A broadcasting data purchasing system includes an internet radio station, a media receiver and an online shopping server. The internet radio station provides broadcasting data. The media receiver receives, plays the broadcasting data and judges whether the broadcasting data includes metadata, which includes first audio information relevant to the broadcasting data. The media receiver responds with an operation event to output the first audio information when the broadcasting data includes the metadata. The online shopping server includes a goods database. The online shopping server receives the first audio information, searches for goods data from the goods database according to the first audio information, and stores the goods data.

 
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