FI964975A - Menetelmä ja laite puheen koodaamiseksi - Google Patents

Menetelmä ja laite puheen koodaamiseksi Download PDF

Info

Publication number
FI964975A
FI964975A FI964975A FI964975A FI964975A FI 964975 A FI964975 A FI 964975A FI 964975 A FI964975 A FI 964975A FI 964975 A FI964975 A FI 964975A FI 964975 A FI964975 A FI 964975A
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
FI964975A0 (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 EP97660131A priority patent/EP0848374B1/en
Priority to DE69727895T priority patent/DE69727895T2/de
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 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
    • G10L19/002—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
EP97660131A EP0848374B1 (en) 1996-12-12 1997-11-26 A method and a device for speech encoding
DE69727895T DE69727895T2 (de) 1996-12-12 1997-11-26 Verfahren und Vorrichtung zur Sprachkodierung
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 FI964975A0 (fi) 1996-12-12
FI964975A true 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6510208B1 (en) * 1997-01-20 2003-01-21 Sony Corporation Telephone apparatus with audio recording function and audio recording method telephone apparatus with audio recording function
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
US6574593B1 (en) * 1999-09-22 2003-06-03 Conexant Systems, Inc. Codebook tables for encoding and decoding
US6604070B1 (en) * 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals
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
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
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
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
ATE403217T1 (de) * 2004-04-28 2008-08-15 Matsushita Electric Ind Co Ltd Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren
DE602004004376T2 (de) * 2004-05-28 2007-05-24 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
US8494854B2 (en) * 2008-06-23 2013-07-23 John Nicholas and Kristin Gross CAPTCHA using challenges optimized for distinguishing between humans and machines
US8752141B2 (en) 2008-06-27 2014-06-10 John Nicholas Methods for presenting and determining the efficacy of progressive pictorial and motion-based CAPTCHAs
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
KR101804922B1 (ko) * 2010-03-23 2017-12-05 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
KR101972087B1 (ko) * 2014-04-24 2019-04-24 니폰 덴신 덴와 가부시끼가이샤 주파수 영역 파라미터열 생성 방법, 부호화 방법, 복호 방법, 주파수 영역 파라미터열 생성 장치, 부호화 장치, 복호 장치, 프로그램 및 기록 매체
JP6276845B2 (ja) * 2014-05-01 2018-02-07 日本電信電話株式会社 符号化装置、復号装置、符号化方法、復号方法、符号化プログラム、復号プログラム、記録媒体

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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
US4969192A (en) * 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
US4868867A (en) * 1987-04-06 1989-09-19 Voicecraft Inc. Vector excitation speech or audio coder for transmission or storage
EP0379587B1 (en) * 1988-06-08 1993-12-08 Fujitsu Limited Encoder/decoder apparatus
WO1990013112A1 (en) * 1989-04-25 1990-11-01 Kabushiki Kaisha Toshiba Voice encoder
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
SG70558A1 (en) * 1991-06-11 2000-02-22 Qualcomm Inc Variable rate vocoder
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
KR100193196B1 (ko) * 1994-02-17 1999-06-15 모토로라 인크 신호를 그룹 엔코딩하기 위한 방법 및 장치
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
FI964975A0 (fi) 1996-12-12
EP0848374B1 (en) 2004-03-03
JP4213243B2 (ja) 2009-01-21
JPH10187197A (ja) 1998-07-14
DE69727895T2 (de) 2005-01-20
US5933803A (en) 1999-08-03
DE69727895D1 (de) 2004-04-08
EP0848374A3 (en) 1999-02-03
EP0848374A2 (en) 1998-06-17

Similar Documents

Publication Publication Date Title
FI964975A0 (fi) Menetelmä ja laite puheen koodaamiseksi
FI971521A0 (fi) Menetelmä ja laite puheen tunnistamiseksi
FI971108A (fi) Audiokoodausmenetelmä ja -laite
FI971827A (fi) Menetelmä ja laite kanavaestimointiin
FI962305A0 (fi) Äänen parannusjärjestelmä ja -menetelmä
FI990379A0 (fi) Menetelmä ja laitteisto sijainnin löytämiseksi tietoliikennejärjestelmässä
FI955478A0 (fi) Menetelmä ja laite suulakepuristuskyllästämistä varten
FI981154A (fi) Menetelmä ja laite puheen tunnistamiseksi
DE69736446D1 (de) Audio Dekodierverfahren und -vorrichtung
FI965091A (fi) Laskentamenetelmä ja -laite
FI964330A (fi) Menetelmä ja laite porrashissejä varten
FI961828A0 (fi) Menetelmä ja laitteisto hissin hidastamiseksi
FI963491A (fi) Menetelmä ja laite kvantitisointikohinan pienentämiseksi
FI970553A0 (fi) Audiokoodausmenetelmä ja -laite
NO970170D0 (no) Apparat for talekoding og dekoding
FI951194A0 (fi) Menetelmä ja laitteisto ammunnan harjoittelemiseksi
FI965118A0 (fi) Menetelmä ja järjestely signalointijärjestelmiin
FI102360B1 (fi) Menetelmä ja laite puun leikkaamiseksi
FI960561A (fi) Kaapeliläpivienti ja menetelmä sen tekemiseksi
FI942109A0 (fi) Menetelmä ja laite johdinelementtien kiertämiseksi
SE9604125D0 (sv) Förfarande och anordning för spektroskopi
SE9600278D0 (sv) Förfarande och anordning för träets permeabilitetsökning
FI962131A0 (fi) Menetelmä kudonnassa ja kudontalaitteisto
FI103559B1 (fi) Menetelmä ja laitteisto äänen siirtämiseksi
SE9603047D0 (sv) Förfarande och anordning för ökning av effektfaktor