IL117329A - Method and apparatus for reducing residual far-end echo in voice communication networks - Google Patents

Method and apparatus for reducing residual far-end echo in voice communication networks

Info

Publication number
IL117329A
IL117329A IL11732996A IL11732996A IL117329A IL 117329 A IL117329 A IL 117329A IL 11732996 A IL11732996 A IL 11732996A IL 11732996 A IL11732996 A IL 11732996A IL 117329 A IL117329 A IL 117329A
Authority
IL
Israel
Prior art keywords
communication networks
voice communication
reducing residual
end echo
residual far
Prior art date
Application number
IL11732996A
Other versions
IL117329A0 (en
Original Assignee
At & T 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
Priority claimed from US08/398,272 external-priority patent/US5587998A/en
Application filed by At & T Corp filed Critical At & T Corp
Publication of IL117329A0 publication Critical patent/IL117329A0/en
Publication of IL117329A publication Critical patent/IL117329A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
IL11732996A 1995-03-03 1996-03-01 Method and apparatus for reducing residual far-end echo in voice communication networks IL117329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/398,272 US5587998A (en) 1995-03-03 1995-03-03 Method and apparatus for reducing residual far-end echo in voice communication networks

Publications (2)

Publication Number Publication Date
IL117329A0 IL117329A0 (en) 1996-07-23
IL117329A true IL117329A (en) 1999-08-17

Family

ID=23574727

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11732996A IL117329A (en) 1995-03-03 1996-03-01 Method and apparatus for reducing residual far-end echo in voice communication networks

Country Status (4)

Country Link
KR (1) KR970703071A (en)
IL (1) IL117329A (en)
PE (1) PE46097A1 (en)
TW (1) TW281833B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI703561B (en) * 2018-09-25 2020-09-01 塞席爾商元鼎音訊股份有限公司 Sound cancellation method and electronic device performing the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1208769B (en) * 1983-10-12 1989-07-10 Cselt Centro Studi Lab Telecom THERISTICS VARIATIONS OVER TIME PROCEDURE AND DEVICE FOR THE NUMERICAL CANCELLATION OF THE ECO GENERATED IN CONNECTIONS WITH CARAT
JPS61161034A (en) * 1985-01-09 1986-07-21 Matsushita Electric Ind Co Ltd Echo cancelling device
JPS62116025A (en) * 1985-11-15 1987-05-27 Nippon Telegr & Teleph Corp <Ntt> Echo canceler
JPH03127518A (en) * 1989-10-13 1991-05-30 Matsushita Electric Ind Co Ltd Echo canceller
US4947425A (en) * 1989-10-27 1990-08-07 At&T Bell Laboratories Echo measurement arrangement
JP2508574B2 (en) * 1992-11-10 1996-06-19 日本電気株式会社 Multi-channel eco-removal device

Also Published As

Publication number Publication date
PE46097A1 (en) 1997-12-03
IL117329A0 (en) 1996-07-23
TW281833B (en) 1996-07-21
KR970703071A (en) 1997-06-10
MX9605354A (en) 1998-05-31

Similar Documents

Publication Publication Date Title
AU2030195A (en) Method and apparatus for adaptive route selection in communication networks
IL113042A0 (en) Method and apparatus for data communications using simultaneous voice and data modem
AU6729596A (en) Methods and apparatus for originating voice calls
AU1676795A (en) Method and apparatus for underwater communication
IL119226A0 (en) Method and apparatus for suppressing noise in a communication system
AU1333197A (en) Apparatus and method for monitoring cellular telephone usage
PL317068A1 (en) Method of and apparatus for reducing residual echo from a remote terminal of voice communication network
AU7654996A (en) Method and apparatus for telephone call sub-billing
AU5602498A (en) Method and apparatus for providing secure network communications
GB2312817B (en) Method of and apparatus for echo reduction in a hands-free cellular radio communication system
AU2604797A (en) Methods and apparatus for implementing an outbound network call center
AU5363598A (en) Method and apparatus for sending an annoucement to caller
IL121370A0 (en) Method and apparatus for maintaining call quality in a communication system
EP0779738A3 (en) Communication apparatus and communication method
GB2317072B (en) Apparatus and method for increasing the intelligibility of a loudspeaker output and for echo cancellation in telephones
PL333923A1 (en) Method of and apparatus for providing communication within a network
IL119674A0 (en) Method and apparatus for simultaneous voice/data transmission
GB9524314D0 (en) Communication method and apparatus
AU2590795A (en) Telecommunications conferencing/communications apparatus and method
IL110005A (en) Method and apparatus for simultaneous transmission of voice and data in communication system
AU7387798A (en) Method and apparatus for enhanced call waiting in a telecommunications network
AU3014597A (en) Apparatus and method for connecting communications networks
EP0960521A4 (en) Apparatus and method for adapting an echo canceller in a communication system
AU1465097A (en) Network facsimile communication method and apparatus
AU5710998A (en) Method and apparatus for suppressing echo in telephony

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees