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1. 发明申请

WO2013187986A1 SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR PITCH TRAJECTORY ANALYSIS 审中-公开
标题翻译：系统，方法，设备和电脑可读介质用于投影分析
公开(公告)号：WO2013187986A1
公开(公告)日：2013-12-19
申请号：PCT/US2013/032780
申请日：2013-03-18
申请人： QUALCOMM INCORPORATED
发明人： VISSER, Erik
IPC分类号： G10H1/00 , G10H1/36
CPC分类号： G10L25/90 , G10H1/0008 , G10H1/361 , G10H2210/056 , G10H2210/066 , G10H2210/211 , G10H2250/131 , G10H2250/215 , G10H2250/225 , G10H2250/251
摘要： Systems, methods, and apparatus for pitch trajectory analysis are described. Such techniques may be used to remove vocals and/or vibrato from an audio mixture signal. For example, such a technique may be used to pre-process the signal before an operation to decompose the mixture signal into individual instrument components.
摘要翻译：描述了用于俯仰轨迹分析的系统，方法和装置。这样的技术可以用于从音频混合信号中去除声音和/或颤音。例如，这样的技术可以用于在将混合信号分解成单独的仪器部件的操作之前预处理信号。

2. 发明申请

WO2007070007A1 A METHOD AND SYSTEM FOR EXTRACTING AUDIO FEATURES FROM AN ENCODED BITSTREAM FOR AUDIO CLASSIFICATION 审中-公开
标题翻译：用于从音频分类的编码字幕提取音频特征的方法和系统
公开(公告)号：WO2007070007A1
公开(公告)日：2007-06-21
申请号：PCT/SG2005/000419
申请日：2005-12-14
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. , ZHAO, Ying
发明人： ZHAO, Ying
IPC分类号： G10H1/06 , G10L11/00
CPC分类号： G10L25/78 , G10H2240/051 , G10H2250/225 , G10H2250/235 , G10L15/02 , G10L19/022 , G10L25/18 , G10L25/51
摘要： A method and system for extracting audio features from an encoded bitstream for audio classification. The method comprises partially decoding the encoded bitstream; obtaining uniform window block size spectral coefficients of the encoded bitstream; and extracting audio features based on the uniform window block spectral coefficients.
摘要翻译：一种用于从用于音频分类的编码比特流中提取音频特征的方法和系统。该方法包括对编码的比特流进行部分解码; 获得编码比特流的统一的窗口块大小的频谱系数; 并基于统一的窗口块频谱系数提取音频特征。

3. 发明申请

WO2013026155A1 MULTI-STRUCTURAL, MULTI-LEVEL INFORMATION FORMALIZATION AND STRUCTURING METHOD, AND ASSOCIATED APPARATUS 审中-公开
标题翻译：多结构，多层次信息化和结构化方法及相关设备
公开(公告)号：WO2013026155A1
公开(公告)日：2013-02-28
申请号：PCT/CA2012/050562
申请日：2012-08-16
申请人： ZHIRKOV, Alexander , ORAEVSKY, Alexey , GRICHINE, Andrei , BLONDHEIM, George , WANDINGER, Max , ATTWOOD, Wade
发明人： ZHIRKOV, Alexander , ORAEVSKY, Alexey , GRICHINE, Andrei , BLONDHEIM, George , WANDINGER, Max , ATTWOOD, Wade
IPC分类号： G06F17/00 , G06F5/00 , G10H1/00 , G10H1/06 , G10L11/00 , G10L19/00 , H03M7/30
CPC分类号： G06F17/30091 , G06F17/30221 , G06F17/30598 , G10H1/0008 , G10H2240/091 , G10H2240/181 , G10H2240/325 , G10H2250/225 , G10H2250/571 , G10H2250/575 , G10L19/0017 , H03M7/55
摘要： Systems and methods are provided for structuring information, including analyzing an original digital information file (DIF) to determine an information quantity (IQ) and an information value (IV). An initial manipulation process is applied to the original DIF to form a first resulting DIF, and a subsequent manipulation process applied to the first resulting DIF to form a second resulting DIF, wherein each manipulation process removes at least one element of the processed DIF and/or represents a combination of elements with a representative element and a first indicia of an interrelationship between the representative element and one or more elements in the combination, to reduce the IQ of the processed DIF, while retaining the IV thereof within a threshold. Manipulation processes are successively applied to the previously resulting DIF until successive applications do not achieve a threshold reduction in IQ. The last resulting DIF has a primary structure with a reduced IQ and an IV within the threshold of the original IV.
摘要翻译：提供了用于构造信息的系统和方法，包括分析原始数字信息文件（DIF）以确定信息量（IQ）和信息值（IV）。初始操作过程被应用于原始DIF以形成第一个产生的DIF，以及随后的操作过程被应用于第一个产生的DIF以形成第二个所得的DIF，其中每个操作过程去除被处理的DIF的至少一个元素和/ 或者表示具有代表性元件的元件和代表元件与组合中的一个或多个元件之间的相互关系的第一标记的组合，以便在保持其IV在阈值内的同时降低处理的DIF的IQ。操纵过程被连续应用于先前产生的DIF，直到连续的应用没有实现IQ的阈值降低。最后产生的DIF具有主要结构，智商降低和IV在原始IV的阈值内。

