JPS5836799U - electronic musical instruments - Google Patents
electronic musical instrumentsInfo
- Publication number
- JPS5836799U JPS5836799U JP13141181U JP13141181U JPS5836799U JP S5836799 U JPS5836799 U JP S5836799U JP 13141181 U JP13141181 U JP 13141181U JP 13141181 U JP13141181 U JP 13141181U JP S5836799 U JPS5836799 U JP S5836799U
- Authority
- JP
- Japan
- Prior art keywords
- amplitude
- envelope waveform
- waveform signal
- signal
- partial
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例を示すブロック図、第２図
は第１図の実施例においてエンベロープ波形信号発生器
から発生される振幅エンベロープ波形信号を示す図、第
３図は第１図の実施例における振幅係数メモリの記憶内
容を示す図、第４図はエンベロープ波形信号発生器の詳
細構成例を示す図である。
１・・・・・・キースイッチ回路、３・・・・・・部分
音形成回 −路、４・・曲カウンタ、５・・曲エ
ンベロープ波形信号発生器、６・・・・・・振幅係数メ
モリ。FIG. 1 is a block diagram showing an embodiment of this invention, FIG. 2 is a diagram showing an amplitude envelope waveform signal generated from an envelope waveform signal generator in the embodiment of FIG. 1, and FIG. FIG. 4 is a diagram showing a detailed configuration example of an envelope waveform signal generator. 1...Key switch circuit, 3...Partial tone forming circuit, 4...Tune counter, 5...Tune envelope waveform signal generator, 6...Amplitude coefficient memory.
Claims (2)
れらの各部分音成分にそれぞれ対応する振幅係数を乗じ
てその乗算値を合成することによって楽音を形成する部
分音合成方式の電子楽器において、鍵操作毎にアタック
からディケイに至る音量制御用の振幅エンベロープ波形
信号を発生するエンベロープ波形信号発生器と、前記部
・分音成分の次数を指定する次数信番を発生する次数信
号発生回路と、前記部分音成分のそれぞれにつき複数種
の振幅係数を記憶し、前記振幅エンベロープ波形信号お
よび次数信号をアドレス信号入力とする振幅係数メモリ
とを備え、この振幅係数メモリから前記振幅エンベロー
プ波形信号の瞬時値に応じて異なる各部分音成分の振幅
係数を発生させることを特徴とする電子楽器。(1) An electronic musical instrument using a partial tone synthesis method that generates a plurality of partial tone components that make up a musical tone, multiplies each partial tone component by its corresponding amplitude coefficient, and synthesizes the multiplied values to form a musical tone. , an envelope waveform signal generator that generates an amplitude envelope waveform signal for volume control ranging from attack to decay for each key operation, and an order signal generation circuit that generates an order number that specifies the order of the partial/divisional components. and an amplitude coefficient memory that stores a plurality of types of amplitude coefficients for each of the partial tone components and receives the amplitude envelope waveform signal and the order signal as address signal inputs, and the amplitude coefficient memory stores the amplitude envelope waveform signal of the amplitude envelope waveform signal from the amplitude coefficient memory. An electronic musical instrument characterized by generating different amplitude coefficients of partial tone components according to instantaneous values.
よびディケイの振幅エンベロープの変化速度に対応した
周期のパルス信号をカウントダウン信号入力およびカウ
ントアツプ信号入力とし、そのカウント出力を振幅エン
ベロープ波形信号として出力するアップダウンカウンタ
により構成することを特徴とする実用新案登録請求の範
囲第１項記載の電子楽器。(2) The envelope waveform signal generator receives a pulse signal with a period corresponding to the rate of change of the attack and decay amplitude envelopes as a countdown signal input and a countup signal input, and outputs the count output as an amplitude envelope waveform signal. The electronic musical instrument according to claim 1, characterized in that it is constituted by a down counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13141181U JPS5836799U (en) | 1981-09-03 | 1981-09-03 | electronic musical instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13141181U JPS5836799U (en) | 1981-09-03 | 1981-09-03 | electronic musical instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5836799U true JPS5836799U (en) | 1983-03-10 |
Family
ID=29924991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13141181U Pending JPS5836799U (en) | 1981-09-03 | 1981-09-03 | electronic musical instruments |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5836799U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62186295A (en) * | 1986-02-12 | 1987-08-14 | 株式会社コルグ | Envelope generator |
| JPS63208095A (en) * | 1987-02-25 | 1988-08-29 | カシオ計算機株式会社 | Musical sound generator |
| JPS63135395U (en) * | 1987-02-25 | 1988-09-06 |
-
1981
- 1981-09-03 JP JP13141181U patent/JPS5836799U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62186295A (en) * | 1986-02-12 | 1987-08-14 | 株式会社コルグ | Envelope generator |
| JPS63208095A (en) * | 1987-02-25 | 1988-08-29 | カシオ計算機株式会社 | Musical sound generator |
| JPS63135395U (en) * | 1987-02-25 | 1988-09-06 |
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