JPS6078100U - electronic musical instruments - Google Patents
electronic musical instrumentsInfo
- Publication number
- JPS6078100U JPS6078100U JP15430783U JP15430783U JPS6078100U JP S6078100 U JPS6078100 U JP S6078100U JP 15430783 U JP15430783 U JP 15430783U JP 15430783 U JP15430783 U JP 15430783U JP S6078100 U JPS6078100 U JP S6078100U
- Authority
- JP
- Japan
- Prior art keywords
- level
- key
- envelope
- peak level
- attack
- 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
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図は従来の電子楽器のレガート効果の内容を示す図
、第２図はこの考案の一実施例の全体の回路図、第３図
は要部の回路図、第４図はレガート効果の内容を示す図
である。
１・・・鍵盤、２・・・ＣＰＵ、 ３・・・タッチレス
ポンス検出器、４・・・サブＲＯＭ、 ６・・・周波数
波形発生部、７・・・乗算器、８・・・エンベロープ波
形発生器、１０・・・エンベロープクロック発生器、１
１・・・エンベロープ波形形成アップ／ダウンカウンタ
、１６〜２０・・・レジスタ、２１，３３，３６・・・
演算回路、２３．３１・・・選択回路、２４・・・タイ
マ、２６．３０・・・一致検出回路、２９・・・サステ
ィンタイマ、３８・・・比較回路。Fig. 1 is a diagram showing the content of the legato effect of a conventional electronic musical instrument, Fig. 2 is an overall circuit diagram of an embodiment of this invention, Fig. 3 is a circuit diagram of the main part, and Fig. 4 is a diagram showing the legato effect of a conventional electronic musical instrument. It is a diagram showing the contents. 1... Keyboard, 2... CPU, 3... Touch response detector, 4... Sub ROM, 6... Frequency waveform generator, 7... Multiplier, 8... Envelope waveform Generator, 10... Envelope clock generator, 1
1... Envelope waveform formation up/down counter, 16-20... Register, 21, 33, 36...
Arithmetic circuit, 23.31... Selection circuit, 24... Timer, 26.30... Coincidence detection circuit, 29... Sustain timer, 38... Comparison circuit.
Claims (1)
じて楽音の音量制御を行う電子楽器において、鍵の押鍵
速度に応じてエンベロープ波形のアタックピークレベル
を算出する手段と、現在発音中の楽音のエンベロープレ
ベルが所定レベル以下になる以前に次の鍵が押鍵される
とこの新たな操作鍵の前記算出手段によるアタックピー
クレベルと前記現在発音中の楽音のエンベロープレベル
とを比較する手段と、この比較手段によりこれまで発音
中の楽音のエンベロープレベルが新たな操作鍵のアタッ
クピークレベルより小と判断された場合、このアタック
ピークレベルまで前記エンベロープレベルを増大させる
一方、前記比較手段により前記エンベロープレベルが前
記アタックピークレベルより大と判断された場合このア
タックピークレベルまで前記エンベロープ−レベルヲ減
少させる手段とを有して成る電子楽器。In an electronic musical instrument equipped with a touch response device and controlling the volume of a musical tone according to the touch response of a key, a means for calculating an attack peak level of an envelope waveform according to a key pressing speed, and an envelope level of a musical tone currently being sounded. means for comparing the attack peak level of the new operated key calculated by the calculation means with the envelope level of the musical tone currently being sounded when a next key is pressed before the key becomes below a predetermined level; If it is determined that the envelope level of the musical tone being produced so far is smaller than the attack peak level of the new operating key, the envelope level is increased to this attack peak level, and the comparison means determines that the envelope level is lower than the attack peak level of the new key. and means for reducing the envelope level to the attack peak level when it is determined to be greater than the peak level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15430783U JPS6078100U (en) | 1983-10-06 | 1983-10-06 | electronic musical instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15430783U JPS6078100U (en) | 1983-10-06 | 1983-10-06 | electronic musical instruments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6078100U true JPS6078100U (en) | 1985-05-31 |
| JPS644156Y2 JPS644156Y2 (en) | 1989-02-02 |
Family
ID=30341135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15430783U Granted JPS6078100U (en) | 1983-10-06 | 1983-10-06 | electronic musical instruments |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6078100U (en) |
-
1983
- 1983-10-06 JP JP15430783U patent/JPS6078100U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS644156Y2 (en) | 1989-02-02 |
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