JPS58175592U - Compression/expansion equipment for electronic musical instruments - Google Patents
Compression/expansion equipment for electronic musical instrumentsInfo
- Publication number
- JPS58175592U JPS58175592U JP7138782U JP7138782U JPS58175592U JP S58175592 U JPS58175592 U JP S58175592U JP 7138782 U JP7138782 U JP 7138782U JP 7138782 U JP7138782 U JP 7138782U JP S58175592 U JPS58175592 U JP S58175592U
- Authority
- JP
- Japan
- Prior art keywords
- compression
- musical tone
- electronic musical
- musical
- digital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
第１図は、本出願人が先に開発した電子楽器の圧縮伸張
装置の要部回路構成図、第２図は、この考案の一実施例
を示す要部回路構成図、第３図は出力端子Ａ。−Ａ２か
らの出力データと増幅率との関係を示す図である。 □Fig. 1 is a circuit diagram of the main parts of a compression/expansion device for electronic musical instruments that was previously developed by the applicant, Fig. 2 is a circuit diagram of the main parts showing an embodiment of this invention, and Fig. 3 is an output Terminal A. - It is a figure which shows the relationship between the output data and amplification factor from A2. □
Claims (2)
タルアナログ変換器に供給する楽音情報のシフトレベル
を決定し、このシフトレベルに応じて上記楽音情報をビ
ットシフトすることにより上記楽音情報を上記エンベロ
ープ情報に応じて圧縮あるいは伸張したのち上記ディジ
タルアナログ変換器に供給し楽音信号を得るようにした
電子楽器において、上記ディジタルアナログ変換器の出
力を抵抗分割して複数の分割出力を得る抵抗分割回路と
、この抵抗分割回路に接続された利得可変増幅器と、上
記シフトレベルに応じて上記抵抗分割出力を選択すると
共に上記利得可変増幅器の利得設定を行って所定レベル
の楽音信号を得る手段とを具備して成る電子楽器の圧縮
伸張装置。(1) Determine the shift level of musical tone information to be supplied to the digital-to-analog converter based on digital envelope information, and bit shift the musical tone information according to this shift level to change the musical tone information according to the envelope information. The electronic musical instrument is configured to compress or expand the signal and then supply it to the digital-to-analog converter to obtain a musical tone signal. An electronic device comprising: a variable gain amplifier connected to a dividing circuit; and means for selecting the resistor-divided output according to the shift level and setting the gain of the variable gain amplifier to obtain a musical tone signal of a predetermined level. Compression and expansion equipment for musical instruments.
が可変抵抗器から成る上記実用新案登録請求の範囲第１
項記載の電子楽器の圧縮伸張装置。(2) Claim 1 of the above utility model registration in which at least a part of the return resistance of the variable gain amplifier is a variable resistor
A compression/expansion device for an electronic musical instrument as described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7138782U JPS58175592U (en) | 1982-05-18 | 1982-05-18 | Compression/expansion equipment for electronic musical instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7138782U JPS58175592U (en) | 1982-05-18 | 1982-05-18 | Compression/expansion equipment for electronic musical instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58175592U true JPS58175592U (en) | 1983-11-24 |
Family
ID=30081005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7138782U Pending JPS58175592U (en) | 1982-05-18 | 1982-05-18 | Compression/expansion equipment for electronic musical instruments |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58175592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6431097U (en) * | 1987-08-13 | 1989-02-27 | ||
| JPH06332453A (en) * | 1993-05-19 | 1994-12-02 | Yamaha Corp | Signal processor for musical sound generator |
-
1982
- 1982-05-18 JP JP7138782U patent/JPS58175592U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6431097U (en) * | 1987-08-13 | 1989-02-27 | ||
| JPH06332453A (en) * | 1993-05-19 | 1994-12-02 | Yamaha Corp | Signal processor for musical sound generator |
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