GB2303034B - A method to evaluate the hangover period in a speech decoder in discontinuous transmission, and a speech encoder and a transceiver - Google Patents

A method to evaluate the hangover period in a speech decoder in discontinuous transmission, and a speech encoder and a transceiver

Info

Publication number
GB2303034B
GB2303034B GB9612833A GB9612833A GB2303034B GB 2303034 B GB2303034 B GB 2303034B GB 9612833 A GB9612833 A GB 9612833A GB 9612833 A GB9612833 A GB 9612833A GB 2303034 B GB2303034 B GB 2303034B
Authority
GB
United Kingdom
Prior art keywords
speech
transceiver
evaluate
discontinuous transmission
hangover period
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
GB9612833A
Other languages
English (en)
Other versions
GB2303034A (en
GB9612833D0 (en
Inventor
Pekka Kapanen
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of GB9612833D0 publication Critical patent/GB9612833D0/en
Publication of GB2303034A publication Critical patent/GB2303034A/en
Application granted granted Critical
Publication of GB2303034B publication Critical patent/GB2303034B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Electric Clocks (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
GB9612833A 1995-06-30 1996-06-19 A method to evaluate the hangover period in a speech decoder in discontinuous transmission, and a speech encoder and a transceiver Expired - Lifetime GB2303034B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI953252A FI105001B (fi) 1995-06-30 1995-06-30 Menetelmä odotusajan selvittämiseksi puhedekooderissa epäjatkuvassa lähetyksessä ja puhedekooderi sekä lähetin-vastaanotin

Publications (3)

Publication Number Publication Date
GB9612833D0 GB9612833D0 (en) 1996-08-21
GB2303034A GB2303034A (en) 1997-02-05
GB2303034B true GB2303034B (en) 2000-01-26

Family

ID=8543714

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9612833A Expired - Lifetime GB2303034B (en) 1995-06-30 1996-06-19 A method to evaluate the hangover period in a speech decoder in discontinuous transmission, and a speech encoder and a transceiver

Country Status (17)

