JP3391686B2 - 符号化されたオーディオ信号を復号する方法及び装置 - Google Patents

符号化されたオーディオ信号を復号する方法及び装置

Info

Publication number
JP3391686B2
JP3391686B2 JP06351498A JP6351498A JP3391686B2 JP 3391686 B2 JP3391686 B2 JP 3391686B2 JP 06351498 A JP06351498 A JP 06351498A JP 6351498 A JP6351498 A JP 6351498A JP 3391686 B2 JP3391686 B2 JP 3391686B2
Authority
JP
Japan
Prior art keywords
audio signal
signal
prediction
quantized
frequency
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
JP06351498A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10282999A (ja
Inventor
イン リン
Original Assignee
ノキア モービル フォーンズ リミティド
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 ノキア モービル フォーンズ リミティド filed Critical ノキア モービル フォーンズ リミティド
Publication of JPH10282999A publication Critical patent/JPH10282999A/ja
Application granted granted Critical
Publication of JP3391686B2 publication Critical patent/JP3391686B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
JP06351498A 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 Expired - Lifetime JP3391686B2 (ja)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2002293702A Division 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

Publications (2)

Publication Number Publication Date
JPH10282999A JPH10282999A (ja) 1998-10-23
JP3391686B2 true JP3391686B2 (ja) 2003-03-31

Family

ID=8548401

Family Applications (2)

Application Number Title Priority Date Filing Date
JP06351498A Expired - Lifetime 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
JP2002293702A Pending 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

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2002293702A Pending 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

Country Status (13)

Country Link
US (2) US6721700B1 (cg-RX-API-DMAC10.html)
EP (1) EP0966793B1 (cg-RX-API-DMAC10.html)
JP (2) JP3391686B2 (cg-RX-API-DMAC10.html)
KR (1) KR100469002B1 (cg-RX-API-DMAC10.html)
CN (1) CN1135721C (cg-RX-API-DMAC10.html)
AU (1) AU733156B2 (cg-RX-API-DMAC10.html)
DE (1) DE19811039B4 (cg-RX-API-DMAC10.html)
ES (1) ES2164414T3 (cg-RX-API-DMAC10.html)
FI (1) FI114248B (cg-RX-API-DMAC10.html)
FR (1) FR2761801B1 (cg-RX-API-DMAC10.html)
GB (1) GB2323759B (cg-RX-API-DMAC10.html)
SE (1) SE521129C2 (cg-RX-API-DMAC10.html)
WO (1) WO1998042083A1 (cg-RX-API-DMAC10.html)

Families Citing this family (45)

* 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
US7299190B2 (en) * 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
EP2282310B1 (en) 2002-09-04 2012-01-25 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
US7433824B2 (en) 2002-09-04 2008-10-07 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
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
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
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
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
US7688894B2 (en) 2003-09-07 2010-03-30 Microsoft Corporation Scan patterns for interlaced 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
JP4469374B2 (ja) * 2005-01-12 2010-05-26 日本電信電話株式会社 長期予測符号化方法、長期予測復号化方法、これら装置、そのプログラム及び記録媒体
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
US7693709B2 (en) 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
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
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
WO2010032992A2 (ko) 2008-09-18 2010-03-25 한국전자통신연구원 Mdct기반의 코너와 이종의 코더간 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
CA3012134C (en) 2013-01-08 2019-10-15 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
WO2023133001A1 (en) * 2022-01-07 2023-07-13 Qualcomm Incorporated Sample generation based on joint probability distribution

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
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
CA2010830C (en) 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
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
CA2135629C (en) * 1993-03-26 2000-02-08 Ira A. Gerson Multi-segment vector quantizer for a speech coder suitable for use in a radiotelephone
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
EP0709981B1 (en) * 1994-10-28 2002-01-09 RAI RADIOTELEVISIONE ITALIANA (S.p.A.) Subband coding with pitchband predictive coding in each subband
EP0799531B1 (en) * 1994-12-20 2000-03-22 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 (cg-RX-API-DMAC10.html) * 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
FI964975A7 (fi) * 1996-12-12 1998-06-13 Nokia Mobile Phones Ltd Menetelmä ja laite puheen koodaamiseksi

Also Published As

Publication number Publication date
FR2761801B1 (fr) 1999-12-31
SE9800776L (sv) 1998-09-15
DE19811039A1 (de) 1998-09-17
GB9805294D0 (en) 1998-05-06
AU733156B2 (en) 2001-05-10
CN1135721C (zh) 2004-01-21
FI971108A7 (fi) 1998-09-15
EP0966793B1 (en) 2001-09-19
CN1195930A (zh) 1998-10-14
DE19811039B4 (de) 2005-07-21
US20040093208A1 (en) 2004-05-13
US6721700B1 (en) 2004-04-13
KR100469002B1 (ko) 2005-01-29
FI971108A0 (fi) 1997-03-14
KR20000076273A (ko) 2000-12-26
SE9800776D0 (sv) 1998-03-10
JPH10282999A (ja) 1998-10-23
WO1998042083A1 (en) 1998-09-24
US7194407B2 (en) 2007-03-20
SE521129C2 (sv) 2003-09-30
FR2761801A1 (fr) 1998-10-09
FI114248B (fi) 2004-09-15
GB2323759B (en) 2002-01-16
AU6216498A (en) 1998-10-12
EP0966793A1 (en) 1999-12-29
JP2003140697A (ja) 2003-05-16
GB2323759A (en) 1998-09-30
ES2164414T3 (es) 2002-02-16

Similar Documents

Publication Publication Date Title
JP2003140697A (ja) オーディオ信号を符号化する方法及び装置
JP4567238B2 (ja) 符号化方法、復号化方法、符号化器、及び復号化器
CN101553870B (zh) 后处理谱值的设备和方法及音频信号的编码器和解码器
JP5820464B2 (ja) オーディオまたはビデオエンコーダ、オーディオまたはビデオデコーダ、及び予測方向可変の予測を使用したマルチチャンネルオーディオまたはビデオ信号処理方法
CN101432802B (zh) 使用有损编码的数据流和无损扩展数据流对源信号进行无损编码的方法以及设备
JP5123303B2 (ja) 不可逆的符号化データ・ストリームと可逆的伸張データ・ストリームを用いて原信号を可逆的に符号化する方法及び装置
JP2001522156A (ja) オーディオ信号をコーディングする方法及び装置並びにビットストリームをデコーディングする方法及び装置
JPH09204197A (ja) 周波数領域内のｌｐｃ予測による時間領域内での知覚ノイズ整形
JP2001500640A (ja) オーディオ信号の符号化方法
US6593872B2 (en) Signal processing apparatus and method, signal coding apparatus and method, and signal decoding apparatus and method
JP2013528822A (ja) オーディオエンコーダ、オーディオデコーダ、及び複素数予測を使用したマルチチャンネルオーディオ信号処理方法
KR20100113065A (ko) 정수 변환에 기초한 부호화 및 복호화에 대한 반올림 노이즈 셰이핑
JPH08263098A (ja) 音響信号符号化方法、音響信号復号化方法
JP2000508091A (ja) 離散信号のコード化およびコード化された離散信号のデコード化のための各方法および各装置
JP2003523535A (ja) 複数のデータ圧縮フォーマット間でのオーディオ信号の変換方法及び装置
EP1743326B1 (en) Lossless multi-channel audio codec
JPH0341500A (ja) 低遅延低ビツトレート音声コーダ
JP4359949B2 (ja) 信号符号化装置及び方法、並びに信号復号装置及び方法
KR19980080742A (ko) 신호 부호화방법 및 장치
US6012025A (en) Audio coding method and apparatus using backward adaptive prediction
JP2000132193A (ja) 信号符号化装置及び方法、並びに信号復号装置及び方法
JP4618823B2 (ja) 信号符号化装置及び方法
JP4721355B2 (ja) 符号化データの符号化則変換方法および装置
JP4516345B2 (ja) 音声符号化情報処理装置および音声符号化情報処理プログラム
Robinson et al. Audio Decoding on the C54X

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080124

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090124

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090124

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100124

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110124

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110124

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120124

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130124

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130124

Year of fee payment: 10

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term