JPS5973853U - Audio signal cutoff circuit - Google Patents
Audio signal cutoff circuitInfo
- Publication number
- JPS5973853U JPS5973853U JP16947482U JP16947482U JPS5973853U JP S5973853 U JPS5973853 U JP S5973853U JP 16947482 U JP16947482 U JP 16947482U JP 16947482 U JP16947482 U JP 16947482U JP S5973853 U JPS5973853 U JP S5973853U
- Authority
- JP
- Japan
- Prior art keywords
- noise
- zero
- signal
- cutoff circuit
- audio 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.)
- Granted
Links
Landscapes
- Noise Elimination (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図及び第2図は本考案の原理を説明する波形図、第
3図は本考案の一実施例を示すブロック図、第4図は本
考案の他の実施例を示すブロック図である。
2・・・遅延回路、3・・・ノイズ検出回路、5・・・
ゼロクロス点検出回路。Figures 1 and 2 are waveform diagrams explaining the principle of the present invention, Figure 3 is a block diagram showing one embodiment of the invention, and Figure 4 is a block diagram showing another embodiment of the invention. . 2...Delay circuit, 3...Noise detection circuit, 5...
Zero cross point detection circuit.
Claims (1)
、該ノイズ検出手段の出力に応答して上記信号の低周波
成分を上記ノイズの前後において除去する低周波成分除
去手段と、該低周波成分除去手段の出力の上記ノイズの
前後におけるゼロクロス点を検出するゼロクロス点検出
手段と、該ゼロクロス点検出手段の出力によりノイズの
前後における上記ゼロクロス点間の信号及びノイズを遮
断することを特徴とする音声信号遮断回路。noise detection means for detecting the position of occurrence of noise in a signal; low frequency component removal means for removing low frequency components of the signal before and after the noise in response to the output of the noise detection means; A sound characterized by a zero-crossing point detecting means for detecting a zero-crossing point before and after the noise of the output of the removing means, and a signal and noise between the zero-crossing points before and after the noise are blocked by the output of the zero-crossing point detecting means. Signal cutoff circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16947482U JPS5973853U (en) | 1982-11-09 | 1982-11-09 | Audio signal cutoff circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16947482U JPS5973853U (en) | 1982-11-09 | 1982-11-09 | Audio signal cutoff circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5973853U true JPS5973853U (en) | 1984-05-19 |
JPH0110024Y2 JPH0110024Y2 (en) | 1989-03-22 |
Family
ID=30370238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16947482U Granted JPS5973853U (en) | 1982-11-09 | 1982-11-09 | Audio signal cutoff circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5973853U (en) |
-
1982
- 1982-11-09 JP JP16947482U patent/JPS5973853U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0110024Y2 (en) | 1989-03-22 |
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