NO990982D0 - Demping av mikrofon i telekommunikasjonssystemer - Google Patents

Demping av mikrofon i telekommunikasjonssystemer

Info

Publication number
NO990982D0
NO990982D0 NO990982A NO990982A NO990982D0 NO 990982 D0 NO990982 D0 NO 990982D0 NO 990982 A NO990982 A NO 990982A NO 990982 A NO990982 A NO 990982A NO 990982 D0 NO990982 D0 NO 990982D0
Authority
NO
Norway
Prior art keywords
functions
comfort noise
noise
background noise
silence
Prior art date
Application number
NO990982A
Other languages
English (en)
Other versions
NO314528B1 (no
NO990982L (no
Inventor
Hans Fredrik Svensson
Kjell Richard Elofsson
Original Assignee
Ericsson Telefon Ab L M
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24801637&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO990982(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO990982D0 publication Critical patent/NO990982D0/no
Publication of NO990982L publication Critical patent/NO990982L/no
Publication of NO314528B1 publication Critical patent/NO314528B1/no

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/342—Muting when some special characteristic of the signal is sensed which distinguishes it from noise, e.g. using speech detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
  • Telephone Function (AREA)
  • Noise Elimination (AREA)
NO19990982A 1996-08-28 1999-03-01 Demping av mikrofon i telekommunikasjonssystemer NO314528B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/697,569 US5881373A (en) 1996-08-28 1996-08-28 Muting a microphone in radiocommunication systems
PCT/SE1997/001385 WO1998009374A1 (en) 1996-08-28 1997-08-22 Muting a microphone in radiocommunication systems

Publications (3)

Publication Number Publication Date
NO990982D0 true NO990982D0 (no) 1999-03-01
NO990982L NO990982L (no) 1999-04-15
NO314528B1 NO314528B1 (no) 2003-03-31

Family

ID=24801637

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19990982A NO314528B1 (no) 1996-08-28 1999-03-01 Demping av mikrofon i telekommunikasjonssystemer

Country Status (17)

Country Link
US (1) US5881373A (no)
EP (1) EP0925645B1 (no)
JP (1) JP2000517130A (no)
KR (1) KR100468555B1 (no)
CN (1) CN1123118C (no)
AR (1) AR020176A1 (no)
AU (1) AU725431B2 (no)
BR (1) BR9711250A (no)
CA (1) CA2264175C (no)
CO (1) CO4700368A1 (no)
DE (1) DE69729386D1 (no)
EE (1) EE03889B1 (no)
ID (1) ID18032A (no)
NO (1) NO314528B1 (no)
RU (1) RU2187199C2 (no)
TR (1) TR199900416T2 (no)
WO (1) WO1998009374A1 (no)

