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1. 发明授权

US09245517B2 Noise reduction audio reproducing device and noise reduction audio reproducing method 有权
标题翻译：降噪音频再现装置和降噪音频再现方法
公开(公告)号：US09245517B2
公开(公告)日：2016-01-26
申请号：US12486054
申请日：2009-06-17
申请人： Kohei Asada , Shiro Suzuki , Tetsunori Itabashi , Kazunobu Ohkuri
发明人： Kohei Asada , Shiro Suzuki , Tetsunori Itabashi , Kazunobu Ohkuri
IPC分类号： G10K11/178 , G10L21/06
CPC分类号： G10K11/178 , G10K2210/1053 , G10K2210/1081 , G10L2021/065 , H04R29/004 , H04R2460/01
摘要： A noise reduction audio reproducing method includes the steps of: generating, from an audio signal of collected and obtained noise, an audio signal for noise cancellation to cancel the noise by synthesizing the audio signal for noise cancellation and the noise in an acoustic manner, reproducing the audio signal for noise cancellation acoustically to synthesize this with the noise in an acoustic manner; emphasizing an audio component to be listened to, of collected audio; synthesizing an audio signal with the audio component to be listened to being emphasized, and the audio signal for noise cancellation to supply the synthesized signal thereof to an electro-acoustic converting unit; and controlling so as to supply an audio signal, with the audio component to be listened to having been emphasized, to a synthesizing unit, regarding only a section based on a control signal.
摘要翻译：降噪音频再现方法包括以下步骤：从收集和获得的噪声的音频信号中产生用于噪声消除的音频信号以通过以声学方式合成用于噪声消除的音频信号和噪声来消除噪声，再现用于声学噪声消除的音频信号以声学方式与噪声合成; 强调要收听的音频成分; 合成音频信号与待收听的音频分量被强调，以及用于噪声消除的音频信号，以将其合成信号提供给电声转换单元; 并且控制以将要被收听的已被强调的音频分量的音频信号提供给仅基于控制信号的部分的合成单元。

2. 发明授权

US08792653B2 Signal processing apparatus and method 有权
标题翻译：信号处理装置及方法
公开(公告)号：US08792653B2
公开(公告)日：2014-07-29
申请号：US13208120
申请日：2011-08-11
申请人： Shiro Suzuki , Kazunobu Ohkuri
发明人： Shiro Suzuki , Kazunobu Ohkuri
IPC分类号： H04B15/00
CPC分类号： H04R5/033 , H04R5/04
摘要： A signal processing apparatus includes a first audio output unit configured to output audio of a first audio signal input from a first signal input line, a first pickup unit connected to the first signal input line, a second audio output unit configured to output audio of a second audio signal input from a second signal input line, a second pickup unit connected to the second signal input line, a connecting line that connects the above units to ground, and a first reducing unit configured to at least reduce a first sound leakage signal, being the first audio signal leaking into the second signal input line from the first audio output unit, by using the first audio signal, or reducing a second sound leakage signal, being the second audio signal leaking into the second signal input line from the second audio output unit, by using the second audio signal.
摘要翻译：信号处理装置包括第一音频输出单元，被配置为输出从第一信号输入线输入的第一音频信号的音频，连接到第一信号输入线的第一拾取单元，配置成输出音频的第二音频输出单元从第二信号输入线输入的第二音频信号，连接到第二信号输入线的第二拾取单元，将上述单元连接到地的连接线，以及被配置为至少减少第一声音泄漏信号的第一减小单元，作为从第一音频输出单元泄漏到第二信号输入线中的第一音频信号，通过使用第一音频信号或减少作为从第二音频泄漏到第二信号输入线中的第二音频信号的第二声音泄漏信号输出单元，通过使用第二音频信号。

