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11. 发明申请

US20110224976A1 SPEECH INTELLIGIBILITY PREDICTOR AND APPLICATIONS THEREOF 有权
标题翻译：语音智能预测及其应用
公开(公告)号：US20110224976A1
公开(公告)日：2011-09-15
申请号：US13045303
申请日：2011-03-10
申请人： Cees H. TAAL , Richard Hendriks , Richard Heusdens , Ulrik Kjems , Jesper Jensen
发明人： Cees H. TAAL , Richard Hendriks , Richard Heusdens , Ulrik Kjems , Jesper Jensen
IPC分类号： G10L21/02
CPC分类号： G10L25/69
摘要： The application relates to a method of providing a speech intelligibility predictor value for estimating an average listener's ability to understand of a target speech signal when said target speech signal is subject to a processing algorithm and/or is received in a noisy environment. The application further relates to a method of improving a listener's understanding of a target speech signal in a noisy environment and to corresponding device units. The object of the present application is to provide an alternative objective intelligibility measure, e.g. a measure that is suitable for use in a time-frequency environment. The invention may e.g. be used in audio processing systems, e.g. listening systems, e.g. hearing aid systems.
摘要翻译：本申请涉及一种提供语音清晰度预测值的方法，用于当所述目标语音信号经受处理算法和/或在噪声环境中被接收时，估计平均听众理解目标语音信号的能力。该应用还涉及一种改善听众对嘈杂环境中的目标语音信号的理解以及对应的设备单元的方法。本申请的目的是提供替代的目标可懂度度量，例如，适合在时频环境中使用的措施。本发明可以例如用于音频处理系统，例如收听系统，例如助听器系统。

12. 发明授权

US07788090B2 Combined audio coding minimizing perceptual distortion 有权
标题翻译：组合音频编码最小化感知失真
公开(公告)号：US07788090B2
公开(公告)日：2010-08-31
申请号：US11575149
申请日：2005-09-02
申请人： Steven Leonardus Josephus Dimphina Elisabeth Van De Par , Nicolle Hanneke Van Schijndel , Valery Stephanovich Kot , Richard Heusdens
发明人： Steven Leonardus Josephus Dimphina Elisabeth Van De Par , Nicolle Hanneke Van Schijndel , Valery Stephanovich Kot , Richard Heusdens
IPC分类号： G10L19/00 , G10L19/02
CPC分类号： G10L19/002 , G10L19/22
摘要： An audio encoder in which two or more preferably different encoders cooperate to generate a joint encoded audio signal. Encoding parameters of the two or more encoders are optimized in response to a measure of distortion of the joint encoded audio signal in accordance with a predetermined criterion. The distortion. measure is preferably a perceptual distortion measure. In one encoder embodiment comprising a sinusoidal and a waveform encoder, a constant total bit rate for each audio frame is distributed between the two encoders so as to minimize perceptual distortion for both the first and the second encoder. Other embodiments consider a set of encoding parameters that is larger than only those that minimize the perceptual distortion of the first encoder. In some embodiments, perceptual distortion may be minimized by optimizing encoding via optimizing entire encoding templates, i.e. a complex set of encoding parameters, for the separate encoders. The separate encoders may either be cascaded or operate in parallel, or in a combination of these. Two or more audio segments are preferably taken into account in the optimizing procedure. A corresponding audio decoder comprises separate decoders corresponding to the separate encoders of the audio encoder that encoded the audio signal. Decoded signal parts from these decoders are then added to produce the final audio signal. The presented audio encoding is efficient and provides a high sound quality because the encoding scheme is flexible and adapts to specific demands for each audio excerpt.
摘要翻译：一种音频编码器，其中两个或更多个优选地不同的编码器协作以产生联合编码的音频信号。响应于根据预定标准对联合编码音频信号的失真的测量，优化两个或更多个编码器的编码参数。失真。度量优选是感知失真度量。在包括正弦曲线和波形编码器的一个编码器实施例中，每个音频帧的恒定总比特率分布在两个编码器之间，以便最小化第一和第二编码器的感知失真。其他实施例考虑一组编码参数，其大于仅使最小化第一编码器的感知失真的编码参数。在一些实施例中，可以通过优化编码，通过优化整个编码模板（即编码参数的复杂集合）来分离编码器来最小化感知失真。单独的编码器可以级联或并联操作，也可以组合使用。在优化过程中优选考虑两个或多个音频段。对应的音频解码器包括对应于编码音频信号的音频编码器的分离编码器的单独的解码器。然后添加来自这些解码器的解码信号部分以产生最终音频信号。所呈现的音频编码是有效的并且提供高音质，因为编码方案是灵活的并且适应于每个音频片段的特定需求。

13. 发明授权

US09659571B2 System and method for emitting and especially controlling an audio signal in an environment using an objective intelligibility measure 有权
公开(公告)号：US09659571B2
公开(公告)日：2017-05-23
申请号：US14116995
申请日：2011-05-11
申请人： Hans Van Der Schaar , Oosterom Han , Richard Heusdens , Richard Hendriks
发明人： Hans Van Der Schaar , Oosterom Han , Richard Heusdens , Richard Hendriks
IPC分类号： G10L21/02 , H04R29/00 , G08B3/10
CPC分类号： G10L21/02 , G08B3/10 , H04R29/00 , H04R29/007 , H04R2227/009
摘要： Public address systems or other systems for emitting audio signals, like music, speech or announcements, in different locations like supermarkets, schools, universities, and auditoriums are widely known. In one embodiment, invention proposes a system for emitting an audio signal in an environment. The system includes an audio source for providing the audio signal and at least one loudspeaker for emitting the audio signal. The system also includes at least one microphone for receiving an acoustic signal from the environment. The acoustic signal is based on the audio signal and may comprise disturbing components. The system also includes an analyzing module for analyzing the acoustic signal and for providing an intelligibility measure from an objective intelligibility measure method. The intelligibility measure is used as a feedback signal.

14. 发明授权

US07269549B2 Frequency-differential encoding a sinusoidal model parameters 失效
标题翻译：频差编码正弦模型参数
公开(公告)号：US07269549B2
公开(公告)日：2007-09-11
申请号：US10270948
申请日：2002-10-15
申请人： Jesper Jensen , Richard Heusdens
发明人： Jesper Jensen , Richard Heusdens
IPC分类号： G10L19/00
CPC分类号： G10L19/02
摘要： An encoding method is characterised by a step of encoding parameters of a given sinusoidal component in encoded frames either differentially relative to other components in the same frame or directly, i.e. without differential encoding. Whether the encoding is differential or direct is decided algorithmically. A first type of algorithm produces an optimal result using a method derived from graph theory. An alternative algorithm, which is less computing intensive, provides an approximate result by an iterative greedy search algorithm.
摘要翻译：一种编码方法的特征在于对编码的帧中的给定正弦分量的参数相对于相同帧中的其他分量进行差分编码或直接编码，即无差分编码的步骤。算法决定编码是差分还是直接。第一种类型的算法使用从图论导出的方法产生最佳结果。计算密集度较低的替代算法通过迭代贪心搜索算法提供了近似的结果。

15. 发明申请

US20060149539A1 Method for separating a sound frame into sinusoidal components and residual noise 审中-公开
标题翻译：将声音帧分离为正弦分量和残余噪声的方法
公开(公告)号：US20060149539A1
公开(公告)日：2006-07-06
申请号：US10536259
申请日：2003-10-29
申请人： Nicolle Van Schijndel , Mireia Gomez Fuentes , Richard Heusdens
发明人： Nicolle Van Schijndel , Mireia Gomez Fuentes , Richard Heusdens
IPC分类号： G10L19/12
CPC分类号： G10L19/093
摘要： This invention relates to a method of determining (10) a second sound frame (20) representing sinusoidal components and an optionally third sound frame (30) representing a residual from a provided first sound frame, the method includes the steps of: determining a sinusoidal component in the first sound frame among non extracted components; determining an importance measure (40) for the first sound frame; extracting the sinusoidal component from the first sound frame, and incorporating the sinusoidal component in the second sound frame; and repeating said steps until the importance measure fulfils a stop criterion (50). In the method, the step of determining an importance measure for the first sound frame can be executed before said third step or it can be executed between said third and fourth step. Said method further includes the step of: setting the third sound frame to the first sound frame, when the importance measure fulfils said stop criterion. This enables for that only necessarily sinusoidal components are extracted for use in a subsequent compression.
摘要翻译：本发明涉及一种确定（10）表示正弦分量的第二声音帧（20）和表示来自所提供的第一声音帧的残差的任选的第三声音帧（30）的方法，所述方法包括以下步骤：确定正弦曲线非提取组件中第一个声音帧中的分量; 确定第一声音帧的重要性度量（40）; 从第一声音帧提取正弦分量，并将正弦分量合并在第二声音帧中; 并重复所述步骤，直到重要性测量满足停止标准（50）。在该方法中，可以在所述第三步骤之前执行确定第一声音帧的重要性度量的步骤，或者可以在所述第三和第四步骤之间执行步骤。所述方法还包括以下步骤：当重要性测量满足所述停止标准时，将第三声音帧设置到第一声音帧。这使得只有必要的正弦分量被提取用于随后的压缩。

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