公开(公告)号：US20110317522A1

公开(公告)日：2011-12-29

申请号：US12824248

申请日：2010-06-28

申请人： Dinei Afonso Ferreira Florencio ,  Cha Zhang ,  Flavio Protasio Ribeiro ,  Demba Elimane Ba

发明人： Dinei Afonso Ferreira Florencio ,  Cha Zhang ,  Flavio Protasio Ribeiro ,  Demba Elimane Ba

IPC分类号： G01S3/80

CPC分类号： G01S3/8006

摘要： Described is modeling a room to obtain estimates for walls and a ceiling, and using the model to improve sound source localization by incorporating reflection (reverberation) data into the location estimation computations. In a calibration step, reflections of a known sound are detected at a microphone array, with their corresponding signals processed to estimate wall (and ceiling) locations. In a sound source localization step, when an actual sound (including reverberations) is detected, the signals are processed into hypotheses that include reflection data predictions based upon possible locations, given the room model. The location corresponding to the hypothesis that matches (maximum likelihood) the actual sound data is the estimated location of the sound source.

摘要翻译： 描述的是建模房间以获得墙壁和天花板的估计值，并使用该模型通过将反射（混响）数据并入位置估计计算来改善声源定位。 在校准步骤中，在麦克风阵列处检测到已知声音的反射，其相应的信号被处理以估计墙壁（和天花板）位置。 在声源定位步骤中，当检测到实际声音（包括混响）时，在给定房间模型的情况下，信号被处理成基于可能位置的反射数据预测的假设。 与实际声音数据匹配（最大似然性）的假设对应的位置是声源的估计位置。

公开(公告)号：US20110164760A1

公开(公告)日：2011-07-07

申请号：US12963033

申请日：2010-12-08

申请人： Ryusuke HORIBE ,  Shuji Umeda ,  Fuminori Tanaka ,  Takeshi Inoda ,  Hiroshi Okuno ,  Toru Takahashi

发明人： Ryusuke HORIBE ,  Shuji Umeda ,  Fuminori Tanaka ,  Takeshi Inoda ,  Hiroshi Okuno ,  Toru Takahashi

IPC分类号： H04R3/00

CPC分类号： H04R1/406 ,  G01S3/8006 ,  G01S3/801 ,  G01S3/808 ,  H04R3/005 ,  H04R19/005 ,  H04R29/008 ,  H04R2201/401

摘要： The sound source tracking device of the present invention comprises a plurality of differential microphones having bidirectionality, and a support member adapted to support the plurality of differential microphones such that the plurality of differential microphones are disposed in an array within a given plane. The plurality of differential microphones are supported on the support member such that their principal axes of directionality are approximately orthogonal to the given plane.

摘要翻译： 本发明的声源跟踪装置包括具有双向性的多个差分麦克风和适于支持多个差分麦克风的支撑部件，使得多个差分麦克风被布置在给定平面内的阵列中。 多个差分麦克风被支撑在支撑构件上，使得它们的主方向性的方向性近似垂直于给定的平面。

公开(公告)号：US20110038489A1

公开(公告)日：2011-02-17

申请号：US12605158

申请日：2009-10-23

申请人： Erik Visser ,  Ian Ernan Liu

发明人： Erik Visser ,  Ian Ernan Liu

IPC分类号： H04R3/00

CPC分类号： G10L21/0216 ,  G01S3/8006 ,  G01S3/86 ,  G10L2021/02166

摘要： Based on phase differences between corresponding frequency components of different channels of a multichannel signal, a measure of directional coherency is calculated. Application of such a measure to voice activity detection and noise reduction are also disclosed.

摘要翻译： 基于多通道信号的不同通道的相应频率分量之间的相位差，计算定向一致性的量度。 还公开了将这种措施应用于语音活动检测和噪声降低。

公开(公告)号：US20100315904A1

公开(公告)日：2010-12-16

申请号：US12793227

申请日：2010-06-03

申请人： Kevin BRINKMANN ,  Jörg Hurka ,  Martina Daun ,  Wolfgang Koch ,  Eicke Ruthotto

发明人： Kevin BRINKMANN ,  Jörg Hurka ,  Martina Daun ,  Wolfgang Koch ,  Eicke Ruthotto

IPC分类号： G01S15/00

CPC分类号： G01S3/8083 ,  G01S3/8006

摘要： A direction-finding method and apparatus for detection and tracking of successive bearing angles of sound-emitting targets, wherein intensity plots of successive clock cycles in a waterfall plot show bearing traces of successive bearing angles, and preferred bearing traces are marked by a tracker. In order to automate the setting and deletion of trackers, starting from trace state vectors, which are determined at the time t=k−1, are each associated with one bearing trace and each have a bearing angle as well as its time derivative, which is referred to as the bearing rate, and possibly an intensity and its time derivative, which is referred to as the intensity rate, and trace errors associated with the trace state vectors for the time t=k, predicted state vectors are predicted together with predicted estimation errors. Bearing traces are displayed as a function of a trace quality