Country Link
US (1) US5835889A (https=)
JP (1) JP3826185B2 (https=)
CN (1) CN1135759C (https=)
AT (1) AT405346B (https=)
AU (1) AU701220B2 (https=)
BR (1) BR9608734A (https=)
CA (1) CA2222501C (https=)
DE (1) DE19617630B4 (https=)
ES (1) ES2114820B1 (https=)
FI (1) FI105001B (https=)
FR (1) FR2736186B1 (https=)
GB (1) GB2303034B (https=)
IT (1) IT1283133B1 (https=)
MX (1) MX9710357A (https=)
RU (1) RU2158446C2 (https=)
SE (1) SE518907C2 (https=)
WO (1) WO1997002561A1 (https=)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI99066C (fi) * 1995-01-31 1997-09-25 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä
FI961568A7 (fi) * 1996-04-10 1997-10-11 Nokia Telecommunications Oy Epäjatkuva lähetys analogisessa matkaviestinjärjestelmässä
SE507370C2 (sv) * 1996-09-13 1998-05-18 Ericsson Telefon Ab L M Metod och anordning för att alstra komfortbrus i linjärprediktiv talavkodare
US6269331B1 (en) 1996-11-14 2001-07-31 Nokia Mobile Phones Limited Transmission of comfort noise parameters during discontinuous transmission
EP0882349A1 (en) * 1996-11-29 1998-12-09 Koninklijke Philips Electronics N.V. A telecommunications system, a channel extension protocol, and a radio station
EP0882348B1 (en) * 1996-11-29 2005-02-09 Koninklijke Philips Electronics N.V. A telecommunications system, a channel selection protocol, and a radio station
FI112894B (fi) 1997-04-10 2004-01-30 Nokia Corp Menetelmä kehysvirhetodennäköisyyden pienentämiseksi tietokehysmuotoisessa tiedonsiirrossa
WO1999003296A1 (en) * 1997-07-14 1999-01-21 Hughes Electronics Corporation Immediate channel assignment in a wireless system
US6347081B1 (en) * 1997-08-25 2002-02-12 Telefonaktiebolaget L M Ericsson (Publ) Method for power reduced transmission of speech inactivity
US6545989B1 (en) * 1998-02-19 2003-04-08 Qualcomm Incorporated Transmit gating in a wireless communication system
FI105634B (fi) 1998-04-30 2000-09-15 Nokia Mobile Phones Ltd Menetelmä videokuvien siirtämiseksi, tiedonsiirtojärjestelmä ja multimediapäätelaite
FI981508A7 (fi) 1998-06-30 1999-12-31 Nokia Corp Menetelmä, laite ja järjestelmä käyttäjän tilan arvioimiseksi
GB9817292D0 (en) 1998-08-07 1998-10-07 Nokia Mobile Phones Ltd Digital video coding
FI105635B (fi) 1998-09-01 2000-09-15 Nokia Mobile Phones Ltd Menetelmä taustakohinainformaation lähettämiseksi tietokehysmuotoisessa tiedonsiirrossa
FI106906B (fi) * 1998-09-09 2001-04-30 Nokia Networks Oy Lähetysmenetelmä ja radiojärjestelmä
FI982490A0 (fi) 1998-11-18 1998-11-18 Nokia Corp Menetelmä ja järjestelmä viestintää varten
JP2000172283A (ja) * 1998-12-01 2000-06-23 Nec Corp 有音検出方式及び方法
US7423983B1 (en) * 1999-09-20 2008-09-09 Broadcom Corporation Voice and data exchange over a packet based network
GB9908805D0 (en) 1999-04-16 1999-06-09 Nokia Telecommunications Oy A method of transmitting
WO2000064075A1 (en) * 1999-04-16 2000-10-26 Nokia Networks Oy Discontinuous transmission cdma system
US6381568B1 (en) * 1999-05-05 2002-04-30 The United States Of America As Represented By The National Security Agency Method of transmitting speech using discontinuous transmission and comfort noise
JP3451998B2 (ja) * 1999-05-31 2003-09-29 日本電気株式会社 無音声符号化を含む音声符号化・復号装置、復号化方法及びプログラムを記録した記録媒体
US6370392B1 (en) * 1999-09-13 2002-04-09 Nortel Networks Limited Method and system for detecting discontinuous transmission mode
FR1094446T (fr) * 1999-10-18 2007-01-05 Lucent Technologies Inc Enregistrement de la parole avec compression du silence et génération de bruit de confort pour appareil de communication digitale
US7080009B2 (en) * 2000-05-01 2006-07-18 Motorola, Inc. Method and apparatus for reducing rate determination errors and their artifacts
US7075907B1 (en) 2000-06-06 2006-07-11 Nokia Corporation Method for signalling DTX periods and allocation of new channels in a statistical multiplexed radio interface
US6424637B1 (en) * 2000-06-23 2002-07-23 Motorola, Inc. Method for synchronizing a mobile station to UMTS while operating in GSM dedicated mode
US20020116186A1 (en) * 2000-09-09 2002-08-22 Adam Strauss Voice activity detector for integrated telecommunications processing
US6907030B1 (en) 2000-10-02 2005-06-14 Telefonaktiebolaget Lm Ericsson (Publ) System and method for decoding multiplexed, packet-based signals in a telecommunications network
US8111689B2 (en) * 2001-01-16 2012-02-07 Nokia Corporation System for uplink scheduling packet based data traffic in wireless system
US20030120484A1 (en) * 2001-06-12 2003-06-26 David Wong Method and system for generating colored comfort noise in the absence of silence insertion description packets
JP4518714B2 (ja) * 2001-08-31 2010-08-04 富士通株式会社 音声符号変換方法
US7746797B2 (en) * 2002-10-09 2010-06-29 Nortel Networks Limited Non-intrusive monitoring of quality levels for voice communications over a packet-based network
