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1. 发明授权

US08824700B2 Multi-input noise suppression device, multi-input noise suppression method, program thereof, and integrated circuit thereof 有权
标题翻译：多输入噪声抑制装置，多输入噪声抑制方法，程序及其集成电路
公开(公告)号：US08824700B2
公开(公告)日：2014-09-02
申请号：US13497299
申请日：2011-07-26
申请人： Takeo Kanamori , Shinichi Yuzuriha , Yutaka Banba , Yasuhiro Terada
发明人： Takeo Kanamori , Shinichi Yuzuriha , Yutaka Banba , Yasuhiro Terada
IPC分类号： H04B15/00 , G10L21/0208 , G10L21/0216
CPC分类号： G10L21/0208 , G10L2021/02165 , H04R2410/01 , H04R2410/05 , H04R2430/25
摘要： A power spectrum estimation unit (200) obtains an estimated sound power spectrum Ps(ω), based on a power spectrum P1(ω) and on a first calculated value obtained by at least multiplying a power spectrum P2(ω) by a weight coefficient A2(ω). A coefficient update unit (300) updates the weight coefficient A2(ω) and a weight coefficient A1(ω) so that a second calculated value approximates to the power spectrum P1(ω). The second calculated value is obtained by adding at least two values obtained by multiplying the power spectrum P2(ω) and the estimated target sound power spectrum Ps(ω) by the weight coefficient A2(ω) and the weight coefficient A1(ω), respectively.
摘要翻译：功率谱估计单元（200）基于功率谱P1（ω）获得估计声功率谱Ps（ω），并且通过至少将功率谱P2（ω）乘以权重系数获得的第一计算值 A2（ω）。系数更新单元（300）更新权重系数A2（ω）和加权系数A1（ω），使得第二计算值近似于功率谱P1（ω）。通过将功率谱P2（ω）和估计的目标声功率谱Ps（ω）乘以权重系数A2（ω）和权重系数A1（ω）而获得的至少两个值来获得第二计算值，分别。

2. 发明申请

US20100266139A1 SOUND COLLECTING DEVICE, SOUND COLLECTING METHOD, SOUND COLLECTING PROGRAM, AND INTEGRATED CIRCUIT 有权
标题翻译：声音收集装置，声音收集方法，声音收集程序和集成电路
公开(公告)号：US20100266139A1
公开(公告)日：2010-10-21
申请号：US12746624
申请日：2008-12-05
申请人： Shinichi Yuzuriha , Takeo Kanamori
发明人： Shinichi Yuzuriha , Takeo Kanamori
IPC分类号： H04B3/00
CPC分类号： H04N7/142 , H04M3/565 , H04M3/567 , H04M3/568 , H04R3/005 , H04R5/027 , H04S2400/11 , H04S2400/15
摘要： The present invention provides a sound collecting device capable of, even when using a freely-movable microphone, generating multichannel signals realizing sound image localization without processing using information about the current position of the microphone. The sound collecting device includes: reference microphones fixedly placed so as to correspond to the respective channels, the reference microphones collecting an arriving sound from the speaker, and outputting reference signals representing signals of the respective channels; at least one actual recording microphone placed so as to be movable, the at least one actual recording microphone collecting the arriving sound from the speaker, and outputting the collected sound as an actual recording signal; and signal generation means for generating signals of the respective channels by performing, based on the reference signals outputted by the reference microphones, predetermined calculation processing for the actual recording signal outputted by the at least one actual recording microphone.
摘要翻译：本发明提供一种能够即使使用可自由移动的麦克风也能够产生实现声像定位的多声道信号的声音采集装置，而不使用关于麦克风的当前位置的信息进行处理。声音收集装置包括：固定放置以对应于相应通道的参考麦克风，参考麦克风从扬声器收集到达的声音，并输出表示相应声道的信号的参考信号; 至少一个实际记录麦克风被放置成可移动的，所述至少一个实际记录麦克风从扬声器收集到达的声音，并将所收集的声音作为实际记录信号输出; 以及信号发生装置，用于通过根据由参考麦克风输出的参考信号执行由至少一个实际记录麦克风输出的实际记录信号的预定计算处理来产生各个信道的信号。

