ATE405094T1 - Verfahren und einrichtung zur detektierung eines fernsprachsignals - Google Patents
Verfahren und einrichtung zur detektierung eines fernsprachsignalsInfo
- Publication number
- ATE405094T1 ATE405094T1 AT00918611T AT00918611T ATE405094T1 AT E405094 T1 ATE405094 T1 AT E405094T1 AT 00918611 T AT00918611 T AT 00918611T AT 00918611 T AT00918611 T AT 00918611T AT E405094 T1 ATE405094 T1 AT E405094T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- far end
- wire link
- end signal
- speaker
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/58—Anti-side-tone circuits
- H04M1/585—Anti-side-tone circuits implemented without inductive element
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interface Circuits In Exchanges (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPP9991A AUPP999199A0 (en) | 1999-04-28 | 1999-04-28 | Apparatus and method for detecting far end speech |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE405094T1 true ATE405094T1 (de) | 2008-08-15 |
Family
ID=3814192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT00918611T ATE405094T1 (de) | 1999-04-28 | 2000-04-28 | Verfahren und einrichtung zur detektierung eines fernsprachsignals |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1180299B1 (de) |
JP (1) | JP2002543681A (de) |
AT (1) | ATE405094T1 (de) |
AU (2) | AUPP999199A0 (de) |
CA (1) | CA2372142A1 (de) |
DE (1) | DE60039866D1 (de) |
NZ (1) | NZ514869A (de) |
WO (1) | WO2000065818A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4059818B2 (ja) | 2003-07-23 | 2008-03-12 | ティーオーエー株式会社 | ハウリングマージン測定装置 |
WO2013126015A1 (en) | 2012-02-23 | 2013-08-29 | N. V. Nutricia | Composition comprising non- digestible oligosaccharides |
US9782422B2 (en) | 2012-05-18 | 2017-10-10 | N.V. Nutricia | Treatment of conditions associated with mycotoxin exposure |
WO2016013928A1 (en) | 2014-07-24 | 2016-01-28 | N.V. Nutricia | Prevention or treatment of food allergy in infants and toddlers |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU578812B (en) * | 1912-07-23 | 1913-05-20 | Alfred Llewelyn Harford Hugh | Improvements in moisture jacketed provision safes |
US4715062A (en) * | 1985-03-22 | 1987-12-22 | Tie/Communications, Inc. | Speakerphone control circuit having low gain states and method for controlling gain of speakerphone |
JPS63126313A (ja) * | 1986-11-17 | 1988-05-30 | Hitachi Ltd | 電圧比較回路 |
DE3734446A1 (de) * | 1987-10-12 | 1989-06-15 | Telefonbau & Normalzeit Gmbh | Verfahren und schaltungsanordnung zur stoergeraeuschkompensation fuer ein mikrofon |
JPH0256155A (ja) * | 1988-08-22 | 1990-02-26 | Fujitsu Ten Ltd | ハウリング防止装置 |
GB8823080D0 (en) * | 1988-09-30 | 1988-11-09 | Stc Plc | Noise reduction in speech transmitter circuits |
JP2780856B2 (ja) * | 1990-07-06 | 1998-07-30 | アメリカン テレフォン アンド テレグラフ カムパニー | 音声信号処理装置とその方法 |
AU645860B2 (en) * | 1990-12-18 | 1994-01-27 | Alcatel Australia Limited | Method of automatically adjusting side-tone in a telephone subset |
CA2052351C (en) * | 1991-09-27 | 2000-05-23 | Gordon J. Reesor | Telephone handsfree algorithm |
US5381475A (en) * | 1993-12-02 | 1995-01-10 | At&T Corp. | Arrangement for suppressing echoes in a digital portable telephone |
GB9514553D0 (en) * | 1995-07-17 | 1995-09-13 | Hong Kong Telecommunications L | Loudspeaking telephone systems |
JPH1051534A (ja) * | 1996-07-30 | 1998-02-20 | Rinku Kk | 電話機のためのフリーハンド通話装置 |
US5974138A (en) * | 1997-05-08 | 1999-10-26 | Lucent Technologies Inc. | System and method for detecting customer premises equipment alerting signals |
US6044150A (en) * | 1997-08-21 | 2000-03-28 | 3Com Corporation | Method and apparatus for a host-based personal computer speakerphone |
-
1999
- 1999-04-28 AU AUPP9991A patent/AUPP999199A0/en not_active Abandoned
-
2000
- 2000-04-28 AT AT00918611T patent/ATE405094T1/de not_active IP Right Cessation
- 2000-04-28 WO PCT/AU2000/000375 patent/WO2000065818A1/en active IP Right Grant
- 2000-04-28 JP JP2000614643A patent/JP2002543681A/ja active Pending
- 2000-04-28 NZ NZ514869A patent/NZ514869A/xx not_active IP Right Cessation
- 2000-04-28 AU AU39501/00A patent/AU766924B2/en not_active Expired
- 2000-04-28 DE DE60039866T patent/DE60039866D1/de not_active Expired - Lifetime
- 2000-04-28 CA CA002372142A patent/CA2372142A1/en not_active Abandoned
- 2000-04-28 EP EP00918611A patent/EP1180299B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU3950100A (en) | 2000-11-10 |
NZ514869A (en) | 2002-10-25 |
AUPP999199A0 (en) | 1999-05-20 |
WO2000065818A1 (en) | 2000-11-02 |
EP1180299A4 (de) | 2006-09-20 |
JP2002543681A (ja) | 2002-12-17 |
EP1180299A1 (de) | 2002-02-20 |
CA2372142A1 (en) | 2000-11-02 |
EP1180299B1 (de) | 2008-08-13 |
DE60039866D1 (de) | 2008-09-25 |
AU766924B2 (en) | 2003-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |