JPS54121724A - Musical tone former of electronic musical instruments - Google Patents
Musical tone former of electronic musical instrumentsInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH024931Y2 (en) * | 1985-09-30 | 1990-02-06 | ||
JPH02129048U (en) * | 1988-11-14 | 1990-10-24 |
-
1978
- 1978-03-14 JP JP53029077A patent/JPS6035078B2/en not_active Expired
Cited By (1)
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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