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    • 2. 发明申请
    • Feature extraction in a networked portable device
    • 联网便携式设备中的特征提取
    • US20050215239A1
    • 2005-09-29
    • US10810924
    • 2004-03-26
    • Toni KopraMikko MakipaaMauri Vaananen
    • Toni KopraMikko MakipaaMauri Vaananen
    • H04W4/18H04B1/38H04L29/06H04M1/656H04M1/725H04W88/02
    • H04L29/06027G06Q30/06H04L65/604H04M1/656H04M1/72522H04M1/72558H04M3/493H04M7/0036H04M2203/105H04M2207/18
    • A mobile station MS has a transducer or other interface to receive a media sample, a processor to extract features from a digital version of the media sample, a transmitter to transmit those extracted features, and preferably a buffer so feature extraction can begin on a portion of music received prior to a user input to identify the media sample. The features describe the content of the digital version of the media file. A server receives the extracted features from the MS, extracts additional features which may be higher order features extracted from the MS-extracted features and/or lower order features extracted from a segment of the digital media sample sent from the MS. The server uses all extracted features to search a database and identify the underlying file from which the media sample is taken. A single user entry at the MS initiates the feature extraction, link setup, and transmittal of features. A further entry purchases a copy of the entire media file that is downloaded to the MS.
    • 移动台MS具有用于接收媒体样本的换能器或其他接口,用于从媒体样本的数字版本提取特征的处理器,用于发送那些提取的特征的发射机,并且优选地,缓冲器,因此特征提取可以在部分 在用户输入之前接收的音乐以识别媒体样本。 这些功能描述了媒体文件的数字版本的内容。 服务器从MS接收提取的特征,提取附加特征,其可以是从MS提取的特征提取的较高阶特征和/或从MS发送的数字媒体样本的段中提取的较低阶特征。 服务器使用所有提取的功能来搜索数据库并识别采集介质样本的底层文件。 MS上的单个用户条目启动功能提取,链接设置和功能传输。 另一个条目购买下载到MS的整个媒体文件的副本。
    • 3. 发明申请
    • Mobile station and interface adapted for feature extraction from an input media sample
    • 适用于从输入媒体样本进行特征提取的移动台和接口
    • US20050227674A1
    • 2005-10-13
    • US10820308
    • 2004-04-07
    • Toni KopraMikko MakipaaMauri Vaananen
    • Toni KopraMikko MakipaaMauri Vaananen
    • H04L5/00H04L7/00H04M1/725
    • H04M1/72522H04L65/4084H04M1/72547H04M1/72558H04M15/8242H04M2215/7846H04M2250/64
    • A mobile station has a processor and a user input mechanism such as a button that is operable to cause the processor to extract at least one feature from a digital media sample. The feature, such as a spectral centroid, is descriptive of an identity of a content of the media sample. Preferably, the same user input that causes the feature extraction also causes a transmitter to establish a link and to send a message to a network address, the message having a plurality of extracted features from which the digital media sample may not be reconstructed. Where a reply message identifies a media file that matches the media sample, another user input at the same or a different button causes an authorization message to be sent so that a copy of the media file, identified in the reply message and having features that exactly match the plurality of extracted and transmitted features, is downloaded to the mobile station.
    • 移动台具有处理器和诸如按钮的用户输入机制,其可操作以使处理器从数字媒体样本中提取至少一个特征。 特征,例如光谱中心,描述了媒体样本的内容的身份。 优选地,导致特征提取的相同用户输入还使得发射机建立链路并向网络地址发送消息,该消息具有多个提取的特征,数字媒体样本可以从该特征被重建。 在答复消息识别与媒体样本匹配的媒体文件的情况下,在相同或不同按钮处输入的另一用户将导致发送授权消息,以便在回复消息中标识并具有恰好具有特征的媒体文件的副本 匹配多个提取和传输的特征,被下载到移动台。
    • 4. 发明申请
    • Mobile station and interface adapted for feature extraction from an input media sample
    • 适用于从输入媒体样本进行特征提取的移动台和接口
    • US20080032622A1
    • 2008-02-07
    • US11786659
    • 2007-04-12
    • Toni KopraMikko MakipaaMauri Vaananen
    • Toni KopraMikko MakipaaMauri Vaananen
    • H04Q7/20
    • H04M1/72522H04L65/4084H04M1/72547H04M1/72558H04M15/8242H04M2215/7846H04M2250/64
    • A mobile station has a processor and a user input mechanism such as a button that is operable to cause the processor to extract at least one feature from a digital media sample. The feature, such as a spectral centroid, is descriptive of an identity of a content of the media sample. Preferably, the same user input that causes the feature extraction also causes a transmitter to establish a link and to send a message to a network address, the message having a plurality of extracted features from which the digital media sample may not be reconstructed. Where a reply message identifies a media file that matches the media sample, another user input at the same or a different button causes an authorization message to be sent so that a copy of the media file, identified in the reply message and having features that exactly match the plurality of extracted and transmitted features, is downloaded to the mobile station.
    • 移动台具有处理器和诸如按钮的用户输入机制,其可操作以使处理器从数字媒体样本中提取至少一个特征。 特征,例如光谱中心,描述了媒体样本的内容的身份。 优选地,导致特征提取的相同用户输入还使得发射机建立链路并向网络地址发送消息,该消息具有多个提取的特征,数字媒体样本可以从该特征被重建。 在答复消息识别与媒体样本匹配的媒体文件的情况下,在相同或不同按钮处输入的另一用户将导致发送授权消息,以便在回复消息中标识并具有恰好具有特征的媒体文件的副本 匹配多个提取和传输的特征,被下载到移动台。
    • 5. 发明申请
    • Decoding of binaural audio signals
    • 双耳音频信号的解码
    • US20070160218A1
    • 2007-07-12
    • US11334041
    • 2006-01-17
    • Julia JakkaPasi OjalaMauri Vaananen
    • Julia JakkaPasi OjalaMauri Vaananen
    • H04R5/00H04R5/02
    • H04S3/004H04S2400/01H04S2420/01
    • A method for synthesizing a binaural audio signal, the method comprising: inputting a parametrically encoded audio signal comprising at least one combined signal of a plurality of audio channels and one or more corresponding sets of side information describing a multi-channel sound image; and applying a predetermined set of head-related transfer function filters to the at least one combined signal in proportion determined by the corresponding set of side information to synthesize a binaural audio signal. A corresponding parametric audio decoder, parametric audio encoder, computer program product, and apparatus for synthesizing a binaural audio signal are also described.
    • 一种用于合成双耳音频信号的方法,所述方法包括:输入包括多个音频通道的至少一个组合信号和描述多声道声音图像的一个或多个对应的副信息组的参数编码音频信号; 以及按照由相应的侧面信息组确定的比例,将至少一个组合信号应用到一组预定的头相关传递函数滤波器以合成双耳音频信号。 还描述了相应的参数音频解码器,参数音频编码器,计算机程序产品和用于合成双耳音频信号的装置。