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1. 发明申请

US20070140498A1 Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener 有权
标题翻译：基于扬声器和收听者的位置提供主动音频矩阵解码的方法和装置
公开(公告)号：US20070140498A1
公开(公告)日：2007-06-21
申请号：US11641080
申请日：2006-12-19
申请人： Han-gil Moon , Manish Arora
发明人： Han-gil Moon , Manish Arora
IPC分类号： H04R5/00
CPC分类号： H04S5/005
摘要： An active audio matrix decoding method and apparatus to generate multi-channel audio signals from a stereo channel audio signal. The method includes extracting characteristics of a plurality of speaker signals and angles of each of a plurality of multi-channel speakers from arbitrary signals reproduced by the multi-channel speakers, decoding a stereo signal into a plurality of multi-channel signals and correcting the decoded multi-channel signals based on the extracted characteristics of each of the plurality of speaker signals, extracting a power vector of each of the decoded multi-channel signals by multiplying a magnitude of each of the decoded multi-channel signals by an angle of each multi-channel speaker and extracting a vector of a virtual sound source existing between a plurality of channels based on the power vector of each of the decoded multi-channel signals, extracting a vector value of a dominant sound image by linearly combining the extracted vectors of the virtual sound sources and normalizing a position of each multi-channel speaker with respect to the vector value of the dominant sound image to obtain a normalized position value, and distributing a gain value to the position of each multi-channel speaker by comparing a magnitude of a combined decoded multi-channel signal with the magnitude of each of the decoded multi-channel signals.
摘要翻译：一种从立体声声道音频信号产生多声道音频信号的有源音频矩阵解码方法和装置。该方法包括从由多声道扬声器再现的任意信号中提取多个扬声器信号的特性和多个多声道扬声器中的每一个的角度，将立体声信号解码为多个多声道信号并校正解码的基于所提取的多个扬声器信号中的每一个的特征的多声道信号，通过将每个解码的多声道信号的幅度乘以每个多声道信号的角度来提取每个解码的多声道信号的功率矢量基于每个解码的多声道信号的功率矢量提取存在于多个声道之间的虚拟声源的矢量，通过线性地组合所提取的矢量的提取的矢量，提取主声音图像的向量值，虚拟声源和相对于主要声音图像的矢量值对每个多声道扬声器的位置进行归一化通过将组合解码的多通道信号的大小与解码的多通道信号中的每一个的大小进行比较，获得归一化位置值，并将增益值分配给每个多声道扬声器的位置。

2. 发明授权

US08111830B2 Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener 有权
标题翻译：基于扬声器和收听者的位置提供主动音频矩阵解码的方法和装置
公开(公告)号：US08111830B2
公开(公告)日：2012-02-07
申请号：US11641080
申请日：2006-12-19
申请人： Han-gil Moon , Manish Arora
发明人： Han-gil Moon , Manish Arora
IPC分类号： H04R5/00
CPC分类号： H04S5/005
摘要： An active audio matrix decoding method and apparatus to generate multi-channel audio signals from a stereo channel audio signal. The method includes extracting characteristics of a plurality of speaker signals and angles of each of a plurality of multi-channel speakers from arbitrary signals reproduced by the multi-channel speakers, decoding a stereo signal into a plurality of multi-channel signals and correcting the decoded multi-channel signals based on the extracted characteristics of each of the plurality of speaker signals, extracting a power vector of each of the decoded multi-channel signals by multiplying a magnitude of each of the decoded multi-channel signals by an angle of each multi-channel speaker and extracting a vector of a virtual sound source existing between a plurality of channels based on the power vector of each of the decoded multi-channel signals, extracting a vector value of a dominant sound image by linearly combining the extracted vectors of the virtual sound sources and normalizing a position of each multi-channel speaker with respect to the vector value of the dominant sound image to obtain a normalized position value, and distributing a gain value to the position of each multi-channel speaker by comparing a magnitude of a combined decoded multi-channel signal with the magnitude of each of the decoded multi-channel signals.
摘要翻译：一种从立体声声道音频信号产生多声道音频信号的有源音频矩阵解码方法和装置。该方法包括从由多声道扬声器再现的任意信号中提取多个扬声器信号的特性和多个多声道扬声器中的每一个的角度，将立体声信号解码为多个多声道信号并校正解码的基于所提取的多个扬声器信号中的每一个的特征的多声道信号，通过将每个解码的多声道信号的幅度乘以每个多声道信号的角度来提取每个解码的多声道信号的功率矢量基于每个解码的多声道信号的功率矢量提取存在于多个声道之间的虚拟声源的矢量，通过线性地组合所提取的矢量的提取的矢量，提取主声音图像的向量值，虚拟声源和相对于主要声音图像的矢量值对每个多声道扬声器的位置进行归一化通过将组合解码的多通道信号的大小与解码的多通道信号中的每一个的大小进行比较，获得归一化位置值，并将增益值分配给每个多声道扬声器的位置。

