SE519981C2 - Kodning och avkodning av signaler från flera kanaler - Google Patents
Kodning och avkodning av signaler från flera kanalerInfo
- Publication number
- SE519981C2 SE519981C2 SE0003285A SE0003285A SE519981C2 SE 519981 C2 SE519981 C2 SE 519981C2 SE 0003285 A SE0003285 A SE 0003285A SE 0003285 A SE0003285 A SE 0003285A SE 519981 C2 SE519981 C2 SE 519981C2
- Authority
- SE
- Sweden
- Prior art keywords
- channels
- correlation
- channel
- codebook
- common
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 27
- 230000003044 adaptive effect Effects 0.000 claims description 27
- 238000004458 analytical method Methods 0.000 claims description 26
- 230000015572 biosynthetic process Effects 0.000 claims description 25
- 230000001934 delay Effects 0.000 claims description 25
- 238000013139 quantization Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 2
- 239000013598 vector Substances 0.000 description 24
- 230000005284 excitation Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 12
- 230000000875 corresponding effect Effects 0.000 description 11
- 230000002787 reinforcement Effects 0.000 description 10
- 230000003595 spectral effect Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000008571 general function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- G10L19/04—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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- 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
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)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Error Detection And Correction (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0003285A SE519981C2 (sv) | 2000-09-15 | 2000-09-15 | Kodning och avkodning av signaler från flera kanaler |
| DE60128711T DE60128711T2 (de) | 2000-09-15 | 2001-09-05 | Mehrkanal-signalcodierung und -decodierung |
| JP2002527492A JP4485123B2 (ja) | 2000-09-15 | 2001-09-05 | 複数チャネル信号の符号化及び復号化 |
| US10/380,423 US7283957B2 (en) | 2000-09-15 | 2001-09-05 | Multi-channel signal encoding and decoding |
| EP01963659A EP1320849B1 (en) | 2000-09-15 | 2001-09-05 | Multi-channel signal encoding and decoding |
| AT01963659T ATE363710T1 (de) | 2000-09-15 | 2001-09-05 | Mehrkanal-signalcodierung und -decodierung |
| AU2001284588A AU2001284588A1 (en) | 2000-09-15 | 2001-09-05 | Multi-channel signal encoding and decoding |
| PCT/SE2001/001885 WO2002023528A1 (en) | 2000-09-15 | 2001-09-05 | Multi-channel signal encoding and decoding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0003285A SE519981C2 (sv) | 2000-09-15 | 2000-09-15 | Kodning och avkodning av signaler från flera kanaler |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE0003285D0 SE0003285D0 (sv) | 2000-09-15 |
| SE0003285L SE0003285L (sv) | 2002-03-16 |
| SE519981C2 true SE519981C2 (sv) | 2003-05-06 |
Family
ID=20281032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0003285A SE519981C2 (sv) | 2000-09-15 | 2000-09-15 | Kodning och avkodning av signaler från flera kanaler |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7283957B2 (ja) |
| EP (1) | EP1320849B1 (ja) |
| JP (1) | JP4485123B2 (ja) |
| AT (1) | ATE363710T1 (ja) |
| AU (1) | AU2001284588A1 (ja) |
| DE (1) | DE60128711T2 (ja) |
| SE (1) | SE519981C2 (ja) |
| WO (1) | WO2002023528A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11551706B2 (en) * | 2018-07-12 | 2023-01-10 | Alibaba Group Holding Limited | Crosstalk data detection method and electronic device |
| US11741973B2 (en) | 2015-03-09 | 2023-08-29 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE519976C2 (sv) * | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
| SE519981C2 (sv) | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
| US7111102B2 (en) * | 2003-10-06 | 2006-09-19 | Cisco Technology, Inc. | Port adapter for high-bandwidth bus |
| FR2867649A1 (fr) * | 2003-12-10 | 2005-09-16 | France Telecom | Procede de codage multiple optimise |
| US7630396B2 (en) * | 2004-08-26 | 2009-12-08 | Panasonic Corporation | Multichannel signal coding equipment and multichannel signal decoding equipment |
| BRPI0516201A (pt) * | 2004-09-28 | 2008-08-26 | Matsushita Electric Ind Co Ltd | aparelho de codificação escalonável e método de codificação escalonável |
| EP1821287B1 (en) * | 2004-12-28 | 2009-11-11 | Panasonic Corporation | Audio encoding device and audio encoding method |
| US9626973B2 (en) | 2005-02-23 | 2017-04-18 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive bit allocation for multi-channel audio encoding |
| EP1851866B1 (en) * | 2005-02-23 | 2011-08-17 | Telefonaktiebolaget LM Ericsson (publ) | Adaptive bit allocation for multi-channel audio encoding |
| US8000967B2 (en) * | 2005-03-09 | 2011-08-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Low-complexity code excited linear prediction encoding |
| WO2006118178A1 (ja) * | 2005-04-28 | 2006-11-09 | Matsushita Electric Industrial Co., Ltd. | 音声符号化装置および音声符号化方法 |
