基于相关性提取和修改环境分量信号，并且分别使用不同的信号输出单元输出修改的环境和源分量信号。因此，本发明增强了音频信号的立体效果。并且，用于输出环境分量信号的信号输出单元被布置成具有与用于输出源分量信号的另一信号输出单元的输出方向不同的输出方向，从而可以向收听者提供其环境声音被增强的音频信号。

4. 发明授权

US08275154B2 Apparatus for processing an audio signal and method thereof 有权
标题翻译：用于处理音频信号的装置及其方法
公开(公告)号：US08275154B2
公开(公告)日：2012-09-25
申请号：US12511669
申请日：2009-07-29
申请人： Jong Ha Moon , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung , Alexis Favrot , Christof Faller
发明人： Jong Ha Moon , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung , Alexis Favrot , Christof Faller
IPC分类号： H03G3/00
CPC分类号： H03G9/025 , H03G7/007 , H03G9/005
摘要： 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, by an audio processing apparatus, a signal, and feedback information estimated based on a normalizing gain; generating a noise estimation based on the signal; computing a gain filter for noise canceling, based on the noise estimation and the signal; and, obtaining a restricted gain filter by applying the feedback information to the gain filter.
摘要翻译：公开了一种用于处理音频信号的装置及其方法，通过该装置可以将音频信号的局部动态范围自适应地归一化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基于标准化增益估计的信号和反馈信息; 基于该信号生成噪声估计; 基于噪声估计和信号计算噪声消除的增益滤波器; 并且通过将所述反馈信息应用于所述增益滤波器来获得受限增益滤波器。

5. 发明申请

US20100061566A1 APPARATUS FOR PROCESSING AN AUDIO SIGNAL AND METHOD THEREOF 有权
标题翻译：用于处理音频信号的装置及其方法
公开(公告)号：US20100061566A1
公开(公告)日：2010-03-11
申请号：US12511589
申请日：2009-07-29
申请人： Jong Ha Moon , Hyen O. Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung , Alexis Favrot , Christof Faller
发明人： Jong Ha Moon , Hyen O. Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung , Alexis Favrot , Christof Faller
IPC分类号： G10K11/16 , H03G3/00
CPC分类号： H03G9/025 , H03G7/007 , H03G9/005
摘要： 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.
摘要翻译：公开了一种用于处理音频信号的装置及其方法，通过该装置可以将音频信号的局部动态范围自适应地归一化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; 基于长期权力产生缓慢的收益; 基于短期电力产生快速增长; 通过组合慢增益和快速增益获得最终增益; 并使用最终增益修改信号。

6. 发明申请

US20100027812A1 METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL 有权
标题翻译：用于处理音频信号的方法和装置
公开(公告)号：US20100027812A1
公开(公告)日：2010-02-04
申请号：US12511581
申请日：2009-07-29
申请人： Jong Ha Moon , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung
发明人： Jong Ha Moon , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung
IPC分类号： H03G3/00
CPC分类号： H03G3/32 , H03G7/007 , H03G9/005
摘要： An apparatus for controlling a volume of an audio signal and method thereof are disclosed, by which a volume of an input signal can be controlled by using a non-linear gain curve and a target volume of the input signal. The present invention includes storing a non-linear gain curve indicating relations between volumes of an input signal and an output signal; receiving an input signal and target volume information; determining a first gain by using the volume of the input signal and the target volume information; determining a second gain from one of a) the volume of the input signal and the target volume information or b) the first gain, by using the non-linear gain curve; and adjusting the volume of the input signal by applying the second gain to the input signal, wherein the non-linear gain curve is generated by using non-linearity information. A volume of an input signal of this invention is controlled using a non-linear gain curve indicating a relation between a volume of an input signal and a volume of an output signal. Therefore, the present invention is able to reduce or expand a dynamic range of an output volume.
摘要翻译：公开了一种用于控制音频信号音量的装置及其方法，通过该装置可以通过使用非线性增益曲线和输入信号的目标音量来控制输入信号的音量。本发明包括存储指示输入信号和输出信号的音量之间的关系的非线性增益曲线; 接收输入信号和目标音量信息; 通过使用输入信号的音量和目标音量信息来确定第一增益; 通过使用非线性增益曲线从a）输入信号的体积和目标体积信息中的一个确定第二增益，或b）第一增益; 以及通过对输入信号施加第二增益来调整输入信号的音量，其中通过使用非线性信息产生非线性增益曲线。使用指示输入信号的音量与输出信号的音量之间的关系的非线性增益曲线来控制本发明的输入信号的音量。因此，本发明能够减小或扩大输出音量的动态范围。

