DE3689098D1 - System fuer kombinierte sprachinterpolation und adaptive differentielle pulscode-modulation. - Google Patents

System fuer kombinierte sprachinterpolation und adaptive differentielle pulscode-modulation.

Info

Publication number
DE3689098D1
DE3689098D1 DE86630061T DE3689098T DE3689098D1 DE 3689098 D1 DE3689098 D1 DE 3689098D1 DE 86630061 T DE86630061 T DE 86630061T DE 3689098 T DE3689098 T DE 3689098T DE 3689098 D1 DE3689098 D1 DE 3689098D1
Authority
DE
Germany
Prior art keywords
signals
bearer channels
transmission
assignment messages
trunks
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 - Lifetime
Application number
DE86630061T
Other languages
English (en)
Inventor
Joshua Piasecki
Silvain Schaffer
Aharon Segev
Jacob Ben-Zeev
Teodor Henquin
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.)
ECI Telecom Ltd
Original Assignee
ECI Telecom 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 ECI Telecom Ltd filed Critical ECI Telecom Ltd
Application granted granted Critical
Publication of DE3689098D1 publication Critical patent/DE3689098D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
    • H04J3/1688—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers the demands of the users being taken into account after redundancy removal, e.g. by predictive coding, by variable sampling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Analogue/Digital Conversion (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Amplifiers (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE86630061T 1985-04-17 1986-04-10 System fuer kombinierte sprachinterpolation und adaptive differentielle pulscode-modulation. Expired - Lifetime DE3689098D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL74965A IL74965A (en) 1985-04-17 1985-04-17 Combination tasi and adpcm apparatus

Publications (1)

Publication Number Publication Date
DE3689098D1 true DE3689098D1 (de) 1993-11-04

Family

ID=11055845

Family Applications (1)

Application Number Title Priority Date Filing Date
DE86630061T Expired - Lifetime DE3689098D1 (de) 1985-04-17 1986-04-10 System fuer kombinierte sprachinterpolation und adaptive differentielle pulscode-modulation.

Country Status (7)

Country Link
US (1) US4747096A (de)
EP (1) EP0217722B1 (de)
JP (1) JPS625745A (de)
AT (1) ATE95357T1 (de)
CA (1) CA1265629A (de)
DE (1) DE3689098D1 (de)
IL (1) IL74965A (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4890282A (en) * 1988-03-08 1989-12-26 Network Equipment Technologies, Inc. Mixed mode compression for data transmission
US4937839A (en) * 1988-07-25 1990-06-26 Hycom Incorporated Frequency multiplexed full duplex 4800 bps modem
US5038366A (en) * 1988-07-25 1991-08-06 Hycom, Inc. Frequency multiplexed full duplex 4800 BPS modem
US4955037A (en) * 1989-01-19 1990-09-04 Bell Communications Research Inc. Apparatus and methods for recovering alignment from a non-ideally encoded multi-bit digital signal
IL89461A (en) * 1989-03-02 1994-06-24 Eci Telecom Limited Telephone communication compression system
US5065395A (en) * 1990-04-09 1991-11-12 Dsc Communications Corporation Rudimentary digital speech interpolation apparatus and method
JP2957665B2 (ja) * 1990-09-07 1999-10-06 富士通株式会社 Ｈｄｂ３，ａｍｉ符号則違反検出装置
JP2959353B2 (ja) * 1993-09-07 1999-10-06 三菱電機株式会社 エコーキャンセラ装置
SE504010C2 (sv) * 1995-02-08 1996-10-14 Ericsson Telefon Ab L M Förfarande och anordning för prediktiv kodning av tal- och datasignaler
US5737331A (en) * 1995-09-18 1998-04-07 Motorola, Inc. Method and apparatus for conveying audio signals using digital packets
JP3157116B2 (ja) * 1996-03-29 2001-04-16 三菱電機株式会社 音声符号化伝送システム
KR20000068922A (ko) * 1997-09-10 2000-11-25 요트.게.아. 롤페즈 통신 시스템 및 터미널
KR100520161B1 (ko) 1998-12-30 2005-11-24 삼성전자주식회사 국설교환기와isdn키폰시스템과의코딩변환회로
US6349213B1 (en) 1999-06-14 2002-02-19 Agere Systems Guardian Corp. Apparatus for enhanced voice quality in multiple cordless handset environment and method
JP2001318693A (ja) * 2000-05-08 2001-11-16 Mitsubishi Electric Corp 伝送装置および伝送方法
US7221684B1 (en) 2002-01-08 2007-05-22 Cisco Technology, Inc. Increasing network efficiency using packet compression and decompression
US20040179555A1 (en) * 2003-03-11 2004-09-16 Cisco Technology, Inc. System and method for compressing data in a communications environment
US7733793B1 (en) 2003-12-10 2010-06-08 Cisco Technology, Inc. System and method for suppressing silence data in a network environment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE361993B (de) * 1972-07-19 1973-11-19 Ericsson Telefon Ab L M
US4523309A (en) 1978-12-05 1985-06-11 Electronics Corporation Of Israel, Ltd. Time assignment speech interpolation apparatus
EP0025465B1 (de) * 1979-09-17 1986-12-03 E.C.I. Telecom Ltd Anordnung zur Verwendung in einem Fernsprechkommunikationssystem
EP0049428B1 (de) * 1979-09-17 1986-12-17 E.C.I. Telecom Ltd Anordnung zur Verwendung in einem Fernsprechverbindungssystem
IL63707A (en) * 1981-09-01 1984-05-31 Israel Electronics Corp Tasi apparatus for use with systems having interregister multifrequency signalling

Also Published As

Publication number Publication date
IL74965A0 (en) 1985-08-30
CA1265629A (en) 1990-02-06
EP0217722A3 (en) 1989-04-26
ATE95357T1 (de) 1993-10-15
EP0217722B1 (de) 1993-09-29
US4747096A (en) 1988-05-24
EP0217722A2 (de) 1987-04-08
IL74965A (en) 1990-07-12
JPS625745A (ja) 1987-01-12

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Legal Events

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8332 No legal effect for de