Method and apparatus for audio editing of MIDI files

Details Method and apparatus for audio editing of MIDI files Method and apparatus for audio editing of MIDI files

1990-11-01

1993-05-04

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

G10H 700

Patent

active

052084213

ABSTRACT:
A method and apparatus are disclosed for the audio editing of MIDI (Musical Instrument Digital Interface) files. MIDI files make it possible to exchange information such as: musical notes, program changes, expression control and channel information between musical instruments, sequencers, computers, lighting controllers and mixers. MIDI files generally consist of serially listed channel and system messages which include at least program status messages and matching note on and note off messages. The method and apparatus of the present invention may be utilized to ensure the integrity of a source file, a copied or lifted section or a target file by automatically inserting matching note on or note off messages into a file or file section to correct inconsistencies created by such editing. Additionally, program status messages are automatically inserted into source files, copied or lifted sections, or target files to yield results which are consistent with the results which may be obtained by editing digital audio data. Timing information is selectively added or maintained such that MIDI files may be selectively edited without requiring a user to learn a complex MIDI sequencer.

REFERENCES:
patent: 4960031 (1990-10-01), Farrand

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