3. 发明授权

US08098835B2 Method and apparatus to enhance low frequency component of audio signal by calculating fundamental frequency of audio signal 有权
标题翻译：通过计算音频信号的基频来增强音频信号的低频分量的方法和装置
公开(公告)号：US08098835B2
公开(公告)日：2012-01-17
申请号：US11697382
申请日：2007-04-06
申请人： Han-gil Moon , Manish Arora
发明人： Han-gil Moon , Manish Arora
IPC分类号： H03G3/00 , H03G5/00
CPC分类号： H04S1/002
摘要： A method and apparatus to enhance a low frequency component of an audio signal, by computing a fundamental frequency of an input audio signal using the input audio signal and a delayed audio signal obtained by delaying the input audio signal by a predetermined amount of time, generating harmonic signals from the input audio signal based on the fundamental frequency, and combining the harmonic signals and the input audio signal. The low frequency component of the audio signal can be enhanced using human characteristics of perception without physically boosting the energy of the low frequency component.
摘要翻译：一种通过使用输入音频信号计算输入音频信号的基频和通过将输入音频信号延迟预定时间量而获得的延迟音频信号来增强音频信号的低频分量的方法和装置，产生基于基频输入音频信号的谐波信号，并组合谐波信号和输入音频信号。音频信号的低频分量可以使用感知的人类特性来增强，而无需物理地提升低频分量的能量。

4. 发明申请

US20080118084A1 METHOD AND APPARATUS TO ENHANCE LOW FREQUENCY COMPONENT OF AUDIO SIGNAL BY CALCULATING FUNDAMENTAL FREQUENCY OF AUDIO SIGNAL 有权
标题翻译：通过计算音频信号的基本频率来提高音频信号的低频分量的方法和装置
公开(公告)号：US20080118084A1
公开(公告)日：2008-05-22
申请号：US11697382
申请日：2007-04-06
申请人： Han-gil Moon , Manish Arora
发明人： Han-gil Moon , Manish Arora
IPC分类号： H03G5/00
CPC分类号： H04S1/002
摘要： A method and apparatus to enhance a low frequency component of an audio signal, by computing a fundamental frequency of an input audio signal using the input audio signal and a delayed audio signal obtained by delaying the input audio signal by a predetermined amount of time, generating harmonic signals from the input audio signal based on the fundamental frequency, and combining the harmonic signals and the input audio signal. The low frequency component of the audio signal can be enhanced using human characteristics of perception without physically boosting the energy of the low frequency component.
摘要翻译：一种通过使用输入音频信号计算输入音频信号的基频和通过将输入音频信号延迟预定时间量而获得的延迟音频信号来增强音频信号的低频分量的方法和装置，产生基于基频输入音频信号的谐波信号，并组合谐波信号和输入音频信号。音频信号的低频分量可以使用感知的人类特性来增强，而无需物理地提升低频分量的能量。

