TWI395203B - 用於多重描述編碼系統之改良式相關與解相關變換技術 - Google Patents
用於多重描述編碼系統之改良式相關與解相關變換技術 Download PDFInfo
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- TWI395203B TWI395203B TW095140015A TW95140015A TWI395203B TW I395203 B TWI395203 B TW I395203B TW 095140015 A TW095140015 A TW 095140015A TW 95140015 A TW95140015 A TW 95140015A TW I395203 B TWI395203 B TW I395203B
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- Prior art keywords
- quantized
- transform
- signal
- coefficients
- correlation
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- 238000000034 method Methods 0.000 claims abstract description 47
- 230000009466 transformation Effects 0.000 claims description 71
- 230000006870 function Effects 0.000 claims description 52
- 238000013507 mapping Methods 0.000 claims description 42
- 238000013139 quantization Methods 0.000 claims description 40
- 238000000844 transformation Methods 0.000 claims description 27
- 230000002441 reversible effect Effects 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 claims 6
- 230000001131 transforming effect Effects 0.000 claims 2
- 230000002596 correlated effect Effects 0.000 claims 1
- 238000011002 quantification Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 35
- 230000003595 spectral effect Effects 0.000 description 33
- 239000011159 matrix material Substances 0.000 description 12
- 238000001228 spectrum Methods 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 6
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- 238000012935 Averaging Methods 0.000 description 1
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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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
- Color Television Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Image Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/312,230 US7536299B2 (en) | 2005-12-19 | 2005-12-19 | Correlating and decorrelating transforms for multiple description coding systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200729156A TW200729156A (en) | 2007-08-01 |
| TWI395203B true TWI395203B (zh) | 2013-05-01 |
Family
ID=37891736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW095140015A TWI395203B (zh) | 2005-12-19 | 2006-10-30 | 用於多重描述編碼系統之改良式相關與解相關變換技術 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7536299B2 (enExample) |
| EP (1) | EP1969593B1 (enExample) |
| JP (1) | JP4971357B2 (enExample) |
| CN (1) | CN101371294B (enExample) |
| AT (1) | ATE438174T1 (enExample) |
| DE (1) | DE602006008185D1 (enExample) |
| TW (1) | TWI395203B (enExample) |
| WO (1) | WO2007075230A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989425B (zh) | 2009-07-30 | 2012-05-23 | 华为终端有限公司 | 多描述音频编解码的方法、装置及系统 |
| EP2306456A1 (en) * | 2009-09-04 | 2011-04-06 | Thomson Licensing | Method for decoding an audio signal that has a base layer and an enhancement layer |
| TWI413110B (zh) | 2009-10-06 | 2013-10-21 | Dolby Int Ab | 以選擇性通道解碼的有效多通道信號處理 |
| US7932847B1 (en) * | 2009-12-04 | 2011-04-26 | Realtek Semiconductor Corp. | Hybrid coarse-fine time-to-digital converter |
| US20110164672A1 (en) * | 2010-01-05 | 2011-07-07 | Hong Jiang | Orthogonal Multiple Description Coding |
| US8886523B2 (en) * | 2010-04-14 | 2014-11-11 | Huawei Technologies Co., Ltd. | Audio decoding based on audio class with control code for post-processing modes |
| KR101699898B1 (ko) | 2011-02-14 | 2017-01-25 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치 |
| RU2586838C2 (ru) | 2011-02-14 | 2016-06-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудиокодек, использующий синтез шума в течение неактивной фазы |
| SG192714A1 (en) | 2011-02-14 | 2013-09-30 | Fraunhofer Ges Forschung | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
| TWI563498B (en) | 2011-02-14 | 2016-12-21 | Fraunhofer Ges Forschung | Apparatus and method for encoding an audio signal using an aligned look-ahead portion, and related computer program |
| AU2012217184B2 (en) | 2011-02-14 | 2015-07-30 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. | Encoding and decoding of pulse positions of tracks of an audio signal |
| MY159444A (en) | 2011-02-14 | 2017-01-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V | Encoding and decoding of pulse positions of tracks of an audio signal |
