Invention Grant
US08705791B2 Method and system for utilizing GPS information to secure digital media 有权
利用GPS信息保护数字媒体的方法和系统

Method and system for utilizing GPS information to secure digital media
Abstract:
A device such as a set-top-box, digital TV, DVD player, multi-media player, cellular telephone or digital cinema player that may handle data such as multimedia data and/or audio/video signals, may determine its location. The device may determine its location based on GPS information and may send its location it to an external entity, for example, a service provider. The device may generate a watermark comprising its determined location and may embed or insert the watermark within the data. AlsoIn addition, the generated watermark may comprise one or more of a unique identifier for the device, a source of the data, for example, a service provider, a date and a time. The watermark may be secured via processing, for example, the watermark may be encrypted prior to being embedded. The data may be compressed when embedding the watermark. The watermark embedding process may be handled via a secure embedded processor and/or secure code.
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