Methods and apparatus for encrypting and decrypting MIDI files

Details Methods and apparatus for encrypting and decrypting MIDI files Methods and apparatus for encrypting and decrypting MIDI files

1997-03-05

1999-03-16

Cain, David

Cryptography

Cryptanalysis

380 49, 380 25, H04L 900

Patent

active

058839577

ABSTRACT:
Techniques for playing and distributing MIDI tracks in the context of a non-real-time network such as the Internet. One of the techniques makes it possible to begin playing a multi-track MIDI file that is being received over the Internet before the entire file has been received. Others of the techniques permit playing of MIDI tracks that are generated in real time and then distributed via the Internet. The techniques ensure that expected network delays will not cause underflow in the MIDI buffer, provide a way of playing an "endless" MIDI stream received via the Internet, and provide ways by which players may collaborate and even participate in jam sessions over the Internet. Also disclosed are techniques for including decrypters in MIDI synthesizers and using the decrypters in the context of encrypted MIDI streams received via the Internet.

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