5. 发明申请

US20070140497A1 METHOD AND APPARATUS TO PROVIDE ACTIVE AUDIO MATRIX DECODING 审中-公开
标题翻译：提供有源音频矩阵解码的方法和装置
公开(公告)号：US20070140497A1
公开(公告)日：2007-06-21
申请号：US11535234
申请日：2006-09-26
申请人： Han-gil Moon , Manish Arora
发明人： Han-gil Moon , Manish Arora
IPC分类号： H04R5/00
CPC分类号： H04S5/005
摘要： An active audio matrix decoding method and apparatus to generate multi-channel audio signals from a stereo channel audio signal. The method includes: decoding a stereo channel audio signal into a multi-channel signal, extracting a power vector of each channel signal by multiplying a magnitude of each decoded channel signal by positions of a plurality of channel speakers, extracting a vector of a virtual sound source existing between each channel by linearly combining power vector values of each decoded channel, extracting a vector value of a dominant sound image by linear combination of the vectors of the extracted virtual sound sources and normalizing the position of each channel speaker with respect to the vector value of the dominant sound image, and distributing a gain value to each channel position by comparing the magnitude of an entire decoded channel signal with the magnitude of each channel signal.
摘要翻译：一种从立体声声道音频信号产生多声道音频信号的有源音频矩阵解码方法和装置。该方法包括：将立体声声道音频信号解码为多声道信号，通过将每个解码的声道信号的幅度乘以多个声道扬声器的位置，提取每个声道信号的功率矢量，提取虚拟声音的矢量通过线性组合每个解码信道的功率矢量值来存在每个通道之间的源，通过提取的虚拟声源的矢量的线性组合提取主要声像的矢量值，并且相对于向量标准化每个声道扬声器的位置通过将整个解码的信道信号的幅度与每个声道信号的幅度进行比较来分配增益值到每个声道位置。

6. 发明授权

US08582785B2 Method and apparatus to enhance low frequency components and medium frequency components of audio signal 有权
标题翻译：提高音频信号的低频分量和中频分量的方法和装置
公开(公告)号：US08582785B2
公开(公告)日：2013-11-12
申请号：US11761417
申请日：2007-06-12
申请人： Han-gil Moon
发明人： Han-gil Moon
IPC分类号： H03G5/00
CPC分类号： H04S7/307 , H04S1/002 , H04S3/002
摘要： A method and apparatus to enhance one or more low-frequency components and one or more medium-frequency components of an audio signal. The method includes performing filtering on the input audio signal using a plurality of band-pass filters, generating a plurality of harmonic-frequency signals using a plurality of audio signals resulting from the performing filtering operation, and mixing the plurality of harmonic-frequency signals with the input audio signal.
摘要翻译：一种用于增强音频信号的一个或多个低频分量和一个或多个中频分量的方法和装置。该方法包括使用多个带通滤波器对输入音频信号进行滤波，使用由执行滤波操作产生的多个音频信号产生多个谐波频率信号，并将多个谐波频率信号与输入音频信号。

7. 发明授权

US08447618B2 Method and apparatus for encoding and decoding residual signal 有权
标题翻译：剩余信号编码和解码的方法和装置
公开(公告)号：US08447618B2
公开(公告)日：2013-05-21
申请号：US12831353
申请日：2010-07-07
申请人： Han-gil Moon , Nam-suk Lee
发明人： Han-gil Moon , Nam-suk Lee
IPC分类号： G10L19/00
CPC分类号： G10L19/008 , G10L19/0204
摘要： A residual signal decoding method including dividing a signal into a plurality of sub-bands in a frequency domain, wherein the signal is in a residual signal and is encoded with respect to an effective residual signal exceeding a masking curve that is generated with respect to a multi-channel audio signal, transforming the frequency domain into a time domain, and restoring the signal as an effective residual signal by synthesizing signals of the domain-transformed sub-bands.
摘要翻译：一种残差信号解码方法，包括将信号划分成频域中的多个子带，其中所述信号是残差信号，并且相对于超过相对于多频道音频信号，将频域变换成时域，并通过合成域变换子带的信号将信号恢复为有效残留信号。