EP1424796A1 (en) * 2002-11-29 2004-06-02 Siemens Mobile Communications S.p.A. A method for detecting bursts in a telecommunication system
US7596488B2 (en) * 2003-09-15 2009-09-29 Microsoft Corporation System and method for real-time jitter control and packet-loss concealment in an audio signal
US7412376B2 (en) * 2003-09-10 2008-08-12 Microsoft Corporation System and method for real-time detection and preservation of speech onset in a signal
WO2006104555A2 (en) * 2005-03-24 2006-10-05 Mindspeed Technologies, Inc. Adaptive noise state update for a voice activity detector
US20060217983A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for injecting comfort noise in a communications system
US20060217988A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for adaptive level control
US20060217970A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for noise reduction
US20060217972A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for modifying an encoded signal
US20060215683A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for voice quality enhancement
JP4793539B2 (ja) * 2005-03-29 2011-10-12 日本電気株式会社 符号変換方法及び装置とプログラム並びにその記憶媒体
JP4892900B2 (ja) * 2005-09-13 2012-03-07 ソニー株式会社 情報処理装置、情報記録媒体製造装置、情報記録媒体、および方法、並びにコンピュータ・プログラム
US20080021702A1 (en) * 2006-06-28 2008-01-24 Shaojie Chen Wireless communication apparatus including a mechanism for suppressing uplink noise
RU2319222C1 (ru) * 2006-08-30 2008-03-10 Валерий Юрьевич Тарасов Способ кодирования и декодирования речевого сигнала методом линейного предсказания
RU2360361C2 (ru) * 2006-11-07 2009-06-27 Открытое акционерное общество "Ижевский радиозавод" Способ помехоустойчивого приема и передачи информации по каналу связи с помехами и глубокими замираниями и радиостанция
CN101207534B (zh) * 2006-12-20 2010-04-14 华为技术有限公司 一种信号发送方法以及通讯系统
GB2447299A (en) * 2007-03-09 2008-09-10 Nec Corp Control of discontinuous Rx/Tx in a mobile communication system
KR101103605B1 (ko) * 2007-04-30 2012-01-09 노키아 지멘스 네트웍스 오와이 자도프-추, 수정된 자도프-추, 및 블록-방식 확산 시퀀스들에 대한 조정된 순환 시프트 및 시퀀스 호핑
RU2343629C1 (ru) * 2007-05-02 2009-01-10 Открытое акционерное общество "Концерн "Созвездие" Способ передачи информации
DE102007025223A1 (de) * 2007-05-31 2008-12-04 Süd-Chemie AG Zirkoniumoxid-dotierter VAM-Schalenkatalysator, Verfahren zu dessen Herstellung sowie dessen Verwendung
DE102008009720A1 (de) * 2008-02-19 2009-08-20 Siemens Enterprise Communications Gmbh & Co. Kg Verfahren und Mittel zur Dekodierung von Hintergrundrauschinformationen
DE102008009719A1 (de) * 2008-02-19 2009-08-20 Siemens Enterprise Communications Gmbh & Co. Kg Verfahren und Mittel zur Enkodierung von Hintergrundrauschinformationen
CN101335000B (zh) * 2008-03-26 2010-04-21 华为技术有限公司 编码的方法及装置
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
RU2536679C2 (ru) 2008-07-11 2014-12-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы
US8422679B2 (en) * 2008-10-17 2013-04-16 Motorola Solutions, Inc. Method and device for sending encryption parameters
EP2612444A4 (en) 2010-09-02 2014-05-07 Microsoft Corp CREATING AND USING A SUB-CODE BOOK OF A CODE BOOK FOR ERROR-CONTROL CODING
US8751223B2 (en) * 2011-05-24 2014-06-10 Alcatel Lucent Encoded packet selection from a first voice stream to create a second voice stream
EP3141059B1 (en) * 2014-05-08 2018-02-28 Telefonaktiebolaget LM Ericsson (publ) Detecting a silence period status in a user equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897832A (en) * 1988-01-18 1990-01-30 Oki Electric Industry Co., Ltd. Digital speech interpolation system and speech detector
GB2256997A (en) * 1991-05-31 1992-12-23 Kokusai Electric Co Ltd Voice coding communication system and apparatus
GB2285204A (en) * 1993-12-10 1995-06-28 Kokusai Electric Co Ltd Voice coding communication system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2256351B (en) * 1991-05-25 1995-07-05 Motorola Inc Enhancement of echo return loss
US5410632A (en) * 1991-12-23 1995-04-25 Motorola, Inc. Variable hangover time in a voice activity detector
US5239557A (en) * 1992-04-10 1993-08-24 Ericsson/Ge Mobile Communications Discountinuous CDMA reception
JPH0653927A (ja) * 1992-07-31 1994-02-25 Nec Corp Ｄｓｉ装置
JP2897551B2 (ja) * 1992-10-12 1999-05-31 日本電気株式会社 音声復号化装置
SE501981C2 (sv) * 1993-11-02 1995-07-03 Ericsson Telefon Ab L M Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler
US5615298A (en) * 1994-03-14 1997-03-25 Lucent Technologies Inc. Excitation signal synthesis during frame erasure or packet loss
GB2288102B (en) * 1994-03-23 1997-10-08 Motorola Ltd Mobile radio with transmit command control and mobile radio system
US6889187B2 (en) * 2000-12-28 2005-05-03 Nortel Networks Limited Method and apparatus for improved voice activity detection in a packet voice network