摘要翻译： 一种用于检测和跟踪声发射目标的连续支承角度的测向方法和装置，其中瀑布图中连续时钟周期的强度图示出了连续承受角度的轨迹，并且优选的支承轨迹由跟踪器标记。 为了自动化跟踪器的设置和删除，从在时间t = k-1确定的跟踪状态矢量开始，每个都与一个轴承轨迹相关联，并且每个具有一个方位角以及其时间导数， 被称为轴承速率，并且可能的强度及其时间导数（被称为强度率）以及与时间t = k的跟踪状态向量相关联的跟踪误差，预测状态向量与预测的 估计误差。 轴承轨迹显示为跟踪质量的函数

公开(公告)号：US07835908B2

公开(公告)日：2010-11-16

申请号：US10962516

申请日：2004-10-13

申请人： Changkyu Choi ,  Donggeon Kong ,  Bonyoung Lee ,  Sookwon Rang

发明人： Changkyu Choi ,  Donggeon Kong ,  Bonyoung Lee ,  Sookwon Rang

IPC分类号： G10L15/20

CPC分类号： G03B29/00 ,  G01S3/8006 ,  G03B15/00 ,  G06K9/0057

摘要： A method and apparatus for robust speaker localization and a camera control system employing the same are provided. The apparatus for speaker localization includes: a difference spectrum obtaining section which obtains a difference spectrum of a first pseudo-power spectrum for a speech section and a second pseudo-power spectrum for a non-speech section detected in a voice signal output from a microphone array; and a speaker direction estimation section which detects a peak value in any one of the difference spectrum and the first pseudo-power spectrum, and estimates the direction of a speaker based on the direction angle corresponding to the detected peak value.

摘要翻译： 提供了一种用于强大的扬声器定位的方法和装置以及采用该方法和装置的照相机控制系统。 用于扬声器定位的装置包括：差分频谱获取部分，其获得用于语音部分的第一伪功率谱的差分频谱和在从麦克风输出的语音信号中检测到的非语音部分的第二伪功率谱 阵列 以及扬声器方向估计部分，其检测差分频谱和第一伪功率谱中的任何一个中的峰值，并且基于与检测到的峰值对应的方向角度来估计扬声器的方向。

公开(公告)号：US07800978B2

公开(公告)日：2010-09-21

申请号：US11699246

申请日：2007-01-30

申请人： W. Robert Bernecky

发明人： W. Robert Bernecky

IPC分类号： G01S3/80

CPC分类号： G01S3/8006

摘要： A method for utilizing a matched field-processing algorithm employing a number of sensors wherein the sensor output is the measured acoustic data as the first input and is translated to a frequency by applying a Fourier transform to a set of time samples as a data vector output. A replica vector is the second data input as a predicted quantity which is computed by an acoustic model with an assumed acoustic location. The output is an ambiguity surface ranging between zero and one with the highest values indicating the likely position of an acoustic location. The matched field response is generalized by averaging the response over multiple frequencies. A response for an array may be computed by forming beams and then combining them by multiplying each by an eigenray factor before summing. The computation of the response may be further defined by voxel interpolation.

摘要翻译： 一种使用多个传感器的匹配场处理算法的方法，其中传感器输出是测量的声学数据作为第一输入，并且通过将傅里叶变换应用于一组时间样本作为数据向量输出而被转换为频率 。 复制矢量是作为预测量的第二数据输入，其由具有假设声学位置的声学模型计算。 输出是范围在零和一之间的模糊表面，其中最高值表示声学位置的可能位置。 匹配的场响应通过对多个频率上的响应进行平均化来推广。 阵列的响应可以通过形成波束然后通过在求和之前乘以特征线因子来组合来计算。 响应的计算可以通过体元插值进一步定义。

公开(公告)号：US07738319B2

公开(公告)日：2010-06-15

申请号：US11683712

申请日：2007-03-08

申请人： Arnold W. Novick

发明人： Arnold W. Novick

IPC分类号： G01S3/80

CPC分类号： G01S5/18 ,  G01S3/8006 ,  G01S3/8083 ,  G01S11/14

摘要： In one aspect, a method to determine multipath angles of arrival includes performing an autocorrelation on a first signal received at a first received beam from a signal source, performing a cross-correlation between the first signal and a second signal received at a second receive beam from the signal source, and determining an angle of arrival for a first path from the signal source and an angle of arrival for a second path from the signal source based on the autocorrelation and the cross-correlation.