4. 发明申请

WO2004006425A1 波形生成装置及び方法並びに復号装置审中-公开
标题翻译：波形发生装置和方法以及解码器
公开(公告)号：WO2004006425A1
公开(公告)日：2004-01-15
申请号：PCT/JP2003/008228
申请日：2003-06-27
申请人：ソニー株式会社 , 劔持千智 , 井上晃 , 西口正之
发明人：劔持千智 , 井上晃 , 西口正之
IPC分类号： H03B28/00
CPC分类号： G10H7/12 , G10H7/10 , G10H2250/121 , G10H2250/225 , H03B28/00
摘要：特徴量検出手段（２）に渡された特徴量s1をもとに、生成する正弦波の振幅、位相及び周波数が算出されて、初期設定手段（３）に送られる。初期設定手段（３）では、正弦波の最初の２点を算出し、初期値s4として発振器（正弦波生成手段）（４）に送る。発振器（４）は、初期設定手段（３）より指示される初期値に従い、漸化式を用いて波形の各サンプル点の値を順次計算することにより、正弦波信号を生成する。これにより、モジュロアドレッシングを行わずに正弦波生成を行う。
摘要翻译：从发送到特征测量装置（2）的特征s1计算要产生的正弦波的幅度，相位和频率，并将其发送到初始设定装置（3）。初始设定装置（3）计算正弦波的前两点，并将它们作为初始值s4发送到振荡器（正弦波产生装置）（4）。振荡器（4）通过使用根据由初始设定装置（3）给出的初始值的递推公式来顺序地计算波形的采样点的值，以产生由此的波形信号。因此，不进行模寻址，可以产生正弦波。

5. 发明申请

WO2013079524A3 ENHANCED CHROMA EXTRACTION FROM AN AUDIO CODEC 审中-公开
标题翻译：从音频编解码器增强色谱提取
公开(公告)号：WO2013079524A3
公开(公告)日：2013-07-25
申请号：PCT/EP2012073825
申请日：2012-11-28
申请人： DOLBY INT AB
发明人： BISWAS ARIJIT , FINK MARCO , SCHUG MICHAEL
IPC分类号： G10L25/48 , G06F17/30 , G10L19/022 , G10L19/16
CPC分类号： G10L19/02 , G10H1/0008 , G10H1/383 , G10H2210/066 , G10H2250/225 , G10L19/022 , G10L19/038 , G10L21/0388 , G10L25/54
摘要： The present document relates to methods and systems for music information retrieval (MIR). In particular, the present document relates to methods and systems for extracting a chroma vector from an audio signal. A method (900) for determining a chroma vector (100) for a block of samples of an audio signal (301) is described. The method (900) comprises receiving (901) a corresponding block of frequency coefficients derived from the block of samples of the audio signal (301) from a core encoder (412) of a spectral band replication based audio encoder (410) adapted to generate an encoded bitstream (305) of the audio signal (301) from the block of frequency coefficients; and determining (904) the chroma vector (100) for the block of samples of the audio signal (301) based on the received block of frequency coefficients.
摘要翻译：本文件涉及用于音乐信息检索（MIR）的方法和系统。特别地，本文件涉及从音频信号中提取色度矢量的方法和系统。描述了一种用于确定音频信号（301）的采样块的色度矢量（100）的方法（900）。所述方法（900）包括从适于生成的基于频谱带复制的音频编码器（410）的核心编码器（412）接收（901）从所述音频信号（301）的采样块导出的对应的频率系数块根据频率系数块的音频信号（301）的编码比特流（305）; 以及基于所接收的频率系数块来确定用于所述音频信号（301）的采样块的色度矢量（904）（904）。

