Invention Grant
US09508354B2 Media synchronisation system 有权
媒体同步系统

Media synchronisation system
Abstract:
A communications system distributes code word pairs within the audio of a television or radio program or the like. Each pair of code words includes an ID code word that is the same for a given program and a synchronization code word that is unique within the program. A portable user device is able to synchronize itself to the program using the embedded synchronization code words.
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