| JP4907522B2 (ja) * | 2005-04-28 | 2012-03-28 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
| US9058812B2 (en) * | 2005-07-27 | 2015-06-16 | Google Technology Holdings LLC | Method and system for coding an information signal using pitch delay contour adjustment |
| EP1771021A1 (en) * | 2005-09-29 | 2007-04-04 | Telefonaktiebolaget LM Ericsson (publ) | A method and apparatus for allocation of radio resources |
| KR100667852B1 (ko) * | 2006-01-13 | 2007-01-11 | 삼성전자주식회사 | 휴대용 레코더 기기의 잡음 제거 장치 및 그 방법 |
| EP1848243B1 (en) * | 2006-04-18 | 2009-02-18 | Harman/Becker Automotive Systems GmbH | Multi-channel echo compensation system and method |
| CA2663904C (en) * | 2006-10-10 | 2014-05-27 | Qualcomm Incorporated | Method and apparatus for encoding and decoding audio signals |
| KR101398836B1 (ko) * | 2007-08-02 | 2014-05-26 | 삼성전자주식회사 | 스피치 코덱들의 고정 코드북들을 공통 모듈로 구현하는방법 및 장치 |
| JP5363488B2 (ja) | 2007-09-19 | 2013-12-11 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | マルチチャネル・オーディオのジョイント強化 |
| GB2470059A (en) | 2009-05-08 | 2010-11-10 | Nokia Corp | Multi-channel audio processing using an inter-channel prediction model to form an inter-channel parameter |
| US8620660B2 (en) * | 2010-10-29 | 2013-12-31 | The United States Of America, As Represented By The Secretary Of The Navy | Very low bit rate signal coder and decoder |
| JP5737077B2 (ja) * | 2011-08-30 | 2015-06-17 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム |
| US9460729B2 (en) | 2012-09-21 | 2016-10-04 | Dolby Laboratories Licensing Corporation | Layered approach to spatial audio coding |
| US9911423B2 (en) | 2014-01-13 | 2018-03-06 | Nokia Technologies Oy | Multi-channel audio signal classifier |
| EP3067885A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multi-channel signal |
| EP3353778B1 (en) * | 2015-09-25 | 2023-07-05 | VoiceAge Corporation | Method and system using a long-term correlation difference between left and right channels for time domain down mixing a stereo sound signal into primary and secondary channels |
| US9978381B2 (en) * | 2016-02-12 | 2018-05-22 | Qualcomm Incorporated | Encoding of multiple audio signals |
| US10475457B2 (en) * | 2017-07-03 | 2019-11-12 | Qualcomm Incorporated | Time-domain inter-channel prediction |
| CN115410584A (zh) * | 2021-05-28 | 2022-11-29 | 华为技术有限公司 | 多声道音频信号的编码方法和装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8913758D0 (en) * | 1989-06-15 | 1989-08-02 | British Telecomm | Polyphonic coding |
| JP3343962B2 (ja) | 1992-11-11 | 2002-11-11 | ソニー株式会社 | 高能率符号化方法及び装置 |
| US5956674A (en) * | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
| US6345246B1 (en) * | 1997-02-05 | 2002-02-05 | Nippon Telegraph And Telephone Corporation | Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates |
| TW384434B (en) | 1997-03-31 | 2000-03-11 | Sony Corp | Encoding method, device therefor, decoding method, device therefor and recording medium |
| DE19829284C2 (de) | 1998-05-15 | 2000-03-16 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verarbeiten eines zeitlichen Stereosignals und Verfahren und Vorrichtung zum Decodieren eines unter Verwendung einer Prädiktion über der Frequenz codierten Audiobitstroms |
| SE519552C2 (sv) | 1998-09-30 | 2003-03-11 | Ericsson Telefon Ab L M | Flerkanalig signalkodning och -avkodning |
| SE519981C2 (sv) | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
-
2000
- 2000-09-15 SE SE0003285A patent/SE519981C2/sv unknown
-
2001
- 2001-09-05 US US10/380,423 patent/US7283957B2/en not_active Expired - Lifetime
- 2001-09-05 WO PCT/SE2001/001885 patent/WO2002023528A1/en active IP Right Grant
- 2001-09-05 AT AT01963659T patent/ATE363710T1/de not_active IP Right Cessation
- 2001-09-05 AU AU2001284588A patent/AU2001284588A1/en not_active Abandoned
- 2001-09-05 JP JP2002527492A patent/JP4485123B2/ja not_active Expired - Lifetime
- 2001-09-05 EP EP01963659A patent/EP1320849B1/en not_active Expired - Lifetime
- 2001-09-05 DE DE60128711T patent/DE60128711T2/de not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11741973B2 (en) | 2015-03-09 | 2023-08-29 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| US11881225B2 (en) | 2015-03-09 | 2024-01-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| US11551706B2 (en) * | 2018-07-12 | 2023-01-10 | Alibaba Group Holding Limited | Crosstalk data detection method and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60128711D1 (de) | 2007-07-12 |
| US20040109471A1 (en) | 2004-06-10 |
| AU2001284588A1 (en) | 2002-03-26 |
| JP4485123B2 (ja) | 2010-06-16 |
| EP1320849B1 (en) | 2007-05-30 |
| SE0003285L (sv) | 2002-03-16 |
| DE60128711T2 (de) | 2008-02-07 |
| EP1320849A1 (en) | 2003-06-25 |
| JP2004509366A (ja) | 2004-03-25 |
| WO2002023528A1 (en) | 2002-03-21 |
| SE0003285D0 (sv) | 2000-09-15 |
| US7283957B2 (en) | 2007-10-16 |
| ATE363710T1 (de) | 2007-06-15 |
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