DE60218252D1 - Verfahren und Vorrichtung zur Sprachtranskodierung - Google Patents

Verfahren und Vorrichtung zur Sprachtranskodierung

Info

Publication number
DE60218252D1
DE60218252D1 DE60218252T DE60218252T DE60218252D1 DE 60218252 D1 DE60218252 D1 DE 60218252D1 DE 60218252 T DE60218252 T DE 60218252T DE 60218252 T DE60218252 T DE 60218252T DE 60218252 D1 DE60218252 D1 DE 60218252D1
Authority
DE
Germany
Prior art keywords
speech transcoding
transcoding
speech
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
DE60218252T
Other languages
English (en)
Other versions
DE60218252T2 (de
Inventor
Yoshiteru Tsuchinaga
Yasuji Ota
Masanao Suzuki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60218252D1 publication Critical patent/DE60218252D1/de
Publication of DE60218252T2 publication Critical patent/DE60218252T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G10L19/012—Comfort noise or silence coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
DE60218252T 2001-08-31 2002-03-27 Verfahren und Vorrichtung zur Sprachtranskodierung Expired - Lifetime DE60218252T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001263031 2001-08-31
JP2001263031A JP4518714B2 (ja) 2001-08-31 2001-08-31 音声符号変換方法

Publications (2)

Publication Number Publication Date
DE60218252D1 true DE60218252D1 (de) 2007-04-05
DE60218252T2 DE60218252T2 (de) 2007-10-31

Family

ID=19089850

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60218252T Expired - Lifetime DE60218252T2 (de) 2001-08-31 2002-03-27 Verfahren und Vorrichtung zur Sprachtranskodierung

Country Status (4)

