Audio tagging with TV broadcasting
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Ever heard a piece of music you really like during a TV programme, film or commercial, but not known what it is?
With TV broadcasting, other data is also broadcast with the pictures (eg subtitles). So why not broadcast the info around current music being played during a programme? By clicking on a button you could get the name of the song. This would mean when you hear something you like you can instantly find out what it is, and who it is by.
Take this a step further and, using a hard drive, the music could be instantly downloaded (bought). TV companies would no longer have to pay royalties to use music as the music companies would see it more like advertising. And the public would have a much easier way of buying the music they like.