JPS63397U

JPS63397U -

Info

Publication number: JPS63397U
Application number: JP9124586U
Authority: JP
Priority date: 1986-06-17
Filing date: 1986-06-17
Publication date: 1988-01-05

Description

[Brief explanation of the drawing]

第１図は本考案の電子楽器の全体回路図、第２
図〜第４図は夫々、リズムスタート鍵域並びに伴
奏鍵域設定と伴奏音及びメロデイ音放音の処理、
リズムスタート及び伴奏のワンフインガー処理、
同じくリズムスタート及び伴奏のフインガード処
理のフローチヤートの図、第５図は鍵盤１のリズ
ムスタート鍵域、つまり、伴奏鍵域を示す図、第
６図はキーコードのコード内容を示す図である。１……鍵盤、２……ＣＰＵ、３……モードスイ
ツチ、４……メロデイ音作成部、７……スピーカ
、１０……分割位置用レジスタ、１１……リズム
パターンＲＯＭ、１２……アドレスカウンタ、１
３……トランスフアゲート群、１４……リズム音
源。 Figure 1 is the overall circuit diagram of the electronic musical instrument of the present invention, Figure 2
4 to 4 respectively show the rhythm start key range, accompaniment key range setting, accompaniment sound and melody sound emission processing,
Rhythm start and accompaniment one-finger processing,
Similarly, FIG. 5 is a flowchart of the rhythm start and accompaniment fine guard processing, FIG. 5 is a diagram showing the rhythm start key area of the keyboard 1, that is, the accompaniment key area, and FIG. 6 is a diagram showing the code contents of the key code. 1... Keyboard, 2... CPU, 3... Mode switch, 4... Melody sound creation unit, 7... Speaker, 10... Division position register, 11... Rhythm pattern ROM, 12... Address counter, 1
3...Transfer gate group, 14...Rhythm sound source.

Claims

[Scope of Claim for Utility Model Registration] A keyboard that can be divided into a rhythm start key range and other key ranges that start a rhythm in synchronization with key press operations, and a rhythm start range for the above keyboard using the keys of this keyboard. Rhythm start key range setting means that divides the keyboard range into two parts, a range of the key range and a range of other keys, display means provided corresponding to each key of the keyboard, and division by the rhythm start key range setting means. a display control means for distinguishing and displaying each set key range through the display means; and an operation key range determination unit for determining whether an operation key of the keyboard belongs to a rhythm start key range or a key range other than the rhythm start key range. means, a rhythm sound information storage means for storing rhythm sound information, and when the operation key range determining means determines that the operation key is in the rhythm start key range, a predetermined rhythm sound information storage means from the rhythm sound information storage means; Rhythm information reading means for reading rhythm sound information from the rhythm information reading means, and rhythm sound creation and sound emitting means for creating and emitting rhythm sounds based on the rhythm sound information from the rhythm information reading means. electronic musical instrument.