Country Link
US (1) US7092875B2 (de)
EP (2) EP1748424B1 (de)
JP (1) JP4518714B2 (de)
DE (1) DE60218252T2 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002202799A (ja) * 2000-10-30 2002-07-19 Fujitsu Ltd 音声符号変換装置
JP4108317B2 (ja) * 2001-11-13 2008-06-25 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記憶媒体
JP4263412B2 (ja) * 2002-01-29 2009-05-13 富士通株式会社 音声符号変換方法
JP4304360B2 (ja) * 2002-05-22 2009-07-29 日本電気株式会社 音声符号化復号方式間の符号変換方法および装置とその記憶媒体
CA2392640A1 (en) * 2002-07-05 2004-01-05 Voiceage Corporation A method and device for efficient in-based dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems
WO2004034379A2 (en) * 2002-10-11 2004-04-22 Nokia Corporation Methods and devices for source controlled variable bit-rate wideband speech coding
US7363218B2 (en) * 2002-10-25 2008-04-22 Dilithium Networks Pty. Ltd. Method and apparatus for fast CELP parameter mapping
US7406096B2 (en) * 2002-12-06 2008-07-29 Qualcomm Incorporated Tandem-free intersystem voice communication
DE602004025688D1 (de) * 2003-04-22 2010-04-08 Nec Corp Codeumsetzungsverfahren und einrichtung, programm und aufzeichnungsmedium
US7619995B1 (en) * 2003-07-18 2009-11-17 Nortel Networks Limited Transcoders and mixers for voice-over-IP conferencing
US7469209B2 (en) * 2003-08-14 2008-12-23 Dilithium Networks Pty Ltd. Method and apparatus for frame classification and rate determination in voice transcoders for telecommunications
US7433815B2 (en) * 2003-09-10 2008-10-07 Dilithium Networks Pty Ltd. Method and apparatus for voice transcoding between variable rate coders
FR2863797B1 (fr) * 2003-12-15 2006-02-24 Cit Alcatel Compression/decompression de couche deux pour la transmission mixte synchrone/asynchrone de trames de donnees au sein d'un reseau de communications
KR100590769B1 (ko) * 2003-12-22 2006-06-15 한국전자통신연구원 상호 부호화 장치 및 그 방법
US7536298B2 (en) * 2004-03-15 2009-05-19 Intel Corporation Method of comfort noise generation for speech communication
US20050258983A1 (en) * 2004-05-11 2005-11-24 Dilithium Holdings Pty Ltd. (An Australian Corporation) Method and apparatus for voice trans-rating in multi-rate voice coders for telecommunications
US8031644B2 (en) * 2004-06-23 2011-10-04 Nokia Corporation Non-native media codec in CDMA system
US20060018457A1 (en) * 2004-06-25 2006-01-26 Takahiro Unno Voice activity detectors and methods
KR100703325B1 (ko) * 2005-01-14 2007-04-03 삼성전자주식회사 음성패킷 전송율 변환 장치 및 방법
FR2881867A1 (fr) * 2005-02-04 2006-08-11 France Telecom Procede de transmission de marques de fin de parole dans un systeme de reconnaissance de la parole
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
JP4636241B2 (ja) 2005-03-31 2011-02-23 日本電気株式会社 通信規制システムおよび通信規制方法
EP1955321A2 (de) * 2005-11-30 2008-08-13 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Effiziente sprach-strom-umsetzung
JP4827661B2 (ja) * 2006-08-30 2011-11-30 富士通株式会社 信号処理方法及び装置
US8209187B2 (en) * 2006-12-05 2012-06-26 Nokia Corporation Speech coding arrangement for communication networks
WO2008121035A1 (en) * 2007-03-29 2008-10-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and speech encoder with length adjustment of dtx hangover period
US7873513B2 (en) * 2007-07-06 2011-01-18 Mindspeed Technologies, Inc. Speech transcoding in GSM networks
CN101335000B (zh) * 2008-03-26 2010-04-21 华为技术有限公司 编码的方法及装置
US8452591B2 (en) * 2008-04-11 2013-05-28 Cisco Technology, Inc. Comfort noise information handling for audio transcoding applications
KR101581950B1 (ko) * 2009-01-12 2015-12-31 삼성전자주식회사 이동 단말에서 수화 음성 신호 처리 장치 및 방법
CN101783142B (zh) * 2009-01-21 2012-08-15 北京工业大学 转码方法、装置和通信设备
US20100260273A1 (en) * 2009-04-13 2010-10-14 Dsp Group Limited Method and apparatus for smooth convergence during audio discontinuous transmission
US9165567B2 (en) 2010-04-22 2015-10-20 Qualcomm Incorporated Systems, methods, and apparatus for speech feature detection
CN102985968B (zh) * 2010-07-01 2015-12-02 Lg电子株式会社 处理音频信号的方法和装置
US8898058B2 (en) * 2010-10-25 2014-11-25 Qualcomm Incorporated Systems, methods, and apparatus for voice activity detection
JP2012109909A (ja) * 2010-11-19 2012-06-07 Oki Electric Ind Co Ltd 音声信号変換装置、プログラム及び方法
US8751223B2 (en) * 2011-05-24 2014-06-10 Alcatel Lucent Encoded packet selection from a first voice stream to create a second voice stream
US8982942B2 (en) 2011-06-17 2015-03-17 Microsoft Technology Licensing, Llc Adaptive codec selection
WO2014173446A1 (en) * 2013-04-25 2014-10-30 Nokia Solutions And Networks Oy Speech transcoding in packet networks
CN105225668B (zh) 2013-05-30 2017-05-10 华为技术有限公司 信号编码方法及设备
WO2014192604A1 (ja) * 2013-05-31 2014-12-04 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
US9775110B2 (en) * 2014-05-30 2017-09-26 Apple Inc. Power save for volte during silence periods
US9953660B2 (en) * 2014-08-19 2018-04-24 Nuance Communications, Inc. System and method for reducing tandeming effects in a communication system
US10978096B2 (en) * 2017-04-25 2021-04-13 Qualcomm Incorporated Optimized uplink operation for voice over long-term evolution (VoLte) and voice over new radio (VoNR) listen or silent periods
US10791404B1 (en) * 2018-08-13 2020-09-29 Michael B. Lasky Assisted hearing aid with synthetic substitution

