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    • 3. 发明申请
    • Information processing system, method of processing information, and program for processing information
    • 信息处理系统,处理信息的方法以及处理信息的程序
    • US20070081529A1
    • 2007-04-12
    • US10582360
    • 2001-01-26
    • Akihiko SugiyamaKiyoshi YamabanaKenji Sato
    • Akihiko SugiyamaKiyoshi YamabanaKenji Sato
    • H04L12/50
    • G06F17/28G10L13/00G10L15/26
    • Information other than the result of correctly processing information can be reproduced. The information processing system comprises an information processing means 3, an information changing means 5, an information reproducing means 4. The information changing means 5 changes the result of processing, obtained by the information processing means 3. The information processing means 3 processes the information received by a sensor 2 and transmits the result of processing to the information reproducing means 4. The information changing means 5 adds or deletes information to or from the result of processing, obtained by the information processing means 3, by using an information analysis unit and a change-processing unit. If the information processing is interpretation that includes voice recognition, translation and voice synthesis, the first language received by the sensor 2 is translated into the second language by the information processing means 3 and is reproduced by the information reproducing means 4.
    • 可以再现除正确处理信息的结果之外的信息。 信息处理系统包括信息处理装置3,信息改变装置5,信息再现装置4。 信息改变装置5改变由信息处理装置3获得的处理结果。 信息处理装置3处理由传感器2接收的信息,并将处理结果发送给信息再现装置4。 信息改变装置5通过使用信息分析单元和改变处理单元向由信息处理装置3获得的处理结果或从处理结果中添加或删除信息。 如果信息处理是包括语音识别,翻译和语音合成的解释,则由信息处理装置3将传感器2接收的第一语言转换为第二语言,并由信息再现装置4再现。
    • 7. 发明申请
    • SPEECH PROCESSING APPARATUS, CONTROL METHOD THEREOF, STORAGE MEDIUM STORING CONTROL PROGRAM THEREOF, AND VEHICLE, INFORMATION PROCESSING APPARATUS, AND INFORMATION PROCESSING SYSTEM INCLUDING THE SPEECH PROCESSING APPARATUS
    • 语音处理装置,其控制方法,存储媒体存储控制程序及车辆信息处理装置以及包括语音处理装置的信息处理系统
    • US20130282370A1
    • 2013-10-24
    • US13978446
    • 2011-12-03
    • Takayuki ArakawaAkihiko Sugiyama
    • Takayuki ArakawaAkihiko Sugiyama
    • G10L21/0208
    • G10L21/0208G10L15/20G10L21/0216H04R1/342H04R3/005H04R2410/05H04R2499/11H04R2499/13
    • An apparatus of this invention is a speech processing apparatus that acquires pseudo speech from a mixture sound including desired speech and noise. The speech processing apparatus includes a first microphone that inputs a first mixture sound including desired speech and noise and outputs a first mixture signal, a second microphone that is opened to the same sound space as that of the first microphone, inputs a second mixture sound including the desired speech and the noise at a ratio different from the first mixture sound, and outputs a second mixture signal, a first sound collector including a concave surface that collects the first mixture sound to the first microphone, a second sound collector including a concave surface that collects the second mixture sound to the second microphone and disposed in a direction different from the first sound collector, and a noise suppression circuit that suppresses an estimated noise signal based on the first mixture signal and the second mixture signal and outputs a pseudo speech signal. With this arrangement, it is possible to, in a single sound space where desired speech and noise mix, collect the desired speech and the noise, correctly estimate the noise, and reconstruct pseudo speech close to the desired speech.
    • 本发明的装置是从包含所需语音和噪声的混合声音中获取伪语音的语音处理装置。 语音处理装置包括第一麦克风,其输入包括所需语音和噪声的第一混合声音并输出第一混合信号,打开到与第一麦克风相同的声音空间的第二麦克风输入包括 以与第一混合声音不同的比例的期望语音和噪声,并且输出第二混合信号,包括收集第一混合声音的凹面的第一收音器到第一麦克风,第二声音收集器,包括凹面 其将第二混合声音收集到第二麦克风并且设置在与第一声音收集器不同的方向上;噪声抑制电路,其基于第一混合信号和第二混合信号抑制估计的噪声信号,并输出伪语音信号 。 通过这种布置,可以在需要的语音和噪声混合的单个声音空间中收集所需的语音和噪声,正确地估计噪声,并重建接近期望语音的伪语音。
    • 8. 发明申请
    • SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD AND SIGNAL PROCESSING PROGRAM
    • 信号处理设备,信号处理方法和信号处理程序
    • US20130191119A1
    • 2013-07-25
    • US13877593
    • 2011-09-15
    • Akihiko Sugiyama
    • Akihiko Sugiyama
    • G10L21/0208
    • G10L21/0208G10L21/0224G10L2021/02082G10L2021/02165H03H21/0012H03H21/0067H03H2021/0072H03H2021/0078H03H2021/0094H04B3/23H04M9/082
    • From a mixed signal in which a first signal and a second signal are mixed, the second signal is removed at low processing cost and without delay. As a result, an estimated first signal which has low residue of the second signal and low distortion is obtained.An estimated first signal is generated by subtracting a pseudo second signal which is estimated to be mixed in a first mixed signal in which a first signal and a second signal are mixed from the first mixed signal. The pseudo second signal is obtained by a first adaptive filter using a second mixed signal in which the first signal and the second signal are mixed in a different proportion from the first mixed signal. A coefficient update amount of the first adaptive filter is made smaller as compared with a case when the estimated first signal is smaller than the first mixed signal, in case the estimated first signal is larger than the first mixed signal.
    • 从第一信号和第二信号混合的混合信号中,以低处理成本且没有延迟地去除第二信号。 结果,获得具有第二信号的低残差和低失真的估计的第一信号。 通过从第一混合信号中减去第一混合信号和第二信号混合的第一混合信号中估计混合的伪第二信号来产生估计的第一信号。 伪第二信号通过使用第二混合信号的第一自适应滤波器获得,其中第一信号和第二信号以与第一混合信号不同的比例混合。 与估计的第一信号小于第一混合信号的情况相比,在估计的第一信号大于第一混合信号的情况下,使第一自适应滤波器的系数更新量更小。
    • 10. 发明授权
    • Method, apparatus, and computer program for suppressing noise
    • 用于抑制噪声的方法,装置和计算机程序
    • US08477963B2
    • 2013-07-02
    • US13532185
    • 2012-06-25
    • Akihiko SugiyamaMasanori Katou
    • Akihiko SugiyamaMasanori Katou
    • H04B15/00
    • G10L21/0208
    • A method, an apparatus, and a computer program, which can suppress a low frequency range component with a small amount of calculation, and can achieve a noise suppression of high quality, are provided. The noise superposed in a desired signal of an input signal is suppressed by converting the input signal to a frequency domain signal; correcting an amplitude of the frequency domain signal to obtain an amplitude corrected signal; obtaining an estimated noise by using the amplitude corrected signal; determining a suppression coefficient by using the estimated noise and the amplitude corrected signal; and weighting the amplitude corrected signal with the suppression coefficient.
    • 提供了能够以少量计算来抑制低频范围分量并且可以实现高质量噪声抑制的方法,装置和计算机程序。 通过将输入信号转换为频域信号来抑制叠加在输入信号的期望信号中的噪声; 校正频域信号的幅度以获得幅度校正信号; 通过使用振幅校正信号获得估计噪声; 通过使用所估计的噪声和幅度校正信号来确定抑制系数; 并用抑制系数对幅度校正信号进行加权。