JPS51135306A - Ambifnt noise overhead block - Google Patents

Ambifnt noise overhead block

Info

Publication number
JPS51135306A
JPS51135306A JP6042075A JP6042075A JPS51135306A JP S51135306 A JPS51135306 A JP S51135306A JP 6042075 A JP6042075 A JP 6042075A JP 6042075 A JP6042075 A JP 6042075A JP S51135306 A JPS51135306 A JP S51135306A
Authority
JP
Japan
Prior art keywords
ambifnt
overhead block
noise overhead
noise
ambient noise
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.)
Pending
Application number
JP6042075A
Other languages
Japanese (ja)
Inventor
Juhei Takahashi
Hiroo Mafune
Hiroshi Onishi
Kenji Sunochi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP6042075A priority Critical patent/JPS51135306A/en
Publication of JPS51135306A publication Critical patent/JPS51135306A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

PURPOSE:To get rid of an abnormal change of ambient noise level by a disconnection of voice switch as sending sham ambient noise out to another in the condition of receiving in a two-way communication unit.
JP6042075A 1975-05-19 1975-05-19 Ambifnt noise overhead block Pending JPS51135306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6042075A JPS51135306A (en) 1975-05-19 1975-05-19 Ambifnt noise overhead block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6042075A JPS51135306A (en) 1975-05-19 1975-05-19 Ambifnt noise overhead block

Publications (1)

Publication Number Publication Date
JPS51135306A true JPS51135306A (en) 1976-11-24

Family

ID=13141685

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6042075A Pending JPS51135306A (en) 1975-05-19 1975-05-19 Ambifnt noise overhead block

Country Status (1)

Country Link
JP (1) JPS51135306A (en)

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