3. 发明授权

US08767971B2 Sound pickup apparatus and sound pickup method 有权
标题翻译：拾音设备和拾音方法
公开(公告)号：US08767971B2
公开(公告)日：2014-07-01
申请号：US13061963
申请日：2010-06-23
申请人： Shinichi Yuzuriha
发明人： Shinichi Yuzuriha
IPC分类号： H04R5/00 , H04R3/00
CPC分类号： H04N7/142 , H04M3/568 , H04N7/15 , H04N21/42203 , H04N21/4788 , H04R3/005 , H04R5/027
摘要： Provided is a sound pickup apparatus that increase the flexibility in installation of microphones, while enabling sound from a sound source to be picked up in stereo without using the information on the current positions of the microphones. The sound pickup apparatus includes a microphone (110) including 4 or more sound pickup units (110a to 110d) placed so as to have different main axis directions of directivity, the microphone being installed in a position where sound outputted from a loudspeaker can be picked up; a level calculating unit (112) configured to calculate a signal level of sound outputted from the loudspeaker for each output signal of the 4 or more sound pickup units (110a to 110d); a mixing coefficient calculating unit (113) configured to calculate mixing coefficients adjusted to the main axis directions of directivity of the 4 or more sound pickup units by using the signal level calculated by the level calculating unit; and a signal mixing unit (115) configured to generate a stereo signal by mixing output signals of the 4 or more sound pickup units by using the mixing coefficient calculated by the mixing coefficient calculating unit.
摘要翻译：提供了一种提高麦克风安装灵活性的拾音装置，同时使得来自声源的声音能够以立体声拾取，而不使用关于麦克风的当前位置的信息。声音拾取装置包括麦克风（110），该麦克风包括4个或更多个声音拾取单元（110a至110d），放置成具有不同的主轴方向指向，麦克风安装在可从扬声器输出的声音被拾取的位置向上; 电平计算单元，被配置为计算对于所述4个以上的声音拾取单元（110a〜110d）的每个输出信号从所述扬声器输出的声音的信号电平; 混合系数计算单元，被配置为通过使用由所述电平计算单元计算的信号电平来计算调整到所述4个或更多个拾音单元的方向性的主轴方向的混合系数; 以及信号混合单元，被配置为通过使用由混合系数计算单元计算的混合系数混合4个或更多个声音拾取单元的输出信号来产生立体声信号。

4. 发明申请

US20110158416A1 SOUND PICKUP APPARATUS AND SOUND PICKUP METHOD 有权
标题翻译：声音拾音器和声音拾音方法
公开(公告)号：US20110158416A1
公开(公告)日：2011-06-30
申请号：US13061963
申请日：2010-06-23
申请人： Shinichi Yuzuriha
发明人： Shinichi Yuzuriha
IPC分类号： H04R5/00 , H04R3/00
CPC分类号： H04N7/142 , H04M3/568 , H04N7/15 , H04N21/42203 , H04N21/4788 , H04R3/005 , H04R5/027
摘要： Provided is a sound pickup apparatus that increase the flexibility in installation of microphones, while enabling sound from a sound source to be picked up in stereo without using the information on the current positions of the microphones. The sound pickup apparatus includes a microphone (110) including 4 or more sound pickup units (110a to 110d) placed so as to have different main axis directions of directivity, the microphone being installed in a position where sound outputted from a loudspeaker can be picked up; a level calculating unit (112) configured to calculate a signal level of sound outputted from the loudspeaker for each output signal of the 4 or more sound pickup units (110a to 110d); a mixing coefficient calculating unit (113) configured to calculate mixing coefficients adjusted to the main axis directions of directivity of the 4 or more sound pickup units by using the signal level calculated by the level calculating unit; and a signal mixing unit (115) configured to generate a stereo signal by mixing output signals of the 4 or more sound pickup units by using the mixing coefficient calculated by the mixing coefficient calculating unit.
摘要翻译：提供了一种提高麦克风安装灵活性的拾音装置，同时使得来自声源的声音能够以立体声拾取，而不使用关于麦克风的当前位置的信息。声音拾取装置包括麦克风（110），该麦克风包括4个或更多个声音拾取单元（110a至110d），放置成具有不同的主轴方向指向，麦克风安装在可从扬声器输出的声音被拾取的位置向上; 电平计算单元，被配置为计算对于所述4个以上的声音拾取单元（110a〜110d）的每个输出信号从所述扬声器输出的声音的信号电平; 混合系数计算单元，被配置为通过使用由所述电平计算单元计算的信号电平来计算调整到所述4个或更多个拾音单元的方向性的主轴方向的混合系数; 以及信号混合单元，被配置为通过使用由混合系数计算单元计算的混合系数混合4个或更多个声音拾取单元的输出信号来产生立体声信号。