| CN102959620B (zh) | 2011-02-14 | 2015-05-13 | 弗兰霍菲尔运输应用研究公司 | 利用重迭变换的信息信号表示 |
| PL2661745T3 (pl) | 2011-02-14 | 2015-09-30 | Fraunhofer Ges Forschung | Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio |
| JP5890963B2 (ja) | 2011-03-17 | 2016-03-22 | 富士通株式会社 | データ保存プログラム及びデータ保存方法 |
| RU2509437C1 (ru) * | 2012-07-17 | 2014-03-10 | Федеральное государственное унитарное предприятие "Государственный научно-исследовательский институт авиационных систем" | Способ формирования целочисленных ортогональных декоррелирующих матриц заданных размеров для прямого и обратного декоррелирующего преобразования видеоизображений и устройство для его осуществления |
| WO2014126689A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for controlling the inter-channel coherence of upmixed audio signals |
| WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
| PL232466B1 (pl) * | 2015-01-19 | 2019-06-28 | Zylia Spolka Z Ograniczona Odpowiedzialnoscia | Sposób kodowania, sposób dekodowania, koder oraz dekoder sygnału audio |
| CN108496221B (zh) | 2016-01-26 | 2020-01-21 | 杜比实验室特许公司 | 自适应量化 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030138047A1 (en) * | 1999-07-28 | 2003-07-24 | Michael Orchard | Method and apparatus for accomplishing multiple description coding for video |
| US20040141656A1 (en) * | 2002-11-15 | 2004-07-22 | Irvine Ann C. | Apparatus and method for multiple description encoding |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| US6301222B1 (en) * | 1997-10-24 | 2001-10-09 | Lucent Technologies Inc. | Signal data transmission over lossy packet networks |
| US6345125B2 (en) * | 1998-02-25 | 2002-02-05 | Lucent Technologies Inc. | Multiple description transform coding using optimal transforms of arbitrary dimension |
| US6330370B2 (en) * | 1998-02-25 | 2001-12-11 | Lucent Technologies Inc. | Multiple description transform coding of images using optimal transforms of arbitrary dimension |
| US6253185B1 (en) * | 1998-02-25 | 2001-06-26 | Lucent Technologies Inc. | Multiple description transform coding of audio using optimal transforms of arbitrary dimension |
| US6198412B1 (en) * | 1999-01-20 | 2001-03-06 | Lucent Technologies Inc. | Method and apparatus for reduced complexity entropy coding |
| SE9903553D0 (sv) * | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL) |
| SE0001727L (sv) * | 2000-05-10 | 2001-11-11 | Global Ip Sound Ab | Överföring över paketförmedlade nät |
| CN1672421A (zh) * | 2002-07-31 | 2005-09-21 | 皇家飞利浦电子股份有限公司 | 采用混合预测码执行多描述运动补偿的方法和装置 |
| US20040102968A1 (en) * | 2002-08-07 | 2004-05-27 | Shumin Tian | Mulitple description coding via data fusion |
| KR100923297B1 (ko) * | 2002-12-14 | 2009-10-23 | 삼성전자주식회사 | 스테레오 오디오 부호화 방법, 그 장치, 복호화 방법 및그 장치 |
-
2005
- 2005-12-19 US US11/312,230 patent/US7536299B2/en active Active
-
2006
- 2006-10-30 TW TW095140015A patent/TWI395203B/zh active
- 2006-11-16 EP EP06837671A patent/EP1969593B1/en active Active
- 2006-11-16 DE DE602006008185T patent/DE602006008185D1/de active Active
- 2006-11-16 JP JP2008547236A patent/JP4971357B2/ja active Active
- 2006-11-16 WO PCT/US2006/044346 patent/WO2007075230A1/en not_active Ceased
- 2006-11-16 CN CN2006800526415A patent/CN101371294B/zh active Active
- 2006-11-16 AT AT06837671T patent/ATE438174T1/de not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030138047A1 (en) * | 1999-07-28 | 2003-07-24 | Michael Orchard | Method and apparatus for accomplishing multiple description coding for video |
| US20040141656A1 (en) * | 2002-11-15 | 2004-07-22 | Irvine Ann C. | Apparatus and method for multiple description encoding |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE438174T1 (de) | 2009-08-15 |
| DE602006008185D1 (de) | 2009-09-10 |
| CN101371294B (zh) | 2012-01-18 |
| HK1120327A1 (en) | 2009-03-27 |
| US20070150272A1 (en) | 2007-06-28 |
| CN101371294A (zh) | 2009-02-18 |
| TW200729156A (en) | 2007-08-01 |
| US7536299B2 (en) | 2009-05-19 |
| EP1969593B1 (en) | 2009-07-29 |
| WO2007075230A1 (en) | 2007-07-05 |
| EP1969593A1 (en) | 2008-09-17 |
| JP2009520237A (ja) | 2009-05-21 |
| JP4971357B2 (ja) | 2012-07-11 |
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