JPS5470025A - Electronic musical instrument - Google Patents
Electronic musical instrumentInfo
- Publication number
- JPS5470025A JPS5470025A JP13627077A JP13627077A JPS5470025A JP S5470025 A JPS5470025 A JP S5470025A JP 13627077 A JP13627077 A JP 13627077A JP 13627077 A JP13627077 A JP 13627077A JP S5470025 A JPS5470025 A JP S5470025A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signals
- address signals
- tones
- touched keys
- 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.)
- Pending
Links
Landscapes
- Electrophonic Musical Instruments (AREA)
Abstract
PURPOSE: To produce musical tone signals resembling to natural musical instrument tones by controlling the address signals corresponding to touched keys according to the compasses to which the touched keys belong thereby reading out musical tone waveform memories.
CONSTITUTION: A keyboard circuit 11 generates the signals corresponding to key touching and the octave signals belonging to the touched keys, and the storage contents of a frequency information memory 2 are cumulated with a cumulator 3. And the address signals of multiple bits according to the pitches of the touched keys are applied to a control circuit 12 to which the octave signals from the circuit 11 are applied. Then, the circuit 12 formed by inverters 21, 22, OR circuit 23, AND circuits 24 thru 27 changes the address signals and addresses a waveform memory 4 by controlling the conduction and breaking of the specified bits of the multiple bit address signals. Hence, the waveforms which are good even for low tones are read from the sotrage contents of the memory 4 of the low tone portions where the higher frequency orders limited by the higher frequency orders included in the maximum tones are insufficient.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13627077A JPS5470025A (en) | 1977-11-15 | 1977-11-15 | Electronic musical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13627077A JPS5470025A (en) | 1977-11-15 | 1977-11-15 | Electronic musical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5470025A true JPS5470025A (en) | 1979-06-05 |
Family
ID=15171256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13627077A Pending JPS5470025A (en) | 1977-11-15 | 1977-11-15 | Electronic musical instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5470025A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59184396A (en) * | 1983-04-04 | 1984-10-19 | カシオ計算機株式会社 | Waveform information reader |
| JPS59184397A (en) * | 1983-04-04 | 1984-10-19 | カシオ計算機株式会社 | Waveform information reader |
-
1977
- 1977-11-15 JP JP13627077A patent/JPS5470025A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59184396A (en) * | 1983-04-04 | 1984-10-19 | カシオ計算機株式会社 | Waveform information reader |
| JPS59184397A (en) * | 1983-04-04 | 1984-10-19 | カシオ計算機株式会社 | Waveform information reader |
| JPH0526198B2 (en) * | 1983-04-04 | 1993-04-15 | Casio Computer Co Ltd |
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