ES475025A1 - Un circuito para suprimir ruido con configuracion de impul- sos en una senal de audio provocada por aranazos en un disco de gramofono. - Google Patents
Un circuito para suprimir ruido con configuracion de impul- sos en una senal de audio provocada por aranazos en un disco de gramofono.Info
- Publication number
- ES475025A1 ES475025A1 ES475025A ES475025A ES475025A1 ES 475025 A1 ES475025 A1 ES 475025A1 ES 475025 A ES475025 A ES 475025A ES 475025 A ES475025 A ES 475025A ES 475025 A1 ES475025 A1 ES 475025A1
- Authority
- ES
- Spain
- Prior art keywords
- circuit
- scratches
- audio frequency
- signals
- 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.)
- Expired
Links
- 230000005236 sound signal Effects 0.000 abstract 2
Classifications
-
- 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
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
-
- 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 or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Amplifiers (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Un circuito para suprimir ruido con configuración de impulsos en una señal de audio provocada por arañazos en un disco de gramófono, que comprende una sección de tratamiento de señales, conectada entre una frecuencia de audio y una salida de frecuencia de audio, que comprende un supresor de ruido que tiene una entrada de control, así como una sección de señales de control conectada entre la entrada de frecuencia de audio y la entrada de control, provista con un primer circuito de selección de umbral conectado con la entrada de frecuencia de audio para seleccionar señales con configuración de impulsos a partir de la señal de audio.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7712536A NL7712536A (nl) | 1977-11-15 | 1977-11-15 | Schakeling voor het onderdrukken van storingen tengevolge van krassen in een grammofoonplaat. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES475025A1 true ES475025A1 (es) | 1979-04-16 |
Family
ID=19829539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES475025A Expired ES475025A1 (es) | 1977-11-15 | 1978-11-13 | Un circuito para suprimir ruido con configuracion de impul- sos en una senal de audio provocada por aranazos en un disco de gramofono. |
Country Status (16)
Country | Link |
---|---|
US (1) | US4208634A (es) |
JP (1) | JPS5935081B2 (es) |
AR (1) | AR216810A1 (es) |
AT (1) | AT357779B (es) |
BE (1) | BE871971A (es) |
BR (1) | BR7807454A (es) |
CA (1) | CA1121736A (es) |
DE (1) | DE2849374A1 (es) |
ES (1) | ES475025A1 (es) |
FR (1) | FR2408966B1 (es) |
GB (1) | GB2008366B (es) |
HK (1) | HK33982A (es) |
IT (1) | IT1100094B (es) |
MX (1) | MX145185A (es) |
NL (1) | NL7712536A (es) |
SE (1) | SE7811668L (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6235121Y2 (es) * | 1980-04-30 | 1987-09-07 | ||
DE3028334C2 (de) * | 1980-07-25 | 1983-01-05 | Polygram Gmbh, 2000 Hamburg | Verfahren zum Beseitigen oder Unterdrücken von akustischen Störsignalen bei für den Wiedergabevorgang aufzubereitenden Audioprogrammen |
NL8100033A (nl) * | 1981-01-07 | 1982-08-02 | Philips Nv | Signaaloverdrachtsinrichting met een in stappen instelbare overdrachtskarakteristiek. |
DE3220252C2 (de) * | 1982-05-28 | 1985-09-12 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Beseitigung von Verzerrungen in Verstärkern |
JPS62131883U (es) * | 1986-02-13 | 1987-08-20 | ||
US4815141A (en) * | 1986-12-02 | 1989-03-21 | Carver Corporation | Apparatus and methods for removing unwanted components from a communications signal |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3593334A (en) * | 1968-11-29 | 1971-07-13 | Burroughs Corp | Pulse discrimination system |
BE757970A (fr) * | 1969-10-25 | 1971-04-23 | Philips Nv | Circuit permettant de supprimer des parasites dans un recepteurde signaux electriques |
US3803357A (en) * | 1971-06-30 | 1974-04-09 | J Sacks | Noise filter |
US3947636A (en) * | 1974-08-12 | 1976-03-30 | Edgar Albert D | Transient noise filter employing crosscorrelation to detect noise and autocorrelation to replace the noisey segment |
DE2512412C3 (de) * | 1975-03-21 | 1979-02-01 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Schaltungsanordnung zum Unterdrücken von Störungen in einem FM-Rundfunkempfänger |
FR2347741A1 (fr) * | 1977-04-01 | 1977-11-04 | Sacks Jack | Procede et dispositif de detection et de suppression de signaux parasites dans un enregistrement phonographique |
US4143333A (en) * | 1977-05-16 | 1979-03-06 | David P. Misunas | Impulse noise removing apparatus |
-
1977
- 1977-11-15 NL NL7712536A patent/NL7712536A/xx not_active Application Discontinuation
-
1978
- 1978-10-10 US US05/949,917 patent/US4208634A/en not_active Expired - Lifetime
- 1978-10-26 CA CA000314400A patent/CA1121736A/en not_active Expired
- 1978-11-01 AR AR274318A patent/AR216810A1/es active
- 1978-11-10 MX MX175571A patent/MX145185A/es unknown
- 1978-11-10 GB GB7844029A patent/GB2008366B/en not_active Expired
- 1978-11-10 IT IT29695/78A patent/IT1100094B/it active
- 1978-11-13 ES ES475025A patent/ES475025A1/es not_active Expired
- 1978-11-13 BR BR7807454A patent/BR7807454A/pt unknown
- 1978-11-13 BE BE191694A patent/BE871971A/xx not_active IP Right Cessation
- 1978-11-13 SE SE7811668A patent/SE7811668L/xx unknown
- 1978-11-13 FR FR7831987A patent/FR2408966B1/fr not_active Expired
- 1978-11-14 JP JP53140391A patent/JPS5935081B2/ja not_active Expired
- 1978-11-14 DE DE19782849374 patent/DE2849374A1/de active Granted
- 1978-11-15 AT AT816878A patent/AT357779B/de not_active IP Right Cessation
-
1982
- 1982-07-22 HK HK339/82A patent/HK33982A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
HK33982A (en) | 1982-07-30 |
CA1121736A (en) | 1982-04-13 |
FR2408966B1 (fr) | 1985-10-31 |
AR216810A1 (es) | 1980-01-31 |
IT7829695A0 (it) | 1978-11-10 |
FR2408966A1 (fr) | 1979-06-08 |
DE2849374C2 (es) | 1987-08-06 |
BR7807454A (pt) | 1979-07-17 |
DE2849374A1 (de) | 1979-05-17 |
IT1100094B (it) | 1985-09-28 |
JPS5479001A (en) | 1979-06-23 |
BE871971A (fr) | 1979-05-14 |
AT357779B (de) | 1980-07-25 |
GB2008366A (en) | 1979-05-31 |
NL7712536A (nl) | 1979-05-17 |
ATA816878A (de) | 1979-12-15 |
US4208634A (en) | 1980-06-17 |
JPS5935081B2 (ja) | 1984-08-27 |
SE7811668L (sv) | 1979-05-16 |
MX145185A (es) | 1982-01-12 |
GB2008366B (en) | 1982-05-06 |
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