FI971108A - Audiokoodausmenetelmä ja -laite - Google Patents

Audiokoodausmenetelmä ja -laite Download PDF

Info

Publication number
FI971108A
FI971108A FI971108A FI971108A FI971108A FI 971108 A FI971108 A FI 971108A FI 971108 A FI971108 A FI 971108A FI 971108 A FI971108 A FI 971108A FI 971108 A FI971108 A FI 971108A
Authority
FI
Finland
Prior art keywords
coding method
audio coding
audio
coding
Prior art date
Application number
FI971108A
Other languages
English (en)
Swedish (sv)
Other versions
FI114248B (fi
FI971108A0 (fi
Inventor
Lin Yin
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 FI971108A0 publication Critical patent/FI971108A0/fi
Priority to FI971108A priority Critical patent/FI114248B/fi
Priority to PCT/FI1998/000146 priority patent/WO1998042083A1/en
Priority to AU62164/98A priority patent/AU733156B2/en
Priority to KR10-1999-7008369A priority patent/KR100469002B1/ko
Priority to ES98904191T priority patent/ES2164414T3/es
Priority to EP98904191A priority patent/EP0966793B1/en
Priority to US09/036,102 priority patent/US6721700B1/en
Priority to SE9800776A priority patent/SE521129C2/sv
Priority to GB9805294A priority patent/GB2323759B/en
Priority to DE19811039A priority patent/DE19811039B4/de
Priority to FR9803135A priority patent/FR2761801B1/fr
Priority to JP06351498A priority patent/JP3391686B2/ja
Priority to CNB981041809A priority patent/CN1135721C/zh
Publication of FI971108A publication Critical patent/FI971108A/fi
Priority to JP2002293702A priority patent/JP2003140697A/ja
Priority to US10/704,068 priority patent/US7194407B2/en
Application granted granted Critical
Publication of FI114248B publication Critical patent/FI114248B/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • 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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Telephone Function (AREA)
FI971108A 1997-03-14 1997-03-14 Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen FI114248B (fi)

Priority Applications (15)

Application Number Priority Date Filing Date Title
FI971108A FI114248B (fi) 1997-03-14 1997-03-14 Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
PCT/FI1998/000146 WO1998042083A1 (en) 1997-03-14 1998-02-18 Audio coding method and apparatus
AU62164/98A AU733156B2 (en) 1997-03-14 1998-02-18 Audio coding method and apparatus
KR10-1999-7008369A KR100469002B1 (ko) 1997-03-14 1998-02-18 오디오 코딩 방법 및 장치
ES98904191T ES2164414T3 (es) 1997-03-14 1998-02-18 Metodo y aparato para codificacion de audio.
EP98904191A EP0966793B1 (en) 1997-03-14 1998-02-18 Audio coding method and apparatus
US09/036,102 US6721700B1 (en) 1997-03-14 1998-03-06 Audio coding method and apparatus
SE9800776A SE521129C2 (sv) 1997-03-14 1998-03-10 Sätt och anordning för audiokodning
GB9805294A GB2323759B (en) 1997-03-14 1998-03-12 Audio coding method and apparatus
DE19811039A DE19811039B4 (de) 1997-03-14 1998-03-13 Verfahren und Vorrichtungen zum Codieren und Decodieren von Audiosignalen
FR9803135A FR2761801B1 (fr) 1997-03-14 1998-03-13 Methode de codage audio et dispositif
JP06351498A JP3391686B2 (ja) 1997-03-14 1998-03-13 符号化されたオーディオ信号を復号する方法及び装置
CNB981041809A CN1135721C (zh) 1997-03-14 1998-03-13 音频信号编码方法及其有关设备
JP2002293702A JP2003140697A (ja) 1997-03-14 2002-10-07 オーディオ信号を符号化する方法及び装置
US10/704,068 US7194407B2 (en) 1997-03-14 2003-11-07 Audio coding method and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI971108 1997-03-14
FI971108A FI114248B (fi) 1997-03-14 1997-03-14 Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen

Publications (3)

Publication Number Publication Date
FI971108A0 FI971108A0 (fi) 1997-03-14
FI971108A true FI971108A (fi) 1998-09-15
FI114248B FI114248B (fi) 2004-09-15

Family

ID=8548401

Family Applications (1)

Application Number Title Priority Date Filing Date
FI971108A FI114248B (fi) 1997-03-14 1997-03-14 Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen

Country Status (13)

Country Link
US (2) US6721700B1 (fi)
EP (1) EP0966793B1 (fi)
JP (2) JP3391686B2 (fi)
KR (1) KR100469002B1 (fi)
CN (1) CN1135721C (fi)
AU (1) AU733156B2 (fi)
DE (1) DE19811039B4 (fi)
ES (1) ES2164414T3 (fi)
FI (1) FI114248B (fi)
FR (1) FR2761801B1 (fi)
GB (1) GB2323759B (fi)
SE (1) SE521129C2 (fi)
WO (1) WO1998042083A1 (fi)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2380640A (en) * 2001-08-21 2003-04-09 Micron Technology Inc Data compression method
US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7016547B1 (en) 2002-06-28 2006-03-21 Microsoft Corporation Adaptive entropy encoding/decoding for screen capture content
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
JP4676140B2 (ja) 2002-09-04 2011-04-27 マイクロソフト コーポレーション オーディオの量子化および逆量子化
EP2006840B1 (en) 2002-09-04 2012-07-04 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
US7299190B2 (en) * 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
US7433824B2 (en) * 2002-09-04 2008-10-07 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
KR100524065B1 (ko) * 2002-12-23 2005-10-26 삼성전자주식회사 시간-주파수 상관성을 이용한 개선된 오디오 부호화및/또는 복호화 방법과 그 장치
TWI220753B (en) * 2003-01-20 2004-09-01 Mediatek Inc Method for determining quantization parameters
US7724827B2 (en) 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7688894B2 (en) 2003-09-07 2010-03-30 Microsoft Corporation Scan patterns for interlaced video content
US7782954B2 (en) 2003-09-07 2010-08-24 Microsoft Corporation Scan patterns for progressive video content
EP1668904A2 (en) * 2003-09-29 2006-06-14 Handheld Entertainment, Inc. Method and apparatus for coding information
TWI227866B (en) * 2003-11-07 2005-02-11 Mediatek Inc Subband analysis/synthesis filtering method
US7933767B2 (en) * 2004-12-27 2011-04-26 Nokia Corporation Systems and methods for determining pitch lag for a current frame of information
DE602006020686D1 (de) * 2005-01-12 2011-04-28 Nippon Telegraph & Telephone Kodierverfahren und dekodierverfahren mit langzeitvorhersage, vorrichtungen, programm und aufzeichnungsmedium dafür
US7684981B2 (en) 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7693709B2 (en) 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
US7539612B2 (en) * 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US8599925B2 (en) 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US7565018B2 (en) * 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
GB2436192B (en) * 2006-03-14 2008-03-05 Motorola Inc Speech communication unit integrated circuit and method therefor
DE102006022346B4 (de) * 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
RU2464650C2 (ru) * 2006-12-13 2012-10-20 Панасоник Корпорэйшн Устройство и способ кодирования, устройство и способ декодирования
US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
WO2008114075A1 (en) * 2007-03-16 2008-09-25 Nokia Corporation An encoder
US7774205B2 (en) 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
CN101075436B (zh) * 2007-06-26 2011-07-13 北京中星微电子有限公司 带补偿的音频编、解码方法及装置
US20090048827A1 (en) * 2007-08-17 2009-02-19 Manoj Kumar Method and system for audio frame estimation
ATE500588T1 (de) * 2008-01-04 2011-03-15 Dolby Sweden Ab Audiokodierer und -dekodierer
WO2009132662A1 (en) * 2008-04-28 2009-11-05 Nokia Corporation Encoding/decoding for improved frequency response
US8179974B2 (en) 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
KR20090122143A (ko) * 2008-05-23 2009-11-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
EP3373297B1 (en) 2008-09-18 2023-12-06 Electronics and Telecommunications Research Institute Decoding apparatus for transforming between modified discrete cosine transform-based coder and hetero coder
CN102016530B (zh) * 2009-02-13 2012-11-14 华为技术有限公司 一种基音周期检测方法和装置
DE102010006573B4 (de) * 2010-02-02 2012-03-15 Rohde & Schwarz Gmbh & Co. Kg IQ-Datenkompression für Breitbandanwendungen
CA3234476A1 (en) 2013-01-08 2014-07-17 Dolby International Ab Model based prediction in a critically sampled filterbank
CN110062945B (zh) * 2016-12-02 2023-05-23 迪拉克研究公司 音频输入信号的处理
CN112564713B (zh) * 2020-11-30 2023-09-19 福州大学 高效率低时延的动觉信号编解码器及编解码方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5921039B2 (ja) 1981-11-04 1984-05-17 日本電信電話株式会社 適応予測符号化方式
US4969192A (en) 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
GB8803390D0 (en) 1988-02-13 1988-03-16 Univ Belfast Method and apparatus for electrical signal coding
FR2628589B1 (fr) * 1988-03-14 1994-03-04 Etat Francais Codeur differentiel a filtre predicteur auto-adaptatif et decodeur utilisable en liaison avec un tel codeur
EP0364647B1 (en) * 1988-10-19 1995-02-22 International Business Machines Corporation Improvement to vector quantizing coder
IT1232084B (it) * 1989-05-03 1992-01-23 Cselt Centro Studi Lab Telecom Sistema di codifica per segnali audio a banda allargata
FR2646978B1 (fr) 1989-05-11 1991-08-23 France Etat Procede et installation a codage de signaux sonores
US5115240A (en) * 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
CA2010830C (en) 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
US5754976A (en) * 1990-02-23 1998-05-19 Universite De Sherbrooke Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech
JPH04119542A (ja) * 1990-09-07 1992-04-21 Nikon Corp 光磁気記録媒体カートリッジ
US5206884A (en) 1990-10-25 1993-04-27 Comsat Transform domain quantization technique for adaptive predictive coding
FI95085C (fi) 1992-05-11 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin digitaaliseksi koodaamiseksi sekä puhekooderi menetelmän suorittamiseksi
FI91345C (fi) 1992-06-24 1994-06-10 Nokia Mobile Phones Ltd Menetelmä kanavanvaihdon tehostamiseksi
GB2282943B (en) * 1993-03-26 1998-06-03 Motorola Inc Vector quantizer method and apparatus
IT1270438B (it) * 1993-06-10 1997-05-05 Sip Procedimento e dispositivo per la determinazione del periodo del tono fondamentale e la classificazione del segnale vocale in codificatori numerici della voce
FI98163C (fi) * 1994-02-08 1997-04-25 Nokia Mobile Phones Ltd Koodausjärjestelmä parametriseen puheenkoodaukseen
DE69429620D1 (de) * 1994-10-28 2002-02-14 Rai Radiotelevisione Italiana Teilbandkodierung mit auf Tonhöhen basierter Prädiktionskodierung in jedem einzelnen Teilband
WO1996019876A1 (en) * 1994-12-20 1996-06-27 Dolby Laboratories Licensing Corporation Method and apparatus for applying waveform prediction to subbands of a perceptual coding system
US5706395A (en) * 1995-04-19 1998-01-06 Texas Instruments Incorporated Adaptive weiner filtering using a dynamic suppression factor
TW321810B (fi) * 1995-10-26 1997-12-01 Sony Co Ltd
JP3481027B2 (ja) * 1995-12-18 2003-12-22 沖電気工業株式会社 音声符号化装置
US5778335A (en) * 1996-02-26 1998-07-07 The Regents Of The University Of California Method and apparatus for efficient multiband celp wideband speech and music coding and decoding
FI964975A (fi) * 1996-12-12 1998-06-13 Nokia Mobile Phones Ltd Menetelmä ja laite puheen koodaamiseksi

Also Published As

Publication number Publication date
AU733156B2 (en) 2001-05-10
SE9800776L (sv) 1998-09-15
FR2761801A1 (fr) 1998-10-09
JP3391686B2 (ja) 2003-03-31
DE19811039A1 (de) 1998-09-17
SE9800776D0 (sv) 1998-03-10
GB2323759A (en) 1998-09-30
US7194407B2 (en) 2007-03-20
FR2761801B1 (fr) 1999-12-31
ES2164414T3 (es) 2002-02-16
EP0966793A1 (en) 1999-12-29
KR100469002B1 (ko) 2005-01-29
EP0966793B1 (en) 2001-09-19
CN1195930A (zh) 1998-10-14
JP2003140697A (ja) 2003-05-16
GB2323759B (en) 2002-01-16
KR20000076273A (ko) 2000-12-26
SE521129C2 (sv) 2003-09-30
FI114248B (fi) 2004-09-15
CN1135721C (zh) 2004-01-21
US6721700B1 (en) 2004-04-13
JPH10282999A (ja) 1998-10-23
DE19811039B4 (de) 2005-07-21
GB9805294D0 (en) 1998-05-06
AU6216498A (en) 1998-10-12
WO1998042083A1 (en) 1998-09-24
US20040093208A1 (en) 2004-05-13
FI971108A0 (fi) 1997-03-14

Similar Documents

Publication Publication Date Title
FI971108A (fi) Audiokoodausmenetelmä ja -laite
DE69736446D1 (de) Audio Dekodierverfahren und -vorrichtung
GB2318029B (en) Audio coding method and apparatus
DE69924922D1 (de) Audiokodierungsmethode und Audiokodierungsvorrichtung
IL158102A0 (en) Scalable audio/coding method and apparatus
ID19832A (id) Peralatan dan metoda dekoding/koding audio berskala
DE69827173D1 (de) Bilddecodierungsverfahren und -apparat
DE69833834D1 (de) Skalierbares Audiokodier-und Dekodierverfahren und Gerät
EP0923243A4 (en) EDITING DEVICE, EDITING METHOD, SPLICING DEVICE, SPLICING METHOD, ENCODING DEVICE AND ENCODING METHOD
FI965091A0 (fi) Laskentamenetelmä ja -laite
IS5525A (is) Innúðabúnaður og aðferð
NO971847D0 (no) Diffusjonsbindingsfremgangsmåte og diffusjonsbindingsapparat
DE60045676D1 (de) Kodierungsvorrichtung und -Verfahren
GB2337392B (en) Coding device and method
DE69838897D1 (de) Aufzeichnungsverfahren und -vorrichtung
DE69712234D1 (de) Kodierungsverfahren und -gerät
DE69935564D1 (de) Kodiervorrichtung und -verfahren
DE69731995D1 (de) Informationsübertragungsverfahren und -vorrichtung
DE69521191D1 (de) Kodier- und Dekodiervorrichtung und -verfahren
DE69916726D1 (de) Kodierungsvorrichtung und -Verfahren
DE69712010D1 (de) Videokodierungs- und -dekodierungsverfahren und -vorrichtung
DE19882097T1 (de) Codiereinrichtung und Codierverfahren
SG88757A1 (en) Reproduction method and reproduction apparatus
SG68656A1 (en) Signal coding method and apparatus
DE69529809D1 (de) Dekodierungsverfahren und -vorrichtung

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 114248

Country of ref document: FI

PC Transfer of assignment of patent

Owner name: NOKIA TECHNOLOGIES OY

MA Patent expired