Balancing MIDI instrument volume levels

Details Balancing MIDI instrument volume levels Balancing MIDI instrument volume levels

2006-02-21

2006-02-21

Donels, Jeffrey W (Department: 2837)

Music

Instruments

Electrical musical tone generation

C084S633000

Reexamination Certificate

active

07002069

ABSTRACT:
A system, method and computer readable medium for adjusting volume levels of a Musical Instrument Digital Interface (MIDI) sound file for optimizing play on a sound device. The method on an information processing system includes calculating a first set of loudness levels for each instrument in a MIDI sound file and calculating a second set of loudness levels corresponding to an audio output range of a sound device. The method further includes generating a mapping between the first set of loudness levels and the second set of loudness levels corresponding to the audio output range of the sound device. The method further includes generating a gain term for each note in the MIDI sound file and modifying the MIDI sound file using the second set of loudness levels and the gain term for each note in the MIDI sound file.

REFERENCES:
patent: 6150599 (2000-11-01), Fay et al.
patent: 2002/0010740 (2002-01-01), Kikuchi et al.
patent: 2003/0027604 (2003-02-01), Hayashi
patent: 2001197585 (2001-07-01), None
patent: 2002258841 (2002-09-01), None

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