JPS59136692U - electronic musical instruments - Google Patents
electronic musical instrumentsInfo
- Publication number
- JPS59136692U JPS59136692U JP2937983U JP2937983U JPS59136692U JP S59136692 U JPS59136692 U JP S59136692U JP 2937983 U JP2937983 U JP 2937983U JP 2937983 U JP2937983 U JP 2937983U JP S59136692 U JPS59136692 U JP S59136692U
- Authority
- JP
- Japan
- Prior art keywords
- frequency synthesizer
- output
- envelope
- electronic musical
- waveform
- 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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
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図は本考案に係わる周波数変調波を得るための構成
図、第２図は上記周波数変調波を復調するための構成図
、第３図は楽音波形とこの楽音波形に対応する周波数変
調波とを示す波形図である。
４・・・・・・ＲＯＭ、５・・・・・・エンベロープ部
、６・・・・・・ゲート回路部、１０・・・・・・周波
数シンセサイザ、１１・・・・・・発振器、１２・・・
・・・位相比較器、１３・・・・・・フィルタ、１４・
・・・・・電圧制御発振器、１５・・・・・・プログラ
マブルデバイダ。Fig. 1 is a block diagram for obtaining a frequency modulated wave according to the present invention, Fig. 2 is a block diagram for demodulating the frequency modulated wave, and Fig. 3 is a musical sound waveform and a frequency modulated wave corresponding to this musical sound waveform. FIG. 4... ROM, 5... Envelope section, 6... Gate circuit section, 10... Frequency synthesizer, 11... Oscillator, 12 ...
... Phase comparator, 13 ... Filter, 14.
...Voltage controlled oscillator, 15...Programmable divider.
Claims (1)
る記憶手段と、エンベロープ波形を出力するエンベロー
プ波形発生部と、上記記憶手段の出力と上記エンベロー
プ波形発生部からの出力とによりエンベロープ制御され
た波形データを生成する波形データ生成部と、位相比較
器、電圧制御発振器、プログラマブルデバイダから構成
される周波数シンセサイザと、この周波数シンセサイザ
からの信号を送信する送信部とを具備し、上記波形デー
タ生成部からの出力に従って、上記プログラマブルデバ
イダを制御し上記周波数シンセサイザから出力する信号
の周波数を可変とすることを特徴とする電子楽器。
−A keyboard section having a plurality of keys, a storage means for digitally storing waveforms, an envelope waveform generation section for outputting an envelope waveform, and an envelope controlled by the output of the storage means and the output from the envelope waveform generation section. The waveform data generation unit includes a waveform data generation unit that generates the waveform data, a frequency synthesizer that includes a phase comparator, a voltage controlled oscillator, and a programmable divider, and a transmission unit that transmits the signal from the frequency synthesizer. The electronic musical instrument is characterized in that the frequency of the signal output from the frequency synthesizer is varied by controlling the programmable divider according to the output from the frequency synthesizer.
−
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2937983U JPS59136692U (en) | 1983-03-01 | 1983-03-01 | electronic musical instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2937983U JPS59136692U (en) | 1983-03-01 | 1983-03-01 | electronic musical instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59136692U true JPS59136692U (en) | 1984-09-12 |
Family
ID=30160236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2937983U Pending JPS59136692U (en) | 1983-03-01 | 1983-03-01 | electronic musical instruments |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59136692U (en) |
-
1983
- 1983-03-01 JP JP2937983U patent/JPS59136692U/en active Pending
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