JPS6056094U - pitch discriminator - Google Patents
pitch discriminatorInfo
- Publication number
- JPS6056094U JPS6056094U JP14842583U JP14842583U JPS6056094U JP S6056094 U JPS6056094 U JP S6056094U JP 14842583 U JP14842583 U JP 14842583U JP 14842583 U JP14842583 U JP 14842583U JP S6056094 U JPS6056094 U JP S6056094U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- pulse
- counter
- pulses
- generating means
- 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
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (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図は本考案の一実施例を示すブロック図、第２図は
表示器の一例を示す表示部分の正面図である。
１・・・・・・ＡＧＣアンプ、２・・・・・・ピッチ抽
出回路、３・・・・・・カウンタ、４・・・・・・パル
ス発振器、５・・・・・・ラッチ回路、６・・・・・・
Ｎ分周器、７・・・・・・カウンタ、８・・・・・・ラ
ッチ回路、９・・・・・・ビット比較器、１０・・・・
・・表示器。FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a front view of a display portion showing an example of a display device. 1...AGC amplifier, 2...Pitch extraction circuit, 3...Counter, 4...Pulse oscillator, 5...Latch circuit, 6...
N frequency divider, 7...Counter, 8...Latch circuit, 9...Bit comparator, 10...
··display.
Claims (1)
信号の１周期間におけるパルス列のパルス数をカウント
する第１のカウンタと、周期基準となるパルスの発生手
段と、上記発生手段で与えられたパルス数を設定分周比
て分周する分周器と、上記分周器の出力信号の１周期間
におけるパルス数をカウントする第２のカウンタと、両
カウンタ出力を比較する比較器と、比較出力を表示する
表示器とを具備したことを特徴とする音程判別器。means for generating a pulse train proportional to an input frequency; a first counter for counting the number of pulses in the pulse train during one cycle of the input signal; a pulse generating means serving as a period reference; and a pulse provided by the generating means. a frequency divider that divides the frequency according to a set frequency division ratio, a second counter that counts the number of pulses in one cycle period of the output signal of the frequency divider, a comparator that compares the outputs of both counters, and a comparison output. A pitch discriminator characterized by comprising a display device that displays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14842583U JPS6056094U (en) | 1983-09-26 | 1983-09-26 | pitch discriminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14842583U JPS6056094U (en) | 1983-09-26 | 1983-09-26 | pitch discriminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6056094U true JPS6056094U (en) | 1985-04-19 |
Family
ID=30329774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14842583U Pending JPS6056094U (en) | 1983-09-26 | 1983-09-26 | pitch discriminator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6056094U (en) |
-
1983
- 1983-09-26 JP JP14842583U patent/JPS6056094U/en active Pending
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