KR930014242A

KR930014242A - Keyboard area expansion device and method of electronic musical instrument

Info

Publication number: KR930014242A
Application number: KR1019910025293A
Authority: KR
Inventors: 추교신
Original assignee: 이헌조; 주식회사 금성사
Priority date: 1991-12-30
Filing date: 1991-12-30
Publication date: 1993-07-22

Abstract

본 발명은 제한된 건반수를 갖는 전자악기에서 현재 건반에 대응되는 음정(Note)을 전체적으로 또는 일부를 옥타브 변경(Octave Shift) 처리하여 건반영역을 확장 연주할 수 있도록 한 장치와 그 방법에 관한 것으로 종래의 전자 건반악기는 건반수가 결정되면 그 건반수 이외의 옥타브에 속하는 음정을 연주할 수 없으므로 예를들어 61건 또는 49건의 건반악기에서는 그 건반수가 제한되기 때문에 건반 스케일을 넘는 음정을 연주할 수 없게 되어 연주악보에 제약이 수반되는 문제점을 해결하기 위한 것이다.The present invention relates to an apparatus and method for expanding a keyboard region by processing an entire or part of an octave shift in a note corresponding to a current key in an electronic musical instrument having a limited number of keys. If the key is determined to be a key, you cannot play a note that belongs to an octave other than the key, so for example, 61 or 49 keyboards will not be able to play notes that exceed the keyboard scale, since the number of keys is limited. It is to solve the problem that is accompanied by restrictions on the performance score.

본 발명은 전자악기의 기능스위치부에 옥타브 변경키이를 구비하고 이 옥타브 변경키이의 조작 정보를 검색하여 현재 건반에 대응되는 음정을 1옥타브씩 좌/우로 시프트시키므로서 건반을 다른 음계의 영역으로 재배열시켜 연주영역을 용이하게 확장할 수 있도록한 것으로 전자 건반악기에 적용한다.The present invention includes an octave change key in the function switch section of an electronic musical instrument, retrieves the operation information of the octave change key, and shifts the note corresponding to the current key to the left / right by one octave, thereby resetting the keyboard to a range of other musical scales. It is arranged so that the playing area can be easily expanded. It is applied to electronic keyboard instruments.

Description

Keyboard area expansion device and method of electronic musical instrument

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 전자악기의 블록구성도.1 is a block diagram of an electronic musical instrument.

제2도는 본 발명에 의한 기능스위치부 구성도.2 is a functional switch unit configuration diagram according to the present invention.

제3도는 본 발명에 의한 건반부의 키이 매트릭스 회로도.3 is a key matrix circuit diagram of a keyboard unit according to the present invention.

Claims

Characterized in that the first to fourth shift keys (SH1-SH4) for shifting the pitch corresponding to the keyboard of the electronic musical instrument in the octave unit, and the shift key in the CPU (4) reassigns the keyboard scale in response to the operation information Key area expansion device for electronic instruments.

Search the shift key (SH1-SH4) for octave change, set the octave change mode corresponding to the shift key as a result of the search, and adjust the remaining key pitch based on the specified key pitch according to the set octave change mode. A method of expanding a keyboard region of an electronic musical instrument, characterized by shifting left or right in octave units and changing the pitch of the changed octaves.

※ Note: The disclosure is based on the initial application.