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1. 发明申请

US20050276363A1 Subtractive cancellation of harmonic noise 失效
标题翻译：谐波噪声的消除消除
公开(公告)号：US20050276363A1
公开(公告)日：2005-12-15
申请号：US11138243
申请日：2005-05-25
申请人： Frank Joublin , Martin Heckmann , Bjorn Scholling
发明人： Frank Joublin , Martin Heckmann , Bjorn Scholling
IPC分类号： G10L21/0208 , H04B1/10
CPC分类号： G10L21/0208 , G10L2021/02085
摘要： A common problem in audio processing is that a useful signal is disturbed by one or more sinusoidal noises that should be suppressed. One embodiment of the invention provides a method of canceling a sinusoidal disturbance of unknown frequency in a disturbed useful signal. The method comprises the steps of estimating parameters of the sinusoidal disturbance including amplitude, phase and frequency; generating a reference signal on the basis of the estimated parameters; and subtracting the reference signal from the disturbed useful signal. According to one embodiment of the present invention, the estimation is performed by an Extended Kalman filter.
摘要翻译：音频处理中的常见问题在于有用的信号被一个或多个被抑制的正弦噪声所扰乱。本发明的一个实施例提供了一种在受干扰的有用信号中消除未知频率的正弦波干扰的方法。该方法包括估计包括振幅，相位和频率在内的正弦波干扰参数的步骤; 基于所估计的参数产生参考信号; 并从干扰的有用信号中减去参考信号。根据本发明的一个实施例，通过扩展卡尔曼滤波器进行估计。

2. 发明申请

US20080234959A1 Pitch Extraction with Inhibition of Harmonics and Sub-harmonics of the Fundamental Frequency 有权
标题翻译：基频抑制谐波和次谐波的间距提取
公开(公告)号：US20080234959A1
公开(公告)日：2008-09-25
申请号：US12037892
申请日：2008-02-26
申请人： Frank Joublin , Martin Heckmann
发明人： Frank Joublin , Martin Heckmann
IPC分类号： G01R23/00 , G06F17/10
CPC分类号： G10L25/90 , G10L25/18
摘要： The fundamental frequency of a harmonic signal is estimated by forming a fundamental frequency hypothesis (f0′). A comb filter is provided based on the fundamental frequency hypothesis. The harmonic signal is filtered using the comb filter. The fundamental frequency hypothesis is tested for each tooth in the comb filter. A signal indicating an estimated fundamental frequency of the provided harmonic signal may be outputted based on the testing.
摘要翻译：通过形成基频（f0'）来估计谐波信号的基频。基于频率假设提供梳状滤波器。使用梳状滤波器对谐波信号进行滤波。对梳状滤波器中的每个齿进行基频测试。可以基于测试输出指示所提供的谐波信号的估计基频的信号。

3. 发明授权

US08150062B2 Determination of the adequate measurement window for sound source localization in echoic environments 有权
标题翻译：确定回声环境中声源定位的适当测量窗口
公开(公告)号：US08150062B2
公开(公告)日：2012-04-03
申请号：US11619832
申请日：2007-01-04
申请人： Frank Joublin , Martin Heckmann
发明人： Frank Joublin , Martin Heckmann
IPC分类号： H04R3/00
CPC分类号： G01S5/22 , G01S3/8083
摘要： A method for sound source localization comprises the steps of computing an envelope of a signal; performing a non-linear, onset preserving smoothing of the envelope; and evaluating cues for sound source localization, using the points where the smoothing changes from its rising phase to its falling phase as measurement points.
摘要翻译：声源定位的方法包括以下步骤：计算信号的包络; 执行信封的非线性，起始保存平滑; 并使用平滑从其上升阶段到下降阶段的点作为测量点来评估声源定位的提示。

4. 发明申请

US20060009968A1 Unified treatment of resolved and unresolved harmonics 失效
标题翻译：解决和未解决的谐波的统一处理
公开(公告)号：US20060009968A1
公开(公告)日：2006-01-12
申请号：US11142095
申请日：2005-05-31
申请人： Frank Joublin , Martin Heckmann
发明人： Frank Joublin , Martin Heckmann
IPC分类号： G10L21/00
CPC分类号： G10L21/0272 , G10L25/18
摘要： One embodiment of the present invention provides a post-processing method of a modulation envelope resulting from an interference of two harmonics in a filter band. According to one embodiment, the method comprising filtering the modulation envelope with a band-pass filter bank, wherein a combination of demodulation and application of the band-pass filter on the modulation envelope enables use of identical techniques for resolved and unresolved harmonics. One embodiment of the present invention provides a method of determining whether a frequency band of an input signal includes unresolved harmonics. According to a further embodiment, in response to a determination that the frequency band includes unresolved harmonics, the method comprises obtaining a modulation envelope of the frequency band by demodulating the frequency band, obtaining one or more frequency bands from the modulation envelope, and determining an evidence value that one of the frequency bands originates from one of fundamental frequencies.
摘要翻译：本发明的一个实施例提供了由滤波器带中的两个谐波的干扰导致的调制包络的后处理方法。根据一个实施例，该方法包括用带通滤波器组对调制包络进行滤波，其中调制包络上的带通滤波器的解调和应用的组合使得能够使用相同的技术来解决和未解决的谐波。本发明的一个实施例提供一种确定输入信号的频带是否包括未解决的谐波的方法。根据另一实施例，响应于确定频带包括未解决的谐波，该方法包括通过解调频带来获得频带的调制包络，从调制包络获得一个或多个频带，并且确定其中一个频带来自基频之一的证据值。

