公开(公告)号：US09082410B2

公开(公告)日：2015-07-14

申请号：US13302072

申请日：2011-11-22

申请人： Fumihiro Kajimura ,  Masafumi Kimura

发明人： Fumihiro Kajimura ,  Masafumi Kimura

IPC分类号： G10L21/0208 ,  G10L21/0216

CPC分类号： G10L21/0208 ,  G10L2021/02161

摘要： An audio processing apparatus includes a first microphone, a second microphone, and a masking unit configured to mask movement of air from outside of the apparatus to the second microphone. A filter coefficient is estimated and learned so as to minimize the difference between the output signal of the first microphone and the output signal of the second microphone, thereby suppressing a reverberation component generated in the closed space between the masking unit and the second microphone out of the output signal of the second microphone.

摘要翻译： 音频处理装置包括第一麦克风，第二麦克风和被配置为掩蔽空气从设备外部移动到第二麦克风的蒙版单元。 估计和学习滤波器系数，以便最小化第一麦克风的输出信号和第二麦克风的输出信号之间的差异，由此抑制在屏蔽单元和第二麦克风之间的封闭空间中产生的混响分量不在 第二麦克风的输出信号。

公开(公告)号：US08867773B2

公开(公告)日：2014-10-21

申请号：US13516018

申请日：2010-12-08

申请人： Masafumi Kimura ,  Fumihiro Kajimura

发明人： Masafumi Kimura ,  Fumihiro Kajimura

IPC分类号： H04R25/00 ,  H04R3/00 ,  H04N5/225 ,  H04R1/08

CPC分类号： H04N5/225 ,  H04R1/086 ,  H04R3/00 ,  H04R2410/07

摘要： An audio processing device including a first audio collecting unit configured to convert an audio vibration into an electric signal and acquire an audio signal includes a shielding unit having a predetermined resonant frequency that shields the first audio collecting unit from an influence of airflow outside the device; and an acquiring unit configured to acquire, as a first audio signal, an audio signal in a predetermined frequency band lower than the resonant frequency of the shielding unit from among the audio signal acquired by the first audio collecting unit that is shielded from the influence of the air flow outside the device by the shielding unit.

摘要翻译： 一种音频处理装置，包括被配置为将音频振动转换为电信号并获取音频信号的第一音频收集单元，包括屏蔽单元，该屏蔽单元具有屏蔽第一音频收集单元免受设备外部的气流影响的预定谐振频率; 以及获取单元，被配置为从所述第一音频收集单元获取的所述音频信号中获取低于屏蔽单元的谐振频率的预定频带中的音频信号作为第一音频信号， 屏蔽单元外的设备外部的气流。

公开(公告)号：US20120148063A1

公开(公告)日：2012-06-14

申请号：US13302072

申请日：2011-11-22

申请人： Fumihiro Kajimura ,  Masafumi Kimura

发明人： Fumihiro Kajimura ,  Masafumi Kimura

IPC分类号： H04R3/02

CPC分类号： G10L21/0208 ,  G10L2021/02161

摘要： An audio processing apparatus includes a first microphone, a second microphone, and a masking unit configured to mask movement of air from outside of the apparatus to the second microphone. A filter coefficient is estimated and learned so as to minimize the difference between the output signal of the first microphone and the output signal of the second microphone, thereby suppressing a reverberation component generated in the closed space between the masking unit and the second microphone out of the output signal of the second microphone.

摘要翻译： 音频处理装置包括第一麦克风，第二麦克风和被配置为掩蔽空气从设备外部移动到第二麦克风的蒙版单元。 估计和学习滤波器系数，以便最小化第一麦克风的输出信号和第二麦克风的输出信号之间的差异，由此抑制在屏蔽单元和第二麦克风之间的封闭空间中产生的混响分量不在 第二麦克风的输出信号。

公开(公告)号：US20110022403A1

公开(公告)日：2011-01-27

申请号：US12833563

申请日：2010-07-09

申请人： Koichi Washisu ,  Masafumi Kimura ,  Fumihiro Kajimura

发明人： Koichi Washisu ,  Masafumi Kimura ,  Fumihiro Kajimura

IPC分类号： G10L21/04

CPC分类号： H04N5/60 ,  H04N5/23248 ,  H04R3/00 ,  H04S7/30 ,  H04S2400/15

摘要： A sound recording apparatus having a driving unit generates a sound signal from an input sound, detects the level of the sound signal, adjusts the level of the generated sound signal at an amplification factor corresponding to the detected level, and processes the adjusted sound signal to prevent an amplified sound signal from containing a sound signal generated upon driving the driving unit. The sound recording apparatus controls to replace a sound signal in a predetermined period after instructing driving of the driving unit with a signal calculated from a sound signal in the first period after the predetermined period, and to substantially equalize an amplification factor when driving of the driving unit is instructed and that in the first period.

摘要翻译： 具有驱动单元的声音记录装置从输入声音产生声音信号，检测声音信号的电平，以与检测到的电平对应的放大率调节所生成的声音信号的电平，并将调整后的声音信号 防止放大的声音信号包含驱动驱动单元时产生的声音信号。 声音记录装置控制在用预定时间段之后的第一时段从声音信号计算出的指示驱动驱动单元之后的预定时间段中的声音信号，并且在驱动驾驶时基本上均衡放大系数 指示单位和第一期。

公开(公告)号：US20120257779A1

公开(公告)日：2012-10-11

申请号：US13516018

申请日：2010-12-08

申请人： Masafumi Kimura ,  Fumihiro Kajimura

发明人： Masafumi Kimura ,  Fumihiro Kajimura

IPC分类号： H04R19/04

CPC分类号： H04N5/225 ,  H04R1/086 ,  H04R3/00 ,  H04R2410/07

摘要： An audio processing device including a first audio collecting unit configured to convert an audio vibration into an electric signal and acquire an audio signal includes a shielding unit having a predetermined resonant frequency that shields the first audio collecting unit from an influence of airflow outside the device; and an acquiring unit configured to acquire, as a first audio signal, an audio signal in a predetermined frequency band lower than the resonant frequency of the shielding unit from among the audio signal acquired by the first audio collecting unit that is shielded from the influence of the air flow outside the device by the shielding unit.

摘要翻译： 一种音频处理装置，包括被配置为将音频振动转换为电信号并获取音频信号的第一音频收集单元，包括屏蔽单元，该屏蔽单元具有屏蔽第一音频收集单元免受设备外部的气流影响的预定谐振频率; 以及获取单元，被配置为从所述第一音频收集单元获取的所述音频信号中获取低于屏蔽单元的谐振频率的预定频带中的音频信号作为第一音频信号， 屏蔽单元外的设备外部的气流。

公开(公告)号：US08995681B2

公开(公告)日：2015-03-31

申请号：US13357257

申请日：2012-01-24

申请人： Masafumi Kimura ,  Fumihiro Kajimura ,  Koichi Washisu

发明人： Masafumi Kimura ,  Fumihiro Kajimura ,  Koichi Washisu

IPC分类号： H04B15/00 ,  H04R5/04 ,  H04R3/00 ,  G10L21/034 ,  G10L21/0208 ,  G10L21/0216 ,  H04R1/24 ,  H04R5/027

CPC分类号： H04R5/04 ,  G10L21/0208 ,  G10L21/034 ,  G10L2021/02165 ,  H04R1/245 ,  H04R3/005 ,  H04R5/027 ,  H04R2410/07 ,  H04R2430/01 ,  H04S2400/15

摘要： An audio processing apparatus includes first and second audio pickup units. The second audio pickup unit includes an audio resistor provided to cover a sound receiving portion to suppress external wind introduction while passing an external audio. A first filter attenuates a signal having a frequency lower than a first cutoff frequency of the output signal of a first A/D converter. A second filter attenuates a signal having a frequency higher than a second cutoff frequency of the output signal of a second A/D converter. A third filter is provided between the first audio pickup unit and the first A/D converter to attenuate a signal having a frequency lower than a third cutoff frequency for suppressing the wind noise.

摘要翻译： 音频处理装置包括第一和第二音频拾取单元。 第二音频拾取单元包括用于覆盖声音接收部分的音频电阻器，以在通过外部音频的同时抑制外部风力引入。 第一滤波器衰减具有低于第一A / D转换器的输出信号的第一截止频率的频率的信号。 第二滤波器衰减具有高于第二A / D转换器的输出信号的第二截止频率的频率的信号。 在第一音频拾取单元和第一A / D转换器之间提供第三滤波器，以衰减频率低于第三截止频率的信号，以抑制风噪声。

公开(公告)号：US08626500B2

公开(公告)日：2014-01-07

申请号：US12833563

申请日：2010-07-09

申请人： Koichi Washisu ,  Masafumi Kimura ,  Fumihiro Kajimura

发明人： Koichi Washisu ,  Masafumi Kimura ,  Fumihiro Kajimura

IPC分类号： G10L21/02

CPC分类号： H04N5/60 ,  H04N5/23248 ,  H04R3/00 ,  H04S7/30 ,  H04S2400/15

摘要： A sound recording apparatus having a driving unit generates a sound signal from an input sound, detects the level of the sound signal, adjusts the level of the generated sound signal at an amplification factor corresponding to the detected level, and processes the adjusted sound signal to prevent an amplified sound signal from containing a sound signal generated upon driving the driving unit. The sound recording apparatus controls to replace a sound signal in a predetermined period after instructing driving of the driving unit with a signal calculated from a sound signal in the first period after the predetermined period, and to substantially equalize an amplification factor when driving of the driving unit is instructed and that in the first period.

摘要翻译： 具有驱动单元的声音记录装置从输入声音产生声音信号，检测声音信号的电平，以与检测到的电平对应的放大率调节所生成的声音信号的电平，并将调整后的声音信号 防止放大的声音信号包含驱动驱动单元时产生的声音信号。 声音记录装置控制在用预定时间段之后的第一时段从声音信号计算出的指示驱动驱动单元之后的预定时间段中的声音信号，并且在驱动驾驶时基本上均衡放大系数 指示单位和第一期。

公开(公告)号：US20120207315A1

公开(公告)日：2012-08-16

申请号：US13357257

申请日：2012-01-24

申请人： Masafumi Kimura ,  Fumihiro Kajimura ,  Koichi Washisu

发明人： Masafumi Kimura ,  Fumihiro Kajimura ,  Koichi Washisu

IPC分类号： H04B3/20 ,  H04B15/00

CPC分类号： H04R5/04 ,  G10L21/0208 ,  G10L21/034 ,  G10L2021/02165 ,  H04R1/245 ,  H04R3/005 ,  H04R5/027 ,  H04R2410/07 ,  H04R2430/01 ,  H04S2400/15

摘要： An audio processing apparatus includes first and second audio pickup units. The second audio pickup unit includes an audio resistor provided to cover a sound receiving portion to suppress external wind introduction while passing an external audio. A first filter attenuates a signal having a frequency lower than a first cutoff frequency of the output signal of a first A/D converter. A second filter attenuates a signal having a frequency higher than a second cutoff frequency of the output signal of a second A/D converter. A third filter is provided between the first audio pickup unit and the first A/D converter to attenuate a signal having a frequency lower than a third cutoff frequency for suppressing the wind noise.

摘要翻译： 音频处理装置包括第一和第二音频拾取单元。 第二音频拾取单元包括用于覆盖声音接收部分的音频电阻器，以在通过外部音频的同时抑制外部风力引入。 第一滤波器衰减具有低于第一A / D转换器的输出信号的第一截止频率的频率的信号。 第二滤波器衰减具有高于第二A / D转换器的输出信号的第二截止频率的频率的信号。 在第一音频拾取单元和第一A / D转换器之间提供第三滤波器，以衰减频率低于第三截止频率的信号，以抑制风噪声。

公开(公告)号：US10009533B2

公开(公告)日：2018-06-26

申请号：US14232419

申请日：2012-07-24

申请人： Masafumi Kimura ,  Koichi Fukuda

发明人： Masafumi Kimura ,  Koichi Fukuda

IPC分类号： G03B13/00 ,  H04N5/232 ,  G02B7/34 ,  G02B7/36 ,  G03B13/36 ,  G02B7/28

CPC分类号： H04N5/23212 ,  G02B7/285 ,  G02B7/34 ,  G02B7/36 ,  G03B13/36

摘要： An image pickup apparatus for simultaneously realizing a phase difference AF and a contrast AF decides a shift amount of an image signal corresponding to a focus evaluation position every exit pupil area, generates an image corresponding to an image plane position by executing an arithmetic operation processing based on the decided shift amount to the image signal, calculates an evaluation value of a contrast of the generated image, and calculates an evaluation value of a correlation between the images corresponding to the different exit pupil areas in the generated image.

公开(公告)号：US09019424B2

公开(公告)日：2015-04-28

申请号：US14131229

申请日：2012-07-24

申请人： Masafumi Kimura ,  Koichi Fukuda

发明人： Masafumi Kimura ,  Koichi Fukuda

IPC分类号： G03B13/00 ,  H04N5/232 ,  H04N5/228 ,  G02B13/16 ,  H04N5/225 ,  H01L27/00 ,  G02B7/34 ,  G03B13/36 ,  G02B7/28 ,  G02B7/36

CPC分类号： G02B7/34 ,  G02B7/285 ,  G02B7/36 ,  G03B13/36 ,  H04N5/2254 ,  H04N5/23212

摘要： An image pickup apparatus which can perform an AF of a high speed and a high focusing precision by simultaneously realizing a phase difference AF and a contrast AF, decides a range where a contrast evaluation can be performed on the basis of a correspondence relation between each pixel of an image pickup element which is restricted by pupil division means provided for restricting light of an optical image of an object which enters each pixel of the image pickup element to light from a specific exit pupil area of a photographing lens and the specific exit pupil area of the photographing lens, and decides a focus evaluation value of the object in accordance with the decided range from a contrast focus position or a correlation focus position.

摘要翻译： 可以通过同时实现相位差AF和对比度AF来执行高速度和高聚焦精度的AF的图像拾取装置，基于每个像素之间的对应关系来确定可以执行对比度评估的范围 由光瞳分割装置限制的图像拾取元件，其被设置用于限制进入摄像元件的每个像素的物体的光学图像的光到来自拍摄镜头的特定出射瞳孔区域和特定出射瞳孔区域 并且根据来自对比度聚焦位置或相关焦点位置的所确定的范围来确定对象的焦点评估值。