JPS60104900U - Audio band display device - Google Patents
Audio band display deviceInfo
- 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
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、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)
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.
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) |
-
1983
- 1983-12-23 JP JP1983197143U patent/JPS60104900U/en active Pending
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