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1. 发明授权

US09070364B2 Method and apparatus for processing audio signals 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：US09070364B2
公开(公告)日：2015-06-30
申请号：US12994425
申请日：2009-05-25
申请人： Hyen-O Oh , Chang Heon Lee , Jeongook Song , Yang Won Jung , Hong Goo Kang
发明人： Hyen-O Oh , Chang Heon Lee , Jeongook Song , Yang Won Jung , Hong Goo Kang
IPC分类号： G10L21/00 , G10L19/08
CPC分类号： G10L19/08
摘要： An audio signal processing method is disclosed. The audio signal processing method includes receiving a residual and long term prediction information, performing inverse frequency mapping with respect to the residual to generate a synthesized residual, and performing long term synthesis based on the synthesized residual and the long term prediction information to generate a synthesized audio signal of a current frame, wherein the long term prediction information comprises a final prediction gain and a final pitch lag, the final pitch lag has a range starting with 0, and the long term synthesis is performed based on a synthesized audio signal of a frame comprising a preceding frame.
摘要翻译：公开了一种音频信号处理方法。音频信号处理方法包括接收残留和长期预测信息，对残差进行逆频率映射以产生合成残差，并且基于合成残差和长期预测信息执行长期合成以产生合成的音频信号，其中所述长期预测信息包括最终预测增益和最终音调滞后，所述最终音调滞后具有从0开始的范围，并且所述长期合成基于合成音频信号帧包括前一帧。

2. 发明申请

US20110153335A1 METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNALS 有权
标题翻译：处理音频信号的方法和装置
公开(公告)号：US20110153335A1
公开(公告)日：2011-06-23
申请号：US12994425
申请日：2009-05-25
申请人： Hyen-O Oh , Chang Heon Lee , Jeongook Song , Yang Won Jung , Hong Goo Kang
发明人： Hyen-O Oh , Chang Heon Lee , Jeongook Song , Yang Won Jung , Hong Goo Kang
IPC分类号： G10L19/00
CPC分类号： G10L19/08
摘要： An audio signal processing method is disclosed. The audio signal processing method includes receiving a residual and long term prediction information, performing inverse frequency mapping with respect to the residual to generate a synthesized residual, and performing long term synthesis based on the synthesized residual and the long term prediction information to generate a synthesized audio signal of a current frame, wherein the long term prediction information comprises a final prediction gain and a final pitch lag, the final pitch lag has a range starting with 0, and the long term synthesis is performed based on a synthesized audio signal of a frame comprising a preceding frame.
摘要翻译：公开了一种音频信号处理方法。音频信号处理方法包括接收残留和长期预测信息，对残差进行逆频率映射以产生合成残差，并且基于合成残差和长期预测信息执行长期合成以产生合成的音频信号，其中所述长期预测信息包括最终预测增益和最终音调滞后，所述最终音调滞后具有从0开始的范围，并且所述长期合成基于合成音频信号帧包括前一帧。

3. 发明授权

US08972270B2 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：US08972270B2
公开(公告)日：2015-03-03
申请号：US12993773
申请日：2009-05-25
申请人： Hyen-O Oh , Chang Heon Lee , Jeongook Song , Yang Won Jung , Hong Goo Kang
发明人： Hyen-O Oh , Chang Heon Lee , Jeongook Song , Yang Won Jung , Hong Goo Kang
IPC分类号： G10L19/00 , G10L19/032
CPC分类号： G10L19/032
摘要： A method for processing an audio signal is disclosed. The method for processing an audio signal includes frequency-transforming an audio signal to generate a frequency-spectrum, deciding a weighting per band corresponding to energy per band using the frequency spectrum, receiving a masking threshold based on a psychoacoustic model, applying the weighting to the masking threshold to generate a modified masking threshold, and quantizing the audio signal using the modified masking threshold.
摘要翻译：公开了一种用于处理音频信号的方法。用于处理音频信号的方法包括对音频信号进行频率变换以产生频谱，使用频谱确定与每频带能量相对应的频带的加权，基于心理声学模型接收掩蔽阈值，将加权应用于掩蔽阈值以产生修改的掩蔽阈值，以及使用修改的掩蔽阈值量化音频信号。

