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1. 发明申请

US20100138220A1 COMPUTER-READABLE MEDIUM FOR RECORDING AUDIO SIGNAL PROCESSING ESTIMATING PROGRAM AND AUDIO SIGNAL PROCESSING ESTIMATING DEVICE 有权
标题翻译：用于记录音频信号处理估计程序和音频信号处理估计设备的计算机可读介质
公开(公告)号：US20100138220A1
公开(公告)日：2010-06-03
申请号：US12621918
申请日：2009-11-19
申请人： Chikako MATSUMOTO , Naoshi MATSUO
发明人： Chikako MATSUMOTO , Naoshi MATSUO
IPC分类号： G10L21/02
CPC分类号： G10L25/69 , G10L19/005 , G10L19/12 , G10L21/02 , G10L21/0208
摘要： A computer-readable medium recording a program allowing a computer to execute: setting a plurality of frames on a common time axis between a first waveform of an input to the audio processing and a second waveform of an output from the audio processing, detecting a voice frame and a noise frame in the first and second waveform, calculating a first and second spectrum from the first and second waveform, adjusting the level of the first or second spectrum of the noise frame, and setting the adjusted first and second spectrum of the noise frame as a third and fourth spectrum, calculating a distortion amount of the noise frame from the third and fourth spectrum, estimating a noise model spectrum from the first or second spectrum, and calculating a distortion amount of the voice frame from the first and second spectrum of the voice frame at the selected frequency.
摘要翻译：一种记录程序的计算机可读介质，其允许计算机执行：在音频处理的输入的第一波形与来自音频处理的输出的第二波形之间的公共时间轴上设置多个帧，检测声音在第一和第二波形中的帧和噪声帧，从第一和第二波形计算第一和第二频谱，调整噪声帧的第一或第二频谱的电平，以及设置调整的噪声的第一和第二频谱帧，作为第三和第四频谱，计算来自第三和第四频谱的噪声帧的失真量，估计来自第一或第二频谱的噪声模型频谱，以及从第一和第二频谱计算语音帧的失真量在所选频率下的语音帧。

2. 发明申请

US20120209598A1 STATE DETECTING DEVICE AND STORAGE MEDIUM STORING A STATE DETECTING PROGRAM 有权
标题翻译：国家检测设备和存储媒体存储状态检测程序
公开(公告)号：US20120209598A1
公开(公告)日：2012-08-16
申请号：US13355779
申请日：2012-01-23
申请人： Shoji HAYAKAWA , Naoshi MATSUO
发明人： Shoji HAYAKAWA , Naoshi MATSUO
IPC分类号： G10L11/04 , G10L11/00
CPC分类号： G10L17/26
摘要： A state detecting device includes an input unit that receives an input voice sound; an analyzer that calculates a feature parameter of each of plurality of frames extracted from the voice sound; a calculator that calculates the average of the feature parameters of the frames, determines a threshold on the basis of the average and statistical data representing relationships between other averages of other feature parameters obtained from a plurality of speakers and cumulative frequencies of the other feature parameters, and calculates an appearance frequency of a frame that is among the plurality of frames and whose feature parameter is larger than the threshold; a determining unit that determines, on the basis of the appearance frequency, a strained state of a vocal cord that has made the voice sound; and an output unit that outputs a result of the determination.
摘要翻译：一种状态检测装置，包括接收输入声音的输入单元; 分析器，其计算从所述声音提取的多个帧中的每一个的特征参数; 计算器，其计算帧的特征参数的平均值，基于表示从多个扬声器获得的其他特征参数的其他平均值和其他特征参数的累积频率之间的关系的平均值和统计数据确定阈值，并计算多个帧中的帧的出现频率，其特征参数大于阈值; 确定单元，其基于出现频率确定已经发出声音的声带的应变状态; 以及输出单元，其输出确定的结果。

3. 发明申请

US20120155674A1 SOUND PROCESSING APPARATUS AND RECORDING MEDIUM STORING A SOUND PROCESSING PROGRAM 有权
标题翻译：声音处理设备和记录媒体记录声音处理程序
公开(公告)号：US20120155674A1
公开(公告)日：2012-06-21
申请号：US13324297
申请日：2011-12-13
申请人： Naoshi MATSUO
发明人： Naoshi MATSUO
IPC分类号： H03G3/00
CPC分类号： G10L21/0208 , G10L21/0224 , G10L2021/02165 , H04R3/005 , H04R5/00
摘要： A sound processing apparatus includes a first calculator that calculates first power based on a first signal received by a first microphone that is among the first microphone and a second microphone; a second calculator that calculates second power based on a second signal received by the second microphone; a gain calculator that calculates a gain on the basis of the ratio of the first power to the second power; and a multiplier that processes the second signal using the gain calculated by the gain calculator.
摘要翻译：声音处理装置包括：第一计算器，其基于由第一麦克风和第二麦克风之间的第一麦克风接收的第一信号来计算第一功率; 第二计算器，其基于由所述第二麦克风接收的第二信号计算第二功率; 增益计算器，其基于所述第一功率与所述第二功率的比率来计算增益; 以及使用由增益计算器计算出的增益来处理第二信号的乘法器。

4. 发明申请

US20100322437A1 SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD 有权
标题翻译：信号处理装置和信号处理方法
公开(公告)号：US20100322437A1
公开(公告)日：2010-12-23
申请号：US12817406
申请日：2010-06-17
申请人： Naoshi MATSUO
发明人： Naoshi MATSUO
IPC分类号： H04B15/00
CPC分类号： H04R3/005 , G10L21/0208 , G10L2021/02165
摘要： There is provided a signal processing apparatus, for suppressing a noise, which includes a first calculator to obtain a phase difference between two spectrum signals in a frequency domain transformed from sound signals received by at least two microphones to estimate a sound source by the phase difference, a second calculator to obtain a value representing a target signal likelihood and to determine a sound suppressing phase difference range at each frequency, in which a sound signal is suppressed, on the basis of the target signal likelihood, and a filter. The filter generate a synchronized spectrum signal by synchronizing each frequency component of one of the two spectrum signals to each frequency component of the other of the two spectrum signals for each frequency when the phase difference is within the sound suppressing phase difference range and to generate a filtered spectrum signal.
摘要翻译：提供了一种用于抑制噪声的信号处理装置，其包括第一计算器，以获得从由至少两个麦克风接收的声音信号变换的频域中的两个频谱信号之间的相位差，以通过相位差来估计声源，第二计算器，用于获得表示目标信号似然性的值，并且基于目标信号似然率确定抑制了声音信号的每个频率处的声音抑制相位差范围和滤波器。当相位差在声音抑制相位差范围内时，滤波器通过将两个频谱信号之一的每个频率分量与每个频率的另一个频谱信号中的另一个的每个频率分量同步，并产生同步频谱信号滤波频谱信号。

5. 发明申请

US20110286604A1 MICROPHONE ARRAY DEVICE 有权
标题翻译：麦克风阵列设备
公开(公告)号：US20110286604A1
公开(公告)日：2011-11-24
申请号：US13107497
申请日：2011-05-13
申请人： Naoshi MATSUO
发明人： Naoshi MATSUO
IPC分类号： G10K11/16
CPC分类号： G10K11/1784 , G10K11/178 , H04R3/005
摘要： A microphone array device includes a first sound reception unit configured to obtain a first sound signal that is input from a first microphone, a second sound reception unit configured to obtain a second sound signal that is input from a second microphone, a noise state evaluation unit configured to compare the first sound signal and the second sound signal and to obtain an evaluation parameter to evaluate an influence of a non-target sound included in the second sound signal on a target sound included in the first sound signal according to a result of the comparison, a subtraction adjustment unit configured to set a suppression amount for the second sound signal based on the evaluation parameter and to generate a third sound signal; and a subtraction unit configured to generate a signal to be output based on the third sound signal and the first sound signal.
摘要翻译：麦克风阵列装置包括：第一声音接收单元，被配置为获得从第一麦克风输入的第一声音信号;第二声音接收单元，被配置为获得从第二麦克风输入的第二声音信号;噪声状态评估单元被配置为比较第一声音信号和第二声音信号，并且获得评估参数，以根据第一声音信号的结果来评估包括在第二声音信号中的非目标声音对包括在第一声音信号中的目标声音的影响比较，减法调整单元，被配置为基于评估参数设置第二声音信号的抑制量并产生第三声音信号; 以及减法单元，被配置为基于所述第三声音信号和所述第一声音信号来生成要输出的信号。

6. 发明申请

US20110158426A1 SIGNAL PROCESSING APPARATUS, MICROPHONE ARRAY DEVICE, AND STORAGE MEDIUM STORING SIGNAL PROCESSING PROGRAM 审中-公开
标题翻译：信号处理设备，麦克风阵列设备和存储介质存储信号处理程序
公开(公告)号：US20110158426A1
公开(公告)日：2011-06-30
申请号：US12977341
申请日：2010-12-23
申请人： Naoshi MATSUO
发明人： Naoshi MATSUO
IPC分类号： H04R3/00 , H04B15/00
CPC分类号： H04R3/005
摘要： A signal processing apparatus includes: two sound input units, an orthogonal transformer to transform two sound signals input from the two sound input units into respective spectral signals in a frequency domain, a phase difference calculator to calculate a phase difference between the spectral signals in the frequency domain, a range determiner to determine a coefficient responsive to a frequency in the phase difference as a function of frequency, and determine a suppression range related to a phase on a per frequency basis of the frequency responsive to the coefficient; and a filter to phase-shift a component of one of the spectral signals on a per frequency basis in order to generate a phase-shifted spectral signal when the phase difference at each frequency falls within the suppression range, synthesizing the phase-shifted spectral signal and the other of the spectral signals in order to generate a filtered spectral signal.
摘要翻译：信号处理装置包括：两个声音输入单元，将从两个声音输入单元输入的两个声音信号变换成频域的各个频谱信号的正交变换器，相位差计算器，用于计算频域信号中的频谱信号之间的相位差频域，范围确定器，用于确定响应于作为频率的函数的相位差中的频率的系数，并且响应于系数确定与基于每频率的频率相关的抑制范围; 以及滤波器，用于在每个频率基础上相移一个频谱信号的分量，以便当每个频率的相位差落入抑制范围内时产生相移频谱信号，合成相移频谱信号和另一个光谱信号，以便产生滤波的光谱信号。

7. 发明申请

US20100191527A1 ECHO SUPPRESSING SYSTEM, ECHO SUPPRESSING METHOD, RECORDING MEDIUM, ECHO SUPPRESSOR, SOUND OUTPUT DEVICE, AUDIO SYSTEM, NAVIGATION SYSTEM AND MOBILE OBJECT 有权
标题翻译： ECHO抑制系统，ECHO抑制方法，记录介质，ECHO抑制器，声音输出设备，音频系统，导航系统和移动对象
公开(公告)号：US20100191527A1
公开(公告)日：2010-07-29
申请号：US12756768
申请日：2010-04-08
申请人： Naoshi MATSUO , Taisuke ITOU
发明人： Naoshi MATSUO , Taisuke ITOU
IPC分类号： G10L21/02 , H04B3/20
CPC分类号： H04R3/02 , G10L15/20 , G10L2021/02082
摘要： An echo suppressing system includes: a sound output device for outputting sound based on a sound signal, including a passing section for allowing passage of a component of a different frequency band, and a plurality of sound output sections, each of which outputs sound based on each of the plurality of sound signals passed through the passing section; a summer for summing the plurality of sound signals to generate a reference sound signal; a sound input device for converting input sound into a sound signal; and an echo suppressor for suppressing echo based on the sound output by the sound output device, including an input section to which a sound signal is input from the sound input device as an observation sound signal, and a correction section for correcting the observation sound signal so as to suppress echo included in the observation sound signal.
摘要翻译：回波抑制系统包括：声音输出装置，用于输出基于声音信号的声音，包括允许不同频带的分量通过的通过部分和多个声音输出部分，每个声音输出部分基于多个声音信号中的每一个通过通过部分; 用于对所述多个声音信号求和以产生参考声音信号的加法器; 用于将输入声音转换成声音信号的声音输入装置; 以及基于声音输出装置输出的声音抑制回波的回波抑制器，包括从声音输入装置输入声音信号的输入部分作为观察声音信号，以及校正部分，用于校正观察声音信号以抑制观察声信号中包含的回波。

