FR2535553B1 - METHOD AND DEVICE FOR REDUCING NOISE PERCEPTION IN A SPEECH SIGNAL TRANSMISSION SYSTEM - Google Patents

METHOD AND DEVICE FOR REDUCING NOISE PERCEPTION IN A SPEECH SIGNAL TRANSMISSION SYSTEM

Info

Publication number
FR2535553B1
FR2535553B1 FR8218249A FR8218249A FR2535553B1 FR 2535553 B1 FR2535553 B1 FR 2535553B1 FR 8218249 A FR8218249 A FR 8218249A FR 8218249 A FR8218249 A FR 8218249A FR 2535553 B1 FR2535553 B1 FR 2535553B1
Authority
FR
France
Prior art keywords
signal transmission
transmission system
speech signal
reducing noise
noise perception
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
Application number
FR8218249A
Other languages
French (fr)
Other versions
FR2535553A1 (en
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8218249A priority Critical patent/FR2535553B1/en
Publication of FR2535553A1 publication Critical patent/FR2535553A1/en
Application granted granted Critical
Publication of FR2535553B1 publication Critical patent/FR2535553B1/en
Expired 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
FR8218249A 1982-10-29 1982-10-29 METHOD AND DEVICE FOR REDUCING NOISE PERCEPTION IN A SPEECH SIGNAL TRANSMISSION SYSTEM Expired FR2535553B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8218249A FR2535553B1 (en) 1982-10-29 1982-10-29 METHOD AND DEVICE FOR REDUCING NOISE PERCEPTION IN A SPEECH SIGNAL TRANSMISSION SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8218249A FR2535553B1 (en) 1982-10-29 1982-10-29 METHOD AND DEVICE FOR REDUCING NOISE PERCEPTION IN A SPEECH SIGNAL TRANSMISSION SYSTEM

Publications (2)

Publication Number Publication Date
FR2535553A1 FR2535553A1 (en) 1984-05-04
FR2535553B1 true FR2535553B1 (en) 1985-11-08

Family

ID=9278779

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8218249A Expired FR2535553B1 (en) 1982-10-29 1982-10-29 METHOD AND DEVICE FOR REDUCING NOISE PERCEPTION IN A SPEECH SIGNAL TRANSMISSION SYSTEM

Country Status (1)

Country Link
FR (1) FR2535553B1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE430455B (en) * 1978-04-21 1983-11-14 Nippon Telegraph & Telephone RECEIVER DEVICE WITH THE FUNCTION TO COMPRESS NOISE DURING Sudden Interruptions

Also Published As

Publication number Publication date
FR2535553A1 (en) 1984-05-04

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Legal Events

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