公开(公告)号：US08972248B2

公开(公告)日：2015-03-03

申请号：US13616917

申请日：2012-09-14

申请人： Takeshi Otani ,  Taro Togawa ,  Masanao Suzuki ,  Shusaku Ito

发明人： Takeshi Otani ,  Taro Togawa ,  Masanao Suzuki ,  Shusaku Ito

IPC分类号： G10L21/00 ,  G10L21/038 ,  G10L13/00 ,  H03G5/00 ,  H04R29/00 ,  H03G3/00 ,  H03G9/00 ,  H04B1/00 ,  G10L25/90

CPC分类号： G10L21/038 ,  G10L25/90

摘要： A band broadening apparatus includes a processor configured to analyze a fundamental frequency based on an input signal bandlimited to a first band, generate a signal that includes a second band different from the first band based on the input signal, control a frequency response of the second band based on the fundamental frequency, reflect the frequency response of the second band on the signal that includes the second band and generate a frequency-response-adjusted signal that includes the second band, and synthesize the input signal and the frequency-response-adjusted signal.

摘要翻译： 频带扩展装置包括：处理器，被配置为基于对第一频带限制的输入信号频带分析基频;基于输入信号产生包括与第一频带不同的第二频带的信号，控制第二频带的频率响应 基于基频，反映第二频带对包括第二频带的信号的频率响应，并产生包括第二频带的频率响应调整信号，并且合成输入信号和频率响应调整 信号。

公开(公告)号：US08558691B2

公开(公告)日：2013-10-15

申请号：US12457546

申请日：2009-06-15

申请人： Yasuji Ota ,  Masanao Suzuki ,  Masakiyo Tanaka ,  Taro Togawa

发明人： Yasuji Ota ,  Masanao Suzuki ,  Masakiyo Tanaka ,  Taro Togawa

IPC分类号： G08B1/08

CPC分类号： H04M11/002

摘要： A sensing apparatus which controls the detection timing of a sensor by a prescribed guidance signal includes a guidance signal analyzing unit for analyzing the prescribed guidance signal, and a sensing control unit for determining, based on the result of the detection, an effective detection period during which an output of the sensor is effective.

公开(公告)号：US08457955B2

公开(公告)日：2013-06-04

申请号：US13409544

申请日：2012-03-01

申请人： Taro Togawa ,  Takeshi Otani ,  Kaori Endo ,  Yasuji Ota

发明人： Taro Togawa ,  Takeshi Otani ,  Kaori Endo ,  Yasuji Ota

IPC分类号： G10L21/02

CPC分类号： G10L21/04

摘要： A voice reproduction apparatus includes an ambient sound analysis unit to analyze a characteristic of an ambient sound, a characteristic analysis unit to analyze an acoustic characteristic of a signal for reproduction, a reproduction timing adjusting unit to record the signal for reproduction and to read the signal for reproduction at a reproduction timing of follow-up reproduction, a reproduction speed changing unit to change a reproduction speed of the read signal for reproduction, and a control unit to control the reproduction timing adjusting unit so that the signal for reproduction is reproduced at the reproduction timing corresponding to an analysis result of the ambient sound analysis unit and to control the reproduction speed changing unit so that the signal for reproduction is reproduced at the reproduction speed corresponding to the analysis result of the ambient sound analysis unit and the acoustic characteristic obtained by the characteristic analysis unit.

摘要翻译： 语音再现装置包括：环境声音分析单元，用于分析环境声音的特性;特征分析单元，分析用于再现的信号的声学特性;再现定时调整单元，用于记录用于再现的信号，以及读取信号 用于在后续再现的再现定时中再现的再现速度改变单元，用于改变用于再现的读取信号的再现速度的再现速度改变单元，以及控制单元，用于控制再现定时调整单元，使得再现信号在 再现定时对应于环境声音分析单元的分析结果，并且控制再现速度改变单元，使得用于再现的信号以与环境声音分析单元的分析结果对应的再现速度再现，并且由 特征分析单元。

公开(公告)号：US20120197634A1

公开(公告)日：2012-08-02

申请号：US13331209

申请日：2011-12-20

申请人： Chisato ISHIKAWA ,  Takeshi OTANI ,  Taro TOGAWA ,  Masanao SUZUKI ,  Masakiyo TANAKA

发明人： Chisato ISHIKAWA ,  Takeshi OTANI ,  Taro TOGAWA ,  Masanao SUZUKI ,  Masakiyo TANAKA

IPC分类号： G10L19/00

CPC分类号： G10L21/043 ,  G10L21/0364 ,  G10L21/057 ,  G10L25/84 ,  G10L25/90

摘要： A voice correction device includes a detector that detects a response from a user, a calculator that calculates an acoustic characteristic amount of an input voice signal, an analyzer that outputs an acoustic characteristic amount of a predetermined amount when having acquired a response signal due to the response from the detector, a storage unit that stores the acoustic characteristic amount output by the analyzer, a controller that calculates an correction amount of the voice signal on the basis of a result of a comparison between the acoustic characteristic amount calculated by the calculator and the acoustic characteristic amount stored in the storage unit, and a correction unit that corrects the voice signal on the basis of the correction amount calculated by the controller.

摘要翻译： 声音校正装置包括检测来自用户的响应的检测器，计算输入声音信号的声学特征量的计算器，当由于该声音信号获取了响应信号而输出预定量的声学特征量时的分析器 来自检测器的响应，存储由分析仪输出的声学特征量的存储单元，控制器，其基于由计算器计算的声学特征量与第二声音信号的比较结果来计算语音信号的校正量 存储在存储单元中的声学特征量，以及基于由控制器计算出的校正量来校正语音信号的校正单元。

公开(公告)号：US20100172511A1

公开(公告)日：2010-07-08

申请号：US12724237

申请日：2010-03-15

申请人： Taro TOGAWA ,  Takeshi Otani ,  Kaori Endo ,  Yasuji Ota

发明人： Taro TOGAWA ,  Takeshi Otani ,  Kaori Endo ,  Yasuji Ota

IPC分类号： H03B29/00

CPC分类号： G10L21/0208 ,  F01N1/065 ,  G10K11/178 ,  G10K2210/12 ,  G10K2210/1282 ,  G10K2210/3025 ,  G10L21/0232

摘要： An active silencer includes: a speaker generating control sound which interferes with noise; a microphone detecting noise remaining after the interference as a remaining noise signal; a sound quality evaluation unit evaluating the sound quality of the remaining noise and output a result of the sound quality evaluation; an actuation signal determination unit determining, according to the result of the sound quality evaluation, the detection timing of the frequency component of the remaining noise signal to be used when the control sound is generated for a plurality of bands of the remaining noise, corresponding to the plurality of bands of a reference signal corresponding to the noise; and a control signal generation unit generating and output a control signal for generation of the control sound depending on a plurality of bands of the determined remaining noise signal and a plurality of bands of the reference signal corresponding to the noise.

摘要翻译： 主动消音器包括：产生干扰噪声的控制声音的扬声器; 麦克风检测干扰后残留的噪声作为剩余噪声信号; 音质评价单元，评价剩余噪声的声音质量，并输出音质评价结果; 致动信号确定单元，根据声音质量评估的结果，确定当对于多个剩余噪声的频带产生控制声音时要使用的剩余噪声信号的频率分量的检测定时，对应于 对应于噪声的参考信号的多个频带; 以及控制信号生成单元，根据所确定的剩余噪声信号的多个频带和与噪声对应的参考信号的多个频带，生成并输出用于产生控制声音的控制信号。

公开(公告)号：US20100082338A1

公开(公告)日：2010-04-01

申请号：US12631050

申请日：2009-12-04

申请人： Taro TOGAWA ,  Takeshi Otani ,  Kaori Endo ,  Yasuji Ota

发明人： Taro TOGAWA ,  Takeshi Otani ,  Kaori Endo ,  Yasuji Ota

IPC分类号： G10L19/12

CPC分类号： G10L21/02 ,  G10L2021/0575

摘要： A voice processing apparatus, which processes a first voice signal, includes: an acoustic analysis part which analyzes a feature quantity of an input second voice signal; a reference range calculation part which calculates a reference range based on the feature quantity; a comparing part which compares the feature quantity and the reference range and outputs a comparison result; and a voice processing part which processes and outputs the input first voice signal based on the comparison result.

摘要翻译： 处理第一语音信号的语音处理装置包括：声学分析部分，分析输入的第二语音信号的特征量; 参考范围计算部，其基于特征量计算基准范围; 比较部分，比较特征量和参考范围，并输出比较结果; 以及语音处理部，其基于比较结果来处理并输出输入的第一语音信号。

公开(公告)号：US20090262951A1

公开(公告)日：2009-10-22

申请号：US12360213

申请日：2009-01-27

申请人： Taro Togawa ,  Takeshi Otani ,  Kaori Endo ,  Yasuji Ota

发明人： Taro Togawa ,  Takeshi Otani ,  Kaori Endo ,  Yasuji Ota

IPC分类号： G10K11/16

CPC分类号： G10K11/178 ,  G10K2210/1282 ,  G10K2210/3032

摘要： An active noise control apparatus that controls by a control sound a noise which is output from a noise source, includes: a control sound generating section which inputs a control signal, and produce the control sound; a residual noise detecting section which detects, as a residual noise signal, a noise remaining after the noise control by the control sound; a control signal generating section which inputs, as a reference signal, a signal concerning the noise or the generation state of the noise, and generates the control signal; and a controlling section which inputs the control signal and the residual noise signal, detects the components that cannot be identified in the control signal generating section, and controls the generation of the control signal in the control signal generating section.