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US6493338B1 (en) 1997-05-19 2002-12-10 Airbiquity Inc. Multichannel in-band signaling for data communications over digital wireless telecommunications networks
US6690681B1 (en) 1997-05-19 2004-02-10 Airbiquity Inc. In-band signaling for data communications over digital wireless telecommunications network
JPH10341256A (ja) * 1997-06-10 1998-12-22 Logic Corp 音声から有音を抽出し、抽出有音から音声を再生する方法および装置
US6138040A (en) * 1998-07-31 2000-10-24 Motorola, Inc. Method for suppressing speaker activation in a portable communication device operated in a speakerphone mode
US6226513B1 (en) 1998-09-23 2001-05-01 Lucent Technologies Inc. Network mute feature in wireless telecommunications systems
US6216011B1 (en) 1998-09-23 2001-04-10 Lucent Technologies Inc. Mobile unit for accommodating network mute feature in wireless telecommunications systems
CA2279033C (en) * 1998-09-23 2003-03-25 Lucent Technologies Inc. Network mute feature in wireless telecommunications systems
GB2350256B (en) * 1999-05-17 2001-05-30 Mitel Corp Click free mute switch circuit for telephones
US6597667B1 (en) * 1999-08-18 2003-07-22 Qualcomm Incorporated Network based muting of a cellular telephone
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US6662027B2 (en) * 2001-03-16 2003-12-09 Motorola, Inc. Method of arbitrating speakerphone operation in a portable communication device for eliminating false arbitration due to echo
US9378187B2 (en) * 2003-12-11 2016-06-28 International Business Machines Corporation Creating a presentation document
US7162692B2 (en) 2003-12-11 2007-01-09 International Business Machines Corporation Differential dynamic content delivery
US20050132273A1 (en) * 2003-12-11 2005-06-16 International Business Machines Corporation Amending a session document during a presentation
US7634412B2 (en) * 2003-12-11 2009-12-15 Nuance Communications, Inc. Creating a voice response grammar from a user grammar
US20050132271A1 (en) * 2003-12-11 2005-06-16 International Business Machines Corporation Creating a session document from a presentation document
US20050132274A1 (en) * 2003-12-11 2005-06-16 International Business Machine Corporation Creating a presentation document
US7567908B2 (en) 2004-01-13 2009-07-28 International Business Machines Corporation Differential dynamic content delivery with text display in dependence upon simultaneous speech
US8499232B2 (en) * 2004-01-13 2013-07-30 International Business Machines Corporation Differential dynamic content delivery with a participant alterable session copy of a user profile
US7571380B2 (en) * 2004-01-13 2009-08-04 International Business Machines Corporation Differential dynamic content delivery with a presenter-alterable session copy of a user profile
US7430707B2 (en) 2004-01-13 2008-09-30 International Business Machines Corporation Differential dynamic content delivery with device controlling action
US7890848B2 (en) 2004-01-13 2011-02-15 International Business Machines Corporation Differential dynamic content delivery with alternative content presentation
US8954844B2 (en) * 2004-01-13 2015-02-10 Nuance Communications, Inc. Differential dynamic content delivery with text display in dependence upon sound level
US8001454B2 (en) 2004-01-13 2011-08-16 International Business Machines Corporation Differential dynamic content delivery with presentation control instructions
US7287221B2 (en) 2004-01-13 2007-10-23 International Business Machines Corporation Differential dynamic content delivery with text display in dependence upon sound level
FR2868036B1 (fr) * 2004-03-24 2006-06-02 Eca Societe Par Actions Simpli Dispositif de mise a l'eau et de recuperation d'un vehicule submersible
US7827239B2 (en) * 2004-04-26 2010-11-02 International Business Machines Corporation Dynamic media content for collaborators with client environment information in dynamic client contexts
US7519659B2 (en) * 2004-04-26 2009-04-14 International Business Machines Corporation Dynamic media content for collaborators
US7831906B2 (en) * 2004-04-26 2010-11-09 International Business Machines Corporation Virtually bound dynamic media content for collaborators
US7519683B2 (en) * 2004-04-26 2009-04-14 International Business Machines Corporation Dynamic media content for collaborators with client locations in dynamic client contexts
US7519904B2 (en) * 2004-07-08 2009-04-14 International Business Machines Corporation Differential dynamic delivery of content to users not in attendance at a presentation
US7921362B2 (en) * 2004-07-08 2011-04-05 International Business Machines Corporation Differential dynamic delivery of presentation previews
US7487208B2 (en) * 2004-07-08 2009-02-03 International Business Machines Corporation Differential dynamic content delivery to alternate display device locations
US7428698B2 (en) * 2004-07-08 2008-09-23 International Business Machines Corporation Differential dynamic delivery of content historically likely to be viewed
US8185814B2 (en) * 2004-07-08 2012-05-22 International Business Machines Corporation Differential dynamic delivery of content according to user expressions of interest
US9167087B2 (en) * 2004-07-13 2015-10-20 International Business Machines Corporation Dynamic media content for collaborators including disparate location representations
US7426538B2 (en) 2004-07-13 2008-09-16 International Business Machines Corporation Dynamic media content for collaborators with VOIP support for client communications
US20060015557A1 (en) * 2004-07-13 2006-01-19 International Business Machines Corporation Dynamic media content for collaborator groups
US7487209B2 (en) * 2004-07-13 2009-02-03 International Business Machines Corporation Delivering dynamic media content for collaborators to purposeful devices
US7508810B2 (en) 2005-01-31 2009-03-24 Airbiquity Inc. Voice channel control of wireless packet data communications
US7475340B2 (en) * 2005-03-24 2009-01-06 International Business Machines Corporation Differential dynamic content delivery with indications of interest from non-participants
US7523388B2 (en) * 2005-03-31 2009-04-21 International Business Machines Corporation Differential dynamic content delivery with a planned agenda
US7493556B2 (en) * 2005-03-31 2009-02-17 International Business Machines Corporation Differential dynamic content delivery with a session document recreated in dependence upon an interest of an identified user participant
US20060287003A1 (en) * 2005-06-15 2006-12-21 Kamyar Moinzadeh Concomitant inband signaling for data communications over digital wireless telecommunications network
US7924934B2 (en) 2006-04-07 2011-04-12 Airbiquity, Inc. Time diversity voice channel data communications
BRPI0817012A2 (pt) 2007-10-20 2015-03-24 Airbiquity Inc Sinalização em banda sem fio com sistemas em veículo
DE102008009718A1 (de) 2008-02-19 2009-08-20 Siemens Enterprise Communications Gmbh & Co. Kg Verfahren und Mittel zur Enkodierung von Hintergrundrauschinformationen
US8594138B2 (en) 2008-09-15 2013-11-26 Airbiquity Inc. Methods for in-band signaling through enhanced variable-rate codecs
US7983310B2 (en) 2008-09-15 2011-07-19 Airbiquity Inc. Methods for in-band signaling through enhanced variable-rate codecs
US8073440B2 (en) 2009-04-27 2011-12-06 Airbiquity, Inc. Automatic gain control in a personal navigation device
US8418039B2 (en) 2009-08-03 2013-04-09 Airbiquity Inc. Efficient error correction scheme for data transmission in a wireless in-band signaling system
US8249865B2 (en) 2009-11-23 2012-08-21 Airbiquity Inc. Adaptive data transmission for a digital in-band modem operating over a voice channel
ES2644529T3 (es) * 2011-03-30 2017-11-29 Koninklijke Philips N.V. Determinar la distancia y/o calidad acústica entre un dispositivo móvil y una unidad de base
US8848825B2 (en) 2011-09-22 2014-09-30 Airbiquity Inc. Echo cancellation in wireless inband signaling modem

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JPH0744511B2 (ja) * 1988-09-14 1995-05-15 富士通株式会社 高郊率多重化方式
US5220685A (en) * 1990-06-15 1993-06-15 Bradt Gordon E Mute and automatic restore device for communications receivers
US5537509A (en) * 1990-12-06 1996-07-16 Hughes Electronics Comfort noise generation for digital communication systems
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JP3182032B2 (ja) * 1993-12-10 2001-07-03 株式会社日立国際電気 音声符号化通信方式及びその装置
DE4342425A1 (de) * 1993-12-13 1995-06-14 Philips Patentverwaltung Verfahren und Anordnung zum Übertragen von Sprachsignalen
JP2586827B2 (ja) * 1994-07-20 1997-03-05 日本電気株式会社 受信装置
US5835851A (en) * 1995-01-19 1998-11-10 Ericsson Inc. Method and apparatus for echo reduction in a hands-free cellular radio using added noise frames
US5737695A (en) * 1996-12-21 1998-04-07 Telefonaktiebolaget Lm Ericsson Method and apparatus for controlling the use of discontinuous transmission in a cellular telephone

Also Published As

Publication number Publication date
AR020176A1 (es) 2002-05-02
DE69729386D1 (de) 2004-07-08
CA2264175C (en) 2004-04-06
NO314528B1 (no) 2003-03-31
US5881373A (en) 1999-03-09
AU725431B2 (en) 2000-10-12
TR199900416T2 (xx) 1999-04-21
BR9711250A (pt) 1999-08-17
RU2187199C2 (ru) 2002-08-10
EP0925645B1 (en) 2004-06-02
EE03889B1 (et) 2002-10-15
JP2000517130A (ja) 2000-12-19
CA2264175A1 (en) 1998-03-05
ID18032A (id) 1998-02-19
KR20000035939A (ko) 2000-06-26
CN1123118C (zh) 2003-10-01
NO990982L (no) 1999-04-15
EE9900099A (et) 1999-10-15
CN1235712A (zh) 1999-11-17
KR100468555B1 (ko) 2005-01-29
AU3875497A (en) 1998-03-19
EP0925645A1 (en) 1999-06-30
CO4700368A1 (es) 1998-12-29
WO1998009374A1 (en) 1998-03-05

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