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1.发明申请公开(公告)号：US20070183602A1
公开(公告)日：2007-08-09
申请号：US11703309
申请日：2007-02-06
IPC分类号： H04R5/00
摘要： An impulse response synthesis method is carried out by a dispersion calculation process for calculating a dispersion of phase characteristics in association with a given room based on a volume of the room, a degree of sound absorption of the room, and a distance between a sound source and a receiving point arranged in the room, a noise creation process for creating a noise having the dispersion of the phase characteristics calculated in the dispersion calculation process, a trend addition process for adding a phase trend to the noise created by the noise creation process in accordance with the distance between the sound source and the receiving point and obtaining a phase characteristic of a minimum-phase component from the noise added with the phase trend, and a synthesis process for synthesizing an impulse response based on the phase characteristic of the minimum-phase component, the impulse response being used to create reverberation for the room.
摘要翻译： 脉冲响应合成方法是通过色散计算处理进行的，该色散计算处理用于基于房间的体积，房间的吸声度和声源之间的距离来计算与给定房间相关联的相位特性的色散 以及布置在房间中的接收点，用于产生具有在色散计算处理中计算的相位特性的色散的噪声的噪声产生过程，用于将由噪声产生过程产生的噪声相加的相位趋势加到 根据声源和接收点之间的距离，并根据加上相位趋势的噪声获得最小相位分量的相位特性，以及合成处理，用于根据最小相位分量的相位特性合成脉冲响应， 相位分量，脉冲响应用于创建房间的混响。
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公开(公告)号：US07574005B2
公开(公告)日：2009-08-11
申请号：US11094054
申请日：2005-03-29
CPC分类号： H03G3/32
摘要： A method is designed for emphasizing a howling frequency component of a sound signal observed in an acoustic feedback system during an observation period having a predetermined length. The method is carried out by the steps of successively sampling the sound signal from the acoustic feedback system to provide a running set of samples of the sound signal during the observation period such that a total number of the samples in the running set increments each time one or more of new sample is added to the running set until the total number of the samples corresponds to the predetermined length of the observation period, recurrently calculating a running frequency characteristic of the sound signal on a common frequency axis for the observation period from the running set of the samples each time one ore more of new sample is added to the running set, and accumulating the recurrently calculated running frequency characteristics on the common frequency axis so as to emphasize a howling frequency component contained in the sound signal.
摘要翻译： 一种方法被设计用于在具有预定长度的观察期间中强调在声反馈系统中观察到的声音信号的啸叫频率分量。 该方法通过以下步骤来执行：从声反馈系统连续采样声音信号，以在观察期间提供声音信号的一组运行样本，使得每次运行中的样本总数增加一个 或更多的新样本被添加到运行集合中，直到样本的总数对应于观察期间的预定长度，从运行中循环计算观测期间的共同频率轴上的声音信号的运行频率特性 每次将一个以上新样本添加到运行组中的样本集合，并且累积在共同频率轴上的经常计算的运行频率特性，以便强调包含在声音信号中的啸叫频率分量。
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3.发明授权Method for synthesizing impulse response and method for creating reverberation 有权用于合成脉冲响应的方法和产生混响的方法公开(公告)号：US08005234B2
公开(公告)日：2011-08-23
申请号：US11703309
申请日：2007-02-06
IPC分类号： H03G3/00
摘要： An impulse response synthesis method is carried out by a dispersion calculation process for calculating a dispersion of phase characteristics in association with a given room based on a volume of the room, a degree of sound absorption of the room, and a distance between a sound source and a receiving point arranged in the room, a noise creation process for creating a noise having the dispersion of the phase characteristics calculated in the dispersion calculation process, a trend addition process for adding a phase trend to the noise created by the noise creation process in accordance with the distance between the sound source and the receiving point and obtaining a phase characteristic of a minimum-phase component from the noise added with the phase trend, and a synthesis process for synthesizing an impulse response based on the phase characteristic of the minimum-phase component, the impulse response being used to create reverberation for the room.
