ES396611A1 - Perfeccionamientos introducidos en un supresor de eco para un circuito telefonico en un sistema de transmision por cua-tro hilos. - Google Patents

Perfeccionamientos introducidos en un supresor de eco para un circuito telefonico en un sistema de transmision por cua-tro hilos.

Info

Publication number
ES396611A1
ES396611A1 ES396611A ES396611A ES396611A1 ES 396611 A1 ES396611 A1 ES 396611A1 ES 396611 A ES396611 A ES 396611A ES 396611 A ES396611 A ES 396611A ES 396611 A1 ES396611 A1 ES 396611A1
Authority
ES
Spain
Prior art keywords
speech
echo suppressor
transmission
transmission system
path
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
ES396611A
Other languages
English (en)
Spanish (es)
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of ES396611A1 publication Critical patent/ES396611A1/es
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
ES396611A 1970-11-03 1971-11-03 Perfeccionamientos introducidos en un supresor de eco para un circuito telefonico en un sistema de transmision por cua-tro hilos. Expired ES396611A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702054073 DE2054073B2 (de) 1970-11-03 1970-11-03 Echosperre fuer einen sprechkreis auf einem vierdraht-uebertragungssystem

Publications (1)

Publication Number Publication Date
ES396611A1 true ES396611A1 (es) 1974-12-01

Family

ID=5787056

Family Applications (1)

Application Number Title Priority Date Filing Date
ES396611A Expired ES396611A1 (es) 1970-11-03 1971-11-03 Perfeccionamientos introducidos en un supresor de eco para un circuito telefonico en un sistema de transmision por cua-tro hilos.

Country Status (8)

Country Link
US (1) US3826878A (cg-RX-API-DMAC10.html)
AU (1) AU461069B2 (cg-RX-API-DMAC10.html)
DE (1) DE2054073B2 (cg-RX-API-DMAC10.html)
ES (1) ES396611A1 (cg-RX-API-DMAC10.html)
FR (1) FR2112418B1 (cg-RX-API-DMAC10.html)
GB (1) GB1329890A (cg-RX-API-DMAC10.html)
IL (1) IL37987A (cg-RX-API-DMAC10.html)
NL (1) NL151598B (cg-RX-API-DMAC10.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028506A (en) * 1973-12-12 1977-06-07 Nippon Electric Company, Ltd. Maximum value tracing circuit for digitized voice signals
US3906172A (en) * 1974-04-22 1975-09-16 Gen Electric Digital echo suppressor
JPS6050092B2 (ja) * 1977-11-08 1985-11-06 ケイディディ株式会社 適応制御型反響阻止装置
US4215252A (en) * 1978-09-27 1980-07-29 Communications Satellite Corporation Video teleconference audio echo control unit
US6510224B1 (en) 1999-05-20 2003-01-21 Telefonaktiebolaget L M Ericsson Enhancement of near-end voice signals in an echo suppression system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH492357A (it) * 1966-12-24 1970-06-15 Consiglio Naz Delle Ricerche E Procedimento per migliorare la qualità della trasmissione di circuiti telefonici
US3560669A (en) * 1969-02-25 1971-02-02 Wescom Echo suppressor

Also Published As

Publication number Publication date
DE2054073B2 (de) 1972-09-28
AU461069B2 (en) 1975-05-15
FR2112418A1 (cg-RX-API-DMAC10.html) 1972-06-16
NL151598B (nl) 1976-11-15
DE2054073A1 (de) 1972-05-10
US3826878A (en) 1974-07-30
FR2112418B1 (cg-RX-API-DMAC10.html) 1976-10-29
IL37987A (en) 1974-05-16
NL7115076A (cg-RX-API-DMAC10.html) 1972-05-05
GB1329890A (en) 1973-09-12
IL37987A0 (en) 1971-12-29
AU3491071A (en) 1973-05-03

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