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    • 1. 发明授权
    • Apparatus and method for automatic extraction of important events in audio signals
    • 自动提取音频信号中重要事件的装置和方法
    • US08635065B2
    • 2014-01-21
    • US10985446
    • 2004-11-10
    • Silke Goronzy-ThomaeThomas KempRalf KompeYin Hay LamKrzysztof MarasekRaquel Tato
    • Silke Goronzy-ThomaeThomas KempRalf KompeYin Hay LamKrzysztof MarasekRaquel Tato
    • G10L15/06G10L21/00G10L19/12G10L19/14G10L17/00
    • G10L25/00G10L15/00G10L17/26
    • The present invention discloses an apparatus for automatic extraction of important events in audio signals comprising: signal input means for supplying audio signals; audio signal fragmenting means for partitioning audio signals supplied by the signal input means into audio fragments of a predetermined length and for allocating a sequence of one or more audio fragments to a respective audio window; feature extracting means for analyzing acoustic characteristics of the audio signals comprised in the audio fragments and for analyzing acoustic characteristics of the audio signals comprised in the audio windows; and important event extraction means for extracting important events in audio signals supplied by the audio signal fragmenting means based on predetermined important event classifying rules depending on acoustic characteristics of the audio signals comprised in the audio fragments and on acoustic characteristics of the audio signals comprised in the audio windows, wherein each important event extracted by the important event extraction means comprises a discrete sequence of cohesive audio fragments corresponding to an important event included in the audio signals.
    • 本发明公开了一种用于自动提取音频信号中的重要事件的装置,包括:用于提供音频信号的信号输入装置; 用于将由信号输入装置提供的音频信号划分成预定长度的音频片段并用于将一个或多个音频片段的序列分配到相应音频窗口的音频信号分段装置; 特征提取装置,用于分析包含在音频片段中的音频信号的声学特性并分析包含在音频窗口中的音频信号的声学特性; 以及重要事件提取装置,用于根据包含在音频片段中的音频信号的声学特性以及包含在音频片段中的音频信号的声学特性,基于预定的重要事件分类规则,提取由音频信号分段装置提供的音频信号中的重要事件。 音频窗口,其中由重要事件提取装置提取的每个重要事件包括对应于包括在音频信号中的重要事件的粘性音频片段的离散序列。
    • 2. 发明授权
    • Apparatus and method for segmentation of audio data into meta patterns
    • 将音频数据分割为元模式的装置和方法
    • US07680654B2
    • 2010-03-16
    • US10985615
    • 2004-11-10
    • Silke GoronzyThomas KempRalf KompeYin Hay LamKrzysztof MarasekRaquel Tato
    • Silke GoronzyThomas KempRalf KompeYin Hay LamKrzysztof MarasekRaquel Tato
    • G10L15/00G10L15/20
    • G10L25/00
    • An audio data segmentation apparatus for segmenting of audio data including for supplying audio data, dividing the audio data supplied into audio clips of a predetermined length, discriminating the audio clips into predetermined audio classes, the audio classes identifying a kind of audio data included in the respective audio clip and segmenting for segmenting the audio data into audio meta patterns based on a sequence of audio classes of consecutive audio clips, each meta pattern being allocated to a predetermined type of contents of the audio data. It is difficult to achieve good results with known methods for segmentation of audio data into meta patterns since the rules for the allocation of the meta patterns are dissatisfying. This problem is solved by the inventive audio data segmentation apparatus further including a program database including program data units to identify a certain kind of program, a plurality of respective audio meta patterns being allocated to each program data unit, wherein the segmenting segments the audio data into corresponding audio meta patterns on the basis of the program data units of the program database 5.
