Digital transactions for the delivery of media files
a technology of digital transactions and media files, applied in the field of digital transactions, can solve the problems of significant channel noise to be introduced into the transmitted audio signal payload, inconvenient use of analogue systems for selling music directly, and recording will be significantly compromised
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[0030] The radio implementation operates by identifying the fact that the majority of modern audio encoding systems break information up into frames in the time domain, (which may or may not be of the same length in time as each other but which, without loss of generality, we shall assume in this discussion are of the same length).
[0031] Therefore, given a piece of merchantable audio material A, the digital audio playout system at the studio can generate a frame-wise compressed version A0,A1,A2 . . . An−1. Of these n frames, only m<=n will be transmitted, and of these m, only p<=m will be uncorrupted. Assume that the studio audio playout system maintains a log of which frames are transmitted uncorrupted to air, and which are either not sent at all, or are sent with some corruption. Corruption can also arise through reception errors, which will vary from user to user.
[0032] Then the possibility exists, to generate a second stream, generally much smaller than the first, consisting o...
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