7. 发明授权

US08284959B2 Method and an apparatus for processing an audio signal 有权
标题翻译：用于处理音频信号的方法和装置
公开(公告)号：US08284959B2
公开(公告)日：2012-10-09
申请号：US12511581
申请日：2009-07-29
申请人： Jong Ha Moon , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung
发明人： Jong Ha Moon , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung
IPC分类号： H03G7/00
CPC分类号： H03G3/32 , H03G7/007 , H03G9/005
摘要： An apparatus for controlling a volume of an audio signal and method thereof are disclosed, by which a volume of an input signal can be controlled by using a non-linear gain curve and a target volume of the input signal. The present invention includes storing a non-linear gain curve indicating relations between volumes of an input signal and an output signal; receiving an input signal and target volume information; determining a first gain by using the volume of the input signal and the target volume information; determining a second gain from one of a) the volume of the input signal and the target volume information or b) the first gain, by using the non-linear gain curve; and adjusting the volume of the input signal by applying the second gain to the input signal, wherein the non-linear gain curve is generated by using non-linearity information.A volume of an input signal of this invention is controlled using a non-linear gain curve indicating a relation between a volume of an input signal and a volume of an output signal. Therefore, the present invention is able to reduce or expand a dynamic range of an output volume.
摘要翻译：公开了一种用于控制音频信号音量的装置及其方法，通过该装置可以通过使用非线性增益曲线和输入信号的目标音量来控制输入信号的音量。本发明包括存储指示输入信号和输出信号的音量之间的关系的非线性增益曲线; 接收输入信号和目标音量信息; 通过使用输入信号的音量和目标音量信息来确定第一增益; 通过使用非线性增益曲线从a）输入信号的体积和目标体积信息中的一个确定第二增益，或b）第一增益; 以及通过对输入信号施加第二增益来调整输入信号的音量，其中通过使用非线性信息产生非线性增益曲线。使用指示输入信号的音量与输出信号的音量之间的关系的非线性增益曲线来控制本发明的输入信号的音量。因此，本发明能够减小或扩大输出音量的动态范围。

8. 发明申请

US20100054485A1 METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL 有权
标题翻译：用于处理音频信号的方法和装置
公开(公告)号：US20100054485A1
公开(公告)日：2010-03-04
申请号：US12511598
申请日：2009-07-29
申请人： Jong Ha MOON , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung
发明人： Jong Ha MOON , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung
IPC分类号： H04R5/04
CPC分类号： G10L21/0316 , G10L19/008 , G10L21/0232 , H04S1/00 , H04S2400/05 , H04S2400/13 , H04S2420/07
摘要： A method for processing an audio signal is disclosed. The present invention includes obtaining a plural-channel audio signal including a speech component signal and other component signals, obtaining gain of the audio signal, obtaining modification strength parameter determining the strength of the modification of the speech component signal, modifying the gain based on the modification strength parameter, and modifying the speech component signal based on the modified gain.
摘要翻译：公开了一种用于处理音频信号的方法。本发明包括获得包括语音分量信号和其他分量信号的多声道音频信号，获得音频信号的增益，获得确定语音分量信号修改强度的修改强度参数，基于修改强度参数，以及基于修改的增益修改语音分量信号。

9. 发明授权

US08396223B2 Method and an apparatus for processing an audio signal 有权
标题翻译：用于处理音频信号的方法和装置
公开(公告)号：US08396223B2
公开(公告)日：2013-03-12
申请号：US12511770
申请日：2009-07-29
申请人： Jong Ha Moon , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung
发明人： Jong Ha Moon , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung
IPC分类号： H04R5/00
CPC分类号： G10L21/0316 , G10L19/008 , G10L21/0232 , H04S1/00 , H04S2400/05 , H04S2400/13 , H04S2420/07
摘要： A method for processing an audio signal is disclosed. The present invention includes obtaining a stereophonic audio signal including a speech component signal and other component signals, obtaining gain values for each channel of the audio signal, determining whether the audio signal is an inverse-phase mono signal including left and right channel whose phase is inverted, inverting a phase of the obtained gain value corresponding to the one channel of the audio signal when the audio signal is an inverse-phase mono signal, modifying the speech component signal based on the inverted phase of the gain value, and generating a modified audio signal including the modified speech component signal, wherein the modified audio signal is in-phase mono signal. Accordingly, a volume of a speech signal of an inverse-phase audio signal and method thereof, in which a sign of a final gain value corresponding to one channel of the audio signal is changed or a value of the final gain corresponding to one channel of the audio signal is adjusted through a process for determining whether an input signal is an inverse-phase mono signal including left and right channel whose phase is inverted.
摘要翻译：公开了一种用于处理音频信号的方法。本发明包括获得包括语音分量信号和其他分量信号的立体声音频信号，获得音频信号的每个通道的增益值，确定音频信号是否是包括左相和右声道的反相单声道信号，反相，当音频信号是反相单声道信号时，对应于音频信号的一个声道的所获得的增益值的相位反转，基于增益值的反相相位修改语音分量信号，音频信号包括经修改的语音分量信号，其中修改的音频信号是同相单声道信号。因此，反相音频信号的语音信号的音量及其方法，其中对应于音频信号的一个声道的最终增益值的符号被改变，或者对应于一个声道的最终增益的值通过用于确定输入信号是否是包括相位反相的左右声道的反相单声道信号的处理来调整音频信号。

10. 发明授权

US08374361B2 Method and an apparatus for processing an audio signal 有权
标题翻译：用于处理音频信号的方法和装置
公开(公告)号：US08374361B2
公开(公告)日：2013-02-12
申请号：US12511618
申请日：2009-07-29
申请人： Jong Ha Moon , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung
发明人： Jong Ha Moon , Hyen O Oh , Joon Il Lee , Myung Hoon Lee , Yang Won Jung
IPC分类号： H03G3/00
CPC分类号： H03G3/32 , H03G7/007 , H03G9/005
摘要： An apparatus for controlling a volume of an audio signal and method thereof are disclosed, by which a volume of an input signal can be controlled by using a non-linear gain curve and a target volume of the input signal. The present invention includes receiving an input signal and reference information controlling a volume of the input signal; and adjusting a volume of the input signal with the reference information, wherein the reference information comprises at least one of metadata indicating characteristics of the input signal, output environment information indicating characteristics of an environment in proximity to the apparatus and stored reference information being transmitted from memory.Therefore, the present invention is able to control a volume of an input signal adaptively by using reference information, for example metadata, outside environment information and stored reference information.
摘要翻译：公开了一种用于控制音频信号音量的装置及其方法，通过该装置可以通过使用非线性增益曲线和输入信号的目标音量来控制输入信号的音量。本发明包括接收输入信号和控制输入信号音量的参考信息; 以及使用所述参考信息调整所述输入信号的音量，其中所述参考信息包括指示所述输入信号的特性的元数据中的至少一个，指示所述设备附近的环境的特征的输出环境信息以及从所述设备发送的所存储的参考信息记忆。因此，本发明能够通过使用参考信息（例如元数据，外部环境信息和存储的参考信息）自适应地控制输入信号的音量。

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