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1. 发明授权

US06670537B2 Media player for distribution of music samples 有权
公开(公告)号：US06670537B2
公开(公告)日：2003-12-30
申请号：US09838967
申请日：2001-04-20
申请人： David A. Hughes , Matthew A. Carpenter , Mandana Massiha , Phuong L. Nguyen
发明人： David A. Hughes , Matthew A. Carpenter , Mandana Massiha , Phuong L. Nguyen
IPC分类号： A63H500
CPC分类号： G10H1/0041 , G10H2240/061 , G10H2240/305
摘要： A method and apparatus of music distribution from a media player. A media player is provided with a “send to friend” icon. In one embodiment, when the icon is selected, a clipping of the currently playing music selection is taken from a predetermined location in the music selection and compressed using a fidelity reducing compression technique to produce a sample of the current selection suitable for distribution. The compressed clipping is sent to a selected recipient or recipients by email in the background while the music selection continues to play. The recipient(s) can be either a default recipient(s) or a recipient(s) selected from a list as in an address book application.

2. 发明授权

US06794567B2 Audio quality based culling in a peer-to-peer distribution model 有权
标题翻译：基于音频质量的剔除在对等分布模型中
公开(公告)号：US06794567B2
公开(公告)日：2004-09-21
申请号：US10216526
申请日：2002-08-09
申请人： David A. Hughes , Matthew A. Carpenter , Phuong L Nguyen
发明人： David A. Hughes , Matthew A. Carpenter , Phuong L Nguyen
IPC分类号： G10H700
CPC分类号： G10H1/0058
摘要： Electronic Music Distribution (EMD), wherein music stored as digital files is downloadable by end users from retail computer databases or from Peer to Peer “file sharing” databases such as Napster, has developed rapidly in the recent past as an alternative to the traditional distribution channels for recorded music. While EMD holds great promise as a distribution vehicle, certain limitations exist with regard to the capability of existing distribution models to classify or characterize the audio quality of the files available for download. This limitation is particularly acute in the Peer-to-Peer context where the downloadable database consists of files from a multiplicity of sources. The present invention utilizes an objective measure of audio quality that is, in one embodiment, presented as part of a response to a user or subscriber search query.
摘要翻译：电子音乐分发（EMD），其中存储为数字文件的音乐可由终端用户从零售计算机数据库下载，或从Peer到Peer“文件共享”数据库（如Napster）下载，近来已经发展迅速，作为传统分发频道用于录制音乐。虽然EMD作为配送车辆具有巨大的希望，但是现有分配模型的能力对于可供下载的文件的音频质量进行分类或表征，存在某些限制。在对等上下文中，这种限制尤其严重，可下载的数据库由多个来源的文件组成。本发明利用在一个实施例中呈现为对用户或订户搜索查询的响应的一部分的音频质量的客观测量。

3. 发明授权

US06555738B2 Automatic music clipping for super distribution 有权
公开(公告)号：US06555738B2
公开(公告)日：2003-04-29
申请号：US09838966
申请日：2001-04-20
申请人： David A. Hughes , Matthew A. Carpenter , Mandana Massiha , Phuong L. Nguyen
发明人： David A. Hughes , Matthew A. Carpenter , Mandana Massiha , Phuong L. Nguyen
IPC分类号： G06F1760
CPC分类号： G10H1/0041 , G10H2240/061 , G10H2240/125
摘要： A method of sampling a music selection to produce a music clipping suitable for super distribution. A computer readable music file is sampled by defining a starting point for the sample at a fixed time from the beginning of the music selection. The stopping point is similarly selected as a fixed time from the starting point for the sample. The actual fixed times can be varied based upon the genre of the music when another embodiment flags or headers can be used to define the starting and ending time of the sample. Once the sample has been defined, data from the sample is extracted and compressed to reduce the file size to a size suitable for super distribution.

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