SE519552C2 - Flerkanalig signalkodning och -avkodning - Google Patents
Flerkanalig signalkodning och -avkodningInfo
- Publication number
- SE519552C2 SE519552C2 SE9803321A SE9803321A SE519552C2 SE 519552 C2 SE519552 C2 SE 519552C2 SE 9803321 A SE9803321 A SE 9803321A SE 9803321 A SE9803321 A SE 9803321A SE 519552 C2 SE519552 C2 SE 519552C2
- Authority
- SE
- Sweden
- Prior art keywords
- matrix
- channel
- denotes
- synthesis
- block
- Prior art date
Links
- 238000004458 analytical method Methods 0.000 claims abstract description 57
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 57
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 45
- 238000012546 transfer Methods 0.000 claims abstract description 32
- 239000011159 matrix material Substances 0.000 claims description 55
- 239000013598 vector Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 24
- 230000009466 transformation Effects 0.000 claims description 19
- 230000007774 longterm Effects 0.000 claims description 18
- 230000005284 excitation Effects 0.000 claims description 17
- 230000003044 adaptive effect Effects 0.000 claims description 15
- 230000001934 delay Effects 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 7
- 238000013139 quantization Methods 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 claims 3
- YLBMNMLHAAOXAL-UHFFFAOYSA-N aziv Chemical compound O1C(C)=C(O)C(=O)CC1OC1C2(C)CCC3(C)C4(C)CCC5C(C)(CO)C(OC6C(C(O)C(O)C(O6)C(O)=O)OC6C(C(O)C(O)C(CO)O6)OC6C(C(O)C(O)C(CO)O6)O)CCC5(C)C4CC=C3C2CC(C)(C)C1 YLBMNMLHAAOXAL-UHFFFAOYSA-N 0.000 claims 1
- 230000001131 transforming effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 36
- 238000012986 modification Methods 0.000 description 23
- 230000004048 modification Effects 0.000 description 23
- 230000000875 corresponding effect Effects 0.000 description 12
- 230000014509 gene expression Effects 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- FHKPLLOSJHHKNU-INIZCTEOSA-N [(3S)-3-[8-(1-ethyl-5-methylpyrazol-4-yl)-9-methylpurin-6-yl]oxypyrrolidin-1-yl]-(oxan-4-yl)methanone Chemical compound C(C)N1N=CC(=C1C)C=1N(C2=NC=NC(=C2N=1)O[C@@H]1CN(CC1)C(=O)C1CCOCC1)C FHKPLLOSJHHKNU-INIZCTEOSA-N 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000013144 data compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 101100298295 Drosophila melanogaster flfl gene Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000000844 transformation Methods 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9803321A SE519552C2 (sv) | 1998-09-30 | 1998-09-30 | Flerkanalig signalkodning och -avkodning |
| PCT/SE1999/001610 WO2000019413A1 (en) | 1998-09-30 | 1999-09-15 | Multi-channel signal encoding and decoding |
| EP99969816A EP1116223B1 (en) | 1998-09-30 | 1999-09-15 | Multi-channel signal encoding and decoding |
| DE69940068T DE69940068D1 (de) | 1998-09-30 | 1999-09-15 | Kodierung und dekodierung mehrkanaliger signale |
| JP2000572833A JP4743963B2 (ja) | 1998-09-30 | 1999-09-15 | 複数チャネル信号の符号化及び復号化 |
| KR10-2001-7004041A KR100415356B1 (ko) | 1998-09-30 | 1999-09-15 | 다중 채널 신호 인코딩 및 디코딩 방법 및 장치 |
| AU11921/00A AU756829B2 (en) | 1998-09-30 | 1999-09-15 | Multi-channel signal encoding and decoding |
| CN998115908A CN1132154C (zh) | 1998-09-30 | 1999-09-15 | 多信道信号编码和解码 |
| CA002344523A CA2344523C (en) | 1998-09-30 | 1999-09-15 | Multi-channel signal encoding and decoding |