3. 发明授权

US08761406B2 Audio signal processing device and audio signal processing method 有权
标题翻译：音频信号处理装置和音频信号处理方法
公开(公告)号：US08761406B2
公开(公告)日：2014-06-24
申请号：US12485191
申请日：2009-06-16
申请人： Kazunobu Ohkuri , Kohei Asada , Shiro Suzuki , Tetsunori Itabashi , Hiroki Kawanishi
发明人： Kazunobu Ohkuri , Kohei Asada , Shiro Suzuki , Tetsunori Itabashi , Hiroki Kawanishi
IPC分类号： H03G3/20 , H03G5/00 , H03G9/00 , H03G7/00 , H03B29/00 , G10K11/16
CPC分类号： G10L21/0208 , H03G3/32 , H03G9/005 , H03G9/10
摘要： An audio signal processing device includes: a microphone configured to collect noise; an analyzing unit configured to analyze an audio signal collected by the microphone to detect the level and frequency property of the collected audio signal; and a signal processing unit configured to subject an audio signal to be reproduced to signal processing based on the analysis results of the analyzing unit.
摘要翻译：音频信号处理装置包括：被配置为收集噪声的麦克风; 分析单元，被配置为分析由麦克风收集的音频信号，以检测所收集的音频信号的电平和频率属性; 以及信号处理单元，被配置为基于分析单元的分析结果对要再现的音频信号进行信号处理。

4. 发明申请

US20090323976A1 NOISE REDUCTION AUDIO REPRODUCING DEVICE AND NOISE REDUCTION AUDIO REPRODUCING METHOD 有权
标题翻译：噪声减少音频再现设备和噪声减少音频再现方法
公开(公告)号：US20090323976A1
公开(公告)日：2009-12-31
申请号：US12486054
申请日：2009-06-17
申请人： Kohei Asada , Shiro Suzuki , Tetsunori Itabashi , Kazunobu Ohkuri
发明人： Kohei Asada , Shiro Suzuki , Tetsunori Itabashi , Kazunobu Ohkuri
IPC分类号： G10K11/16
CPC分类号： G10K11/178 , G10K2210/1053 , G10K2210/1081 , G10L2021/065 , H04R29/004 , H04R2460/01
摘要： A noise reduction audio reproducing method includes the steps of: generating, from an audio signal of collected and obtained noise, an audio signal for noise cancellation to cancel the noise by synthesizing the audio signal for noise cancellation and the noise in an acoustic manner, reproducing the audio signal for noise cancellation acoustically to synthesize this with the noise in an acoustic manner; emphasizing an audio component to be listened to, of collected audio; synthesizing an audio signal with the audio component to be listened to being emphasized, and the audio signal for noise cancellation to supply the synthesized signal thereof to an electro-acoustic converting unit; and controlling so as to supply an audio signal, with the audio component to be listened to having been emphasized, to a synthesizing unit, regarding only a section based on a control signal.
摘要翻译：降噪音频再现方法包括以下步骤：从收集和获得的噪声的音频信号中产生用于噪声消除的音频信号以通过以声学方式合成用于噪声消除的音频信号和噪声来消除噪声，再现用于声学噪声消除的音频信号以声学方式与噪声合成; 强调要收听的音频成分; 合成音频信号与待收听的音频分量被强调，以及用于噪声消除的音频信号，以将其合成信号提供给电声转换单元; 并且控制以将要被收听的已被强调的音频分量的音频信号提供给仅基于控制信号的部分的合成单元。

5. 发明申请

US20090310793A1 AUDIO SIGNAL PROCESSING DEVICE AND AUDIO SIGNAL PROCESSING METHOD 有权
标题翻译：音频信号处理设备和音频信号处理方法
公开(公告)号：US20090310793A1
公开(公告)日：2009-12-17
申请号：US12485191
申请日：2009-06-16
申请人： Kazunobu Ohkuri , Kohei Asada , Shiro Suzuki , Tetsunori Itabashi , Hiroki Kawanishi
发明人： Kazunobu Ohkuri , Kohei Asada , Shiro Suzuki , Tetsunori Itabashi , Hiroki Kawanishi
IPC分类号： H04R29/00 , A61F11/06
CPC分类号： G10L21/0208 , H03G3/32 , H03G9/005 , H03G9/10
摘要： An audio signal processing device includes: a microphone configured to collect noise; an analyzing unit configured to analyze an audio signal collected by the microphone to detect the level and frequency property of the collected audio signal; and a signal processing unit configured to subject an audio signal to be reproduced to signal processing based on the analysis results of the analyzing unit.
摘要翻译：音频信号处理装置包括：被配置为收集噪声的麦克风; 分析单元，被配置为分析由麦克风收集的音频信号，以检测所收集的音频信号的电平和频率属性; 以及信号处理单元，被配置为基于分析单元的分析结果对要再现的音频信号进行信号处理。

