JPS606200U - signal generator - Google Patents
signal generatorInfo
- Publication number
- JPS606200U JPS606200U JP1983097320U JP9732083U JPS606200U JP S606200 U JPS606200 U JP S606200U JP 1983097320 U JP1983097320 U JP 1983097320U JP 9732083 U JP9732083 U JP 9732083U JP S606200 U JPS606200 U JP S606200U
- Authority
- JP
- Japan
- Prior art keywords
- pulse train
- counter
- storage device
- pulse
- signal
- 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図は従来の信号発生装置を示す図、第２図は本考案
による信号発生装置を示す図、第３図は、本考案による
信号発生装置の各部の波形を示す図である。
１・・・・・・ピッチ抽出回路、２・・・・・・遅延回
路、３゜８・・・・・・カウンタ、４，７・・・・・・
分周回路、９・・・・・・記゛ 憶装置、１０・・・・
・・Ｄ ／Ａ変換器、１１・・・・・・ローパスフィル
タ、１２．１４・・・・・・Ｄ−フリップ・フロップ、
１３・・・・・・ワンショットマルチバイブレータ、１
５・・・・・・ＯＲ回路、１６・・・・・・ＡＮＤ回路
。FIG. 1 is a diagram showing a conventional signal generating device, FIG. 2 is a diagram showing a signal generating device according to the present invention, and FIG. 3 is a diagram showing waveforms of various parts of the signal generating device according to the present invention. 1...Pitch extraction circuit, 2...Delay circuit, 3゜8...Counter, 4,7...
Frequency dividing circuit, 9... Storage device, 10...
...D/A converter, 11...Low-pass filter, 12.14...D-flip-flop,
13...One-shot multivibrator, 1
5...OR circuit, 16...AND circuit.
Claims (1)
入力信号のピッチを抽出すると共に前記ピッチのパルス
列の周期を変えるパルス列整形回路と、前記パルス列整
形回路から出力されたパルス列の１周期間における第１
のパルス列のパルス数をカウントする第１の計数器と、
前記計数器の計数値を分周比とするとともに、前記第２
のパルス列を入力する分周器と、前記分周器の出力パル
スをカウントする第２の計数器と、前記第２の計数器の
出力をアドレス信号とする記憶装置と、前記記憶装置の
出力をアナログ信号に変換するディジタル−アナログ変
換手段とを備え、前記第１のパルス列に対する第２のパ
ルス列の周波数比を前記記憶装置に記憶されたデータの
ワード数と等しくしたことを特徴とする信号発生装置。pulse generating means for generating first and second pulse trains;
a pulse train shaping circuit that extracts the pitch of an input signal and changes the period of a pulse train of the pitch;
a first counter that counts the number of pulses in the pulse train;
The count value of the counter is used as a frequency division ratio, and the second
a frequency divider that inputs the pulse train of the frequency divider, a second counter that counts the output pulses of the frequency divider, a storage device that uses the output of the second counter as an address signal, and a storage device that uses the output of the storage device as an address signal. A signal generating device comprising digital-to-analog converting means for converting into an analog signal, wherein the frequency ratio of the second pulse train to the first pulse train is equal to the number of words of data stored in the storage device. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983097320U JPS606200U (en) | 1983-06-23 | 1983-06-23 | signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983097320U JPS606200U (en) | 1983-06-23 | 1983-06-23 | signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS606200U true JPS606200U (en) | 1985-01-17 |
Family
ID=30231545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983097320U Pending JPS606200U (en) | 1983-06-23 | 1983-06-23 | signal generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS606200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0535276A (en) * | 1991-07-30 | 1993-02-12 | Yamaha Corp | Musical sound synthesizer device |
-
1983
- 1983-06-23 JP JP1983097320U patent/JPS606200U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0535276A (en) * | 1991-07-30 | 1993-02-12 | Yamaha Corp | Musical sound synthesizer device |
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