| US09/407,599 US6393392B1 (en) | 1998-09-30 | 1999-09-28 | Multi-channel signal encoding and decoding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9803321A SE519552C2 (sv) | 1998-09-30 | 1998-09-30 | Flerkanalig signalkodning och -avkodning |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9803321D0 SE9803321D0 (sv) | 1998-09-30 |
| SE9803321L SE9803321L (sv) | 2000-03-31 |
| SE519552C2 true SE519552C2 (sv) | 2003-03-11 |
Family
ID=20412777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9803321A SE519552C2 (sv) | 1998-09-30 | 1998-09-30 | Flerkanalig signalkodning och -avkodning |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6393392B1 (zh) |
| EP (1) | EP1116223B1 (zh) |
| JP (1) | JP4743963B2 (zh) |
| KR (1) | KR100415356B1 (zh) |
| CN (1) | CN1132154C (zh) |
| AU (1) | AU756829B2 (zh) |
| CA (1) | CA2344523C (zh) |
| DE (1) | DE69940068D1 (zh) |
| SE (1) | SE519552C2 (zh) |
| WO (1) | WO2000019413A1 (zh) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE519985C2 (sv) * | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
| 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 |
| DE60233283D1 (de) * | 2001-02-27 | 2009-09-24 | Texas Instruments Inc | Verschleierungsverfahren bei Verlust von Sprachrahmen und Dekoder dafer |
| SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| 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 |
| 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 |
| US7299190B2 (en) | 2002-09-04 | 2007-11-20 | Microsoft Corporation | Quantization and inverse quantization for audio |
| JP2005202248A (ja) * | 2004-01-16 | 2005-07-28 | Fujitsu Ltd | オーディオ符号化装置およびオーディオ符号化装置のフレーム領域割り当て回路 |
| US7460990B2 (en) * | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
| EP1564650A1 (en) * | 2004-02-17 | 2005-08-17 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for transforming a digital audio signal and for inversely transforming a transformed digital audio signal |
| EP1914723B1 (en) * | 2004-05-19 | 2010-07-07 | Panasonic Corporation | Audio signal encoder and audio signal decoder |
| DE602005011439D1 (de) * | 2004-06-21 | 2009-01-15 | Koninkl Philips Electronics Nv | Verfahren und vorrichtung zum kodieren und dekodieren von mehrkanaltonsignalen |
| US7475011B2 (en) * | 2004-08-25 | 2009-01-06 | Microsoft Corporation | Greedy algorithm for identifying values for vocal tract resonance vectors |
| JP4555299B2 (ja) * | 2004-09-28 | 2010-09-29 | パナソニック株式会社 | スケーラブル符号化装置およびスケーラブル符号化方法 |
| KR20070061847A (ko) * | 2004-09-30 | 2007-06-14 | 마츠시타 덴끼 산교 가부시키가이샤 | 스케일러블 부호화 장치, 스케일러블 복호 장치 및 이들의방법 |
| TW200705386A (en) * | 2005-01-11 | 2007-02-01 | Agency Science Tech & Res | Encoder, decoder, method for encoding/decoding, computer readable media and computer program elements |
| US8024187B2 (en) * | 2005-02-10 | 2011-09-20 | Panasonic Corporation | Pulse allocating method in voice coding |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| 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 |
| EP1876585B1 (en) * | 2005-04-28 | 2010-06-16 | Panasonic Corporation | Audio encoding device and audio encoding method |
| DE602006011600D1 (de) * | 2005-04-28 | 2010-02-25 | Panasonic Corp | Audiocodierungseinrichtung und audiocodierungsverfahren |
| US7562021B2 (en) | 2005-07-15 | 2009-07-14 | Microsoft Corporation | Modification of codewords in dictionary used for efficient coding of digital media spectral data |
