JPS6146596U

JPS6146596U - Electronic musical instrument parameter setting device

Info

Publication number: JPS6146596U
Application number: JP13202884U
Authority: JP
Inventors: 晃則松原
Original assignee: カシオ計算機株式会社
Priority date: 1984-08-30
Filing date: 1984-08-30
Publication date: 1986-03-28

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

[Brief explanation of drawings]

第１図〜第１９図は本考案の実施例を示すもので、第１
図は電子楽器の全体回路図、第２図、第３図はキー人力
部８音色の各パラメータ設定用のスイッチ構成図、第４
図は基本波形の波形図、第５図（１基本波形パラメータ
のデータ構成図、第６図はエンベローブ波形図、第７図
はそのエンベロープパラメータのデータ構成図、第８図
はエンベロープ波形の具体例を示す図、第９図はそのエ
ンベロープパラメータのデータ内容図、第１０図はキー
コードと変位との関係をキーフォローパラメータの値に
応じて示した図、第１１図は音色メモリ部４の内容を示
す図、第１２図は音色メモリ部４内のイニシャライズ用
の初期値の具体的なデータ内容を示す図、第１３図は演
算部１６の具体的回路図、第１４図は各エンベロープ波
形を変位させた状態を示す図、第１５図は楽音作成部１
１の具体的回路図、第１６図はエンベロープ回路３１，
３２．３３の回路図、第１７図はキースキャンのフロー
チャート図、第１８図はイニシャライズ操作のキー判別
のフローチャートの区、第１９図はイニシャライズ処理
のフローチャートの図である。１・・・・・・ｃｐｕ，２・・曲ＲＯＭ，３・・・
・・・ＲＡＭ，４・・・・・・音色メモリ部、４ａ・
・・・・・ＲＡＭエリア、４ｂ・・・・・・ＲＯＭエリ
ア、６・・・・・・鍵盤、８・・・・・・スイッチ入力
部、１０・・・・・・レジスタ部、１１・・・・・・楽
音作成部、１３・・・・・・音色レジスタ部、１４・・
・・・・アンプ、１５・・・・・・スピーカ、１６・・
・・・・演算部、１７〜２３・・・・・・パラメータ選
択指定用のキー、２４・間・イニシャライズキー、２５
・・・・・・テンキー、２６〜２８・・・・・・エンベ
ロープパラメータ設定用のキー、２９・・・・・・音色
スイッチ。Figures 1 to 19 show embodiments of the present invention.
The figure is the overall circuit diagram of the electronic musical instrument, Figures 2 and 3 are switch configuration diagrams for setting each parameter of the 8 tones of the key manual section, and Figure 4 is the overall circuit diagram of the electronic musical instrument.
The figure is a waveform diagram of the basic waveform, Figure 5 (data configuration diagram of one basic waveform parameter, Figure 6 is an envelope waveform diagram, Figure 7 is a data configuration diagram of the envelope parameter, and Figure 8 is a specific example of an envelope waveform). 9 is a diagram showing the data content of the envelope parameter, FIG. 10 is a diagram showing the relationship between the key code and displacement according to the value of the key follow parameter, and FIG. 11 is the content of the tone memory section 4. 12 is a diagram showing specific data contents of initialization values in the tone color memory section 4, FIG. 13 is a specific circuit diagram of the calculation section 16, and FIG. 14 is a diagram showing each envelope waveform. A diagram showing the displaced state, FIG. 15 is the musical tone creation section 1
1, the specific circuit diagram of FIG. 16 shows the envelope circuit 31,
32 and 33 are circuit diagrams, FIG. 17 is a flowchart of key scanning, FIG. 18 is a flowchart of key determination for initialization operation, and FIG. 19 is a flowchart of initialization processing. 1... CPU, 2... Song ROM, 3...
...RAM, 4...Tone memory section, 4a.
...RAM area, 4b...ROM area, 6...keyboard, 8...switch input section, 10...register section, 11. ...Music tone creation section, 13...Tone register section, 14...
...Amplifier, 15...Speaker, 16...
...Calculation unit, 17-23...Key for parameter selection specification, 24. Initialize key, 25
...Numeric keypad, 26-28...Keys for envelope parameter setting, 29...Tone switch.

Claims

[Scope of utility model registration request]

an initial value storage means for storing a predetermined initial value for each of a plurality of parameters that determine the timbre of a musical sound; a setting means for setting each of the parameters to an arbitrary value different from the initial value; a musical sound generation means for creating and emitting a musical sound based on the sound, a selection means for selecting at least one of the plurality of parameters, and the setting value of the selected parameter is the same as the initial value of the initial value storage means. 1. A parameter setting device for an electronic musical instrument, comprising: initializing means for restoring settings.