JPH01105989U - - Google Patents
Info
- Publication number
- JPH01105989U JPH01105989U JP19969787U JP19969787U JPH01105989U JP H01105989 U JPH01105989 U JP H01105989U JP 19969787 U JP19969787 U JP 19969787U JP 19969787 U JP19969787 U JP 19969787U JP H01105989 U JPH01105989 U JP H01105989U
- Authority
- JP
- Japan
- Prior art keywords
- envelope
- waveform
- musical instrument
- electronic musical
- information
- 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
- 238000010586 diagram Methods 0.000 description 13
Description
第１図は本考案に係る第１の実施例の構成を示
すブロツク図、第２図はピツチエンベロープデー
タを示す図、第３図はピツチエンベロープ波形を
示す図、第４図はピツチエンベロープ波形作成の
処理動作を示すフローチヤート、第５図ａはピツ
チエンベロープ波形を示す図、第５図ｂはエンベ
ロープ波形を示す図、第６図は第２の実施例の構
成を示すブロツク図、第７図はそのエンベロープ
データを示す図、第８図はエンベロープ形状を示
す図、第９図は従来の電子楽器の構成を示すブロ
ツク図、第１０図は従来のエンベロープデータを
示す図、第１１図は従来のエンベロープ形状を示
す図、第１２図は従来の電子楽器の他の構成を示
すブロツク図である。
１……鍵盤、３，１５……エンベロープアドレ
ス制御部、４……演算回路、９，１６……エンベ
ロープデータＲＯＭ、１３……ピツチエンベロー
プ制御部、１４……ピツチエンベロープデータＲ
ＯＭ、１７……トレモロ機能処理部。
FIG. 1 is a block diagram showing the configuration of the first embodiment of the present invention, FIG. 2 is a diagram showing pitch envelope data, FIG. 3 is a diagram showing a pitch envelope waveform, and FIG. 4 is a diagram showing pitch envelope waveform creation. FIG. 5a is a diagram showing the pitch envelope waveform, FIG. 5b is a diagram showing the envelope waveform, FIG. 6 is a block diagram showing the configuration of the second embodiment, and FIG. is a diagram showing the envelope data, FIG. 8 is a diagram showing the envelope shape, FIG. 9 is a block diagram showing the configuration of a conventional electronic musical instrument, FIG. 10 is a diagram showing the conventional envelope data, and FIG. 11 is a diagram showing the conventional electronic musical instrument. FIG. 12 is a block diagram showing another configuration of a conventional electronic musical instrument. 1... Keyboard, 3, 15... Envelope address control section, 4... Arithmetic circuit, 9, 16... Envelope data ROM, 13... Pitch envelope control section, 14... Pitch envelope data R
OM, 17...Tremolo function processing section.
Claims (1)
記憶手段と、 この記憶手段に記憶されているエンベロープ情
報の一部あるいは全部を繰り返し読み出すことに
より、任意の波形形状を持つエンベロープ波形を
周期的に発生するように制御するエンベロープ波
形発生制御手段と を有することを特徴とする電子楽器のエンベロ
ープ発生装置。 ２ 前記記憶手段は複数のステツプごとに到達レ
ベルまたは／および傾きデータからなるエンベロ
ープ情報を記憶し、 前記エンベロープ波形発生制御手段は前記記憶
手段に記憶されている複数ステツプのエンベロー
プ情報の一部あるいは全部を繰り返し読み出すこ
とにより、振幅あるいは周期の少なくとも一方が
周期的に変化する波形形状のエンベロープ波形を
発生することを特徴とする実用新案登録請求の範
囲第１項記載の電子楽器のエンベロープ発生装置
。[Claims for Utility Model Registration] 1. A storage device that stores waveform information of an envelope waveform, and a device that can have an arbitrary waveform shape by repeatedly reading out part or all of the envelope information stored in this storage device. 1. An envelope generator for an electronic musical instrument, comprising: envelope waveform generation control means for controlling the envelope waveform to be generated periodically. 2. The storage means stores envelope information consisting of attained level and/or slope data for each of a plurality of steps, and the envelope waveform generation control means stores part or all of the envelope information of the plurality of steps stored in the storage means. 2. The envelope generating device for an electronic musical instrument according to claim 1, wherein the envelope generating device for an electronic musical instrument according to claim 1 is characterized in that an envelope waveform having a waveform shape in which at least one of an amplitude and a period changes periodically is generated by repeatedly reading out the envelope waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19969787U JPH01105989U (en) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19969787U JPH01105989U (en) | 1987-12-29 | 1987-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105989U true JPH01105989U (en) | 1989-07-17 |
Family
ID=31490139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19969787U Pending JPH01105989U (en) | 1987-12-29 | 1987-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03123394A (en) * | 1989-10-06 | 1991-05-27 | Yamaha Corp | Waveform signal generating device for controlling musical sound |
-
1987
- 1987-12-29 JP JP19969787U patent/JPH01105989U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03123394A (en) * | 1989-10-06 | 1991-05-27 | Yamaha Corp | Waveform signal generating device for controlling musical sound |
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