| US7630882B2 (en) * | 2005-07-15 | 2009-12-08 | Microsoft Corporation | Frequency segmentation to obtain bands for efficient coding of digital media |
| US7953604B2 (en) * | 2006-01-20 | 2011-05-31 | Microsoft Corporation | Shape and scale parameters for extended-band frequency coding |
| US8190425B2 (en) * | 2006-01-20 | 2012-05-29 | Microsoft Corporation | Complex cross-correlation parameters for multi-channel audio |
| US7831434B2 (en) * | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
| FR2901433A1 (fr) * | 2006-05-19 | 2007-11-23 | France Telecom | Conversion entre representations en domaines de sous-bandes pour des bancs de filtres variant dans le temps |
| US7797155B2 (en) * | 2006-07-26 | 2010-09-14 | Ittiam Systems (P) Ltd. | System and method for measurement of perceivable quantization noise in perceptual audio coders |
| US8983830B2 (en) | 2007-03-30 | 2015-03-17 | Panasonic Intellectual Property Corporation Of America | Stereo signal encoding device including setting of threshold frequencies and stereo signal encoding method including setting of threshold frequencies |
| JPWO2008132826A1 (ja) * | 2007-04-20 | 2010-07-22 | パナソニック株式会社 | ステレオ音声符号化装置およびステレオ音声符号化方法 |
| US20100121632A1 (en) * | 2007-04-25 | 2010-05-13 | Panasonic Corporation | Stereo audio encoding device, stereo audio decoding device, and their method |
| US7761290B2 (en) | 2007-06-15 | 2010-07-20 | Microsoft Corporation | Flexible frequency and time partitioning in perceptual transform coding of audio |
| US8046214B2 (en) * | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
| US7885819B2 (en) * | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
| US8249883B2 (en) * | 2007-10-26 | 2012-08-21 | Microsoft Corporation | Channel extension coding for multi-channel source |
| EP2209114B1 (en) * | 2007-10-31 | 2014-05-14 | Panasonic Corporation | Speech coding/decoding apparatus/method |
| KR101086304B1 (ko) * | 2009-11-30 | 2011-11-23 | 한국과학기술연구원 | 로봇 플랫폼에 의해 발생한 반사파 제거 신호처리 장치 및 방법 |
| CN102656627B (zh) * | 2009-12-16 | 2014-04-30 | 诺基亚公司 | 多信道音频处理方法和装置 |
| TWI634547B (zh) * | 2013-09-12 | 2018-09-01 | 瑞典商杜比國際公司 | 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品 |
| ES2809677T3 (es) * | 2015-09-25 | 2021-03-05 | Voiceage Corp | Método y sistema para codificar una señal de sonido estéreo utilizando parámetros de codificación de un canal primario para codificar un canal secundario |
| CN109427338B (zh) * | 2017-08-23 | 2021-03-30 | 华为技术有限公司 | 立体声信号的编码方法和编码装置 |
| CN110660400B (zh) * | 2018-06-29 | 2022-07-12 | 华为技术有限公司 | 立体声信号的编码、解码方法、编码装置和解码装置 |
| US11545165B2 (en) * | 2018-07-03 | 2023-01-03 | Panasonic Intellectual Property Corporation Of America | Encoding device and encoding method using a determined prediction parameter based on an energy difference between channels |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1165641B (it) * | 1979-03-15 | 1987-04-22 | Cselt Centro Studi Lab Telecom | Sintetizzatore numerico multicanale della voce |
| US4706094A (en) | 1985-05-03 | 1987-11-10 | United Technologies Corporation | Electro-optic beam scanner |
| US4636799A (en) | 1985-05-03 | 1987-01-13 | United Technologies Corporation | Poled domain beam scanner |
| GB2211965B (en) * | 1987-10-31 | 1992-05-06 | Rolls Royce Plc | Data processing systems |
