Musical sound producing device with pitch change circuit for changing only pitch variable data of pitch variable/invariable data
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United States of America Patent
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Dec 24, 1996
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N/A
app pub date -
Jul 11, 1994
filing date -
Jul 14, 1993
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Abstract
A musical sound producing device produces musical sound from MIDI data. The MIDI data includes play data for producing musical sound of plurality of tones, pitch data for designating pitch of the musical sound and pitch variable/invariable data indicating pitch variable tones and pitch invariable tones. The device includes: MIDI sound source for producing musical sound of tones designated by the play data with pitch designated by the pitch data; and pitch change circuit for changing the pitch data of only pitch variable tones specified by the pitch variable/invariable data in accordance with pitch change information.
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