6. 发明申请

WO2013079524A2 ENHANCED CHROMA EXTRACTION FROM AN AUDIO CODEC 审中-公开
标题翻译：增强了从音频编解码器中提取色彩
公开(公告)号：WO2013079524A2
公开(公告)日：2013-06-06
申请号：PCT/EP2012/073825
申请日：2012-11-28
申请人： DOLBY INTERNATIONAL AB
发明人： BISWAS, Arijit , FINK, Marco , SCHUG, Michael
IPC分类号： G10L25/48
CPC分类号： G10L19/02 , G10H1/0008 , G10H1/383 , G10H2210/066 , G10H2250/225 , G10L19/022 , G10L19/038 , G10L21/0388 , G10L25/54
摘要： The present document relates to methods and systems for music information retrieval (MIR). In particular, the present document relates to methods and systems for extracting a chroma vector from an audio signal. A method (900) for determining a chroma vector (100) for a block of samples of an audio signal (301) is described. The method (900) comprises receiving (901) a corresponding block of frequency coefficients derived from the block of samples of the audio signal (301) from a core encoder (412) of a spectral band replication based audio encoder (410) adapted to generate an encoded bitstream (305) of the audio signal (301) from the block of frequency coefficients; and determining (904) the chroma vector (100) for the block of samples of the audio signal (301) based on the received block of frequency coefficients.
摘要翻译：本文件涉及用于音乐信息检索（MIR）的方法和系统。特别地，本文件涉及用于从音频信号中提取色度矢量的方法和系统。描述了用于确定音频信号（301）的样本块的色度矢量（100）的方法（900）。所述方法（900）包括从适于生成基于频谱复制的音频编码器（410）的核心编码器（412）接收（901）从所述音频信号（301）的采样块导出的频率系数块来自频率系数块的音频信号（301）的编码比特流（305）以及基于所接收的频率系数块来确定（904）音频信号（301）的样本块的色度向量（100）。

7. 发明申请

WO2014126688A1 METHODS FOR AUDIO SIGNAL TRANSIENT DETECTION AND DECORRELATION CONTROL 审中-公开
标题翻译：用于音频信号瞬态检测和装饰控制的方法
公开(公告)号：WO2014126688A1
公开(公告)日：2014-08-21
申请号：PCT/US2014/012597
申请日：2014-01-22
申请人： DOLBY LABORATORIES LICENSING CORPORATION
发明人： YEN, Kuan-Chieh , MELKOTE, Vinay , DAVIDSON, Grant A.
IPC分类号： G10L19/008 , G10K15/08 , H04S5/00
CPC分类号： G10L19/008 , G10H7/008 , G10H2250/225 , H04S5/00 , H04S2400/03 , H04S2420/07
摘要： Some audio processing methods may involve receiving audio data corresponding to a plurality of audio channels and determining audio characteristics of the audio data, which may include transient information. An amount of decorrelation for the audio data may be based, at least in part, on the audio characteristics. If a definite transient event is determined, a decorrelation process may be temporarily halted or slowed. Determining transient information may involve evaluating the likelihood and/or the severity of a transient event. In some implementations, determining transient information may involve evaluating a temporal power variation in the audio data. Explicit transient information may or may not be received with the audio data, depending on the implementation. Explicit transient information may include a transient control value corresponding to a definite transient event, a definite non-transient event or an intermediate transient control value.
摘要翻译：一些音频处理方法可以包括接收对应于多个音频信道的音频数据并且确定音频数据的音频特性，其可以包括瞬时信息。用于音频数据的去相关的量可以至少部分地基于音频特性。如果确定了一个确定的瞬时事件，则解相关过程可能暂时停止或减慢。确定瞬态信息可能涉及评估瞬态事件的可能性和/或严重性。在一些实现中，确定瞬时信息可以包括评估音频数据中的时间功率变化。取决于实现情况，显式瞬时信息可能会或可能不会与音频数据一起接收。显式瞬时信息可以包括对应于确定的瞬态事件，确定的非瞬态事件或中间瞬态控制值的瞬态控制值。