摘要翻译： 一方面，一种确定多路径到达角的方法包括对从信号源的第一接收波束接收的第一信号执行自相关，执行第一信号与在第二接收波束处接收到的第二信号之间的互相关 并且基于自相关和互相关，从信号源确定第一路径的到达角度以及从信号源确定第二路径的到达角度。

公开(公告)号：US20090310444A1

公开(公告)日：2009-12-17

申请号：US12480194

申请日：2009-06-08

申请人： Atsuo Hiroe

发明人： Atsuo Hiroe

IPC分类号： G01S3/80

CPC分类号： G01S3/8006 ,  G01S3/801

摘要： A signal processing apparatus includes: a learning processing unit that finds a separating matrix for separating mixed signals in which outputs from a plurality of sound sources are mixed, by a learning process that applies ICA (Independent Component Analysis) to observed signals including the mixed signals; a separation processing unit that applies the separating matrix to the observed signals to separate the mixed signals and generate separated signals corresponding to each of the sound sources; and a sound source direction estimating unit that computes a sound source direction of each of the generated separated signals. The sound source direction estimating unit calculates cross-covariance matrices between the observed signals and the separated signals in corresponding time segments in time-frequency domain, computes phase differences between elements of the cross-covariance matrices, and computes a sound source direction corresponding to each of the separated signals by applying the computed phase differences.

摘要翻译： 信号处理装置包括：学习处理单元，其通过对包括混合信号的观测信号应用ICA（独立分量分析）的学习处理，找到用于分离来自多个声源的输出的混合信号的分离矩阵 ; 分离处理单元，其将所述分离矩阵应用于所述观测信号，以分离所述混合信号并产生与每个所述声源相对应的分离信号; 以及声源方向估计单元，其计算每个所产生的分离信号的声源方向。 声源方向估计单元在时频域中计算观测信号与相应时间段中的分离信号之间的互协方差矩阵，计算交叉协方差矩阵的元素之间的相位差，并计算对应于每个 通过应用计算出的相位差来分离信号。

公开(公告)号：US20090257312A1

公开(公告)日：2009-10-15

申请号：US12401953

申请日：2009-03-11

申请人： Arnold W. Novick ,  Michael F. Janik ,  Thomas J. McHale ,  Ilya Rozenfeld ,  Kenneth J. McPhillips ,  John R. Short ,  James W. Casalegno

发明人： Arnold W. Novick ,  Michael F. Janik ,  Thomas J. McHale ,  Ilya Rozenfeld ,  Kenneth J. McPhillips ,  John R. Short ,  James W. Casalegno

IPC分类号： G01S3/80

CPC分类号： G01S3/86 ,  G01S3/8006 ,  G01S7/003

摘要： An autonomous sonar system and method provide an arrangement capable of beamforming in three dimensions, detecting loud targets, adaptively beamforming in three dimensions to avoid the loud targets, detecting quiet targets, localizing the loud or quiet targets in range, bearing, and depth, detecting modulation of noise associated with propellers of the loud or quiet targets, generating three dimensional tracks of the loud or quiet targets in bearing, range and depth, making classification of the loud or quiet targets, assigning probabilities to the classifications, and generating classification reports according to the classifications for communication to a receiving station, all without human assistance.

摘要翻译： 自主声纳系统和方法提供了能够在三维中进行波束成形的装置，检测大目标，三维自适应波束成形，以避免大声目标，检测安静目标，定位范围，方位和深度中的大声或安静目标，检测 调制与大声或安静目标的螺旋桨相关的噪声，产生轴承，范围和深度中的大声或安静目标的三维轨道，对大声或安静目标进行分类，将概率分配给分类，并根据 对接收站进行通信的分类，无需人力辅助。

公开(公告)号：US07453770B2

公开(公告)日：2008-11-18

申请号：US11839235

申请日：2007-08-15

申请人： Hans-Ueli Roeck

发明人： Hans-Ueli Roeck

IPC分类号： G01S3/80 ,  H04R3/00

CPC分类号： H04R25/407 ,  G01S3/8006 ,  G01S3/801 ,  G01S3/808 ,  H04R3/005

摘要： In order to locate electromagnetic or acoustic signal sources of a sensor configuration (1 a through 1 c) fitted with at least two electric outputs; where the incidence-dependent transfer functions between the acoustic signals incident on the input(s) of the sensor configuration (1 a through 1 c) and the electric output signals are different, the ratio (7X through 7XX) of the output signal is formed and the result then is correlated with the previously determined ratio function (11).

摘要翻译： 为了定位安装有至少两个电输出的传感器配置（1a至1c）的电磁或声信号源; 其中入射到传感器配置（1a至1c）的输入端之间的声信号与电输出信号之间的入射依赖传递函数不同，所述比值（7×X× 形成输出信号的结果，然后将结果与先前确定的比率函数（11）相关联。