4. 发明申请

US20110075855A1 METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNALS 有权
标题翻译：处理音频信号的方法和装置
公开(公告)号：US20110075855A1
公开(公告)日：2011-03-31
申请号：US12993773
申请日：2009-05-25
申请人： Hyen-O Oh , Chang Heon Lee , Jeongook Song , Yang Won Jung , Hong Goo Kang
发明人： Hyen-O Oh , Chang Heon Lee , Jeongook Song , Yang Won Jung , Hong Goo Kang
IPC分类号： H04R3/02 , G10L21/02
CPC分类号： G10L19/032
摘要： A method for processing an audio signal is disclosed. The method for processing an audio signal includes frequency-transforming an audio signal to generate a frequency-spectrum, deciding a weighting per band corresponding to energy per band using the frequency spectrum, receiving a masking threshold based on a psychoacoustic model, applying the weighting to the masking threshold to generate a modified masking threshold, and quantizing the audio signal using the modified masking threshold.
摘要翻译：公开了一种用于处理音频信号的方法。用于处理音频信号的方法包括对音频信号进行频率变换以产生频谱，使用频谱确定与每频带能量相对应的频带的加权，基于心理声学模型接收掩蔽阈值，将加权应用于掩蔽阈值以产生修改的掩蔽阈值，以及使用修改的掩蔽阈值量化音频信号。

5. 发明授权

US08930199B2 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：US08930199B2
公开(公告)日：2015-01-06
申请号：US13391992
申请日：2010-09-17
申请人： Hyen-O Oh , Chang Heon Lee , Hong Goo Kang , Jeongook Song
发明人： Hyen-O Oh , Chang Heon Lee , Hong Goo Kang , Jeongook Song
IPC分类号： G10L19/04 , G10L19/00 , G10L19/18 , G10L19/022 , G10L19/16 , G11B20/00 , G11B20/10
CPC分类号： G10L19/00 , G10L19/022 , G10L19/04 , G10L19/167 , G10L19/18 , G11B20/00007 , G11B2020/00028 , G11B2020/10546
摘要： A method of processing an audio signal is disclosed. The present invention includes receiving, by an audio processing apparatus, coding identification information indicating whether to apply a first coding scheme or a second coding scheme to a current frame; when the coding identification information indicates that the second coding scheme is applied to the current frame, receiving window type information indicating a particular window for the current frame, from among a plurality of windows; identifying that a current window is a long stop window based on the window type information, wherein the long stop window is followed by only long window of a following frame, wherein the long stop window includes a gentle long stop window and a steep long stop window; and, when the first coding scheme is applied to a previous frame, applying the gentle long stop window to the current frame, wherein: the gentle long stop window comprise an ascending line with first slope, the steep long stop window comprise an ascending line with second slope, and, the first slope is gentler than the second slope.
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指示是否对当前帧应用第一编码方案或第二编码方案的编码标识信息; 当编码识别信息指示第二编码方案被应用于当前帧时，从多个窗口中接收指示当前帧的特定窗口的窗口类型信息; 基于所述窗口类型信息识别当前窗口是长时间停止窗口，其中所述长停止窗口后面仅是后续框架的长窗口，其中所述长停止窗口包括平缓的长停止窗口和陡峭的长停止窗口 ; 并且当将第一编码方案应用于先前帧时，将柔和的长时间窗口应用于当前帧，其中：平缓的长停止窗口包括具有第一斜率的上行线，陡峭的长停止窗口包括具有第二斜坡，第一斜坡比第二斜坡慢。