8. 发明授权

US08433584B2 Multi-channel audio decoding method and apparatus therefor 有权
标题翻译：多声道音频解码方法及其装置
公开(公告)号：US08433584B2
公开(公告)日：2013-04-30
申请号：US12693990
申请日：2010-01-26
申请人： Hyun-wook Kim , Jong-hoon Jeong , Han-gil Moon
发明人： Hyun-wook Kim , Jong-hoon Jeong , Han-gil Moon
IPC分类号： G10L21/00
CPC分类号： G10L19/008
摘要： Provided is a multi-channel audio decoding method and apparatus therefor, the method involving decoding filter bank coefficients of a plurality of bands from a bitstream having a predetermined format; performing frequency transformation on the decoded filter bank coefficients of the plurality of bands, with respect to each of the plurality of bands; compensating for a phase of each of the plurality of bands according to a predetermined phase compensation value, and serially band-synthesizing the frequency-transformed coefficients of each of the plurality of phase-compensated bands on a frequency domain; and decoding a multi-channel audio signal from the band-synthesized frequency-transformed coefficients.
摘要翻译：提供一种多声道音频解码方法及其装置，该方法包括从具有预定格式的比特流中解码多个频带的滤波器组系数; 对所述多个频带的解码滤波器组系数进行相对于所述多个频带中的每一个的频率变换; 根据预定的相位补偿值补偿多个频带中的每一个的相位，并且对频域上的多个相位补偿频带中的每一个的频率变换系数进行串行频带合成; 以及从频带合成的频率变换系数中解码多声道音频信号。

9. 发明授权

US08392177B2 Method and apparatus for frequency encoding, and method and apparatus for frequency decoding 有权
标题翻译：用于频率编码的方法和装置，以及用于频率解码的方法和装置
公开(公告)号：US08392177B2
公开(公告)日：2013-03-05
申请号：US12363937
申请日：2009-02-02
申请人： Nam-suk Lee , Geon-hyoung Lee , Chul-woo Lee , Jong-hoon Jeong , Han-gil Moon
发明人： Nam-suk Lee , Geon-hyoung Lee , Chul-woo Lee , Jong-hoon Jeong , Han-gil Moon
IPC分类号： G10L19/14
CPC分类号： G10L19/093
摘要： Provided are a method and apparatus for encoding the frequency of a continuation sinusoidal signal and a method and apparatus for decoding the same. In the encoding method, a continuation sinusoidal signal successive to a sinusoidal signal in a previous section is extracted from a current section; a frequency of the continuation sinusoidal signal at the boundary between the current and previous sections is changed to a first frequency, based on representative frequencies of the continuation sinusoidal signal and at least one sinusoidal signal that belongs to a section adjacent to the current section and is successive to the continuation sinusoidal signal; and the first frequency is encoded.
摘要翻译：提供一种用于对连续正弦信号的频率进行编码的方法和装置，以及用于对其进行解码的方法和装置。在编码方法中，从当前部分提取与前一部分中的正弦信号连续的连续正弦信号; 基于连续正弦信号的代表频率和属于与当前部分相邻的部分的至少一个正弦信号，在当前部分和前一部分之间的边界处的连续正弦信号的频率被改变为第一频率，并且是连续的正弦信号; 并且第一频率被编码。

10. 发明授权

US09071920B2 Binaural decoder to output spatial stereo sound and a decoding method thereof 有权
标题翻译：输出空间立体声的双耳解码器及其解码方法
公开(公告)号：US09071920B2
公开(公告)日：2015-06-30
申请号：US13588563
申请日：2012-08-17
申请人： Han-gil Moon , Sun-min Kim , In-gyu Chun
发明人： Han-gil Moon , Sun-min Kim , In-gyu Chun
IPC分类号： H04R5/00 , H04S3/00
CPC分类号： H04S7/30 , H04S1/00 , H04S3/008 , H04S2400/01 , H04S2420/01 , H04S2420/03 , H04S2420/07
摘要： A binaural decoder for an MPEG surround stream, which decodes an MPEG surround stream into a stereo 3D signal, and a decoding method thereof. The method includes dividing a compressed audio stream and head related transfer function (HRTF) data into subbands, selecting predetermined subbands of the HRTF data divided into subbands and filtering the HRTF data to obtain the selected subbands, decoding the audio stream divided into subbands into a stream of multi-channel audio data with respect to subbands according to spatial additional information, and binaural-synthesizing the HRTF data of the selected subbands with the multi-channel audio data of corresponding subbands.
摘要翻译：用于将MPEG环绕流解码为立体声3D信号的MPEG环绕流的双耳解码器及其解码方法。该方法包括将压缩音频流和头相关传输函数（HRTF）数据划分成子带，选择被分成子带的HRTF数据的预定子带，并对HRTF数据进行滤波以获得所选择的子带，将分成子带的音频流解码为根据空间附加信息相对于子带的多声道音频数据流，以及使用相应子带的多声道音频数据对所选择的子带的HRTF数据进行双耳合成。

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