ZA958232B - Fixed cellular terminal for two-wire telecommunications services - Google Patents

Fixed cellular terminal for two-wire telecommunications services

Info

Publication number
ZA958232B
ZA958232B ZA958232A ZA958232A ZA958232B ZA 958232 B ZA958232 B ZA 958232B ZA 958232 A ZA958232 A ZA 958232A ZA 958232 A ZA958232 A ZA 958232A ZA 958232 B ZA958232 B ZA 958232B
Authority
ZA
South Africa
Prior art keywords
telecommunications services
cellular terminal
fixed cellular
wire telecommunications
wire
Prior art date
Application number
ZA958232A
Other languages
English (en)
Inventor
Antonio Javier Morcil Martinez
Original Assignee
Alcatel Nv
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 Alcatel Nv filed Critical Alcatel Nv
Publication of ZA958232B publication Critical patent/ZA958232B/xx

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/012—Comfort noise or silence coding
    • 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)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Filters That Use Time-Delay Elements (AREA)
ZA958232A 1994-09-30 1995-09-29 Fixed cellular terminal for two-wire telecommunications services ZA958232B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES09402067A ES2101638B1 (es) 1994-09-30 1994-09-30 Terminal celular fijo para servicios de telecomunicaciones a dos hilos.

Publications (1)

Publication Number Publication Date
ZA958232B true ZA958232B (en) 1996-04-24

Family

ID=8287609

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA958232A ZA958232B (en) 1994-09-30 1995-09-29 Fixed cellular terminal for two-wire telecommunications services

Country Status (8)

Country Link
EP (1) EP0704988A2 (ja)
JP (1) JPH08195700A (ja)
CN (1) CN1129888A (ja)
AU (1) AU703600B2 (ja)
CA (1) CA2159577A1 (ja)
ES (1) ES2101638B1 (ja)
NZ (1) NZ272929A (ja)
ZA (1) ZA958232B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2113320B1 (es) * 1996-05-30 1999-01-16 Alcatel Standard Electrica Dispositivo supresor del eco.
US6163608A (en) * 1998-01-09 2000-12-19 Ericsson Inc. Methods and apparatus for providing comfort noise in communications systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918725A (en) * 1987-11-25 1990-04-17 Nec Corporation Terminal impedance setting circuit for a two-wire to four-wire converting circuit
GB2245459A (en) * 1990-06-20 1992-01-02 Motorola Inc Echo canceller with adaptive voice switch attenuation
US5249225A (en) * 1991-10-25 1993-09-28 Coherent Communications Systems Corp. Self-balancing hybrid using digitally programmable attenuator for variable impedance elements
US5353348A (en) * 1993-05-14 1994-10-04 Jrc International, Inc. Double echo cancelling system

Also Published As

Publication number Publication date
AU703600B2 (en) 1999-03-25
CA2159577A1 (en) 1996-03-31
NZ272929A (en) 1998-08-26
CN1129888A (zh) 1996-08-28
AU3038295A (en) 1996-04-18
EP0704988A2 (en) 1996-04-03
ES2101638B1 (es) 1998-03-01
JPH08195700A (ja) 1996-07-30
ES2101638A1 (es) 1997-07-01

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