6. 发明申请

US20120239408A1 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：US20120239408A1
公开(公告)日：2012-09-20
申请号：US13391992
申请日：2010-09-17
申请人： Hyen-O Oh , Chang Heon Lee , Hong Goo Kang , Jeongook Song
发明人： Hyen-O Oh , Chang Heon Lee , Hong Goo Kang , Jeongook Song
IPC分类号： G10L19/04
CPC分类号： G10L19/00 , G10L19/022 , G10L19/04 , G10L19/167 , G10L19/18 , G11B20/00007 , G11B2020/00028 , G11B2020/10546
摘要： A method of processing an audio signal is disclosed. The present invention includes receiving, by an audio processing apparatus, coding identification information indicating whether to apply a first coding scheme or a second coding scheme to a current frame; when the coding identification information indicates that the second coding scheme is applied to the current frame, receiving window type information indicating a particular window for the current frame, from among a plurality of windows; identifying that a current window is a long stop window based on the window type information, wherein the long stop window is followed by only long window of a following frame, wherein the long stop window includes a gentle long stop window and a steep long stop window; and, when the first coding scheme is applied to a previous frame, applying the gentle long stop window to the current frame, wherein: the gentle long stop window comprise an ascending line with first slope, the steep long stop window comprise an ascending line with second slope, and, the first slope is gentler than the second slope.
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指示是否对当前帧应用第一编码方案或第二编码方案的编码标识信息; 当编码识别信息指示第二编码方案被应用于当前帧时，从多个窗口中接收指示当前帧的特定窗口的窗口类型信息; 基于所述窗口类型信息识别当前窗口是长时间停止窗口，其中所述长停止窗口后面仅是后续框架的长窗口，其中所述长停止窗口包括平缓的长停止窗口和陡峭的长停止窗口 ; 并且当将第一编码方案应用于先前帧时，将柔和的长时间窗口应用于当前帧，其中：平缓的长停止窗口包括具有第一斜率的上行线，陡峭的长停止窗口包括具有第二斜坡，第一斜坡比第二斜坡慢。

7. 发明授权

US08781843B2 Method and an apparatus for processing speech, audio, and speech/audio signal using mode information 有权
标题翻译：使用模式信息处理语音，音频和语音/音频信号的方法和装置
公开(公告)号：US08781843B2
公开(公告)日：2014-07-15
申请号：US12738046
申请日：2008-10-15
申请人： Hyen-O Oh , Hong Goo Kang , Chang Heon Lee , Sang Wook Shin , Yang Won Jung
发明人： Hyen-O Oh , Hong Goo Kang , Chang Heon Lee , Sang Wook Shin , Yang Won Jung
IPC分类号： G10L19/00 , G10L19/14
CPC分类号： G10L19/20
摘要： A method of processing a signal, which includes receiving at least one of a first signal and a second signal, receiving mode information, and decoding the at least one of the first signal and the second signal using at least one of a first coding scheme and a second coding scheme according to the mode information. Further, the mode information is information for indicating that a prescribed mode corresponds to which one of at least three modes.
摘要翻译：一种处理信号的方法，包括接收第一信号和第二信号中的至少一个，接收模式信息，以及使用第一编码方案和第一编码方案中的至少一个解码第一信号和第二信号中的至少一个，根据模式信息的第二编码方案。此外，模式信息是用于指示规定模式对应于至少三种模式中的哪一种的信息。

8. 发明授权

US08566107B2 Multi-mode method and an apparatus for processing a signal 有权
标题翻译：多模式方法和处理信号的装置
公开(公告)号：US08566107B2
公开(公告)日：2013-10-22
申请号：US12738064
申请日：2008-10-15
申请人： Hyen-O Oh , Hong Goo Kang , Chang Heon Lee , Sang Wook Shin , Yang Won Jung
发明人： Hyen-O Oh , Hong Goo Kang , Chang Heon Lee , Sang Wook Shin , Yang Won Jung
IPC分类号： G06F17/00 , G10L19/00 , G10L19/02 , G10L21/00
CPC分类号： G10L19/20
摘要： Disclosed is a method of processing a signal, which includes receiving at least one of a first signal and a second signal, receiving mode information, and decoding the at least one of the first signal and the second signal using at least one of a first coding scheme and a second coding scheme according to the mode information. The mode information is information for indicating that a prescribed mode corresponds to one of at least three modes. The method includes detecting when a restricted mode change occurs and changing at least one mode when detecting a restricted mode change.
摘要翻译：公开了一种处理信号的方法，该方法包括：接收第一信号和第二信号中的至少一个，接收模式信息，以及使用第一编码中的至少一个解码第一信号和第二信号中的至少一个信号方案和根据模式信息的第二编码方案。模式信息是用于指示规定模式对应于至少三种模式中的一种的信息。该方法包括检测何时发生限制模式，并且在检测受限模式改变时改变至少一种模式。

