AU733156B2 - Audio coding method and apparatus - Google Patents

Audio coding method and apparatus Download PDF

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Publication number
AU733156B2
AU733156B2 AU62164/98A AU6216498A AU733156B2 AU 733156 B2 AU733156 B2 AU 733156B2 AU 62164/98 A AU62164/98 A AU 62164/98A AU 6216498 A AU6216498 A AU 6216498A AU 733156 B2 AU733156 B2 AU 733156B2
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AU
Australia
Prior art keywords
audio signal
quantised
generate
predicted
frequency sub
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Expired
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AU62164/98A
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English (en)
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AU6216498A (en
Inventor
Lin Yin
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Nokia Technologies Oy
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Nokia Mobile Phones Ltd
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Assigned to NOKIA TECHNOLOGIES OY reassignment NOKIA TECHNOLOGIES OY Alteration of Name(s) in Register under S187 Assignors: NOKIA MOBILE PHONES LIMITED
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    • 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)
AU62164/98A 1997-03-14 1998-02-18 Audio coding method and apparatus Expired AU733156B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI971108A FI114248B (fi) 1997-03-14 1997-03-14 Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
FI971108 1997-03-14
PCT/FI1998/000146 WO1998042083A1 (en) 1997-03-14 1998-02-18 Audio coding method and apparatus

Publications (2)

Publication Number Publication Date
AU6216498A AU6216498A (en) 1998-10-12
AU733156B2 true AU733156B2 (en) 2001-05-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
AU62164/98A Expired AU733156B2 (en) 1997-03-14 1998-02-18 Audio coding method and apparatus

Country Status (13)

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

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US7433824B2 (en) 2002-09-04 2008-10-07 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
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
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
US7724827B2 (en) 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US20070206682A1 (en) * 2003-09-29 2007-09-06 Eric Hamilton 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
CN101996637B (zh) * 2005-01-12 2012-08-08 日本电信电话株式会社 长期预测编码和长期预测解码的方法和装置
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
US7684981B2 (en) 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7539612B2 (en) * 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
US8599925B2 (en) 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US7565018B2 (en) 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
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
EP2077551B1 (en) * 2008-01-04 2011-03-02 Dolby Sweden AB Audio encoder and decoder
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
KR101670063B1 (ko) 2008-09-18 2016-10-28 한국전자통신연구원 Ｍｄｃｔ 기반의 코더와 이종의 코더 간 변환에서의 인코딩 장치 및 디코딩 장치
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
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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

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EP0709981A1 (en) * 1994-10-28 1996-05-01 RAI RADIOTELEVISIONE ITALIANA (S.p.A.) Subband coding with pitchband predictive coding in each subband
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GB2436192A (en) * 2006-03-14 2007-09-19 Motorola Inc A speech encoded signal and a long term predictor (ltp) logic comprising ltp memory and which quantises a memory state of the ltp logic.
GB2436192B (en) * 2006-03-14 2008-03-05 Motorola Inc Speech communication unit integrated circuit and method therefor

Also Published As

Publication number Publication date
CN1195930A (zh) 1998-10-14
JP2003140697A (ja) 2003-05-16
FR2761801A1 (fr) 1998-10-09
CN1135721C (zh) 2004-01-21
FI971108A7 (fi) 1998-09-15
DE19811039B4 (de) 2005-07-21
GB2323759A (en) 1998-09-30
WO1998042083A1 (en) 1998-09-24
SE9800776L (sv) 1998-09-15
FI114248B (fi) 2004-09-15
JP3391686B2 (ja) 2003-03-31
US7194407B2 (en) 2007-03-20
AU6216498A (en) 1998-10-12
KR20000076273A (ko) 2000-12-26
JPH10282999A (ja) 1998-10-23
DE19811039A1 (de) 1998-09-17
KR100469002B1 (ko) 2005-01-29
FR2761801B1 (fr) 1999-12-31
US20040093208A1 (en) 2004-05-13
US6721700B1 (en) 2004-04-13
ES2164414T3 (es) 2002-02-16
GB2323759B (en) 2002-01-16
EP0966793A1 (en) 1999-12-29
SE521129C2 (sv) 2003-09-30
GB9805294D0 (en) 1998-05-06
SE9800776D0 (sv) 1998-03-10
FI971108A0 (fi) 1997-03-14
EP0966793B1 (en) 2001-09-19

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