JPH0485363U

JPH0485363U -

Info

Publication number: JPH0485363U
Application number: JP12804190U
Authority: JP
Priority date: 1990-11-30
Filing date: 1990-11-30
Publication date: 1992-07-24

Description

[Brief explanation of drawings]

第１図は本考案に係る一実施例のシステム構成
図、第２図は鍵盤部の外観図、第３図ａ〜ｇはワ
ーキングＲＡＭの主要な内部構成図、第４図はＣ
ＰＵのゼネラルフローチヤート、第５図は鍵盤処
理の詳細を示すフローチヤート、第６図はテンキ
ー処理の動作を説明するフローチヤートである。１……ＣＰＵ、２……プログラムＲＯＭ、３…
…演奏データメモリ、４……鍵盤部、５……押鍵
検出回路、６……スイツチ部、７……スイツチ検
出回路、８……ワーキングＲＡＭ、９……楽音発
生回路、１０……Ｄ／Ａ変換器（デジタル／アナ
ログ変換器）、１１……アンプ、１２……スピー
カ。 Fig. 1 is a system configuration diagram of an embodiment of the present invention, Fig. 2 is an external view of the keyboard section, Figs. 3 a to g are main internal configuration diagrams of the working RAM, and Fig. 4 is a C
PU general flowchart, FIG. 5 is a flowchart showing details of keyboard processing, and FIG. 6 is a flowchart explaining operation of numeric keypad processing. 1...CPU, 2...Program ROM, 3...
... Performance data memory, 4 ... Keyboard section, 5 ... Key press detection circuit, 6 ... Switch section, 7 ... Switch detection circuit, 8 ... Working RAM, 9 ... Musical tone generation circuit, 10 ... D/ A converter (digital/analog converter), 11...amplifier, 12...speaker.

Claims

[Scope of Claim for Utility Model Registration] 1. A plurality of pitch specifying means provided for specifying pitches, and pitch information storage means for storing pitch information indicating the pitch of each melody note constituting a melody. a readout means for sequentially reading out the pitch information from the pitch information storage means; and a readout means for sequentially reading out the pitch information from the pitch information storage means; instruction means for sequentially instructing the pitch specification means; pronunciation processing means for performing pronunciation processing based on the pitch information read by the reading means; and operations with the pitch specification means instructed by the instruction means. a detecting means for detecting a match/mismatch with the pitch specifying means; a match counting means for counting the number of matches detected by the detecting means; and a matching number counting means for counting the number of mismatches detected by the detecting means. a first unit that instructs the pronunciation processing unit to perform pronunciation processing each time the plurality of pitch designation units are operated;
a second control means for instructing the pronunciation processing means to perform pronunciation processing when the plurality of pitch specifying means are operated and a match is detected by the detection means; a selection means for selectively selecting whether to control the pronunciation processing means by the control means or to control the pronunciation processing means by the second control means; and a number counted by the mismatch number counting means. When the number reaches a first predetermined value, the selection means is instructed to select controlling the sound generation processing means by the first control means, and the number counted by the coincidence counting means is set to a second predetermined value. An electronic musical instrument comprising: third control means for instructing the selection means to select control of the sound generation processing means by the second control means when a predetermined value is reached. 2. The electronic musical instrument according to claim 1, wherein the first and second predetermined values are each arbitrary numbers. 3. The electronic musical instrument according to claim 1, wherein the first and second predetermined values are automatically set depending on the complexity of the melody. 4. The electronic musical instrument according to claim 1, wherein the first and second predetermined values are each set by a user. 5. The electronic musical instrument according to claim 1, 2, 3, or 4, wherein the plurality of pitch specifying means are a plurality of keys.