9. 发明授权

US07991621B2 Method and an apparatus for processing a signal 有权
标题翻译：用于处理信号的方法和装置
公开(公告)号：US07991621B2
公开(公告)日：2011-08-02
申请号：US12497375
申请日：2009-07-02
申请人： Hyen O Oh , Jeong Ook Song , Chang Heon Lee , Yang Won Jung , Hong Goo Kang
发明人： Hyen O Oh , Jeong Ook Song , Chang Heon Lee , Yang Won Jung , Hong Goo Kang
IPC分类号： G10L19/00
CPC分类号： G10L19/22 , G11B2020/00014
摘要： An apparatus for processing an encoded signal and method thereof are disclosed, by which an audio signal can be compressed and reconstructed in higher efficiency.An audio signal processing method includes the steps of identifying whether a type of an audio signal is a music using first type information, if the type of the audio signal is not the music signal, identifying whether the type of the audio signal is a speech signal or a mixed signal using second type information, and if the type of the audio signal is determined as either the speech signal or the mixed signal, reconstructing the audio signal according to a coding scheme applied per frame using coding identification information. If the type of the audio signal is the music signal, the first type information is received only. If the type of the audio signal is the speech signal or the mixed signal, both of the first type information and the second type information are received.Accordingly, various kinds of audio signals can be encoded/decoded in higher efficiency.
摘要翻译：公开了一种用于处理编码信号的装置及其方法，通过该装置可以以更高的效率对音频信号进行压缩和重构。音频信号处理方法包括以下步骤：如果音频信号的类型不是音乐信号，则识别音频信号的类型是否是使用第一类型信息的音乐，识别音频信号的类型是否是语音信号或使用第二类型信息的混合信号，并且如果音频信号的类型被确定为语音信号或混合信号，则根据使用编码识别信息的每帧应用的编码方案重建音频信号。如果音频信号的类型是音乐信号，则仅接收第一类型信息。如果音频信号的类型是语音信号或混合信号，则接收第一类型信息和第二类型信息。因此，可以更高效率地对各种音频信号进行编码/解码。

10. 发明申请

US20100070284A1 METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL 有权
标题翻译：方法和处理信号的装置
公开(公告)号：US20100070284A1
公开(公告)日：2010-03-18
申请号：US12497375
申请日：2009-07-02
申请人： Hyen O. OH , Jeong Ook Song , Chang Heon Lee , Yang Won Jung , Hong Goo Kang
发明人： Hyen O. OH , Jeong Ook Song , Chang Heon Lee , Yang Won Jung , Hong Goo Kang
IPC分类号： G10L19/00
CPC分类号： G10L19/22 , G11B2020/00014
摘要： An apparatus for processing an encoded signal and method thereof are disclosed, by which an audio signal can be compressed and reconstructed in higher efficiency.An audio signal processing method includes the steps of identifying whether a type of an audio signal is a music using first type information, if the type of the audio signal is not the music signal, identifying whether the type of the audio signal is a speech signal or a mixed signal using second type information, and if the type of the audio signal is determined as either the speech signal or the mixed signal, reconstructing the audio signal according to a coding scheme applied per frame using coding identification information. If the type of the audio signal is the music signal, the first type information is received only. If the type of the audio signal is the speech signal or the mixed signal, both of the first type information and the second type information are received.Accordingly, various kinds of audio signals can be encoded/decoded in higher efficiency.
摘要翻译：公开了一种用于处理编码信号的装置及其方法，通过该装置可以以更高的效率对音频信号进行压缩和重构。音频信号处理方法包括以下步骤：如果音频信号的类型不是音乐信号，则识别音频信号的类型是否是使用第一类型信息的音乐，识别音频信号的类型是否是语音信号或使用第二类型信息的混合信号，并且如果音频信号的类型被确定为语音信号或混合信号，则根据使用编码识别信息的每帧应用的编码方案重建音频信号。如果音频信号的类型是音乐信号，则仅接收第一类型信息。如果音频信号的类型是语音信号或混合信号，则接收第一类型信息和第二类型信息。因此，可以更高效率地对各种音频信号进行编码/解码。

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