发明名称 |
Supply of digital audio and video products |
摘要 |
A server for a merchant computer system, the server comprising: a file store for storing a range of audio/video products in respective product files; a dialogue unit having a network connection and operable to invite and receive a client selection from among the products via the network connection; a product reader for reading the product files to generate a digital audio/video signal; a digital signal processing unit having an input connectable to receive the digital audio/video signal from the product reader, a processing core operable to apply a defined level of content degradation to the digital audio/video signal, and an output connected to output the degraded digital audio/video signal from the processing core to the network connection. It is therefore possible for a content provider to change the characteristics of an audio or video data stream supplied over a network to a potential purchaser in a controlled and variable manner. The amount of degradation is sufficient to enable a potential purchaser to appreciate the characteristics of the audio or video product, whilst reducing the perceived quality.
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申请公布号 |
US7707069(B2) |
申请公布日期 |
2010.04.27 |
申请号 |
US20050158812 |
申请日期 |
2005.06.21 |
申请人 |
TEXAS INSTRUMENTS INCORPORATED |
发明人 |
THOMAS DAVID R.;COLE EDWIN RANDOLPH |
分类号 |
G06Q30/00;G06Q50/00;G06Q20/12;G06Q30/06;G07F17/16;G10L11/00;G10L19/00;G10L21/00;G11B20/10;H04N7/173 |
主分类号 |
G06Q30/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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