FI964975A0 - Menetelmä ja laite puheen koodaamiseksi - Google Patents

Menetelmä ja laite puheen koodaamiseksi

Info

Publication number
FI964975A0
FI964975A0 FI964975A FI964975A FI964975A0 FI 964975 A0 FI964975 A0 FI 964975A0 FI 964975 A FI964975 A FI 964975A FI 964975 A FI964975 A FI 964975A FI 964975 A0 FI964975 A0 FI 964975A0
Authority
FI
Finland
Prior art keywords
coding method
speech coding
speech
coding
Prior art date
Application number
FI964975A
Other languages
English (en)
Swedish (sv)
Other versions
FI964975A (fi
Inventor
Pasi Ojala
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
Priority to FI964975A priority Critical patent/FI964975A/fi
Publication of FI964975A0 publication Critical patent/FI964975A0/fi
Priority to DE69727895T priority patent/DE69727895T2/de
Priority to EP97660131A priority patent/EP0848374B1/en
Priority to US08/986,110 priority patent/US5933803A/en
Priority to JP34346297A priority patent/JP4213243B2/ja
Publication of FI964975A publication Critical patent/FI964975A/fi

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/002—Dynamic bit allocation

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
FI964975A 1996-12-12 1996-12-12 Menetelmä ja laite puheen koodaamiseksi FI964975A (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI964975A FI964975A (fi) 1996-12-12 1996-12-12 Menetelmä ja laite puheen koodaamiseksi
DE69727895T DE69727895T2 (de) 1996-12-12 1997-11-26 Verfahren und Vorrichtung zur Sprachkodierung
EP97660131A EP0848374B1 (en) 1996-12-12 1997-11-26 A method and a device for speech encoding
US08/986,110 US5933803A (en) 1996-12-12 1997-12-05 Speech encoding at variable bit rate
JP34346297A JP4213243B2 (ja) 1996-12-12 1997-12-12 音声符号化方法及び該方法を実施する装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI964975A FI964975A (fi) 1996-12-12 1996-12-12 Menetelmä ja laite puheen koodaamiseksi

Publications (2)

Publication Number Publication Date
FI964975A0 true FI964975A0 (fi) 1996-12-12
FI964975A FI964975A (fi) 1998-06-13

Family

ID=8547256

Family Applications (1)

Application Number Title Priority Date Filing Date
FI964975A FI964975A (fi) 1996-12-12 1996-12-12 Menetelmä ja laite puheen koodaamiseksi

Country Status (5)

Country Link
US (1) US5933803A (fi)
EP (1) EP0848374B1 (fi)
JP (1) JP4213243B2 (fi)
DE (1) DE69727895T2 (fi)
FI (1) FI964975A (fi)

Families Citing this family (37)

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JPH10210139A (ja) * 1997-01-20 1998-08-07 Sony Corp 音声記録機能付き電話装置及び音声記録機能付き電話装置の音声記録方法
FI114248B (fi) * 1997-03-14 2004-09-15 Nokia Corp Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
DE19729494C2 (de) * 1997-07-10 1999-11-04 Grundig Ag Verfahren und Anordnung zur Codierung und/oder Decodierung von Sprachsignalen, insbesondere für digitale Diktiergeräte
US8032808B2 (en) * 1997-08-08 2011-10-04 Mike Vargo System architecture for internet telephone
US6356545B1 (en) * 1997-08-08 2002-03-12 Clarent Corporation Internet telephone system with dynamically varying codec
FI973873A (fi) * 1997-10-02 1999-04-03 Nokia Mobile Phones Ltd Puhekoodaus
US6064678A (en) * 1997-11-07 2000-05-16 Qualcomm Incorporated Method for assigning optimal packet lengths in a variable rate communication system
JP3273599B2 (ja) * 1998-06-19 2002-04-08 沖電気工業株式会社 音声符号化レート選択器と音声符号化装置
US6311154B1 (en) 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
US7307980B1 (en) * 1999-07-02 2007-12-11 Cisco Technology, Inc. Change of codec during an active call
FI116992B (fi) * 1999-07-05 2006-04-28 Nokia Corp Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi
US6604070B1 (en) * 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals
US6574593B1 (en) * 1999-09-22 2003-06-03 Conexant Systems, Inc. Codebook tables for encoding and decoding
US6445696B1 (en) 2000-02-25 2002-09-03 Network Equipment Technologies, Inc. Efficient variable rate coding of voice over asynchronous transfer mode
US6862298B1 (en) 2000-07-28 2005-03-01 Crystalvoice Communications, Inc. Adaptive jitter buffer for internet telephony
CN1338834A (zh) * 2000-08-19 2002-03-06 华为技术有限公司 基于网络协议的低速语音编码方法
US7313520B2 (en) * 2002-03-20 2007-12-25 The Directv Group, Inc. Adaptive variable bit rate audio compression encoding
US8090577B2 (en) * 2002-08-08 2012-01-03 Qualcomm Incorported Bandwidth-adaptive quantization
FI20021936A (fi) * 2002-10-31 2004-05-01 Nokia Corp Vaihtuvanopeuksinen puhekoodekki
US7668968B1 (en) 2002-12-03 2010-02-23 Global Ip Solutions, Inc. Closed-loop voice-over-internet-protocol (VOIP) with sender-controlled bandwidth adjustments prior to onset of packet losses
US6996626B1 (en) 2002-12-03 2006-02-07 Crystalvoice Communications Continuous bandwidth assessment and feedback for voice-over-internet-protocol (VoIP) comparing packet's voice duration and arrival rate
WO2004090870A1 (ja) * 2003-04-04 2004-10-21 Kabushiki Kaisha Toshiba 広帯域音声を符号化または復号化するための方法及び装置
FI118835B (fi) * 2004-02-23 2008-03-31 Nokia Corp Koodausmallin valinta
EP1569200A1 (en) * 2004-02-26 2005-08-31 Sony International (Europe) GmbH Identification of the presence of speech in digital audio data
KR20070007851A (ko) * 2004-04-28 2007-01-16 마츠시타 덴끼 산교 가부시키가이샤 계층 부호화 장치 및 계층 부호화 방법
ATE352138T1 (de) * 2004-05-28 2007-02-15 Cit Alcatel Anpassungsverfahren für ein mehrraten-sprach- codec
US7624021B2 (en) * 2004-07-02 2009-11-24 Apple Inc. Universal container for audio data
US8000958B2 (en) * 2006-05-15 2011-08-16 Kent State University Device and method for improving communication through dichotic input of a speech signal
US20090094026A1 (en) * 2007-10-03 2009-04-09 Binshi Cao Method of determining an estimated frame energy of a communication
US20090099851A1 (en) * 2007-10-11 2009-04-16 Broadcom Corporation Adaptive bit pool allocation in sub-band coding
US8504365B2 (en) * 2008-04-11 2013-08-06 At&T Intellectual Property I, L.P. System and method for detecting synthetic speaker verification
WO2010008722A1 (en) 2008-06-23 2010-01-21 John Nicholas Gross Captcha system optimized for distinguishing between humans and machines
US9186579B2 (en) * 2008-06-27 2015-11-17 John Nicholas and Kristin Gross Trust Internet based pictorial game system and method
CN101615395B (zh) * 2008-12-31 2011-01-12 华为技术有限公司 信号编码、解码方法及装置、系统
WO2011118977A2 (ko) * 2010-03-23 2011-09-29 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
JP6270992B2 (ja) * 2014-04-24 2018-01-31 日本電信電話株式会社 周波数領域パラメータ列生成方法、周波数領域パラメータ列生成装置、プログラム及び記録媒体
ES2732859T3 (es) * 2014-05-01 2019-11-26 Nippon Telegraph & Telephone Codificador, descodificador, método de codificación, método de descodificación, programa de codificación, programa de descodificación y medio de grabación