摘要翻译： 一种主动噪声控制装置，其通过控制声音控制从噪声源输出的噪声，包括：控制声音产生部，其输入控制信号，并产生控制声; 剩余噪声检测部分，通过控制声音检测噪声控制之后剩余的噪声作为残余噪声信号; 控制信号生成部，其输入与噪声或噪声的生成状态有关的信号作为参考信号，生成控制信号; 以及输入控制信号和残留噪声信号的控制部，检测在控制信号生成部中不能识别的成分，并控制控制信号生成部中的控制信号的生成。

公开(公告)号：US09093077B2

公开(公告)日：2015-07-28

申请号：US13532908

申请日：2012-06-26

申请人： Takeshi Otani ,  Masanao Suzuki ,  Taro Togawa

发明人： Takeshi Otani ,  Masanao Suzuki ,  Taro Togawa

IPC分类号： H04B3/20 ,  G10L21/0208

CPC分类号： G10L21/0208 ,  G10L2021/02082

摘要： A reverberation suppression device includes an analyzer configured to analyze change over time in the power of an input signal obtained from a microphone in response to sound input, and thereby compute the decrease per unit time in the power of the input signal in a reverb segment following the end of a segment in which the sound is produced; and a suppression controller configured to control a suppression gain which indicates the rate at which the input signal is attenuated, on the basis of analysis results from the analyzer.

摘要翻译： 混响抑制装置包括：分析器，其被配置为分析响应于声音输入从麦克风获得的输入信号的功率随时间的变化，并且由此计算随后的混响段中的输入信号的功率的每单位时间的减小 在其中产生声音的段的末端; 以及抑制控制器，被配置为基于来自分析器的分析结果来控制指示输入信号被衰减的速率的抑制增益。

公开(公告)号：US08751221B2

公开(公告)日：2014-06-10

申请号：US12408812

申请日：2009-03-23

申请人： Kaori Endo ,  Yasuji Ota ,  Takeshi Otani ,  Taro Togawa

发明人： Kaori Endo ,  Yasuji Ota ,  Takeshi Otani ,  Taro Togawa

IPC分类号： G10L11/06

CPC分类号： H03G3/32 ,  G10L21/0364

摘要： A communication apparatus for adjusting a received voice signal in accordance with an ambient noise, the communication apparatus includes: a microphone for receiving an ambient noise and input voice and outputting a voice input signal corresponding to a level of the input voice and the ambient noise; a receiver for receiving the voice signal; a processer for extracting a voice component originated by a sender and an ambient noise component originated by the ambient noise, determining the ratio between the voice component and the ambient noise component, and adjusting the amplitude of the received voice signal in accordance with the ratio; and a speaker for outputting a reception voice corresponding to the adjusted reception voice signal.

摘要翻译： 一种用于根据环境噪声调整接收到的语音信号的通信装置，所述通信装置包括：麦克风，用于接收环境噪声和输入声音，并输出与所述输入语音的电平和所述环境噪声相对应的语音输入信号; 用于接收语音信号的接收机; 用于提取由发送者产生的语音分量的处理器和由环境噪声产生的环境噪声分量，确定语音分量与环境噪声分量之间的比率，以及根据该比率调整接收的语音信号的幅度; 以及扬声器，用于输出与经调整的接收语音信号相对应的接收语音。

公开(公告)号：US08280727B2

公开(公告)日：2012-10-02

申请号：US12777398

申请日：2010-05-11

申请人： Kaori Endo ,  Takeshi Otani ,  Taro Togawa ,  Yasuji Ota

发明人： Kaori Endo ,  Takeshi Otani ,  Taro Togawa ,  Yasuji Ota

IPC分类号： G10L19/06 ,  G10L21/00 ,  G10L19/14 ,  G10L19/00

CPC分类号： G10L21/038

摘要： A voice band expansion device includes a time-frequency converter that calculates a frequency spectrum of a voice signal having a first frequency band; a separator that extracts, from the frequency spectrum, an envelope amplitude spectrum, a periodic amplitude spectrum, and a random amplitude spectrum; an envelope amplitude spectrum band expander that expands a frequency band to a second frequency band that is different from the first frequency band; a periodic amplitude spectrum band expander that expands a frequency band to the second frequency band; a random amplitude spectrum band expander that expands a frequency band of the random amplitude spectrum to the second frequency band; a broadband spectrum calculator that calculates a broadband frequency spectrum having the first frequency band and the second frequency band; and a frequency-time converter generates a voice signal having the first frequency band and the second frequency band.

摘要翻译： 语音频带扩展装置包括时频转换器，其计算具有第一频带的语音信号的频谱; 从频谱中提取包络幅度谱，周期幅度谱和随机振幅谱的分离器; 将频带扩展到与第一频带不同的第二频带的包络幅度谱带扩展器; 将频带扩展到第二频带的周期性幅度谱带扩展器; 随机振幅谱带扩展器，其将随机振幅频谱的频带扩展到第二频带; 宽带频谱计算器，其计算具有所述第一频带和所述第二频带的宽带频谱; 并且频率 - 时间转换器产生具有第一频带和第二频带的语音信号。