Music – Instruments – Electrical musical tone generation
Patent
1989-06-22
1991-09-17
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
84663, 84738, 84742, G10H 1057, G10H 118
Patent
active
050483919
ABSTRACT:
A vibration of a string is picked up by a pickup to be converted to an electric signal. A pitch extracting circuit obtains pitch data expressing a pitch or a duration of the string vibration from the electric signal. A musical tone generating circuit generates a musical tone having a corresponding tone pitch in accordance with the pitch data. An envelope extracting circuit extracts an envelope from the electric signal detected by the pickup and supplies a signal expressing the envelope to a multiplier. Furthermore, a signal expressing the musical tone is supplied to the multiplier to be multiplied by the signal expressing the envelope. Thus a musical tone having a controlled envelope determined by the extracted envelope is generated.
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Obata Katsuhiko
Uchiyama Shigeru
Casio Computer Co. Ltd.
Witkowski Stanley J.
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