JPS617779B2 - - Google Patents

Info

Publication number
JPS617779B2
JPS617779B2 JP53046691A JP4669178A JPS617779B2 JP S617779 B2 JPS617779 B2 JP S617779B2 JP 53046691 A JP53046691 A JP 53046691A JP 4669178 A JP4669178 A JP 4669178A JP S617779 B2 JPS617779 B2 JP S617779B2
Authority
JP
Japan
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
Application number
JP53046691A
Other versions
JPS54139417A (en
Inventor
Hideyo Murashita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP4669178A priority Critical patent/JPS54139417A/ja
Priority to US06/030,977 priority patent/US4228545A/en
Priority to DE19792916127 priority patent/DE2916127C2/de
Priority to SE7903456A priority patent/SE430455B/sv
Publication of JPS54139417A publication Critical patent/JPS54139417A/ja
Publication of JPS617779B2 publication Critical patent/JPS617779B2/ja
Granted legal-status Critical Current

Links

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
    • H03G3/34—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Noise Elimination (AREA)
JP4669178A 1978-04-21 1978-04-21 Interpolation receiving devices at voice short break time Granted JPS54139417A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4669178A JPS54139417A (en) 1978-04-21 1978-04-21 Interpolation receiving devices at voice short break time
US06/030,977 US4228545A (en) 1978-04-21 1979-04-18 Receiver device having a function for suppressing transient noises during abrupt interruptions
DE19792916127 DE2916127C2 (de) 1978-04-21 1979-04-19 Einrichtung zur Unterdrückung vorübergehend auftretender Störgeräusche
SE7903456A SE430455B (sv) 1978-04-21 1979-04-19 Mottagaranordning med funktion att undertrycka brus under plotsliga avbrott

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4669178A JPS54139417A (en) 1978-04-21 1978-04-21 Interpolation receiving devices at voice short break time

Publications (2)

Publication Number Publication Date
JPS54139417A JPS54139417A (en) 1979-10-29
JPS617779B2 true JPS617779B2 (ja) 1986-03-08

Family

ID=12754396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4669178A Granted JPS54139417A (en) 1978-04-21 1978-04-21 Interpolation receiving devices at voice short break time

Country Status (2)

Country Link
US (1) US4228545A (ja)
JP (1) JPS54139417A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012230419A (ja) * 1999-04-19 2012-11-22 At & T Corp パケットロス又はフレーム消去隠蔽を実行するための方法及び装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5698944A (en) * 1980-01-11 1981-08-08 Akai Electric Co Ltd Holding circuit of previous value
US4587620A (en) * 1981-05-09 1986-05-06 Nippon Gakki Seizo Kabushiki Kaisha Noise elimination device
FR2538645B1 (fr) * 1982-12-28 1986-04-11 Thomson Csf Procede et dispositif d'interpolation de la parole dans un systeme de transmission de parole numerisee
DE3446529A1 (de) * 1984-12-20 1986-07-03 Blaupunkt-Werke Gmbh, 3200 Hildesheim Verfahren zur stoerverminderung in einer rundfunk-empfangsanlage
JP2538111B2 (ja) * 1990-08-20 1996-09-25 松下電器産業株式会社 音声復号化装置
DE10343332A1 (de) * 2003-09-12 2005-05-12 Atmel Germany Gmbh Verfahren zur Unterdrückung von Störungen in einem Signalverarbeitungssystem und Signalverarbeitungssystem
DE102004025300A1 (de) * 2004-05-19 2005-12-15 Micronas Gmbh Vorrichtung und Verfahren zur Rauschunterdrückung
US7683709B1 (en) 2008-06-05 2010-03-23 The United States Of America As Represented By The Secretary Of The Navy Low frequency power amplifier employing high frequency magnetic components

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904969A (en) * 1974-03-07 1975-09-09 Motorola Inc Audio periodicity squelch system
US4074069A (en) * 1975-06-18 1978-02-14 Nippon Telegraph & Telephone Public Corporation Method and apparatus for judging voiced and unvoiced conditions of speech signal
JPS6016582B2 (ja) * 1977-03-04 1985-04-26 日本電気株式会社 デイジタル周波数分析装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012230419A (ja) * 1999-04-19 2012-11-22 At & T Corp パケットロス又はフレーム消去隠蔽を実行するための方法及び装置
JP2013238894A (ja) * 1999-04-19 2013-11-28 At & T Corp フレーム消去隠蔽を実行するための装置
JP2014206761A (ja) * 1999-04-19 2014-10-30 エイ・ティ・アンド・ティ・コーポレーションＡｔ＆Ｔ Ｃｏｒｐ． フレーム消去隠蔽を実行するための装置
JP2015180972A (ja) * 1999-04-19 2015-10-15 エイ・ティ・アンド・ティ・コーポレーションＡｔ＆Ｔ Ｃｏｒｐ． フレーム消去隠蔽を実行するための装置

Also Published As

Publication number Publication date
JPS54139417A (en) 1979-10-29
US4228545A (en) 1980-10-14

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