JPS54121724A - Musical tone former of electronic musical instruments - Google Patents

Musical tone former of electronic musical instruments

Info

Publication number
JPS54121724A
JPS54121724A JP2907778A JP2907778A JPS54121724A JP S54121724 A JPS54121724 A JP S54121724A JP 2907778 A JP2907778 A JP 2907778A JP 2907778 A JP2907778 A JP 2907778A JP S54121724 A JPS54121724 A JP S54121724A
Authority
JP
Japan
Prior art keywords
circuit
switches
basic
pitches
adder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2907778A
Other languages
Japanese (ja)
Other versions
JPS6035078B2 (en
Inventor
Eiichiro Aoki
Yasuo Nagahama
Eisaku Okamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Priority to JP53029077A priority Critical patent/JPS6035078B2/en
Publication of JPS54121724A publication Critical patent/JPS54121724A/en
Publication of JPS6035078B2 publication Critical patent/JPS6035078B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Electrophonic Musical Instruments (AREA)

Abstract

PURPOSE: To let musical tones of low tone part be effectively generated by controlling the basic wave component contents of the pitch signals corresponding to touched keys according to pitches.
CONSTITUTION: The pitch signals corresponding to the operated key switches Kδ1 ... of a keyboard circuit 12 are applied from a voltage control type variable frequency oscillator 11 to a basic wave component control circuit 13 and the change rate setting signal formed by the sloped change part and the folding back part shifting to flat according to pitch changes by the switches δ1 ... cooperating to the switches Kδ1 ... and rotary switches Rδ1, Rδ2 are applied to the voltage control type variable gain amplifier 42 of the circuit 13. Thereby, the π/4 phase shifted basic wave components of the pitch signals from the sine converting circuit 37 of the basic wave removing circuit 34 of the circuit 13 are controlled according to the pitches. On the other hand, the circuit 34 generates the pitch signals having been removed of the basic components via inversion circuit 38, π/4 shift circuit 35, adder 39 and the basic component contents are controlled according to the pitches from the adder 43 to which the output of an adder 42 is applied.
COPYRIGHT: (C)1979,JPO&Japio
JP53029077A 1978-03-14 1978-03-14 Tone forming device for electronic musical instruments Expired JPS6035078B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53029077A JPS6035078B2 (en) 1978-03-14 1978-03-14 Tone forming device for electronic musical instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53029077A JPS6035078B2 (en) 1978-03-14 1978-03-14 Tone forming device for electronic musical instruments

Publications (2)

Publication Number Publication Date
JPS54121724A true JPS54121724A (en) 1979-09-21
JPS6035078B2 JPS6035078B2 (en) 1985-08-12

Family

ID=12266272

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53029077A Expired JPS6035078B2 (en) 1978-03-14 1978-03-14 Tone forming device for electronic musical instruments

Country Status (1)

Country Link
JP (1) JPS6035078B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57171394A (en) * 1981-04-15 1982-10-21 Victor Company Of Japan Pronouncing circuit for electronic musical instrument

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH024931Y2 (en) * 1985-09-30 1990-02-06
JPH02129048U (en) * 1988-11-14 1990-10-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57171394A (en) * 1981-04-15 1982-10-21 Victor Company Of Japan Pronouncing circuit for electronic musical instrument

Also Published As

Publication number Publication date
JPS6035078B2 (en) 1985-08-12

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