DE69620585T2 - Verfahren und vorrichtung zur detektion und umgehung von tandem-sprachkodierung - Google Patents

Verfahren und vorrichtung zur detektion und umgehung von tandem-sprachkodierung

Info

Publication number
DE69620585T2
DE69620585T2 DE69620585T DE69620585T DE69620585T2 DE 69620585 T2 DE69620585 T2 DE 69620585T2 DE 69620585 T DE69620585 T DE 69620585T DE 69620585 T DE69620585 T DE 69620585T DE 69620585 T2 DE69620585 T2 DE 69620585T2
Authority
DE
Germany
Prior art keywords
speech
postfiltering
tandem
degradation
vocoding
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
DE69620585T
Other languages
English (en)
Other versions
DE69620585D1 (de
Inventor
A Weaver
Katherine Lam
E Jacobs
R Gardner
P Dejaco
C Sih
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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
Priority claimed from US08/378,300 external-priority patent/US5956673A/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE69620585D1 publication Critical patent/DE69620585D1/de
Publication of DE69620585T2 publication Critical patent/DE69620585T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H04W88/181—Transcoding devices; Rate adaptation devices
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Telephonic Communication Services (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Facsimile Transmission Control (AREA)
  • Radio Relay Systems (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69620585T 1995-01-25 1996-01-25 Verfahren und vorrichtung zur detektion und umgehung von tandem-sprachkodierung Expired - Lifetime DE69620585T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/378,300 US5956673A (en) 1995-01-25 1995-01-25 Detection and bypass of tandem vocoding using detection codes
US08/575,287 US5903862A (en) 1995-01-25 1996-01-11 Method and apparatus for detection of tandem vocoding to modify vocoder filtering
PCT/US1996/001166 WO1996023297A1 (en) 1995-01-25 1996-01-25 Method and apparatus for detection and bypass of tandem vocoding

Publications (2)

Publication Number Publication Date
DE69620585D1 DE69620585D1 (de) 2002-05-16
DE69620585T2 true DE69620585T2 (de) 2002-11-28

Family

ID=27008156

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69620585T Expired - Lifetime DE69620585T2 (de) 1995-01-25 1996-01-25 Verfahren und vorrichtung zur detektion und umgehung von tandem-sprachkodierung

Country Status (15)

Country Link
US (1) US5903862A (de)
EP (1) EP0806032B1 (de)
JP (1) JP3661875B2 (de)
KR (1) KR100422194B1 (de)
CN (2) CN1529307B (de)
AT (1) ATE216173T1 (de)
AU (1) AU4859896A (de)
BR (1) BR9606800B1 (de)
CA (1) CA2211463A1 (de)
DE (1) DE69620585T2 (de)
HK (1) HK1003399A1 (de)
MY (1) MY121968A (de)
NZ (1) NZ302523A (de)
TW (1) TW293214B (de)
WO (1) WO1996023297A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19544367A1 (de) 1995-11-29 1997-06-05 Bosch Gmbh Robert Verfahren zum Übertragen von Daten, insbesondere von GSM-Daten
FI102445B (fi) * 1996-02-08 1998-11-30 Nokia Telecommunications Oy Transmissiolaitteisto keskusten väliselle yhteydelle
GB2316277B (en) * 1996-08-09 2001-03-14 Motorola Ltd Transcoder and method for a non-tandem coding operation
DK0847210T3 (da) * 1996-12-04 2006-05-22 Bosch Gmbh Robert Fremgangsmåde ved dataoverföring, især af GSM-data
FI106082B (fi) * 1996-12-05 2000-11-15 Nokia Networks Oy Menetelmä puhekanavan takaisinkytkemisen havaitsemiseksi sekä puheenkäsittelylaite
US6069888A (en) * 1997-02-26 2000-05-30 Qualcomm Inc. Integrated voice mail system for CDMA network
KR100248272B1 (ko) * 1997-06-30 2000-03-15 김영환 보코더의 pcm데이터형식에 따른 바이패스모드 동작시기의 제어방법
US6324409B1 (en) * 1998-07-17 2001-11-27 Siemens Information And Communication Systems, Inc. System and method for optimizing telecommunication signal quality
DE19833318C2 (de) * 1998-07-24 2001-08-02 Bosch Gmbh Robert Verfahren zur Übertragung von digitalen Nutzdaten
ATE385143T1 (de) * 1998-08-21 2008-02-15 Motorola Inc Verfahren und vorrichtung zur kontrolle einer sprachkodierumgehung mittels inbandsignalisierung
US6091969A (en) * 1998-08-21 2000-07-18 Motorola, Inc. Method and apparatus for inband signaling control of vocoder bypass
US6681203B1 (en) * 1999-02-26 2004-01-20 Lucent Technologies Inc. Coupled error code protection for multi-mode vocoders
US6657996B1 (en) * 1999-04-21 2003-12-02 Telogy Networks, Inc. Apparatus and method for improving voice quality by removing tandem codecs in a voice communication link
CN1361994B (zh) 1999-05-17 2010-06-23 艾利森电话股份有限公司 用于电信网络中的能力协商的系统、设备和方法
GB2352127A (en) * 1999-07-02 2001-01-17 Ericsson Telefon Ab L M Speech coding in a telecommunication system
US6625164B1 (en) * 1999-07-14 2003-09-23 Qualcomm, Incorporated Selectively framing and unframing PPP packets depending on negotiated options on the Um and Rm interfaces
US7006787B1 (en) * 2000-02-14 2006-02-28 Lucent Technologies Inc. Mobile to mobile digital wireless connection having enhanced voice quality
EP1126651A1 (de) * 2000-02-16 2001-08-22 Lucent Technologies Inc. Verbindungsanpassung für RT-EGPRS
KR100365800B1 (ko) * 2000-06-09 2002-12-26 삼성전자 주식회사 아날로그모드에서 음성기능이 가능한 이중모드 무선이동 통신기기
EP1198146A1 (de) * 2000-10-13 2002-04-17 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Verfahren und Vorrichtung zur Steuerung einer Verbindung in einem Kommunikationsnetz
US6785339B1 (en) 2000-10-31 2004-08-31 Motorola, Inc. Method and apparatus for providing speech quality based packet enhancement in packet switched networks
US7113522B2 (en) * 2001-01-24 2006-09-26 Qualcomm, Incorporated Enhanced conversion of wideband signals to narrowband signals
US7076316B2 (en) * 2001-02-02 2006-07-11 Nortel Networks Limited Method and apparatus for controlling an operative setting of a communications link
US6718183B1 (en) * 2001-06-05 2004-04-06 Bellsouth Intellectual Property Corporation System and method for reducing data quality degradation due to encoding/decoding
KR100460109B1 (ko) * 2001-09-19 2004-12-03 엘지전자 주식회사 음성패킷 변환을 위한 ｌｓｐ 파라미터 변환장치 및 방법
KR100640468B1 (ko) * 2005-01-25 2006-10-31 삼성전자주식회사 디지털 통신 시스템에서 음성 패킷의 전송과 처리 장치 및방법
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
US8521520B2 (en) * 2010-02-03 2013-08-27 General Electric Company Handoffs between different voice encoder systems
TWI759223B (zh) * 2010-12-03 2022-03-21 美商杜比實驗室特許公司 音頻解碼裝置、音頻解碼方法及音頻編碼方法
US11063645B2 (en) 2018-12-18 2021-07-13 XCOM Labs, Inc. Methods of wirelessly communicating with a group of devices
US10756795B2 (en) 2018-12-18 2020-08-25 XCOM Labs, Inc. User equipment with cellular link and peer-to-peer link
US11330649B2 (en) 2019-01-25 2022-05-10 XCOM Labs, Inc. Methods and systems of multi-link peer-to-peer communications
US10756767B1 (en) 2019-02-05 2020-08-25 XCOM Labs, Inc. User equipment for wirelessly communicating cellular signal with another user equipment

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6126357A (ja) * 1984-07-17 1986-02-05 Nitsuko Ltd 割込機能を有する電話システム
US4782326A (en) * 1987-10-01 1988-11-01 Motorola, Inc. ADPCM transcoder data interface circuit having an encoded enable signal
GB9113515D0 (en) * 1991-06-21 1991-08-07 Plessey Telecomm Speech signal transmission
US5317567A (en) * 1991-09-12 1994-05-31 The United States Of America As Represented By The Secretary Of The Air Force Multi-speaker conferencing over narrowband channels
FR2700087B1 (fr) * 1992-12-30 1995-02-10 Alcatel Radiotelephone Procédé de positionnement adaptatif d'un codeur/décodeur de parole au sein d'une infrastructure de communication.
BR9405716A (pt) * 1993-12-02 1995-12-19 Motorola Inc Processo para realizar comunicação ligada transcodificador fonte e transcodificador alvo
US5434854A (en) * 1993-12-27 1995-07-18 At&T Corp. System for communicating digital cellular data between a cell site and a switching system or another cell site
FI941125A (fi) * 1994-03-09 1995-09-10 Nokia Telecommunications Oy Matkaviestinjärjestelmä ja puhelunohjausmenetelmä
US5608779A (en) * 1994-11-08 1997-03-04 Motorola, Inc. Method for communications between mobile units using single and multiple switching center configurations
ZA964331B (en) * 1995-06-08 1996-12-17 Qualcomm Inc Remote vocoding over long distance link

Also Published As

Publication number Publication date
CN1179225A (zh) 1998-04-15
BR9606800B1 (pt) 2010-09-08
TW293214B (de) 1996-12-11
EP0806032B1 (de) 2002-04-10
AU4859896A (en) 1996-08-14
KR100422194B1 (ko) 2004-06-16
CN1529307A (zh) 2004-09-15
NZ302523A (en) 1998-01-26
HK1003399A1 (en) 1998-10-30
US5903862A (en) 1999-05-11
CN1168332C (zh) 2004-09-22
JP3661875B2 (ja) 2005-06-22
CN1529307B (zh) 2012-04-25
MY121968A (en) 2006-03-31
EP0806032A1 (de) 1997-11-12
ATE216173T1 (de) 2002-04-15
CA2211463A1 (en) 1996-08-01
BR9606800A (pt) 1997-12-30
KR19980701696A (ko) 1998-06-25
JPH11503275A (ja) 1999-03-23
WO1996023297A1 (en) 1996-08-01
DE69620585D1 (de) 2002-05-16

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