ATE95357T1 - System fuer kombinierte sprachinterpolation und adaptive differentielle pulscode-modulation. - Google Patents
System fuer kombinierte sprachinterpolation und adaptive differentielle pulscode-modulation.Info
- Publication number
- ATE95357T1 ATE95357T1 AT86630061T AT86630061T ATE95357T1 AT E95357 T1 ATE95357 T1 AT E95357T1 AT 86630061 T AT86630061 T AT 86630061T AT 86630061 T AT86630061 T AT 86630061T AT E95357 T1 ATE95357 T1 AT E95357T1
- Authority
- AT
- Austria
- Prior art keywords
- signals
- bearer channels
- transmission
- assignment messages
- pulse code
- Prior art date
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL74965A IL74965A (en) | 1985-04-17 | 1985-04-17 | Combination tasi and adpcm apparatus |
EP86630061A EP0217722B1 (de) | 1985-04-17 | 1986-04-10 | System für kombinierte Sprachinterpolation und adaptive differentielle Pulscode-Modulation |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE95357T1 true ATE95357T1 (de) | 1993-10-15 |
Family
ID=11055845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT86630061T ATE95357T1 (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)
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 |
JP2001507546A (ja) * | 1997-09-10 | 2001-06-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 通信システム及び通信端末 |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE361993B (de) * | 1972-07-19 | 1973-11-19 | Ericsson Telefon Ab L M | |
CA1159166A (en) | 1978-12-05 | 1983-12-20 | Joshua Piasecki | Time assignment speech interpolation apparatus |
EP0049428B1 (de) * | 1979-09-17 | 1986-12-17 | E.C.I. Telecom Ltd | Anordnung zur Verwendung in einem Fernsprechverbindungssystem |
DE2967644D1 (en) * | 1979-09-17 | 1987-01-29 | Eci Telecom Ltd | Apparatus for use in telephone communication |
IL63707A (en) * | 1981-09-01 | 1984-05-31 | Israel Electronics Corp | Tasi apparatus for use with systems having interregister multifrequency signalling |
-
1985
- 1985-04-17 IL IL74965A patent/IL74965A/xx unknown
-
1986
- 1986-04-10 AT AT86630061T patent/ATE95357T1/de not_active IP Right Cessation
- 1986-04-10 EP EP86630061A patent/EP0217722B1/de not_active Expired - Lifetime
- 1986-04-10 DE DE86630061T patent/DE3689098D1/de not_active Expired - Lifetime
- 1986-04-16 JP JP61086215A patent/JPS625745A/ja active Pending
- 1986-04-17 CA CA000506907A patent/CA1265629A/en not_active Expired - Fee Related
- 1986-04-17 US US06/853,412 patent/US4747096A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3689098D1 (de) | 1993-11-04 |
US4747096A (en) | 1988-05-24 |
EP0217722A3 (en) | 1989-04-26 |
IL74965A (en) | 1990-07-12 |
JPS625745A (ja) | 1987-01-12 |
IL74965A0 (en) | 1985-08-30 |
CA1265629A (en) | 1990-02-06 |
EP0217722B1 (de) | 1993-09-29 |
EP0217722A2 (de) | 1987-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |