公开(公告)号：US09070372B2

公开(公告)日：2015-06-30

申请号：US13072992

申请日：2011-03-28

申请人： Kaori Endo ,  Takeshi Otani ,  Hitoshi Sasaki ,  Mitsuyoshi Matsubara ,  Rika Nishiike ,  Kaoru Chujo

发明人： Kaori Endo ,  Takeshi Otani ,  Hitoshi Sasaki ,  Mitsuyoshi Matsubara ,  Rika Nishiike ,  Kaoru Chujo

IPC分类号： G10L19/00 ,  G10L21/00 ,  G10L21/02 ,  G10L21/038 ,  G10L21/0232 ,  G10L21/0208

CPC分类号： G10L21/038 ,  G10L21/02 ,  G10L21/0208 ,  G10L21/0232

摘要： A voice processing apparatus includes a voice signal acquiring unit that acquires a voice signal converted to plural frequency bands from an input signal having a narrowed band; an expanding unit that generates based on a narrowband component of the voice signal acquired by the voice signal acquiring unit, an expansion band component expanding the band of the voice signal; a correcting unit that corrects the power of the expansion band component by a correction amount determined based on a noise component included in the voice signal acquired by the voice signal acquiring unit; and an output unit that outputs the voice signal of which the band has been expanded based on the expansion band component corrected by the correcting unit and based on the narrowband component of the voice signal acquired by the voice signal acquiring unit.

摘要翻译： 语音处理装置包括语音信号获取单元，其从具有变窄频带的输入信号中获取被转换成多个频带的语音信号; 扩展单元，其基于由语音信号获取单元获取的语音信号的窄带分量生成扩展频带分量，扩展语音信号的频带; 校正单元，其通过基于由语音信号获取单元获取的语音信号中包括的噪声分量确定的校正量校正扩展频带分量的功率; 以及输出单元，其基于由所述校正单元校正的所述扩展频带分量，并且基于由所述语音信号获取单元获取的所述语音信号的窄带分量来输出已经扩展了所述频带的语音信号。

公开(公告)号：US20120016669A1

公开(公告)日：2012-01-19

申请号：US13072992

申请日：2011-03-28

申请人： Kaori Endo ,  Takeshi Otani ,  Hitoshi Sasaki ,  Mitsuyoshi Matsubara ,  Rika Nishiike ,  Kaoru Chujo

发明人： Kaori Endo ,  Takeshi Otani ,  Hitoshi Sasaki ,  Mitsuyoshi Matsubara ,  Rika Nishiike ,  Kaoru Chujo

IPC分类号： G10L19/14

CPC分类号： G10L21/038 ,  G10L21/02 ,  G10L21/0208 ,  G10L21/0232

摘要： A voice processing apparatus includes a voice signal acquiring unit that acquires a voice signal converted to plural frequency bands from an input signal having a narrowed band; an expanding unit that generates based on a narrowband component of the voice signal acquired by the voice signal acquiring unit, an expansion band component expanding the band of the voice signal; a correcting unit that corrects the power of the expansion band component by a correction amount determined based on a noise component included in the voice signal acquired by the voice signal acquiring unit; and an output unit that outputs the voice signal of which the band has been expanded based on the expansion band component corrected by the correcting unit and based on the narrowband component of the voice signal acquired by the voice signal acquiring unit.

摘要翻译： 语音处理装置包括语音信号获取单元，其从具有变窄频带的输入信号中获取被转换成多个频带的语音信号; 扩展单元，其基于由语音信号获取单元获取的语音信号的窄带分量生成扩展频带分量，扩展语音信号的频带; 校正单元，其通过基于由语音信号获取单元获取的语音信号中包括的噪声分量确定的校正量校正扩展频带分量的功率; 以及输出单元，其基于由所述校正单元校正的所述扩展频带分量，并且基于由所述语音信号获取单元获取的所述语音信号的窄带分量来输出已经扩展了所述频带的语音信号。

公开(公告)号：US20100311462A1

公开(公告)日：2010-12-09

申请号：US12782349

申请日：2010-05-18

申请人： Kaori Endo ,  Masato Hishitani ,  Rika Nishiike ,  Chiharu Kawai ,  Hitoshi Sasaki ,  Mitsuyoshi Matsubara ,  Takashi Wakamatsu ,  Kaoru Chujo

发明人： Kaori Endo ,  Masato Hishitani ,  Rika Nishiike ,  Chiharu Kawai ,  Hitoshi Sasaki ,  Mitsuyoshi Matsubara ,  Takashi Wakamatsu ,  Kaoru Chujo

IPC分类号： H04M1/00

CPC分类号： H04M1/6008 ,  H04M1/6033 ,  H04M2250/12

摘要： A portable radio communication device includes a sound input unit that acquires a sound and converts the sound into an electrical signal, a situation detecting unit that detects the situation of the portable radio communication device, and a control unit that controls the sound input unit in accordance with the detection result of the situation detecting unit. For example, the situation detecting unit detects the inclination of the portable radio communication device and the control unit controls the directivity of the sound input unit in accordance with the inclination detected by the situation detecting unit.

摘要翻译： 便携式无线电通信装置包括：声音输入单元，其获取声音并将声音转换成电信号;检测便携式无线电通信装置的状况的情况检测单元;以及根据该控制单元控制声音输入单元 具有情况检测单元的检测结果。 例如，情况检测单元检测便携式无线电通信设备的倾斜度，并且控制单元根据由情况检测单元检测到的倾斜来控制声音输入单元的方向性。

公开(公告)号：US20070265840A1

公开(公告)日：2007-11-15

申请号：US11826122

申请日：2007-07-12

申请人： Mitsuyoshi Matsubara ,  Takeshi Otani ,  Kaori Endo ,  Yasuji Ota

发明人： Mitsuyoshi Matsubara ,  Takeshi Otani ,  Kaori Endo ,  Yasuji Ota

IPC分类号： G10L19/14 ,  G10L21/00

CPC分类号： G10L21/0208 ,  G10L25/48 ,  G10L25/78

摘要： In a signal processing method and device which enhance a following speed of an estimated noise in a steep rise section of a noise level and generate little estimation error of a noise spectrum due to an influence of voice in a voice section, a time domain signal that is sampled data of an input signal is extracted, the time domain signal is converted into a frequency domain signal per frame, and an input spectrum is calculated. Furthermore, a minimum value of the input spectrum is acquired, so that a noise spectrum that is a frequency domain signal of a noise component included in the input voice signal is estimated. Moreover, the input spectrum is compared with the noise spectrum, so that whether a section is in a noise section or a mixed section where voice and noise are mixed is determined.

摘要翻译： 在噪声电平的急剧上升部分中增强估计噪声的跟随速度的信号处理方法和装置中，由于语音部分中的语音的影响而产生的噪声频谱的估计误差很小，时域信号 提取输入信号的采样数据，将时域信号每帧转换成频域信号，并计算输入频谱。 此外，获取输入频谱的最小值，从而估计作为包括在输入语音信号中的噪声成分的频域信号的噪声谱。 此外，将输入频谱与噪声频谱进行比较，从而确定是否在噪声部分或混合声音和噪声的混合部分中。

公开(公告)号：US20070232257A1

公开(公告)日：2007-10-04

申请号：US11727062

申请日：2007-03-23

申请人： Takeshi Otani ,  Mitsuyoshi Matsubara ,  Kaori Endo ,  Yasuji Ota

发明人： Takeshi Otani ,  Mitsuyoshi Matsubara ,  Kaori Endo ,  Yasuji Ota

IPC分类号： H04Q7/20

CPC分类号： G10L21/0208 ,  G10L25/18

摘要： A noise suppressor includes a frequency division part dividing an input signal into bands and outputting band signals; an amplitude calculation part determining amplitude components of the band signals; a noise estimation part estimating an amplitude component of noise contained in the input signal and determining an estimated noise amplitude component for each band; a weighting factor generation part generating a different weighting factor for each band; an amplitude smoothing part determining smoothed amplitude components that are the amplitude components of the band signals temporally smoothed using the weighting factors; a suppression calculation part determining a suppression coefficient from the smoothed amplitude component and the estimated noise amplitude component for each band; a noise suppression part suppressing the band signals based on the suppression coefficients; and a frequency synthesis part synthesizing and outputting the band signals of the bands after the noise suppression output from the noise suppression part.

摘要翻译： 噪声抑制器包括将输入信号划分为频带并输出频带信号的分频部分; 振幅计算部，确定所述频带信号的振幅分量; 噪声估计部，估计输入信号中包含的噪声的幅度分量，并确定每个频带的估计噪声振幅分量; 为每个频带产生不同加权系数的加权因子产生部分; 确定作为使用所述加权因子暂时平滑的所述频带信号的幅度分量的平滑幅度分量的振幅平滑部分; 抑制计算部分，根据平滑的振幅分量和每个频带的估计噪声振幅分量确定抑制系数; 基于抑制系数抑制频带信号的噪声抑制部; 以及频率合成部，其合成并输出从噪声抑制部输出的噪声抑制之后的频带的频带信号。

公开(公告)号：US07783481B2

公开(公告)日：2010-08-24

申请号：US10851701

申请日：2004-05-20

申请人： Kaori Endo ,  Takeshi Otani ,  Mitsuyoshi Matsubara ,  Yasuji Ota

发明人： Kaori Endo ,  Takeshi Otani ,  Mitsuyoshi Matsubara ,  Yasuji Ota

IPC分类号： G10L21/02

CPC分类号： G10L21/0208

摘要： A noise reduction apparatus includes an analysis unit for converting input into a signal of a frequency area, a suppression unit for suppressing the signal, and a synthesis unit for synthesizing a signal of a time area. The apparatus further includes an estimation unit for estimating, using the output of the analysis unit, information corresponding to at least pure voice element excluding noise element in an input voice signal as voice information which is the basic voice information for calculation of a suppression gain of a signal, and a unit for calculating a suppression gain corresponding to the output of the estimation unit and the analysis unit and providing it for the suppression unit.

摘要翻译： 降噪装置包括：分析单元，用于将输入转换为频率区域的信号;抑制单元，用于抑制信号;以及合成单元，用于合成时间区域的信号。 该装置还包括：估计单元，用于使用分析单元的输出，将与输入语音信号中除噪声元素之外的至少纯净语音元素相对应的信息作为语音信息，作为用于计算抑制增益的基本语音信息 信号和用于计算与估计单元和分析单元的输出相对应的抑制增益并将其提供给抑制单元的单元。

公开(公告)号：US20050143988A1

公开(公告)日：2005-06-30

申请号：US10851701

申请日：2004-05-20

申请人： Kaori Endo ,  Takeshi Otani ,  Mitsuyoshi Matsubara ,  Yasuji Ota

发明人： Kaori Endo ,  Takeshi Otani ,  Mitsuyoshi Matsubara ,  Yasuji Ota

IPC分类号： G10L15/20 ,  G10L21/02 ,  H03M7/30 ,  H04M1/00 ,  G10L21/00

CPC分类号： G10L21/0208

摘要： A noise reduction apparatus includes an analysis unit for converting input into a signal of a frequency area, a suppression unit for suppressing the signal, and a synthesis unit for synthesizing a signal of a time area. The apparatus further includes an estimation unit for estimating, using the output of the analysis unit, information corresponding to at least pure voice element excluding noise element in an input voice signal as voice information which is the basic voice information for calculation of a suppression gain of a signal, and a unit for calculating a suppression gain corresponding to the output of the estimation unit and the analysis unit and providing it for the suppression unit.

摘要翻译： 降噪装置包括：分析单元，用于将输入转换为频率区域的信号;抑制单元，用于抑制信号;以及合成单元，用于合成时间区域的信号。 该装置还包括：估计单元，用于使用分析单元的输出，将与输入语音信号中除噪声元素之外的至少纯净语音元素相对应的信息作为语音信息，作为用于计算抑制增益的基本语音信息 信号和用于计算与估计单元和分析单元的输出相对应的抑制增益并将其提供给抑制单元的单元。

公开(公告)号：US4819188A

公开(公告)日：1989-04-04

申请号：US800793

申请日：1985-11-22

申请人： Mitsuyoshi Matsubara ,  Yukinobu Ito

发明人： Mitsuyoshi Matsubara ,  Yukinobu Ito

IPC分类号： G06T5/20 ,  H04N1/409 ,  G06F15/42

CPC分类号： G06T5/004 ,  G06T5/20 ,  H04N1/4092 ,  Y10S128/922 ,  Y10S378/901

摘要： In a radiation image recording system for recording a processed image on a recording medium by frequency emphasis processing and gradation processing of radiation image data from an object to be examined, an image processing apparatus performs frequency emphasis processing and gradation processing of the radiation image data for a later image recording stage. The image processing apparatus calculates two unsharp mask data Sus1 and Sus2 for two different mask sizes, and substantially simultaneously forms two processed image data by frequency emphasis processing and gradation processing of the radiation image data using the unsharp mask data Sus1 and Sus2.

摘要翻译： 在通过频率加重处理和从被检查对象的放射线图像数据的灰度处理来记录处理后的图像在记录介质上的放射线图像记录系统中，图像处理装置对放射线图像数据进行频率加重处理和灰度处理 后来的图像记录阶段。 图像处理装置针对两个不同的掩模尺寸计算两个非锐化掩模数据Sus1和Sus2，并且通过使用非锐化掩模数据Sus1和Sus2的频率加重处理和辐射图像数据的灰度处理基本上同时形成两个处理的图像数据。

公开(公告)号：US4520494A

公开(公告)日：1985-05-28

申请号：US502117

申请日：1983-06-08

申请人： Masataka Arita ,  Mitsuyoshi Matsubara

发明人： Masataka Arita ,  Mitsuyoshi Matsubara

IPC分类号： H05G1/32 ,  H05G1/34 ,  H05G1/46 ,  G03B41/16 ,  H05G1/10 ,  H05G1/30

CPC分类号： H05G1/46 ,  H05G1/32 ,  H05G1/34

摘要： A falling load type X-ray diagnostic apparatus comprises a low voltage power source, AC-DC converting means connected to the low voltage power source so as to apply a rectified low DC voltage, chopping means connected to the AC-DC converting means and chopping said DC voltage into a low AC voltage, high voltage applying means for transforming said low AC voltage into a high AC voltage, said high AC voltage being applied as a tube voltage to an X-ray tube from which X-rays are irradiated toward an object to be examined, means for controlling a filament heating power of the X-ray tube, programming means for supplying a control signal to said filament heating control means so as to reduce the emission current of said X-ray tube during the irradiation, and chopper control means for controlling the chopping ratio of said chopping means by evaluating said rectified DC voltage with a preset tube voltage generated in said programming means, said programming means compensating said tube voltage by receiving said control signal in such a manner that said tube voltage is maintained substantially constant during the irradiation by varying said preset tube voltage so as to control the chopping ratio based upon the reduction of the filament heating power for the X-ray tube.

摘要翻译： 跌落型X射线诊断装置包括低压电源，连接到低压电源的AC-DC转换装置，以施加整流的低DC电压，连接到AC-DC转换装置的斩波装置和斩波 将所述直流电压转换为低交流电压，将所述低交流电压变换为高交流电压的高电压施加装置，将所述高交流电压作为管电压施加到从其照射X射线的X射线管 被检查对象，用于控制X射线管的灯丝加热功率的装置，用于向所述灯丝加热控制装置提供控制信号以减少照射期间所述X射线管的发射电流的编程装置，以及 斩波控制装置，用于通过用在所述编程装置中产生的预设管电压评估所述整流DC电压来控制所述斩波装置的斩波比，所述编程装置补偿所述管电压 通过接收所述控制信号，使得通过改变所述预设管电压，在照射期间所述管电压保持基本上恒定，以便基于X射线管的灯丝加热功率的减小来控制斩波比。

公开(公告)号：US20080147387A1

公开(公告)日：2008-06-19

申请号：US11877787

申请日：2007-10-24

申请人： Mitsuyoshi Matsubara ,  Kazuhiro Nomoto

发明人： Mitsuyoshi Matsubara ,  Kazuhiro Nomoto

IPC分类号： H04B15/00 ,  H03G3/20

CPC分类号： G10L21/0208 ,  G10L21/0232

摘要： An audio signal processing device includes a gain control portion (11, 12) that controls a gain of an input audio signal (S1), a noise suppression quantity calculating portion (13) that calculates noise suppression quantity (SL) with respect to the audio signal, a correcting portion (14) that corrects the noise suppression quantity (SL) based on a gain (GL) calculated by the gain control portion, and a noise suppressing portion (15) that suppresses a noise component included in the audio signal based on a corrected noise suppression quantity (SLH).

摘要翻译： 音频信号处理装置包括：控制输入音频信号（S 1）的增益的增益控制部（11,12）;噪声抑制量计算部（13），其计算噪声抑制量 音频信号，基于由增益控制部分计算的增益（GL）来校正噪声抑制量（SL）的校正部分（14）以及抑制包含在音频信号中的噪声分量的噪声抑制部分（15） 基于校正噪声抑制量（SLH）。