    • 一种用于分割音频数据的音频数据分割装置,包括用于提供音频数据,将提供的音频数据分成预定长度的音频剪辑,将音频剪辑识别为预定音频类别,识别包括在音频数据中的音频数据的种类的音频类别 相应的音频剪辑和分段,用于基于连续音频剪辑的音频类别序列将音频数据分割成音频元模式,每个元模式被分配给音频数据的预定类型的内容。 由于元模式的分配规则不满意,因此将音频数据分割为元模式的已知方法难以获得良好的结果。 本发明的音频数据分割装置还包括程序数据库,该程序数据库包括用于识别特定类型的程序的程序数据单元,分配给每个程序数据单元的多个各自的音频元模式,其中分段将音频数据分段 基于程序数据库5的程序数据单元转换成对应的音频元模式。
    • 4. 发明申请
    • Apparatus and method for automatic extraction of important events in audio signals
    • 自动提取音频信号中重要事件的装置和方法
    • US20050102135A1
    • 2005-05-12
    • US10985446
    • 2004-11-10
    • Silke GoronzyThomas KempRalf KompeYin LamKrzysztof MarasekRaquel Tato
    • Silke GoronzyThomas KempRalf KompeYin LamKrzysztof MarasekRaquel Tato
    • G10L15/00G10L17/26G10L25/00H04N5/91
    • G10L25/00G10L15/00G10L17/26
    • The present invention discloses an apparatus for automatic extraction of important events in audio signals comprising: signal input means for supplying audio signals; audio signal fragmenting means for partitioning audio signals supplied by the signal input means into audio fragments of a predetermined length and for allocating a sequence of one or more audio fragments to a respective audio window; feature extracting means for analysing acoustic characteristics of the audio signals comprised in the audio fragments and for analysing acoustic characteristics of the audio signals comprised in the audio windows; and important event extraction means for extracting important events in audio signals supplied by the audio signal fragmenting means based on predetermined important event classifying rules depending on acoustic characteristics of the audio signals comprised in the audio fragments and on acoustic characteristics of the audio signals comprised in the audio windows, wherein each important event extracted by the important event extraction means comprises a discrete sequence of cohesive audio fragments corresponding to an important event included in the audio signals.
    • 本发明公开了一种用于自动提取音频信号中的重要事件的装置,包括:用于提供音频信号的信号输入装置; 用于将由信号输入装置提供的音频信号划分成预定长度的音频片段并用于将一个或多个音频片段的序列分配到相应音频窗口的音频信号分段装置; 特征提取装置,用于分析包含在音频片段中的音频信号的声学特性并分析包含在音频窗口中的音频信号的声学特性; 以及重要事件提取装置,用于根据包含在音频片段中的音频信号的声学特性以及包含在音频片段中的音频信号的声学特性,基于预定的重要事件分类规则,提取由音频信号分段装置提供的音频信号中的重要事件。 音频窗口,其中由重要事件提取装置提取的每个重要事件包括对应于包括在音频信号中的重要事件的粘性音频片段的离散序列。
    • 5. 发明申请
    • Apparatus and method for classifying an audio signal
    • 对音频信号进行分类的装置和方法
    • US20050131688A1
    • 2005-06-16
    • US10985295
    • 2004-11-10
    • Silke GoronzyThomas KempRalf KompeYin LamKrzysztof MarasekRaquel Tato
    • Silke GoronzyThomas KempRalf KompeYin LamKrzysztof MarasekRaquel Tato
    • G10L15/10G10L15/26G10L25/78G10L15/12
    • G10L25/78G10L15/26G11B2220/20
    • An apparatus for classifying audio signals comprises audio signal clipping means for partitioning audio signals into audio clips, and class discrimination means for discriminating the audio clips provided by the audio signal clipping means into predetermined audio classes based on predetermined audio class classifying rules, by analysing acoustic characteristics of the audio signals comprised in the audio clips, wherein a predetermined audio class classifying rule is provided for each audio class, and each audio class represents a respective kind of audio signals comprised in the corresponding audio clip. The determination process to find acceptable audio class classifying rules for each audio class according to the prior art is depending on both the used raw audio signals and the personal experience of the person conducting the determination process. Thus, the determination process usually is very difficult, time consuming and subjective. Furthermore, there is a high risk that not all possible peculiarities of the different programmes and the different categories the audio signal can belong to is sufficiently accounted for. This problem is solved in the inventive apparatus for classifying audio signals by class discrimination means calculating an audio class confidence value for each audio class assigned to an audio clip, wherein the audio class confidence value indicates the likelihood the respective audio class characterises the respective kind of audio signals comprised in the respective audio clip correctly. Furthermore, the class discrimination means use acoustic characteristics of audio clips of audio classes having a high audio class confidence value to train the respective audio class classifying rule.
    • 用于对音频信号进行分类的装置包括用于将音频信号分割成音频剪辑​​的音频信号限幅装置,以及用于基于预定音频类别分类规则,将由音频信号限幅装置提供的音频片段识别为预定音频类别的类别鉴别装置,通过分析声音 包括在音频剪辑中的音频信号的特征,其中为每个音频类提供预定音频类别分类规则,并且每个音频类表示包括在相应的音频剪辑中的各种音频信号。 根据现有技术,为每个音频类找到可接受的音频类别分类规则的确定过程取决于所使用的原始音频信号和进行确定处理的人的个人经历。 因此,确定过程通常是非常困难,耗时和主观的。 此外,充分考虑到不同于音频信号可能属于不同节目和不同类别的所有可能的特征的高风险。 在本发明的用于对音频信号进行分类的设备中解决了这个问题,该类别鉴别装置为分配给音频剪辑的每个音频类别计算音频类别置信度值,其中,音频类别置信度值表示各个音频类别 包含在相应音频剪辑中的音频信号正确。 此外,等级识别装置使用具有高音频类置信度值的音频类别的音频剪辑的声学特性来训练各个音频类别分类规则。
    • 7. 发明申请
    • Apparatus and method for segmentation of audio data into meta patterns
    • 将音频数据分割为元模式的装置和方法
    • US20050114388A1
    • 2005-05-26
    • US10985615
    • 2004-11-10
    • Silke GoronzyThomas KempRalf KompeYin LamKrzysztof MarasekRaquel Tato
    • Silke GoronzyThomas KempRalf KompeYin LamKrzysztof MarasekRaquel Tato
    • G10L25/00G06F17/00
    • G10L25/00
    • An audio data segmentation apparatus for segmenting of audio data comprises audio data input means for supplying audio data, audio data clipping means for dividing the audio data supplied by the audio data input means into audio clips of a predetermined length, class discrimination means for discriminating the audio clips supplied by the audio data clipping means into predetermined audio classes, the audio classes identifying a kind of audio data included in the respective audio clip and segmenting means for segmenting the audio data into audio meta patterns based on a sequence of audio classes of consecutive audio clips, each meta pattern being allocated to a predetermined type of contents of the audio data. It is difficult to achieve good results with known methods for segmentation of audio data into meta patterns since the rules for the allocation of the meta patterns are dissatisfying. This problem is solved by the inventive audio data segmentation apparatus further comprising a programme database comprising programme data units to identify a certain kind of programme, a plurality of respective audio meta patterns being allocated to each programme data unit, wherein the segmenting means segments the audio data into corresponding audio meta patterns on the basis of the programme data units of the programme database 5.
    • 用于分割音频数据的音频数据分割装置包括用于提供音频数据的音频数据输入装置,用于将由音频数据输入装置提供的音频数据分割成预定长度的音频剪辑的音频数据剪辑装置,用于鉴别 由音频数据剪辑装置提供的音频剪辑成预定的音频类别,音频类别标识包括在各个音频剪辑中的一种音频数据,以及分割装置,用于基于连续的音频类别序列将音频数据分割成音频元模式 音频剪辑,每个元模式被分配给音频数据的预定类型的内容。 由于元模式的分配规则不满意,因此将音频数据分割为元模式的已知方法难以获得良好的结果。 本发明的音频数据分割装置还包括程序数据库,该程序数据库包括用于识别某种程序的程序数据单元,分配给每个程序数据单元的多个各自的音频元模式,其中分段装置分割音频 基于程序数据库5的程序数据单元将数据转换成相应的音频元模式。