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897832A (en) * 1988-01-18 1990-01-30 Oki Electric Industry Co., Ltd. Digital speech interpolation system and speech detector
GB2256997A (en) * 1991-05-31 1992-12-23 Kokusai Electric Co Ltd Voice coding communication system and apparatus
GB2285204A (en) * 1993-12-10 1995-06-28 Kokusai Electric Co Ltd Voice coding communication system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP060053927 A & PATENT ABSTRACTS OF JAPAN E-1255 VOL.18 NO.280 PP.154 *

Also Published As

Publication number Publication date
ITMI961200A1 (it) 1997-12-12
GB2303034A (en) 1997-02-05
BR9608734A (pt) 1999-07-06
CN1135759C (zh) 2004-01-21
IT1283133B1 (it) 1998-04-07
FI953252A0 (fi) 1995-06-30
WO1997002561A1 (en) 1997-01-23
RU2158446C2 (ru) 2000-10-27
CN1189911A (zh) 1998-08-05
GB9612833D0 (en) 1996-08-21
SE9602230D0 (sv) 1996-06-05
SE518907C2 (sv) 2002-12-03
JP3826185B2 (ja) 2006-09-27
US5835889A (en) 1998-11-10
FI105001B (fi) 2000-05-15
AU6226096A (en) 1997-02-05
CA2222501C (en) 2002-04-23
SE9602230L (sv) 1996-12-31
JPH11514168A (ja) 1999-11-30
AT405346B (de) 1999-07-26
FR2736186B1 (fr) 1999-02-12
FR2736186A1 (fr) 1997-01-03
MX9710357A (es) 1998-07-31
ATA93596A (de) 1998-11-15
DE19617630A1 (de) 1997-01-02
ITMI961200A0 (https=) 1996-06-12
AU701220B2 (en) 1999-01-21
DE19617630B4 (de) 2005-12-08
ES2114820A1 (es) 1998-06-01
CA2222501A1 (en) 1997-01-23
ES2114820B1 (es) 1999-01-16
FI953252A7 (fi) 1996-12-31

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20150910 AND 20150916

PE20 Patent expired after termination of 20 years

Expiry date: 20160618