JPS5859099U

JPS5859099U - electronic musical instruments

Info

Publication number: JPS5859099U
Application number: JP10199482U
Authority: JP
Inventors: 亀山征二; 橋詰光; 近藤達憲; 江沢定明; 坂下哲司; 釘沢敏雄; 渡辺宏徳; 尾林宣治; 鷲山豊
Original assignee: 株式会社河合楽器製作所
Priority date: 1982-07-06
Filing date: 1982-07-06
Publication date: 1983-04-21
Also published as: JPS5855437Y2

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 the drawing]

第１図は本考案の実施例の構成を示す説明図、第２図は
実施例の要部の詳細図であり、図中、１は鍵盤、２ｔ、
　　２２はキーアサイナ、３１．　３２はゲート回路、
４□、４□ｉ音名選択回路、５１．　５２は波形形成回
路、６１＊　６２はアドレスカウンタ、７ｉ、　　７２
．　８ｔ、　　８２はラッチ回路、９１．　９２はデー
１−何路、１０．．１０２は同期化パルス発生回路、１
１、．１１□は乗算回路、１２．．１２□はＤ−Ａ変換
器、１３□、１３２はアナログマルチプレクサ、１４は
マスク発振器、１５はフィルタ回路、１６はサウンドシ
ステム、１７は時分割クロック発生回路、１８は順序パ
ルス発生器、１９は補数回路、２０はメモリ回路、２Ｈ
ｉゲ一ト回路、２２は加　　−算回路、２３はオクター
ブ選択回路、２４□はゲート回路、２４゜は同期化回路
、２５は音色タブレット、２６□、２６□は音源装置を
示す。FIG. 1 is an explanatory diagram showing the configuration of an embodiment of the present invention, and FIG. 2 is a detailed diagram of the main parts of the embodiment. In the figure, 1 is a keyboard, 2t,
22 is a key assigner, 31. 32 is a gate circuit;
4□, 4□i note name selection circuit, 51. 52 is a waveform forming circuit, 61* 62 is an address counter, 7i, 72
．． 8t, 82 is a latch circuit, 91. 92 is Day 1-What road, 10. ．． 102 is a synchronization pulse generation circuit, 1
1. 11□ is a multiplication circuit, 12. ．． 12□ is a D-A converter, 13□, 132 are analog multiplexers, 14 is a mask oscillator, 15 is a filter circuit, 16 is a sound system, 17 is a time division clock generation circuit, 18 is a sequential pulse generator, 19 is a complement circuit, 20 is a memory circuit, 2H
22 is an addition circuit, 23 is an octave selection circuit, 24□ is a gate circuit, 24° is a synchronization circuit, 25 is a tone tablet, and 26□ and 26□ are tone generator devices.

Claims

[Scope of utility model registration request]

A memory circuit that divides a tone range into a plurality of tones, further divides a desired musical sound waveform in each of the divided tones into a plurality of sections, and stores information on the slope and amplitude change of the waveform in each section in each section; a selection circuit that selects from the memory circuit an area in which musical sound waveform data of a range corresponding to the name of the key pressed is stored, based on a control signal from a key assigner that generates and temporarily stores a key code in response to a key release; an adder circuit that adds the musical sound waveform data read out from the memory circuit under the same name by the selection; a plurality of sound source devices for forming a musical sound waveform from the synthesized musical sound waveform data from the adder circuit; 1. An electronic musical instrument, comprising means for temporarily storing synthetic musical sound waveform data in each sound source device, and reading out a plurality of synthetic musical sound waveform data from the memory circuit in a time-division manner.