JPS5528635A - Suppression system of pulsive noise - Google Patents
Suppression system of pulsive noiseInfo
- Publication number
- JPS5528635A JPS5528635A JP10195278A JP10195278A JPS5528635A JP S5528635 A JPS5528635 A JP S5528635A JP 10195278 A JP10195278 A JP 10195278A JP 10195278 A JP10195278 A JP 10195278A JP S5528635 A JPS5528635 A JP S5528635A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output
- composit
- multivibrator
- noise pulse
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
- H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
- H04H40/72—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving for noise suppression
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Noise Elimination (AREA)
- Stereo-Broadcasting Methods (AREA)
Abstract
PURPOSE:To reject the noise pulse, by interpolating the composit signal with the composit signal advanced with the phase by an a multiple time of the 19KHz pilot signal period than the composit signal. CONSTITUTION:The noise pulse detector 1 receives the output composit signal St of the frequency discrimination circuit and detects the noise pulse TN. The monostable multivibrator 2 is at ''1'' for the output for a given time T1 from the leading of the detector 1 with the detector of which output is at ''1'', and the monostable multivibrator 3 is a multivibrator in which the output is at ''1'' for a given time T2 from the trailing of the output of the multivibrator 2. Further, the delay circuit 4 delays the composit signal St for a given time TD, and the switch circuit 5 outputs the output of the circuit 4 SD(t) while the output of the multivibrator 3 is at ''0'' and outputs the signal St while at ''1''. Further, interpolatin is made with the composit signal lead in the phase by a multiple of time of the pilot signal period in 19KHz than the signal St to reject the noise pulse.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10195278A JPS5528635A (en) | 1978-08-21 | 1978-08-21 | Suppression system of pulsive noise |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10195278A JPS5528635A (en) | 1978-08-21 | 1978-08-21 | Suppression system of pulsive noise |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5528635A true JPS5528635A (en) | 1980-02-29 |
JPS6244451B2 JPS6244451B2 (en) | 1987-09-21 |
Family
ID=14314215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10195278A Granted JPS5528635A (en) | 1978-08-21 | 1978-08-21 | Suppression system of pulsive noise |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5528635A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6172939U (en) * | 1984-10-19 | 1986-05-17 |
-
1978
- 1978-08-21 JP JP10195278A patent/JPS5528635A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6172939U (en) * | 1984-10-19 | 1986-05-17 |
Also Published As
Publication number | Publication date |
---|---|
JPS6244451B2 (en) | 1987-09-21 |
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