5. 发明授权

US07895033B2 System and method for determining a common fundamental frequency of two harmonic signals via a distance comparison 有权
标题翻译：通过距离比较确定两个谐波信号的共同基频的系统和方法
公开(公告)号：US07895033B2
公开(公告)日：2011-02-22
申请号：US11142879
申请日：2005-05-31
申请人： Frank Joublin , Martin Heckmann
发明人： Frank Joublin , Martin Heckmann
IPC分类号： G10L11/00
CPC分类号： G10L25/48 , G10L15/20
摘要： One embodiment of the present invention provides a method of determining an evidence value capturing whether two band-pass signals are harmonics of a common fundamental frequency. A further embodiment of the present invention evaluates the distance between significant points of a signal such as a sinusoidal signal. One embodiment of the present invention provides a method of determining whether two or more band-pass signals are harmonics of a fundamental frequency, comprising evaluating a first distance between a first set of two or more significant points of a first band-pass signal, evaluating a second distance between a second set of two or more significant points of a second band-pass signal, and comparing the first distance to the second distance to determine whether the first and second signals are harmonics of the fundamental frequency.
摘要翻译：本发明的一个实施例提供一种确定两个带通信号是否为公共基频的谐波的证据值的方法。本发明的另一实施例评估诸如正弦信号的信号的有效点之间的距离。本发明的一个实施例提供了一种确定两个或更多个带通信号是否是基频的谐波的方法，包括评估第一带通信号的两个或更多有效点的第一组之间的第一距离，评估在第二带通信号的两个或更多有效点的第二组之间的第二距离，并且将第一距离与第二距离进行比较，以确定第一和第二信号是否是基频的谐波。

6. 发明申请

US20070160241A1 DETERMINATION OF THE ADEQUATE MEASUREMENT WINDOW FOR SOUND SOURCE LOCALIZATION IN ECHOIC ENVIRONMENTS 有权
标题翻译：用于环境环境中声源定位的饱和度测量窗口的确定
公开(公告)号：US20070160241A1
公开(公告)日：2007-07-12
申请号：US11619832
申请日：2007-01-04
申请人： Frank Joublin , Martin Heckmann
发明人： Frank Joublin , Martin Heckmann
IPC分类号： H04R5/02 , H03G7/00
CPC分类号： G01S5/22 , G01S3/8083
摘要： A method for sound source localization comprises the steps of computing an envelope of a signal; performing a non-linear, onset preserving smoothing of the envelope; and evaluating cues for sound source localization, using the points where the smoothing changes from its rising phase to its falling phase as measurement points.
摘要翻译：声源定位的方法包括以下步骤：计算信号的包络; 执行信封的非线性，起始保存平滑; 并使用平滑从其上升相位到下降阶段的点作为测量点来评估声源定位的提示。

7. 发明申请

US20060195500A1 Determination of a common fundamental frequency of harmonic signals 有权
标题翻译：确定谐波信号的共同基频
公开(公告)号：US20060195500A1
公开(公告)日：2006-08-31
申请号：US11340918
申请日：2006-01-26
申请人： Frank Joublin , Martin Heckmann
发明人： Frank Joublin , Martin Heckmann
IPC分类号： G06F17/10
CPC分类号： G10L25/90
摘要： Techniques are provided for determining the time course of the fundamental frequency of harmonic signals, wherein the input signal is split into different frequency channels by band pass filters. Distances between crossings of different orders are determined, and a histogram of all these distance values for each instant in time is calculated. The distance values build a peak at the distance corresponding to the fundamental frequency. An example application of this technique is separation of acoustic sound sources in monaural recordings based on their underlying fundamental frequency. Application of these techniques, however, is not limited to the field of acoustics. These techniques can also be applied to other signals such as those originating from pressure sensors.
摘要翻译：提供了用于确定谐波信号的基频的时间过程的技术，其中通过带通滤波器将输入信号分成不同的频率信道。确定不同订单的交叉点之间的距离，并计算每个时刻的所有这些距离值的直方图。距离值在与基频对应的距离处建立峰值。该技术的一个示例应用是基于其基础频率在单声道录音中分离声学声源。然而，这些技术的应用不限于声学领域。这些技术也可以应用于诸如来自压力传感器的那些信号。