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Publication number Priority date Publication date Assignee Title
US4890328A (en) * 1985-08-28 1989-12-26 American Telephone And Telegraph Company Voice synthesis utilizing multi-level filter excitation
US4868867A (en) * 1987-04-06 1989-09-19 Voicecraft Inc. Vector excitation speech or audio coder for transmission or storage
US4969192A (en) * 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
JP2964344B2 (ja) * 1988-06-08 1999-10-18 富士通株式会社 符号化／復号化装置
DE69029120T2 (de) * 1989-04-25 1997-04-30 Toshiba Kawasaki Kk Stimmenkodierer
US5091945A (en) * 1989-09-28 1992-02-25 At&T Bell Laboratories Source dependent channel coding with error protection
US5307441A (en) * 1989-11-29 1994-04-26 Comsat Corporation Wear-toll quality 4.8 kbps speech codec
CA2010830C (en) * 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
CH680030A5 (fi) * 1990-03-22 1992-05-29 Ascom Zelcom Ag
DE69232202T2 (de) * 1991-06-11 2002-07-25 Qualcomm Inc Vocoder mit veraendlicher bitrate
US5233660A (en) * 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding
SE469764B (sv) * 1992-01-27 1993-09-06 Ericsson Telefon Ab L M Saett att koda en samplad talsignalvektor
FI95085C (fi) * 1992-05-11 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin digitaaliseksi koodaamiseksi sekä puhekooderi menetelmän suorittamiseksi
US5734789A (en) * 1992-06-01 1998-03-31 Hughes Electronics Voiced, unvoiced or noise modes in a CELP vocoder
US5327520A (en) * 1992-06-04 1994-07-05 At&T Bell Laboratories Method of use of voice message coder/decoder
FI91345C (fi) * 1992-06-24 1994-06-10 Nokia Mobile Phones Ltd Menetelmä kanavanvaihdon tehostamiseksi
JP3265726B2 (ja) * 1993-07-22 2002-03-18 松下電器産業株式会社 可変レート音声符号化装置
CA2157024C (en) * 1994-02-17 1999-08-10 Kenneth A. Stewart Method and apparatus for group encoding signals
US5742734A (en) * 1994-08-10 1998-04-21 Qualcomm Incorporated Encoding rate selection in a variable rate vocoder

Also Published As

Publication number Publication date
JPH10187197A (ja) 1998-07-14
EP0848374B1 (en) 2004-03-03
EP0848374A3 (en) 1999-02-03
DE69727895D1 (de) 2004-04-08
DE69727895T2 (de) 2005-01-20
US5933803A (en) 1999-08-03
JP4213243B2 (ja) 2009-01-21
EP0848374A2 (en) 1998-06-17
FI964975A (fi) 1998-06-13

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