CN1135721C - 音频信号编码方法及其有关设备 - Google Patents
音频信号编码方法及其有关设备 Download PDFInfo
- Publication number
- CN1135721C CN1135721C CNB981041809A CN98104180A CN1135721C CN 1135721 C CN1135721 C CN 1135721C CN B981041809 A CNB981041809 A CN B981041809A CN 98104180 A CN98104180 A CN 98104180A CN 1135721 C CN1135721 C CN 1135721C
- Authority
- CN
- China
- Prior art keywords
- audio signal
- signal
- produce
- band
- sub
- 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
Links
Images
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 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
- G10L19/04—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 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
- G10L19/04—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 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
- G10L19/02—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 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
- G10L19/04—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
Abstract
Description
Claims (8)
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 (2)
Publication Number | Publication Date |
---|---|
CN1195930A CN1195930A (zh) | 1998-10-14 |
CN1135721C true CN1135721C (zh) | 2004-01-21 |
Family
ID=8548401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB981041809A Expired - Lifetime CN1135721C (zh) | 1997-03-14 | 1998-03-13 | 音频信号编码方法及其有关设备 |
Country Status (13)
Country | Link |
---|---|
US (2) | US6721700B1 (zh) |
EP (1) | EP0966793B1 (zh) |
JP (2) | JP3391686B2 (zh) |
KR (1) | KR100469002B1 (zh) |
CN (1) | CN1135721C (zh) |
AU (1) | AU733156B2 (zh) |
DE (1) | DE19811039B4 (zh) |
ES (1) | ES2164414T3 (zh) |
FI (1) | FI114248B (zh) |
FR (1) | FR2761801B1 (zh) |
GB (1) | GB2323759B (zh) |
SE (1) | SE521129C2 (zh) |
WO (1) | WO1998042083A1 (zh) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2380640A (en) * | 2001-08-21 | 2003-04-09 | Micron Technology Inc | Data compression method |
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 |
US7240001B2 (en) * | 2001-12-14 | 2007-07-03 | Microsoft Corporation | Quality improvement techniques in an audio encoder |
US7016547B1 (en) | 2002-06-28 | 2006-03-21 | Microsoft Corporation | Adaptive entropy encoding/decoding for screen capture content |
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 |
US7433824B2 (en) * | 2002-09-04 | 2008-10-07 | Microsoft Corporation | Entropy coding by adapting coding between level and run-length/level modes |
ATE381090T1 (de) | 2002-09-04 | 2007-12-15 | Microsoft Corp | Entropische kodierung mittels anpassung des kodierungsmodus zwischen niveau- und lauflängenniveau-modus |
US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
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 |
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 |
CN1860787A (zh) * | 2003-09-29 | 2006-11-08 | 手持娱乐公司 | 用于编码信息的方法和装置 |
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 |
CN101091317B (zh) * | 2005-01-12 | 2011-05-11 | 日本电信电话株式会社 | 用于长期预测编码和长期预测解码的方法和装置 |
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 |
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 |
US20100292986A1 (en) * | 2007-03-16 | 2010-11-18 | Nokia Corporation | 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 |
EP2339577B1 (en) * | 2008-09-18 | 2018-03-21 | Electronics and Telecommunications Research Institute | Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and hetero coder |
WO2010091554A1 (zh) * | 2009-02-13 | 2010-08-19 | 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 |
AU2014204954B2 (en) | 2013-01-08 | 2017-05-18 | Dolby International Ab | Model based prediction in a critically sampled filterbank |
US10638227B2 (en) | 2016-12-02 | 2020-04-28 | Dirac Research Ab | Processing of an audio input signal |
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)
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 |
DE3853161T2 (de) * | 1988-10-19 | 1995-08-17 | Ibm | Vektorquantisierungscodierer. |
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 |
SG47025A1 (en) * | 1993-03-26 | 1998-03-20 | 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 |
AU704693B2 (en) * | 1994-12-20 | 1999-04-29 | 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 (zh) * | 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 |
-
1997
- 1997-03-14 FI FI971108A patent/FI114248B/fi not_active IP Right Cessation
-
1998
- 1998-02-18 WO PCT/FI1998/000146 patent/WO1998042083A1/en active IP Right Grant
- 1998-02-18 EP EP98904191A patent/EP0966793B1/en not_active Expired - Lifetime
- 1998-02-18 KR KR10-1999-7008369A patent/KR100469002B1/ko not_active IP Right Cessation
- 1998-02-18 ES ES98904191T patent/ES2164414T3/es not_active Expired - Lifetime
- 1998-02-18 AU AU62164/98A patent/AU733156B2/en not_active Expired
- 1998-03-06 US US09/036,102 patent/US6721700B1/en not_active Expired - Lifetime
- 1998-03-10 SE SE9800776A patent/SE521129C2/sv not_active IP Right Cessation
- 1998-03-12 GB GB9805294A patent/GB2323759B/en not_active Expired - Lifetime
- 1998-03-13 JP JP06351498A patent/JP3391686B2/ja not_active Expired - Lifetime
- 1998-03-13 DE DE19811039A patent/DE19811039B4/de not_active Expired - Lifetime
- 1998-03-13 FR FR9803135A patent/FR2761801B1/fr not_active Expired - Lifetime
- 1998-03-13 CN CNB981041809A patent/CN1135721C/zh not_active Expired - Lifetime
-
2002
- 2002-10-07 JP JP2002293702A patent/JP2003140697A/ja active Pending
-
2003
- 2003-11-07 US US10/704,068 patent/US7194407B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US7194407B2 (en) | 2007-03-20 |
GB9805294D0 (en) | 1998-05-06 |
JP2003140697A (ja) | 2003-05-16 |
FR2761801A1 (fr) | 1998-10-09 |
DE19811039B4 (de) | 2005-07-21 |
FR2761801B1 (fr) | 1999-12-31 |
CN1195930A (zh) | 1998-10-14 |
EP0966793A1 (en) | 1999-12-29 |
US6721700B1 (en) | 2004-04-13 |
AU733156B2 (en) | 2001-05-10 |
US20040093208A1 (en) | 2004-05-13 |
WO1998042083A1 (en) | 1998-09-24 |
KR20000076273A (ko) | 2000-12-26 |
AU6216498A (en) | 1998-10-12 |
KR100469002B1 (ko) | 2005-01-29 |
SE9800776D0 (sv) | 1998-03-10 |
EP0966793B1 (en) | 2001-09-19 |
GB2323759B (en) | 2002-01-16 |
FI971108A0 (fi) | 1997-03-14 |
SE521129C2 (sv) | 2003-09-30 |
JP3391686B2 (ja) | 2003-03-31 |
SE9800776L (sv) | 1998-09-15 |
DE19811039A1 (de) | 1998-09-17 |
JPH10282999A (ja) | 1998-10-23 |
ES2164414T3 (es) | 2002-02-16 |
FI114248B (fi) | 2004-09-15 |
FI971108A (fi) | 1998-09-15 |
GB2323759A (en) | 1998-09-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1135721C (zh) | 音频信号编码方法及其有关设备 | |
US6064954A (en) | Digital audio signal coding | |
CN100454389C (zh) | 声音编码设备和声音编码方法 | |
CN102194457B (zh) | 音频编解码方法、系统及噪声水平估计方法 | |
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 | |
CN101030373A (zh) | 使用自适应掩蔽阈值的立体声感知音频编码的系统和方法 | |
EP2981961B1 (en) | Advanced quantizer | |
US8515770B2 (en) | Method and apparatus for encoding and decoding excitation patterns from which the masking levels for an audio signal encoding and decoding are determined | |
RU2008101778A (ru) | Масштабируемый сжатый битовый поток аудио и кодек, использующий иерархический набор фильтров и многоканальное совместное кодирование | |
RU2505921C2 (ru) | Способ и устройство кодирования и декодирования аудиосигналов (варианты) | |
CN1051099A (zh) | 信号能量参数优化的数字语声编码器 | |
CN1867967A (zh) | 音频编码中的率失真控制方案 | |
CN1124588C (zh) | 信号编码方法及设备 | |
CN1154084C (zh) | 一种基于伪小波滤波的音频编/解码方法 | |
KR101387808B1 (ko) | 가변 비트율을 갖는 잔차 신호 부호화를 이용한 고품질 다객체 오디오 부호화 및 복호화 장치 | |
JP2003233397A (ja) | オーディオ符号化装置、オーディオ符号化プログラム及びオーディオ符号化データ伝送装置 | |
CN101308657B (zh) | 一种基于先进音频编码器的码流合成方法 | |
CN108417219A (zh) | 一种适应于流媒体的音频对象编解码方法 | |
CN1202513C (zh) | 音频编码、译码方法和装置及其应用 | |
JP2004246038A (ja) | 音声楽音信号符号化方法、復号化方法、符号化装置、復号化装置、符号化プログラム、および復号化プログラム | |
KR20090016343A (ko) | Hht를 이용한 음성 및 오디오 신호의 부호화/복호화장치 및 방법 | |
JPH0990989A (ja) | 変換符号化方法および変換復号化方法 | |
KR102546098B1 (ko) | 블록 기반의 오디오 부호화/복호화 장치 및 그 방법 | |
CN104380377A (zh) | 用于可缩放低复杂度编码/解码的方法和装置 | |
CN103035249B (zh) | 一种基于时频平面上下文的音频算术编码方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1041300 Country of ref document: HK |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170110 Address after: Espoo, Finland Patentee after: NOKIA TECHNOLOGIES OY Address before: Espoo, Finland Patentee before: Nokia Corp. Effective date of registration: 20170110 Address after: Espoo, Finland Patentee after: NOKIA Corp. Address before: Espoo, Finland Patentee before: Nokia Mobile Phones Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20040121 |
|
CX01 | Expiry of patent term |