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1. 发明申请

US20100310085A1 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：US20100310085A1
公开(公告)日：2010-12-09
申请号：US12719388
申请日：2010-03-08
申请人： Hyen-O OH , Alexis FAVROT , Christof FALLER , Myung Hoon LEE , Jong Ha MOON
发明人： Hyen-O OH , Alexis FAVROT , Christof FALLER , Myung Hoon LEE , Jong Ha MOON
IPC分类号： G10K11/16
CPC分类号： G10K11/1784 , G10K11/178 , G10L21/0208 , H03G1/02 , H03G3/001 , H03G5/165 , H03G7/002 , H03G9/005 , H03G9/025
摘要： A method of processing an audio signal is disclosed. The present invention includes receiving, by an audio processing apparatus, an input signal; estimating indicator function using a signal power of the input signal; obtaining an adapted filter using the indicator function and an equalization filter; and, generating an output signal by applying the adapted filter to the input signal.
摘要翻译：公开了一种处理音频信号的方法。本发明包括由音频处理装置接收输入信号; 使用输入信号的信号功率来估计指标函数; 使用所述指示器功能获得适配滤波器和均衡滤波器; 并且通过将适配的滤波器应用于输入信号来产生输出信号。

2. 发明申请

US20100034394A1 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：US20100034394A1
公开(公告)日：2010-02-11
申请号：US12511770
申请日：2009-07-29
申请人： Jong Ha MOON , Hyen O OH , Joon II LEE , Myung Hoon LEE , Yang Won JUNG
发明人： Jong Ha MOON , Hyen O OH , Joon II LEE , Myung Hoon LEE , Yang Won JUNG
IPC分类号： H04R5/00 , G10L11/00
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。

3. 发明申请

US20100027811A1 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：US20100027811A1
公开(公告)日：2010-02-04
申请号：US12511618
申请日：2009-07-29
申请人： Jong Ha MOON , Hyen O OH , Joon II LEE , Myung Hoon LEE , Yang Won JUNG
发明人： Jong Ha MOON , Hyen O OH , Joon II 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。

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. 发明授权

US08532803B2 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：US08532803B2
公开(公告)日：2013-09-10
申请号：US12719254
申请日：2010-03-08
申请人： Hyen-O Oh , Jong Ha Moon
发明人： Hyen-O Oh , Jong Ha Moon
IPC分类号： G06F17/00
CPC分类号： H04R3/04
摘要： A method of processing an audio signal is disclosed. The present invention includes receiving, by an audio processing apparatus, an input signal; extracting a low frequency signal, a mid frequency signal and a high frequency signal from the input signal; obtaining at least one of a low-band gain and a harmonic control factor, based on a loudspeaker characteristic; obtaining mid-band gain based on the loudspeaker characteristic; generating a modified low frequency signal by applying the low-band gain to the low frequency signal; when the harmonic control factor is obtained, generating a harmonic signal from the modified low frequency signal using the harmonic control factor, generating a modified mid frequency signal by applying the mid-band gain to the mid frequency signal; and, generating a mixed signal by mixing the modified mid frequency signal, the high frequency signal, and at least one of the modified low frequency signal and the harmonic signal.
摘要翻译：公开了一种处理音频信号的方法。本发明包括由音频处理装置接收输入信号; 从输入信号中提取低频信号，中频信号和高频信号; 基于扬声器特性获得低频带增益和谐波控制因数中的至少一个; 基于扬声器特性获得中频带增益; 通过对低频信号施加低频带增益来产生修正的低频信号; 当获得谐波控制因子时，使用谐波控制因子从修正的低频信号产生谐波信号，通过将中频带增益应用于中频信号来产生修改的中频信号; 并且通过混合修改的中频信号，高频信号和修改的低频信号和谐波信号中的至少一个来产生混合信号。

7. 发明授权

US08200730B2 Computing circuits and method for running an MPEG-2 AAC or MPEG-4 AAC audio decoding algorithm on programmable processors 有权
标题翻译：用于在可编程处理器上运行MPEG-2 AAC或MPEG-4AAC音频解码算法的计算电路和方法
公开(公告)号：US08200730B2
公开(公告)日：2012-06-12
申请号：US12880720
申请日：2010-09-13
申请人： Jong Hoon Oh , Myung Hoon Sunwoo , Jong Ha Moon
发明人： Jong Hoon Oh , Myung Hoon Sunwoo , Jong Ha Moon
IPC分类号： G06F17/14
CPC分类号： G10L19/16
摘要： The present invention relates to computing circuits and method for running an MPEG-2 AAC or MPEG-4 AAC algorithm efficiently, which is used as an audio compression algorithm in multi-channel high-quality audio systems, on programmable processors. In accordance with the present invention, the IMDCT process which takes large part of the amount of the operations in implementation of an MPEG-2/4 AAC algorithm can be performed in efficient. In addition, while the architecture of the existing digital signal processor is still used, the performance can be improved by means of the addition of the architecture of the address generator, Huffman decoder, and bit processing architecture. After all, to design and change the programmable processor is facilitated.
摘要翻译：本发明涉及用于在可编程处理器上用作多声道高质量音频系统中的音频压缩算法的有效运行MPEG-2AAC或MPEG-4AAC算法的计算电路和方法。根据本发明，可以有效地执行在实施MPEG-2 / 4AAC算法中占用大量部分操作的IMDCT处理。另外，虽然现有的数字信号处理器的架构仍然被使用，但是通过添加地址生成器，霍夫曼解码器和位处理架构的架构，可以提高性能。毕竟，设计和改变可编程处理器是方便的。

8. 发明申请

US20100296669A1 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：US20100296669A1
公开(公告)日：2010-11-25
申请号：US12719489
申请日：2010-03-08
申请人： Hyen-O Oh , Alexis Favrot , Christof Faller , Myung Hoon Lee , Jong Ha Moon
发明人： Hyen-O Oh , Alexis Favrot , Christof Faller , Myung Hoon Lee , Jong Ha Moon
IPC分类号： H03G3/02
CPC分类号： G10K11/1784 , G10K11/178 , G10L21/0208 , H03G1/02 , H03G3/001 , H03G5/165 , H03G7/002 , H03G9/005 , H03G9/025
摘要： A method of processing an audio signal is disclosed. The present invention includes receiving, by an audio processing apparatus, an input signal; receiving user gain input; generating a linear gain factor and a non-linear gain factor using the user gain input; modifying the non-linear gain factor using absolute threshold of hearing and power of the input signal to generate a modified non-linear gain factor; and, applying the linear gain factor and the modified non-linear gain factor to the audio signal.
摘要翻译：公开了一种处理音频信号的方法。本发明包括由音频处理装置接收输入信号; 接收用户增益输入; 使用用户增益输入产生线性增益因子和非线性增益因子; 使用输入信号的听觉和功率的绝对阈值来修改非线性增益因子以产生修改的非线性增益因子; 以及将线性增益因子和修改的非线性增益因子应用于音频信号。

9. 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。

10. 发明授权

US08666081B2 Apparatus for processing a media signal and method thereof 有权
标题翻译：用于处理媒体信号的装置及其方法
公开(公告)号：US08666081B2
公开(公告)日：2014-03-04
申请号：US12853048
申请日：2010-08-09
申请人： Hyen-O Oh , Jong Ha Moon , Myung Hoon Lee
发明人： Hyen-O Oh , Jong Ha Moon , Myung Hoon Lee
IPC分类号： H04R5/00
CPC分类号： H04S5/00 , H04R27/00 , H04S1/00 , H04S7/305 , H04S2400/05
摘要： A method for processing a media signal, comprising: receiving, by an audio processing apparatus, an audio signal including a first channel signal and a second channel signal; estimating center sound by applying a band-pass filter to the first channel signal and the second channel signal; obtaining a first ambient sound by subtracting the center sound from the first channel signal; obtaining a second ambient sound by subtracting the center sound from the second channel signal; applying at least one of delay and reverberation filter to at least one of the first ambient sound and the second ambient sound to generate a processed ambient sound; and, generating pseudo surround signal using the center sound and the processed ambient sound is provided.
摘要翻译：一种用于处理媒体信号的方法，包括：由音频处理设备接收包括第一信道信号和第二信道信号的音频信号; 通过对第一通道信号和第二通道信号施加带通滤波器来估计中心声音; 通过从第一信道信号中减去中心声音来获得第一环境声音; 通过从第二信道信号中减去中心声音来获得第二环境声音; 向所述第一环境声音和所述第二环境声音中的至少一个施加延迟和混响滤波器中的至少一个，以产生经处理的环境声音; 并且提供使用中心声音和经处理的环境声音产生伪环绕信号。

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