6. 发明授权

US08737642B2 Audio reproducing apparatus 有权
标题翻译：音频再现装置
公开(公告)号：US08737642B2
公开(公告)日：2014-05-27
申请号：US13311649
申请日：2011-12-06
申请人： Masaru Shimura , Taro Nakagami , Kazunobu Ohkuri
发明人： Masaru Shimura , Taro Nakagami , Kazunobu Ohkuri
IPC分类号： H03G5/00
CPC分类号： H04R3/04 , H03G5/165 , H04R2430/03
摘要： An audio signal processing apparatus and method for extracting components from an input signal, generating additional components, combining components, and level-controlling components. An audio signal processing apparatus may include a harmonic overtone adder and an equalizer. A harmonic overtone adder may include a high-pass filter, a low-pass filter, an harmonic overtone generator, and a combining unit. An equalizer may include a level detector and a gain controller.
摘要翻译：一种用于从输入信号中提取组件，产生附加组件，组合组件和级别控制组件的音频信号处理设备和方法。音频信号处理装置可以包括谐波泛音加法器和均衡器。谐波泛音加法器可以包括高通滤波器，低通滤波器，谐波泛音发生器和组合单元。均衡器可以包括电平检测器和增益控制器。

7. 发明申请

US20080103763A1 Audio processing method and audio processing apparatus 失效
标题翻译：音频处理方法和音频处理装置
公开(公告)号：US20080103763A1
公开(公告)日：2008-05-01
申请号：US11977383
申请日：2007-10-24
申请人： Masaru Shimura , Kazunobu Ohkuri , Taro Nakagami
发明人： Masaru Shimura , Kazunobu Ohkuri , Taro Nakagami
IPC分类号： G10L19/00
CPC分类号： H04R3/04 , H04R2430/03
摘要： Samples of a component having a frequency less than a predetermined frequency in an input audio signal that is a digital signal having a predetermined sampling frequency are written in a memory. A harmonic-overtone signal having a frequency N times a frequency of the input audio signal is generated by repeating an operation N times, where N is an integer more than one, the operation including reading one sample and thinning out (N-1) samples for every N samples from the memory within each cycle period from a first one-direction zero-crossing point to a second one-direction zero-crossing point subsequent to the first one-direction zero-crossing point, each one-direction zero-crossing point being a point at which a level of the input audio signal changes from negative to positive or a point at which the level of the input audio signal changes from positive to negative.
摘要翻译：在具有预定采样频率的数字信号的输入音频信号中具有小于预定频率的频率的分量的采样被写入存储器。通过重复N次，其中N是大于1的整数，产生具有输入音频信号的频率N倍的频率的谐波泛音信号，该操作包括读取一个样本和稀疏（N-1）个样本对于从第一单向过零点之后的第一单向过零点到第二单向零交叉点的每个周期内的每个N个采样，每个单向零交叉点是输入音频信号的电平从负变化到正的点或输入音频信号的电平从正变为负的点。

8. 发明授权

US07132884B2 Power amplification device 有权
标题翻译：功率放大器
公开(公告)号：US07132884B2
公开(公告)日：2006-11-07
申请号：US10514178
申请日：2003-05-01
申请人： Kazunobu Ohkuri , Toshihiko Masuda
发明人： Kazunobu Ohkuri , Toshihiko Masuda
IPC分类号： H03F3/38
CPC分类号： H03F3/2173 , H03F3/2171 , H03F2200/331
摘要： A class D power amplifier (1) switches a power supply voltage VDD at high-speed in response to an input digital audio signal Pin to power-amplify the digital audio signal Pin, and supplies a speaker (2) with the amplified signal. In the case of being incorporated in an AM receiver formed integrally with an AM tuner (3) for receiving AM broadcasts, the class D power amplifier (1) can reduces influence of reception interference with respect to the AM tuner (3). As a result, it is possible to provide a power amplifier that can suppress unnecessary radiation to reduce reception interference with respect to the tuner, not by changing a carrier frequency, but by controlling the drive signal generation systems.
摘要翻译： D类功率放大器（1）响应于中的输入数字音频信号P _{高速切换电源电压V DD，以对数字音频进行放大信号P _{，并向扬声器（2）提供放大信号。在与用于接收AM广播的AM调谐器（3）一体形成的AM接收机的情况下，D类功率放大器（1）可以减少对AM调谐器（3）的接收干扰的影响。结果，可以提供能够抑制不必要的辐射的功率放大器，而不是通过改变载波频率而是通过控制驱动信号发生系统来减少对调谐器的接收干扰。}}