8. 发明申请

WO2014126684A1 TIME-VARYING FILTERS FOR GENERATING DECORRELATION SIGNALS 审中-公开
标题翻译：用于生成装饰信号的时变过滤器
公开(公告)号：WO2014126684A1
公开(公告)日：2014-08-21
申请号：PCT/US2014/012460
申请日：2014-01-22
申请人： DOLBY LABORATORIES LICENSING CORPORATION
发明人： MELKOTE, Vinay , YEN, Kuan-Chieh , FELLERS, Matthew , DAVIDSON, Grant A. , KUMAR, Vivek
IPC分类号： G10L19/008 , H04S5/00 , G10K15/08 , H03H17/02
CPC分类号： G10L19/008 , G10H2250/061 , G10H2250/225 , G10H2250/575 , G10L25/06 , G10L25/09 , H04S3/008 , H04S5/00 , H04S2400/01 , H04S2400/03 , H04S2420/03 , H04S2420/07
摘要： Decorrelation filter parameters for audio data may be based, at least in part, on audio characteristics such as tonality information and/or transient information. Determining the audio characteristics may involve receiving explicit audio characteristics with the audio data and/or determining audio characteristics based on one or more attributes of the audio data. The decorrelation filter parameters may include dithering parameters and/or randomly selected pole locations for at least one pole of an all-pass filter. The dithering parameters and/or pole locations may involve a maximum stride value for pole movement. In some examples, the maximum stride value may be substantially zero for highly tonal signals of the audio data. The dithering parameters and/or pole locations may be bounded by constraint areas within which pole movements are constrained. The constraint areas may or may not be fixed. In some implementations, different channels of the audio data may share the same constraint areas.
摘要翻译：音频数据的解相关滤波器参数可以至少部分地基于诸如音调信息和/或瞬态信息的音频特性。确定音频特征可以包括基于音频数据的一个或多个属性来接收具有音频数据的显式音频特征和/或确定音频特性。去相关滤波器参数可以包括全通滤波器的至少一个极点的抖动参数和/或随机选择的极点位置。抖动参数和/或极点位置可能涉及极运动的最大步幅值。在一些示例中，对于音频数据的高音调信号，最大步幅值可以基本为零。抖动参数和/或极点位置可以限制极限运动受限制的约束区域。约束区域可以是或可以不是固定的。在一些实现中，音频数据的不同频道可以共享相同的约束区域。

9. 发明申请

WO02005875A1 BLOOD PACK SUSPENSION MEANS 审中-公开
标题翻译：血液包装悬挂装置
公开(公告)号：WO02005875A1
公开(公告)日：2002-01-24
申请号：PCT/AU2001/000846
申请日：2001-07-13
IPC分类号： A61M1/02 , A61M1/36 , A61M5/14
CPC分类号： A61M5/1415 , A61M1/0218 , A61M1/3633 , A61M2209/082 , G10H2230/015 , G10H2250/225
摘要： Apparatus for suspending full blood packs to assist filtration or leucodepletion is disclosed. In one embodiment it takes the form of a trolley or cart (40) having a rectangular rack (44) fitted with hooks (46) for suspending blood packs (not shown), and a tray-like platform (48) adapted to receive and support the receiving bags of the packs. Actuator means in the form of an air-ram (with piston 62) is employed to raise and lower the rack (44) and actuator means in the form of a pistonless air-ram (79) is used to independently raise and lower the platform (48). The actuator means are powered by a gas reservoir in a central casing (80) and suitable controls. In use, the platform (48) is raised to a convenient height for an operator to load blood-receiving bags thereon and the rack (44) is lowered to a convenient height for the operator to hook the full blood bags onto the hooks (46). The platform (48) is then lowered and the rack (44) is raised until the vertical distance between them is that recommended by the filter manufacturer. After, drainage of the blood bags, the rack (44) is lowered and the platform (48) is raised to permit the operator to seal the receiving bags, separate them from the blood bags and filters and unload the cart (40).
摘要翻译：公开了用于悬浮全血包以辅助过滤或淡黄色的装置。在一个实施例中，其具有手推车或手推车（40）的形式，其具有装配有用于悬挂血液包装（未示出）的钩子（46）的矩形齿条（44））和托盘状平台（48），其适于接收和支持包的接收袋。采用空气柱塞（带有活塞62）的致动器装置用于升高和降低齿条（44），而无活塞空气冲杆（79）形式的致动器装置用于独立地升高和降低平台（48）。致动器装置由中央壳体（80）中的气体储存器和适当的控制器供电。在使用中，平台（48）升高到一个方便的高度，以便操作者在其上装载血液接收袋，并且将齿条（44）降低到便于操作者将全血袋钩挂到钩（46））。然后平台（48）下降，并且升高架子（44），直到它们之间的垂直距离被过滤器制造商推荐。之后，排出血袋，使齿条（44）下降并且升高平台（48），以允许操作者密封接收袋，将它们与血袋隔离并过滤并卸载推车（40）。

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