8. 发明授权

US07881926B2 Joint estimation of formant trajectories via bayesian techniques and adaptive segmentation 有权
标题翻译：通过贝叶斯技术和自适应分割联合估计共振峰轨迹
公开(公告)号：US07881926B2
公开(公告)日：2011-02-01
申请号：US11858743
申请日：2007-09-20
申请人： Frank Joublin , Martin Heckmann , Claudius Glaeser
发明人： Frank Joublin , Martin Heckmann , Claudius Glaeser
IPC分类号： G10L21/00 , G10L19/06
CPC分类号： G10L25/48 , G10L25/15
摘要： The invention relates to the field of automated processing of speech signals and particularly to a method for tracking the formant frequencies in a speech signal, comprising the steps of: obtaining an auditory image of the speech signal; sequentially estimating formant locations; segmenting the frequency range into sub-regions; smoothing the obtained component filtering distributions; and calculating exact formant locations.
摘要翻译：本发明涉及语音信号的自动处理领域，特别涉及用于跟踪语音信号中的共振峰频率的方法，包括以下步骤：获得语音信号的听觉图像; 顺序地估计共振峰位置; 将频率范围分割为子区域; 平滑所获得的分量滤波分布; 并计算确切的共振峰位置。

9. 发明申请

US20080082322A1 Joint Estimation of Formant Trajectories Via Bayesian Techniques and Adaptive Segmentation 有权
标题翻译：通过贝叶斯技术和自适应分割联合估计先形轨迹
公开(公告)号：US20080082322A1
公开(公告)日：2008-04-03
申请号：US11858743
申请日：2007-09-20
申请人： Frank Joublin , Martin Heckmann , Claudius Glaeser
发明人： Frank Joublin , Martin Heckmann , Claudius Glaeser
IPC分类号： G10L19/06
CPC分类号： G10L25/48 , G10L25/15
摘要： The invention relates to the field of automated processing of speech signals and particularly to a method for tracking the formant frequencies in a speech signal, comprising the steps of: obtaining an auditory image of the speech signal; sequentially estimating formant locations; segmenting the frequency range into sub-regions; smoothing the obtained component filtering distributions; and calculating exact formant locations.
摘要翻译：本发明涉及语音信号的自动处理领域，特别涉及用于跟踪语音信号中的共振峰频率的方法，包括以下步骤：获得语音信号的听觉图像; 顺序地估计共振峰位置; 将频率范围分割为子区域; 平滑所获得的分量滤波分布; 并计算确切的共振峰位置。

10. 发明授权

US08185382B2 Unified treatment of resolved and unresolved harmonics 失效
标题翻译：解决和未解决的谐波的统一处理
公开(公告)号：US08185382B2
公开(公告)日：2012-05-22
申请号：US11142095
申请日：2005-05-31
申请人： Frank Joublin , Martin Heckmann
发明人： Frank Joublin , Martin Heckmann
IPC分类号： G10L19/14 , G10L11/04 , G10L19/00
CPC分类号： G10L21/0272 , G10L25/18
摘要： One embodiment of the present invention provides a post-processing method of a modulation envelope resulting from an interference of two harmonics in a filter band. According to one embodiment, the method comprising filtering the modulation envelope with a band-pass filter bank, wherein a combination of demodulation and application of the band-pass filter on the modulation envelope enables use of identical techniques for resolved and unresolved harmonics.One embodiment of the present invention provides a method of determining whether a frequency band of an input signal includes unresolved harmonics. According to a further embodiment, in response to a determination that the frequency band includes unresolved harmonics, the method comprises obtaining a modulation envelope of the frequency band by demodulating the frequency band, obtaining one or more frequency bands from the modulation envelope, and determining an evidence value that one of the frequency bands originates from one of fundamental frequencies.
摘要翻译：本发明的一个实施例提供了由滤波器带中的两个谐波的干扰导致的调制包络的后处理方法。根据一个实施例，该方法包括用带通滤波器组对调制包络进行滤波，其中调制包络上的带通滤波器的解调和应用的组合使得能够使用相同的技术来解决和未解决的谐波。本发明的一个实施例提供一种确定输入信号的频带是否包括未解决的谐波的方法。根据另一实施例，响应于确定频带包括未解决的谐波，该方法包括通过解调频带来获得频带的调制包络，从调制包络获得一个或多个频带，并且确定其中一个频带来自基频之一的证据值。

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