摘要翻译： 脉冲响应合成方法是通过色散计算处理进行的，该色散计算处理用于基于房间的体积，房间的吸声度和声源之间的距离来计算与给定房间相关联的相位特性的色散 以及布置在房间中的接收点，用于产生具有在色散计算处理中计算的相位特性的色散的噪声的噪声产生过程，用于将由噪声产生过程产生的噪声相加的相位趋势加到 根据声源和接收点之间的距离，并根据加上相位趋势的噪声获得最小相位分量的相位特性，以及合成处理，用于根据最小相位分量的相位特性合成脉冲响应， 相位分量，脉冲响应用于创建房间的混响。
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公开(公告)号：US20050220313A1
公开(公告)日：2005-10-06
申请号：US11094054
申请日：2005-03-29
CPC分类号： H03G3/32
摘要： A method is designed for emphasizing a howling frequency component of a sound signal observed in an acoustic feedback system during an observation period having a predetermined length. The method is carried out by the steps of successively sampling the sound signal from the acoustic feedback system to provide a running set of samples of the sound signal during the observation period such that a total number of the samples in the running set increments each time one or more of new sample is added to the running set until the total number of the samples corresponds to the predetermined length of the observation period, recurrently calculating a running frequency characteristic of the sound signal on a common frequency axis for the observation period from the running set of the samples each time one ore more of new sample is added to the running set, and accumulating the recurrently calculated running frequency characteristics on the common frequency axis so as to emphasize a howling frequency component contained in the sound signal.
摘要翻译： 一种方法被设计用于在具有预定长度的观察期间中强调在声反馈系统中观察到的声音信号的啸叫频率分量。 该方法通过以下步骤来执行：从声反馈系统连续采样声音信号，以在观察期间提供声音信号的一组运行样本，使得每次运行中的样本总数增加一个 或更多的新样本被添加到运行集合中，直到样本的总数对应于观察期间的预定长度，从运行中循环计算观测期间的共同频率轴上的声音信号的运行频率特性 每次将一个以上新样本添加到运行组中的样本集合，并且累积在共同频率轴上的经常计算的运行频率特性，以便强调包含在声音信号中的啸叫频率分量。
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公开(公告)号：US07844058B2
公开(公告)日：2010-11-30
申请号：US11388244
申请日：2006-03-23
申请人： Mikio Tohyama , Michiko Kazama , Yoshinori Takahashi , Kiyoaki Terada , Shinichi Sakamoto , Keisuke Watanuki , Takeshi Nakaichi
发明人： Mikio Tohyama , Michiko Kazama , Yoshinori Takahashi , Kiyoaki Terada , Shinichi Sakamoto , Keisuke Watanuki , Takeshi Nakaichi
IPC分类号： H04R25/00
CPC分类号： H04R25/505 , H04R2430/03
摘要： A hearing aid device for processing an input sound signal via a microphone so as to output a sound signal from an earphone comprises a signal processing element, a couple of acoustic nerve excitation pattern calculation elements, a couple of acoustic filter shape memory elements, a comparison element, a correction processing element, etc. The couple of acoustic nerve excitation pattern calculation elements calculate acoustic nerve excitation patterns of a normal hearing person and a hearing impaired person based on an output signal of the signal processing element and acoustic filter shapes of the normal hearing person and the hearing impaired person which are stored in the couple of acoustic filter shape memory elements. Each of the acoustic nerve excitation patterns is compared via the comparison element. Then, the correction processing element corrects the input sound signal such that the acoustic nerve excitation pattern of the hearing impaired person is identical with the acoustic nerve excitation pattern of the normal hearing person, so as to generate an output sound signal.
摘要翻译： 一种用于经由麦克风处理输入声音信号以便从耳机输出声音信号的助听器装置包括信号处理元件，一对声音神经激励图案计算元件，一对声学滤波器形状记忆元件，比较 元件，校正处理元件等。声学神经激励图案计算元件根据信号处理元件的输出信号和正常的声学滤波器形状来计算正常听力者和听力受损者的声学神经激励模式 听力人和听力障碍者，其被存储在声学滤波器形状的存储元件中。 通过比较元件比较每个声神经激励图案。 然后，校正处理元件校正输入声音信号，使得听力受损者的声神经激励模式与正常听力者的声音神经激励模式相同，以产生输出声音信号。
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公开(公告)号：US20060222193A1
公开(公告)日：2006-10-05
申请号：US11388244
申请日：2006-03-23
申请人： Mikio Tohyama , Michiko Kazama , Yoshinori Takahashi , Kiyoaki Terada , Shinichi Sakamoto , Keisuke Watanuki , Takeshi Nakaichi
发明人： Mikio Tohyama , Michiko Kazama , Yoshinori Takahashi , Kiyoaki Terada , Shinichi Sakamoto , Keisuke Watanuki , Takeshi Nakaichi
IPC分类号： H04R25/00
CPC分类号： H04R25/505 , H04R2430/03
摘要： A hearing aid device for processing an input sound signal via a microphone so as to output a sound signal from an earphone comprises a signal processing element, a couple of acoustic nerve excitation pattern calculation elements, a couple of acoustic filter shape memory elements, a comparison element, a correction processing element, etc. The couple of acoustic nerve excitation pattern calculation elements calculate acoustic nerve excitation patterns of a normal hearing person and a hearing impaired person based on an output signal of the signal processing element and acoustic filter shapes of the normal hearing person and the hearing impaired person which are stored in the couple of acoustic filter shape memory elements. Each of the acoustic nerve excitation patterns is compared via the comparison element. Then, the correction processing element corrects the input sound signal such that the acoustic nerve excitation pattern of the hearing impaired person is identical with the acoustic nerve excitation pattern of the normal hearing person, so as to generate an output sound signal.
摘要翻译： 一种用于经由麦克风处理输入声音信号以便从耳机输出声音信号的助听器装置包括信号处理元件，一对声音神经激励图案计算元件，一对声学滤波器形状记忆元件，比较 元件，校正处理元件等。声学神经激励图案计算元件根据信号处理元件的输出信号和正常的声学滤波器形状来计算正常听力者和听力受损者的声学神经激励模式 听力人和听力障碍者，其被存储在声学滤波器形状的存储元件中。 通过比较元件比较每个声神经激励图案。 然后，校正处理元件校正输入声音信号，使得听力受损者的声神经激励模式与正常听力者的声音神经激励模式相同，以产生输出声音信号。
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7.发明申请Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatus 失效多声道回声消除法，多声道声音传输法，立体声回波消除器，立体声传输装置及传递函数计算装置公开(公告)号：US20070258579A1
公开(公告)日：2007-11-08
申请号：US11825301
申请日：2007-07-05
申请人： Toru Hirai , Mikio Tohyama , Hiraku Okumura , Yoshikazu Honji , Hiroshi Iriyama , Koji Niimi
发明人： Toru Hirai , Mikio Tohyama , Hiraku Okumura , Yoshikazu Honji , Hiroshi Iriyama , Koji Niimi
IPC分类号： H04M9/08
摘要： Stereo sound signals are reproduced directly from loudspeakers (SP(L), SP(R)). By using a sum signal and a difference signal of the stereo sound signals as a reference signal, and according to a cross spectrum calculation of the reference signal with a microphone-collected sound signal, calculation is performed to obtain transfer functions of four sound transfer systems between the loudspeakers (SP(L), SP(R)) and microphones (MC(L), MC(R)). The transfer functions obtained are subjected to inverse Fourier transform to obtain impulse responses, which are set in filter means (40-1 to 40-4) to create echo cancel signals and perform echo canceling. This solves the problem of an indefinite coefficient in the echo cancel technique of a multi-channel sound signal.
摘要翻译： 立体声信号直接从扬声器（SP（L），SP（R））再现。 通过使用立体声信号的和信号和差分信号作为参考信号，并且根据具有麦克风收集的声音信号的参考信号的交叉频谱计算，执行计算以获得四个声音传送系统的传递函数 扬声器（SP（L），SP（R））和麦克风（MC（L），MC（R））之间。 所获得的传递函数进行傅里叶逆变换以获得脉冲响应，其被设置在滤波器装置（40-1至40-4）中以产生回波消除信号并执行回波消除。 这解决了多声道声音信号的回波消除技术中不确定系数的问题。
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公开(公告)号：US20070258578A1
公开(公告)日：2007-11-08
申请号：US11825270
申请日：2007-07-05
申请人： Toru Hirai , Mikio Tohyama , Hiraku Okumura , Yoshikazu Honji , Hiroshi Iriyama , Koji Niimi
发明人： Toru Hirai , Mikio Tohyama , Hiraku Okumura , Yoshikazu Honji , Hiroshi Iriyama , Koji Niimi
IPC分类号： H04M9/08
摘要： Stereo sound signals are reproduced directly from loudspeakers (SP(L), SP(R)). By using a sum signal and a difference signal of the stereo sound signals as a reference signal, and according to a cross spectrum calculation of the reference signal with a microphone-collected sound signal, calculation is performed to obtain transfer functions of four sound transfer systems between the loudspeakers (SP(L), SP(R)) and microphones (MC(L), MC(R)). The transfer functions obtained are subjected to inverse Fourier transform to obtain impulse responses, which are set in filter means (40-1 to 40-4) to create echo cancel signals and perform echo canceling. This solves the problem of an indefinite coefficient in the echo cancel technique of a multi-channel sound signal.
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9.发明申请公开(公告)号：US20070225979A1
公开(公告)日：2007-09-27
申请号：US11726077
申请日：2007-03-20
IPC分类号： G10L15/00
摘要： A similarity degree estimation method is performed by two processes. In a first process, an inter-band correlation matrix is created from spectral data of an input voice such that the spectral data are divided into a plurality of discrete bands which are separated from each other with spaces therebetween along a frequency axis, a plurality of envelope components of the spectral data are obtained from the plurality of the discrete bands, and elements of the inter-band correlation matrix are correlation values between the respective envelope components of the input voice. In a second process, a degree of similarity is calculated between a pair of input voices to be compared with each other by using respective inter-band correlation matrices obtained for the pair of the input voices through the inter-band correlation matrix creation process.
摘要翻译： 通过两个处理执行相似度估计方法。 在第一过程中，从输入声音的频谱数据创建带间相关矩阵，使得频谱数据被划分成多个彼此分离的离散频带，沿着频率轴彼此分开，其间具有空格;多个 从多个离散频带获得频谱数据的包络分量，并且带间相关矩阵的元素是输入语音的各个包络分量之间的相关值。 在第二过程中，通过使用通过频带间相关矩阵创建处理为通过输入声音对获得的相应带间相关矩阵，计算要彼此比较的一对输入语音之间的相似度。
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公开(公告)号：US5987143A
公开(公告)日：1999-11-16
申请号：US823367
申请日：1997-03-24
CPC分类号： H04M9/082
摘要： An acoustic echo erasing apparatus which generates a pseudo-echo component from an audio reception signal (a vector x.sub.1) using an adaptive filter, and removes the pseudo-echo component from an audio transmission signal (a vector y). The apparatus extracts a feedback component depending only on the audio reception signal from the audio transmission signal, and passes the audio reception signal through the adaptive filter to generate the pseudo-echo component while setting a transfer characteristic of the adaptive filter in accordance with the feedback component.
摘要翻译： 一种声学回波消除装置，其使用自适应滤波器从音频接收信号（矢量x1）生成伪回波分量，并从音频传输信号（矢量y）中去除伪回波分量。 该设备仅根据来自音频传输信号的音频接收信号提取反馈分量，并且通过自适应滤波器传递音频接收信号，以产生伪回波分量，同时根据反馈设置自适应滤波器的传输特性 零件。
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