| GB8913758D0 (en) * | 1989-06-15 | 1989-08-02 | British Telecomm | Polyphonic coding |
| JP3112462B2 (ja) * | 1989-10-17 | 2000-11-27 | 株式会社東芝 | 音声符号化装置 |
| EP0484595B1 (en) * | 1990-11-05 | 1996-01-31 | Koninklijke Philips Electronics N.V. | A digital transmission system, an apparatus for recording and/or reproducing, and a transmitter and a receiver for use in the transmission system |
| US5208786A (en) * | 1991-08-28 | 1993-05-04 | Massachusetts Institute Of Technology | Multi-channel signal separation |
| WO1993010571A1 (en) | 1991-11-14 | 1993-05-27 | United Technologies Corporation | Ferroelectric-scanned phased array antenna |
| JPH0677840A (ja) * | 1992-08-28 | 1994-03-18 | Fujitsu Ltd | ベクトル量子化装置 |
| DE4320990B4 (de) * | 1993-06-05 | 2004-04-29 | Robert Bosch Gmbh | Verfahren zur Redundanzreduktion |
| TW272341B (zh) * | 1993-07-16 | 1996-03-11 | Sony Co Ltd | |
| JP3528260B2 (ja) * | 1993-10-26 | 2004-05-17 | ソニー株式会社 | 符号化装置及び方法、並びに復号化装置及び方法 |
| US5488665A (en) * | 1993-11-23 | 1996-01-30 | At&T Corp. | Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels |
| JP3435674B2 (ja) * | 1994-05-06 | 2003-08-11 | 日本電信電話株式会社 | 信号の符号化方法と復号方法及びそれを使った符号器及び復号器 |
| DE19526366A1 (de) * | 1995-07-20 | 1997-01-23 | Bosch Gmbh Robert | Verfahren zur Redundanzreduktion bei der Codierung von mehrkanaligen Signalen und Vorrichtung zur Dekodierung von redundanzreduzierten, mehrkanaligen Signalen |
| US6307962B1 (en) * | 1995-09-01 | 2001-10-23 | The University Of Rochester | Document data compression system which automatically segments documents and generates compressed smart documents therefrom |
| US5812971A (en) | 1996-03-22 | 1998-09-22 | Lucent Technologies Inc. | Enhanced joint stereo coding method using temporal envelope shaping |
| US5924062A (en) * | 1997-07-01 | 1999-07-13 | Nokia Mobile Phones | ACLEP codec with modified autocorrelation matrix storage and search |
-
1998
- 1998-09-30 SE SE9803321A patent/SE519552C2/sv not_active IP Right Cessation
-
1999
- 1999-09-15 CA CA002344523A patent/CA2344523C/en not_active Expired - Lifetime
- 1999-09-15 WO PCT/SE1999/001610 patent/WO2000019413A1/en active IP Right Grant
- 1999-09-15 CN CN998115908A patent/CN1132154C/zh not_active Expired - Lifetime
- 1999-09-15 AU AU11921/00A patent/AU756829B2/en not_active Expired
- 1999-09-15 DE DE69940068T patent/DE69940068D1/de not_active Expired - Lifetime
- 1999-09-15 KR KR10-2001-7004041A patent/KR100415356B1/ko active IP Right Grant
- 1999-09-15 EP EP99969816A patent/EP1116223B1/en not_active Expired - Lifetime
- 1999-09-15 JP JP2000572833A patent/JP4743963B2/ja not_active Expired - Lifetime
- 1999-09-28 US US09/407,599 patent/US6393392B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2344523A1 (en) | 2000-04-06 |
| CN1132154C (zh) | 2003-12-24 |
| EP1116223A1 (en) | 2001-07-18 |
| WO2000019413A1 (en) | 2000-04-06 |
| CN1320258A (zh) | 2001-10-31 |
| KR100415356B1 (ko) | 2004-01-16 |
| SE9803321L (sv) | 2000-03-31 |
| JP2002526798A (ja) | 2002-08-20 |
| EP1116223B1 (en) | 2008-12-10 |
| CA2344523C (en) | 2009-12-01 |
| AU1192100A (en) | 2000-04-17 |
| US6393392B1 (en) | 2002-05-21 |
| KR20010099659A (ko) | 2001-11-09 |
| AU756829B2 (en) | 2003-01-23 |
| DE69940068D1 (de) | 2009-01-22 |
| JP4743963B2 (ja) | 2011-08-10 |
| SE9803321D0 (sv) | 1998-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |