JPS59182641A - Ｆｍ放送波の受信に際してのパルス性雑音の低減装置 - Google Patents
Ｆｍ放送波の受信に際してのパルス性雑音の低減装置Info
- Publication number
- JPS59182641A JPS59182641A JP5643083A JP5643083A JPS59182641A JP S59182641 A JPS59182641 A JP S59182641A JP 5643083 A JP5643083 A JP 5643083A JP 5643083 A JP5643083 A JP 5643083A JP S59182641 A JPS59182641 A JP S59182641A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sample
- pulse
- circuit
- hold circuit
- 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
- 238000005070 sampling Methods 0.000 claims abstract description 82
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 230000010354 integration Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 description 14
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 101500021165 Aplysia californica Myomodulin-A Proteins 0.000 description 1
- 101100115215 Caenorhabditis elegans cul-2 gene Proteins 0.000 description 1
- 102100038026 DNA fragmentation factor subunit alpha Human genes 0.000 description 1
- 101000950906 Homo sapiens DNA fragmentation factor subunit alpha Proteins 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present
- H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
-
- 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
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
- H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
-
- 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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5643083A JPS59182641A (ja) | 1983-03-31 | 1983-03-31 | Ｆｍ放送波の受信に際してのパルス性雑音の低減装置 |
| US06/594,683 US4574390A (en) | 1983-03-26 | 1984-03-26 | Noise reduction for stereophonic FM signals by high-speed sampling and linear interpolation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5643083A JPS59182641A (ja) | 1983-03-31 | 1983-03-31 | Ｆｍ放送波の受信に際してのパルス性雑音の低減装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59182641A true JPS59182641A (ja) | 1984-10-17 |
| JPS6252498B2 JPS6252498B2 (enrdf_load_stackoverflow) | 1987-11-05 |
Family
ID=13026869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5643083A Granted JPS59182641A (ja) | 1983-03-26 | 1983-03-31 | Ｆｍ放送波の受信に際してのパルス性雑音の低減装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59182641A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7551743B1 (en) | 1999-07-15 | 2009-06-23 | Mitsubishi Denki Kabushiki Kaisha | Noise reduction apparatus and audio output apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3030913U (ja) * | 1996-01-24 | 1996-11-12 | 有限会社毛利製作所 | 便器着座用把手部材 |
-
1983
- 1983-03-31 JP JP5643083A patent/JPS59182641A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7551743B1 (en) | 1999-07-15 | 2009-06-23 | Mitsubishi Denki Kabushiki Kaisha | Noise reduction apparatus and audio output apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6252498B2 (enrdf_load_stackoverflow) | 1987-11-05 |
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