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI98972C (fi) * 1994-11-21 1997-09-10 Nokia Telecommunications Oy Digitaalinen matkaviestinjärjestelmä
JPH08146997A (ja) * 1994-11-21 1996-06-07 Hitachi Ltd 符号変換装置および符号変換システム
FI101439B (fi) * 1995-04-13 1998-06-15 Nokia Telecommunications Oy Transkooderi, jossa on tandem-koodauksen esto
FI105001B (fi) * 1995-06-30 2000-05-15 Nokia Mobile Phones Ltd Menetelmä odotusajan selvittämiseksi puhedekooderissa epäjatkuvassa lähetyksessä ja puhedekooderi sekä lähetin-vastaanotin
US5818843A (en) * 1996-02-06 1998-10-06 Dsc Communications Corporation E1 compression control method
US6269331B1 (en) * 1996-11-14 2001-07-31 Nokia Mobile Phones Limited Transmission of comfort noise parameters during discontinuous transmission
US5960389A (en) * 1996-11-15 1999-09-28 Nokia Mobile Phones Limited Methods for generating comfort noise during discontinuous transmission
GB2332598B (en) * 1997-12-20 2002-12-04 Motorola Ltd Method and apparatus for discontinuous transmission
US6850883B1 (en) * 1998-02-09 2005-02-01 Nokia Networks Oy Decoding method, speech coding processing unit and a network element
US6260009B1 (en) 1999-02-12 2001-07-10 Qualcomm Incorporated CELP-based to CELP-based vocoder packet translation
US6766291B2 (en) * 1999-06-18 2004-07-20 Nortel Networks Limited Method and apparatus for controlling the transition of an audio signal converter between two operative modes based on a certain characteristic of the audio input signal
FI991605A (fi) 1999-07-14 2001-01-15 Nokia Networks Oy Menetelmä puhekodaukseen ja puhekoodaukseen tarvittavan laskentakapasi teetin vähentämiseksi ja verkkoelementti
US6961346B1 (en) * 1999-11-24 2005-11-01 Cisco Technology, Inc. System and method for converting packet payload size
JP2002146997A (ja) * 2000-11-16 2002-05-22 Inax Corp 板状建材の施工構造
US6631139B2 (en) * 2001-01-31 2003-10-07 Qualcomm Incorporated Method and apparatus for interoperability between voice transmission systems during speech inactivity
US7012901B2 (en) * 2001-02-28 2006-03-14 Cisco Systems, Inc. Devices, software and methods for generating aggregate comfort noise in teleconferencing over VoIP networks
US20030028386A1 (en) * 2001-04-02 2003-02-06 Zinser Richard L. Compressed domain universal transcoder
US20030195745A1 (en) * 2001-04-02 2003-10-16 Zinser, Richard L. LPC-to-MELP transcoder
US6829579B2 (en) * 2002-01-08 2004-12-07 Dilithium Networks, Inc. Transcoding method and system between CELP-based speech codes
US6832195B2 (en) * 2002-07-03 2004-12-14 Sony Ericsson Mobile Communications Ab System and method for robustly detecting voice and DTX modes
US7469209B2 (en) * 2003-08-14 2008-12-23 Dilithium Networks Pty Ltd. Method and apparatus for frame classification and rate determination in voice transcoders for telecommunications
US20050258983A1 (en) * 2004-05-11 2005-11-24 Dilithium Holdings Pty Ltd. (An Australian Corporation) Method and apparatus for voice trans-rating in multi-rate voice coders for telecommunications

Also Published As

Publication number Publication date
DE60218252T2 (de) 2007-10-31
EP1288913A2 (de) 2003-03-05
EP1748424B1 (de) 2012-08-01
US20030065508A1 (en) 2003-04-03
JP2003076394A (ja) 2003-03-14
EP1288913B1 (de) 2007-02-21
EP1748424A2 (de) 2007-01-31
EP1288913A3 (de) 2004-02-11
JP4518714B2 (ja) 2010-08-04
US7092875B2 (en) 2006-08-15
EP1748424A3 (de) 2007-03-14

Similar Documents

Publication Publication Date Title
DE60218252D1 (de) Verfahren und Vorrichtung zur Sprachtranskodierung
DE60239796D1 (de) Verfahren und vorrichtung zur sicheren transkodierung
DE60219992D1 (de) Verfahren und Vorrichtung zur Multimedianachrichtenübertragung
DE60203871D1 (de) Verfahren und Vorrichtung zur selektiven Bildverbesserung
DE60233267D1 (de) Vorrichtung und Verfahren zur Herstellung von Metallschichten
DE60309822D1 (de) Verfahren und Vorrichtung zur Spracherkennung
DE60234530D1 (de) Vorrichtung und verfahren zur spracherkennung
DE60237007D1 (de) Verfahren und vorrichtung zur kurzfristigen inspekrobustheit
DE60220213D1 (de) Vorrichtung und Verfahren zur Polarisationsanalyse
DE60206472D1 (de) Verfahren und vorrichtung zur herstellung von mineralwolle
DE60238738D1 (de) Verfahren und Vorrichtung zur Aktualiesierung der Bandbreite
DE60133166D1 (de) Verfahren und Vorrichtung zur Volumendarstellung
DE50203544D1 (de) Verfahren und Vorrichtung zur Drehbearbeitung
DE60135686D1 (de) Vorrichtung und Verfahren zur Personenidentifizierung
DE602004020817D1 (de) Verfahren zur Laserbearbeitung und Vorrichtung zur Laserbearbeitung
DE60310785D1 (de) Verfahren und Vorrichtung zur Übersetzung von gesprochener Sprache
DE60027495D1 (de) Verfahren und Vorrichtung zur Videotranskodierung
DE60210888D1 (de) Vorrichtung und Verfahren zur optischen Modulation
DE602004023364D1 (de) Vorrichtung und Verfahren zur Spracherkennung
DE60231347D1 (de) Verfahren und Vorrichtung zur Synthesierung einer Gesangsstimme
DE50109658D1 (de) Vorrichtung und Verfahren zur Sprachsteuerung
DE602004014675D1 (de) Verfahren und Vorrichtung zur Spracherkennung
DE60214627D1 (de) Verfahren und Vorrichtung zur Bitratenkonversion
DE60229315D1 (de) Verfahren und Vorrichtung zur Spracherkennung
DE69921066D1 (de) Verfahren und Vorrichtung zur Sprachkodierung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition