JPS60104900U - Audio band display device - Google Patents

Audio band display device

Info

Publication number
JPS60104900U
JPS60104900U JP1983197143U JP19714383U JPS60104900U JP S60104900 U JPS60104900 U JP S60104900U JP 1983197143 U JP1983197143 U JP 1983197143U JP 19714383 U JP19714383 U JP 19714383U JP S60104900 U JPS60104900 U JP S60104900U
Authority
JP
Japan
Prior art keywords
display device
fundamental frequency
audio band
waveform
band display
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
Application number
JP1983197143U
Other languages
Japanese (ja)
Inventor
細田 一正
沢 達也
Original Assignee
クラリオン株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by クラリオン株式会社 filed Critical クラリオン株式会社
Priority to JP1983197143U priority Critical patent/JPS60104900U/en
Publication of JPS60104900U publication Critical patent/JPS60104900U/en
Pending legal-status Critical Current

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  • 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

【図面の簡単な説明】[Brief explanation of drawings]

第1図は、この考案の音声帯域表示装置の実施    
例を示すブロック回路図、第2図a、 by cは、第
1図のブロック回路図の動作を説明するための波形図、
第3図は、第1図のブロック回路図を構成する周波数測
定器の一例を示すブロック回路図である。 1:マイクロフォン、2:増幅器、3:ローノ、でスフ
イルター、4:波形整形器、5:周波数測定器、6:表
示器。
Figure 1 shows the implementation of the audio band display device of this invention.
A block circuit diagram showing an example, FIGS. 2a and 2c are waveform diagrams for explaining the operation of the block circuit diagram in FIG. 1,
FIG. 3 is a block circuit diagram showing an example of a frequency measuring device constituting the block circuit diagram of FIG. 1. 1: Microphone, 2: Amplifier, 3: Rono filter, 4: Waveform shaper, 5: Frequency measuring device, 6: Display.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] マイクロフォンと、このマイクロフォンの音声信号を増
幅する増幅器と、この増幅器の出力信号より前記音声信
号の基本周波数成分を抽出するためのローパスフィルタ
ーと、このローパスフィルグーで抽出された前記基本周
波数成分を波形整形して矩形波とする波形整形器と、こ
の矩形波とされた前記基本周波数成分のパルス幅より前
記基本周波数を測定する周波数測定器と、この周波数測
定器の出力信号に基づいて周波数表示する表示器とを具
備してなることを特徴とする音声帯域表示装置。
A microphone, an amplifier for amplifying the audio signal of the microphone, a low-pass filter for extracting the fundamental frequency component of the audio signal from the output signal of the amplifier, and a waveform of the fundamental frequency component extracted by the low-pass filter. A waveform shaper that shapes the waveform into a rectangular wave, a frequency measuring device that measures the fundamental frequency from the pulse width of the fundamental frequency component that has been made into the rectangular wave, and a frequency display based on the output signal of the frequency measuring device. An audio band display device comprising: a display device.
JP1983197143U 1983-12-23 1983-12-23 Audio band display device Pending JPS60104900U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983197143U JPS60104900U (en) 1983-12-23 1983-12-23 Audio band display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983197143U JPS60104900U (en) 1983-12-23 1983-12-23 Audio band display device

Publications (1)

Publication Number Publication Date
JPS60104900U true JPS60104900U (en) 1985-07-17

Family

ID=30755215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983197143U Pending JPS60104900U (en) 1983-12-23 1983-12-23 Audio band display device

Country Status (1)

Country Link
JP (1) JPS60104900U (en)

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