5. 发明授权

US08249269B2 Sound collecting device, sound collecting method, and collecting program, and integrated circuit 有权
标题翻译：声音采集装置，声音采集方式，声音采集程序和集成电路
公开(公告)号：US08249269B2
公开(公告)日：2012-08-21
申请号：US12746624
申请日：2008-12-05
申请人： Shinichi Yuzuriha , Takeo Kanamori
发明人： Shinichi Yuzuriha , Takeo Kanamori
IPC分类号： H04B3/00 , H04R3/00
CPC分类号： H04N7/142 , H04M3/565 , H04M3/567 , H04M3/568 , H04R3/005 , H04R5/027 , H04S2400/11 , H04S2400/15
摘要： The present invention provides a sound collecting device capable of, even when using a freely-movable microphone, generating multichannel signals realizing sound image localization without processing using information about the current position of the microphone. The sound collecting device includes: reference microphones fixedly placed so as to correspond to the respective channels, the reference microphones collecting an arriving sound from the speaker, and outputting reference signals representing signals of the respective channels; at least one actual recording microphone placed so as to be movable, the at least one actual recording microphone collecting the arriving sound from the speaker, and outputting the collected sound as an actual recording signal; and signal generation means for generating signals of the respective channels by performing, based on the reference signals outputted by the reference microphones, predetermined calculation processing for the actual recording signal outputted by the at least one actual recording microphone.
摘要翻译：本发明提供一种能够即使使用可自由移动的麦克风也能够产生实现声像定位的多声道信号的声音采集装置，而不使用关于麦克风的当前位置的信息进行处理。声音收集装置包括：固定放置以对应于相应通道的参考麦克风，参考麦克风从扬声器收集到达的声音，并输出表示相应声道的信号的参考信号; 至少一个实际记录麦克风被放置成可移动的，所述至少一个实际记录麦克风从扬声器收集到达的声音，并将所收集的声音作为实际记录信号输出; 以及信号发生装置，用于通过根据由参考麦克风输出的参考信号执行由至少一个实际记录麦克风输出的实际记录信号的预定计算处理来产生各个信道的信号。

6. 发明申请

US20120177223A1 MULTI-INPUT NOISE SUPPRESSION DEVICE, MULTI-INPUT NOISE SUPPRESSION METHOD, PROGRAM, AND INTEGRATED CIRCUIT 有权
标题翻译：多输入噪声抑制装置，多输入噪声抑制方法，程序和集成电路
公开(公告)号：US20120177223A1
公开(公告)日：2012-07-12
申请号：US13497299
申请日：2011-07-26
申请人： Takeo Kanamori , Shinichi Yuzuriha , Yutaka Banba , Yasuhiro Terada
发明人： Takeo Kanamori , Shinichi Yuzuriha , Yutaka Banba , Yasuhiro Terada
IPC分类号： H04B15/00
CPC分类号： G10L21/0208 , G10L2021/02165 , H04R2410/01 , H04R2410/05 , H04R2430/25
摘要： A power spectrum estimation unit (200) obtains an estimated sound power spectrum Ps(ω), based on a power spectrum P1(ω) and on a first calculated value obtained by at least multiplying a power spectrum P2(ω) by a weight coefficient A2(ω). A coefficient update unit (300) updates the weight coefficient A2(ω) and a weight coefficient A1(ω) so that a second calculated value approximates to the power spectrum P1(ω). The second calculated value is obtained by adding at least two values obtained by multiplying the power spectrum P2(ω) and the estimated target sound power spectrum Ps(ω) by the weight coefficient A2(ω) and the weight coefficient A1(ω), respectively.
摘要翻译：功率谱估计单元（200）基于功率谱P1（ω）获得估计声功率谱Ps（ω），并且通过至少将功率谱P2（ω）乘以权重系数获得的第一计算值 A2（ω）。系数更新单元（300）更新权重系数A2（ω）和加权系数A1（ω），使得第二计算值近似于功率谱P1（ω）。通过将功率谱P2（ω）和估计的目标声功率谱Ps（ω）乘以权重系数A2（ω）和权重系数A1（ω）而获得的至少两个值来获得第二计算值，分别。

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