8. 发明申请

US20120275620A1 MICROPHONE ARRAY APPARATUS AND STORAGE MEDIUM STORING SOUND SIGNAL PROCESSING PROGRAM 有权
标题翻译：麦克风阵列设备和存储媒体存储声音信号处理程序
公开(公告)号：US20120275620A1
公开(公告)日：2012-11-01
申请号：US13425717
申请日：2012-03-21
申请人： Naoshi MATSUO
发明人： Naoshi MATSUO
IPC分类号： H04R3/00
CPC分类号： H04R3/005 , H04R1/406 , H04R2410/07
摘要： A microphone array apparatus includes: an acquisition unit configured to acquire samples from a sound signal inputted from each of a plurality of microphones, at predetermined time intervals; an operation unit configured to calculate a value based on volumes of the sound signal possessed by a plurality of the samples for each of the sound signals inputted from the plurality of microphones; a correlation coefficient calculator configured to calculate a coefficient of correlation between the sound signals, on the basis of the values calculated for the respective sound signals; and a gain calculator configured to calculate reduction gain for the sound signals inputted from the plurality of microphones, on the basis of the coefficient of correlation.
摘要翻译：麦克风阵列装置包括：获取单元，被配置为以预定的时间间隔从从多个麦克风中的每一个输入的声音信号获取样本; 操作单元，被配置为基于从所述多个麦克风输入的每个声音信号，基于由多个样本所拥有的声音信号的音量来计算值; 相关系数计算器，被配置为基于针对各声音信号计算的值来计算声音信号之间的相关系数; 以及增益计算器，被配置为基于所述相关系数来计算从所述多个麦克风输入的声音信号的缩小增益。

9. 发明申请

US20100232620A1 SOUND PROCESSING DEVICE, CORRECTING DEVICE, CORRECTING METHOD AND RECORDING MEDIUM 有权
标题翻译：声音处理装置，校正装置，校正方法和记录介质
公开(公告)号：US20100232620A1
公开(公告)日：2010-09-16
申请号：US12788107
申请日：2010-05-26
申请人： Naoshi MATSUO
发明人： Naoshi MATSUO
IPC分类号： H04R3/00
CPC分类号： H04S7/30
摘要： A sound processing device includes: a plurality of sound input units; a detecting unit for detecting a frequency component of each sound input to the plurality of sound signal unit, the each sound arriving from a direction approximately perpendicular to a line determined by arrangement positions of two sound input units among the plurality of sound input units; a correction coefficient unit for obtaining a correction coefficient for correcting a level of at least one of the sound signals generated from the input sounds by the two sound input units so as to match the levels of the sound signals with each other based on the sound of the detected frequency component; a correcting unit for correcting the level of at least one of the sound signals using the obtained correction coefficient; and a processing unit for performing a sound process based on the sound signal with the corrected level.
摘要翻译：声音处理装置包括：多个声音输入单元; 检测单元，用于检测输入到多个声音信号单元的每个声音的频率分量，每个声音从大致垂直于由多个声音输入单元中的两个声音输入单元的布置位置确定的线的方向到达; 校正系数单元，用于获得用于校正由两个声音输入单元从输入声音产生的至少一个声音信号的电平的校正系数，以便基于声音的声音来匹配声音信号的电平检测频率分量; 校正单元，用于使用所获得的校正系数校正至少一个声音信号的电平; 以及处理单元，用于基于具有校正电平的声音信号执行声音处理。

10. 发明申请

US20100128895A1 SIGNAL PROCESSING UNIT, SIGNAL PROCESSING METHOD, AND RECORDING MEDIUM 有权
标题翻译：信号处理单元，信号处理方法和记录介质
公开(公告)号：US20100128895A1
公开(公告)日：2010-05-27
申请号：US12621706
申请日：2009-11-19
申请人： Naoshi MATSUO
发明人： Naoshi MATSUO
IPC分类号： H04R3/00
CPC分类号： G10L21/0208 , G10L2021/02165 , H04R3/005 , H04R2201/401 , H04R2499/13
摘要： A signal processing unit is provided. The signal processing unit includes an orthogonal transforming part including at least two sound input parts receiving input sound signals on a time axis, the orthogonal transforming part transforming two of the input sound signals into respective spectral signals on a frequency axis, a phase difference calculating part obtaining a phase difference between the two spectral signals on the frequency axis, and a filter part phasing, when the phase difference is within a given range, each component of a first one of the two spectral signals based on the phase difference at each frequency to calculate a phased spectral signal and combining the phased spectral signal and a second one of the two spectral signals to calculate a filtered spectral signal.
摘要翻译：提供信号处理单元。信号处理单元包括正交变换部分，其包括在时间轴上接收输入声音信号的至少两个声音输入部分，正交变换部分将两个输入声音信号变换成频率轴上的各个频谱信号，相位差计算部分获得频率轴上的两个频谱信号之间的相位差，以及滤波器部分定相，当相位差在给定范围内时，两个频谱信号中的第一个的每个分量基于每个频率的相位差到计算相位频谱信号并组合相位频谱信号和两个频谱信号中的第二个频谱信号以计算经滤波的频谱信号。

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