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    • 2. 发明申请
    • METHOD OF DERIVING A SET OF FEATURES FOR AN AUDIO INPUT SIGNAL
    • 为音频输入信号提供一组特征的方法
    • WO2007046048A1
    • 2007-04-26
    • PCT/IB2006/053787
    • 2006-10-16
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.BREEBAART, Dirk, J.MCKINNEY, Martin, F.
    • BREEBAART, Dirk, J.MCKINNEY, Martin, F.
    • G10H1/00
    • G10H1/0008G10H2210/031G10H2210/041G10H2240/081
    • The invention describes a method of deriving a set of features (S) of an audio input signal (M), which method comprises identifying a number of first-order features (f 1 , f 2 , ... , f f ) of the audio input signal (M), generating a number of correlation values (ρ 1 , ρ 2 , ... , ρ I ) from at least part of the first-order features (f 1 , f 2 , ... , f f ), and compiling the set of features (S) for the audio input signal (M) using the correlation values (ρ 1 , ρ 2 , ..., ρ I ). The invention further describes a method of classifying an audio input signal (M) into a group, and a method of comparing audio input signals (M, M') to determine a degree of similarity between the audio input signals (M, M'). The invention also describes a system (1) for deriving a set of features (S) of an audio input signal (M), a classifying system (4) for classifying an audio input signal (M) into a group, and a comparison system (5) for comparing audio input signals (M, M') to determine a degree of similarity between the audio input signals (M, M').
    • 本发明描述了一种导出音频输入信号(M)的一组特征(S)的方法,该方法包括识别多个一阶特征(f 1,...,f 2) 音频输入信号(M)的多个相关值(α<1>,&lt; 2&gt;,&lt; 从第一阶特征(f 1 1,f 2,...,N 2)的至少一部分, ...,f&lt; f&lt;&gt;),并且使用相关值(α&lt; 1&lt; 1&lt; 1&gt;,&lt; SUB)来编译音频输入信号(M)的特征(S) > 2 ,...,... )。 本发明还描述了一种将音频输入信号(M)分类成一组的方法,以及一种比较音频输入信号(M,M')以确定音频输入信号(M,M')之间的相似程度的方法, 。 本发明还描述了一种用于导出音频输入信号(M)的一组特征(S)的系统(1),用于将音频输入信号(M)分类成一组的分类系统(4)和比较系统 (5),用于比较音频输入信号(M,M')以确定音频输入信号(M,M')之间的相似度。
    • 3. 发明申请
    • METHOD OF GENERATING AND METHODS OF FILTERING A USER PROFILE
    • 生成方法和过滤用户配置文件的方法
    • WO2007057800A2
    • 2007-05-24
    • PCT/IB2006/053977
    • 2006-10-27
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.BREEBAART, Dirk, J.MCKINNEY, Martin, F.
    • BREEBAART, Dirk, J.MCKINNEY, Martin, F.
    • G06F17/30
    • G06F17/30758G06F17/30743G06F17/30766
    • A method of generating a user profile (7;17,19;29) of a user of a device (14,15;23-26) for processing data representative of items of content, a respective recording of at least one perceptible content element being associated with each item of content, includes determining a set (3) containing a plurality of recordings of at least one perceptible content element, each associated with one of a plurality of items of content associated with the user, and generating data representative of a user profile (7;17,19;29) associating preferences of the user with the user, wherein the data representative of the user profile (7;17,19;29) includes one or more parameter values within an at least one-dimensional feature space, each dimension representing a property of at least a section of a recording of at perceptible content element, such that at least one of the dimensions in the feature space represents a quantifiable property of at least a section of a perceptible content element. At least one set of parameter values, each set containing at least one parameter value and quantifying a dimension of the feature space in the user profile (7;17,19;29), is obtained by applying a pre-determined analysis algorithm to each of a plurality of signals, each signal representing at least a section of a recording of at least one perceptible content element, such that the set of parameter values is based on a plurality of the recordings in the set of recordings.
    • 一种用于生成用于处理表示内容项目的数据的设备(14,15; 23-26)的用户的用户简档(7; 17,19; 29)的方法,至少一个可感知内容元素 与每个内容项相关联,包括确定包含至少一个可感知内容元素的多个记录的集合(3),每一个与所述用户相关联的多个内容项之一相关联,并且生成表示 用户简档(7; 17,19; 29)将用户的偏好与用户相关联,其中表示用户简档(7; 17,19; 29)的数据包括至少一维内的一个或多个参数值 特征空间,每个维度表示可感知内容元素的记录的至少一部分的属性,使得特征空间中的至少一个维度表示可感知内容元素的至少一部分的可量化属性。 通过将预定分析算法应用于每个参数值来获得至少一组参数值,每组参数值包含至少一个参数值并量化用户简档(7; 17,19; 29)中的特征空间的维度 每个信号表示至少一个可感知内容元素的记录的至少一部分,使得该组参数值基于该组记录中的多个记录。
    • 6. 发明申请
    • CONTROL OF LIGHT IN RESPONSE TO AN AUDIO SIGNAL
    • 对音频信号的响应控制
    • WO2008053409A1
    • 2008-05-08
    • PCT/IB2007/054343
    • 2007-10-25
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.MCKINNEY, Martin, F.SKOWRONEK, JantoSEKULOVSKI, DraganKATER, Bram
    • MCKINNEY, Martin, F.SKOWRONEK, JantoSEKULOVSKI, DraganKATER, Bram
    • H05B37/02
    • H05B37/029H05B37/0236
    • Method, device and system for generating a light control parameter for controlling light (20), e.g. ambient light, in response to an audio signal (A). The audio signal (A) is analyzed in order to extract a temporal evolution of semantic content of the audio signal (A). A light control parameter is then generated according to the temporal evolution of semantic content of the audio signal (A), either on-line or off-line. This enables generating light that is perceptually aligned with the audio signal, e.g. music. In a preferred embodiment spatial properties of the audio signal (A) are extracted, and separate light control parameters are generated for controlling light sources spatially positioned according to the spatial properties of the audio signal, e.g. for stereo or surround sound systems where light sources are positioned near each loudspeaker. Such embodiment enables spatial correspondence between light and audio. In another preferred embodiment semantically distinct temporal sections of a sequence of the audio signal (A) are determined, e.g. sections of a piece of music, and wherein the light control parameter is generated to reflect these sections of the audio signal (A). Such embodiment enables temporal changes in light that follow perceived changes in e.g. a piece of music. Applications of the described method is e.g. within home entertainment systems, theatres, jukeboxes, bars, restaurants, cinemas and discotheques.
    • 用于产生用于控制光(20)的光控制参数的方法,装置和系统,例如, 环境光,响应于音频信号(A)。 分析音频信号(A)以提取音频信号(A)的语义内容的时间演变。 然后根据在线或离线的音频信号(A)的语义内容的时间演变来生成光控制参数。 这使得能够产生感知地与音频信号对齐的光,例如。 音乐。 在优选实施例中,提取音频信号(A)的空间属性,并且产生单独的光控制参数,用于根据音频信号的空间属性来控制空间定位的光源。 用于立体声或环绕声系统,其中光源位于每个扬声器附近。 这样的实施例能够实现光和音频之间的空间对应。 在另一个优选实施例中,确定音频信号(A)的序列的语义上不同的时间部分,例如, 一段音乐的部分,并且其中生成光控制参数以反映音频信号(A)的这些部分。 这样的实施例能够实现例如在感觉到的变化之后的光的时间变化。 一首音乐。 所述方法的应用是例如。 家庭娱乐系统,剧院,点唱机,酒吧,餐馆,电影院和迪斯科舞厅。