9. 发明申请

US20050285670A1 Audio amplifier 有权
标题翻译：音频放大器
公开(公告)号：US20050285670A1
公开(公告)日：2005-12-29
申请号：US10536999
申请日：2003-12-12
申请人： Kazunobu Ohkuri , Toshihiko Masuda
发明人： Kazunobu Ohkuri , Toshihiko Masuda
IPC分类号： H03F1/26 , H03F3/181 , H03F3/217 , H03G3/34 , H03M3/04 , H03F3/38
CPC分类号： H03F3/2175 , H03F3/181 , H03F2200/331 , H03G3/34 , H03M3/328 , H03M3/346 , H03M3/506
摘要： In an audio amplifier having a D-class power amplifier, a noise upon muting is suppressed. There are provided a sampling rate converter circuit 23 for sampling rate converting a digital audio signal S11 into a digital audio signal S23, and a ΔΣ modulation circuit 14 for re-quantizing the digital audio signal S23 into a bit-reduced digital audio signal S14. Further, there are provided a PWM modulation circuit 15 for converting the digital audio signal S14 into a PWM signal S15, and a D-class power amplifier 16 to which the PWM signal S15 is supplied. Still further, there are provided a dither signal forming circuit 18 for superimposing a dither signal SDI on the digital audio signal S23, and a forming circuit 19 for forming a muting signal SDET. Upon muting, an input side of the sampling rate converter circuit 23 is stopped by the muting signal SDET.
摘要翻译：在具有D级功率放大器的音频放大器中，抑制静音时的噪声。提供了用于将数字音频信号S11进行采样率转换为数字音频信号S23的采样率转换器电路23和用于将数字音频信号S 23重新量化为比特缩小的数字音频的DeltaSigma调制电路14 信号S 14。此外，还提供了用于将数字音频信号S14转换为PWM信号S15的PWM调制电路15以及供给PWM信号S15的D级功率放大器16。另外，还提供了用于将抖动信号SDI叠加在数字音频信号S23上的抖动信号形成电路18和用于形成静噪信号SDET的形成电路19。在静音时，采样率转换器电路23的输入侧被静噪信号SDET停止。

10. 发明申请

US20120140952A1 AUDIO REPRODUCING APPARATUS 有权
标题翻译：音频再现设备
公开(公告)号：US20120140952A1
公开(公告)日：2012-06-07
申请号：US13311649
申请日：2011-12-06
申请人： Masaru Shimura , Taro Nakagami , Kazunobu Ohkuri
发明人： Masaru Shimura , Taro Nakagami , Kazunobu Ohkuri
IPC分类号： H03G5/00
CPC分类号： H04R3/04 , H03G5/165 , H04R2430/03
摘要： An audio signal processing apparatus and method for extracting components from an input signal, generating additional components, combining components, and level-controlling components. An audio signal processing apparatus may include a harmonic overtone adder and an equalizer. A harmonic overtone adder may include a high-pass filter, a low-pass filter, an harmonic overtone generator, and a combining unit. An equalizer may include a level detector and a gain controller.
摘要翻译：一种用于从输入信号中提取组件，产生附加组件，组合组件和级别控制组件的音频信号处理设备和方法。音频信号处理装置可以包括谐波泛音加法器和均衡器。谐波泛音加法器可以包括高通滤波器，低通滤波器，谐波泛音发生器和组合单元。均衡器可以包括电平检测器和增益控制器。

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