HK1154984A1 - Method and apparatus for generating a number of output audio channels - Google Patents
Method and apparatus for generating a number of output audio channelsInfo
- Publication number
- HK1154984A1 HK1154984A1 HK11109165.7A HK11109165A HK1154984A1 HK 1154984 A1 HK1154984 A1 HK 1154984A1 HK 11109165 A HK11109165 A HK 11109165A HK 1154984 A1 HK1154984 A1 HK 1154984A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- decoder
- data
- hierarchical
- data stream
- audio
- Prior art date
Links
- 238000000547 structure data Methods 0.000 abstract 3
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
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/233—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05106466 | 2005-07-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1154984A1 true HK1154984A1 (en) | 2012-05-04 |
Family
ID=37467582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK11109165.7A HK1154984A1 (en) | 2005-07-14 | 2011-08-30 | Method and apparatus for generating a number of output audio channels |
Country Status (14)
Country | Link |
---|---|
US (1) | US7966191B2 (es) |
EP (2) | EP2088580B1 (es) |
JP (2) | JP5097702B2 (es) |
KR (2) | KR101492826B1 (es) |
CN (2) | CN101223575B (es) |
AT (2) | ATE523877T1 (es) |
BR (1) | BRPI0613469A2 (es) |
DE (1) | DE602006007139D1 (es) |
ES (2) | ES2327158T3 (es) |
HK (1) | HK1154984A1 (es) |
MX (1) | MX2008000504A (es) |
PL (2) | PL2088580T3 (es) |
RU (2) | RU2418385C2 (es) |
WO (1) | WO2007007263A2 (es) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
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ATE523877T1 (de) * | 2005-07-14 | 2011-09-15 | Koninkl Philips Electronics Nv | Audiodecodierung |
JP5113049B2 (ja) * | 2005-07-29 | 2013-01-09 | エルジー エレクトロニクス インコーポレイティド | 符号化されたオーディオ信号の生成方法及びオーディオ信号の処理方法 |
KR101218776B1 (ko) * | 2006-01-11 | 2013-01-18 | 삼성전자주식회사 | 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체 |
KR20070099456A (ko) * | 2006-04-03 | 2007-10-09 | 엘지전자 주식회사 | 미디어 신호 처리 방법 및 장치 |
CN101578658B (zh) * | 2007-01-10 | 2012-06-20 | 皇家飞利浦电子股份有限公司 | 音频译码器 |
US20100241434A1 (en) * | 2007-02-20 | 2010-09-23 | Kojiro Ono | Multi-channel decoding device, multi-channel decoding method, program, and semiconductor integrated circuit |
CN101636917B (zh) | 2007-03-16 | 2013-07-24 | Lg电子株式会社 | 用于处理音频信号的方法和装置 |
KR101464977B1 (ko) * | 2007-10-01 | 2014-11-25 | 삼성전자주식회사 | 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치 |
CN101911180A (zh) * | 2007-10-22 | 2010-12-08 | 韩国电子通信研究院 | 多对象音频编码和解码方法以及其设备 |
WO2010053728A1 (en) * | 2008-10-29 | 2010-05-14 | Dolby Laboratories Licensing Corporation | Signal clipping protection using pre-existing audio gain metadata |
KR20110022251A (ko) * | 2009-08-27 | 2011-03-07 | 삼성전자주식회사 | 스테레오 오디오의 부호화, 복호화 방법 및 장치 |
PL2491554T3 (pl) | 2009-10-20 | 2014-08-29 | Fraunhofer Ges Forschung | Koder audio, dekoder audio, sposób kodowania informacji audio, sposób dekodowania informacji audio i program komputerowy wykorzystujący zasadę mapowania arytmetycznego kodowania zależnej od obszaru |
US9508351B2 (en) * | 2009-12-16 | 2016-11-29 | Dobly International AB | SBR bitstream parameter downmix |
CN102142924B (zh) * | 2010-02-03 | 2014-04-09 | 中兴通讯股份有限公司 | 一种多用途语音频编码传输方法和装置 |
ES2598827T3 (es) | 2011-03-28 | 2017-01-30 | Dolby Laboratories Licensing Corp. | Transformación de complejidad reducida para un canal de efectos de baja frecuencia |
WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
BR112015018522B1 (pt) * | 2013-02-14 | 2021-12-14 | Dolby Laboratories Licensing Corporation | Método, aparelho e meio não transitório que tem um método armazenado no mesmo para controlar a coerência entre canais de sinais de áudio com upmix. |
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 |
JP6248186B2 (ja) * | 2013-05-24 | 2017-12-13 | ドルビー・インターナショナル・アーベー | オーディオ・エンコードおよびデコード方法、対応するコンピュータ可読媒体ならびに対応するオーディオ・エンコーダおよびデコーダ |
TWI671734B (zh) * | 2013-09-12 | 2019-09-11 | 瑞典商杜比國際公司 | 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置及編碼裝置的音訊系統 |
KR20230011480A (ko) | 2013-10-21 | 2023-01-20 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성 |
JP6201047B2 (ja) | 2013-10-21 | 2017-09-20 | ドルビー・インターナショナル・アーベー | オーディオ信号のパラメトリック再構成のための脱相関器構造 |
EP2866475A1 (en) | 2013-10-23 | 2015-04-29 | Thomson Licensing | Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups |
EP3213323B1 (en) * | 2014-10-31 | 2018-12-12 | Dolby International AB | Parametric encoding and decoding of multichannel audio signals |
SG11201710080XA (en) * | 2015-06-24 | 2018-01-30 | Sony Corp | Audio processing apparatus and method, and program |
US10416954B2 (en) | 2017-04-28 | 2019-09-17 | Microsoft Technology Licensing, Llc | Streaming of augmented/virtual reality spatial audio/video |
Family Cites Families (18)
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JP3298478B2 (ja) * | 1997-11-10 | 2002-07-02 | 日本電気株式会社 | Mpeg復号装置 |
JPH11330980A (ja) * | 1998-05-13 | 1999-11-30 | Matsushita Electric Ind Co Ltd | 復号装置及びその復号方法、並びにその復号の手順を記録した記録媒体 |
JP2001268697A (ja) * | 2000-03-22 | 2001-09-28 | Sony Corp | データ伝送システム、データ伝送装置、データ伝送方法 |
WO2004019656A2 (en) | 2001-02-07 | 2004-03-04 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
US6996523B1 (en) * | 2001-02-13 | 2006-02-07 | Hughes Electronics Corporation | Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system |
SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
KR101016982B1 (ko) * | 2002-04-22 | 2011-02-28 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 디코딩 장치 |
US7447629B2 (en) | 2002-07-12 | 2008-11-04 | Koninklijke Philips Electronics N.V. | Audio coding |
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 |
FR2852172A1 (fr) * | 2003-03-04 | 2004-09-10 | France Telecom | Procede et dispositif de reconstruction spectrale d'un signal audio |
US7447317B2 (en) * | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
KR100571824B1 (ko) * | 2003-11-26 | 2006-04-17 | 삼성전자주식회사 | 부가정보 삽입된 mpeg-4 오디오 bsac부호화/복호화 방법 및 장치 |
JPWO2005081229A1 (ja) * | 2004-02-25 | 2007-10-25 | 松下電器産業株式会社 | オーディオエンコーダ及びオーディオデコーダ |
PL1735779T3 (pl) * | 2004-04-05 | 2014-01-31 | Koninklijke Philips Nv | Urządzenie kodujące, dekodujące, sposoby z nimi powiązane oraz powiązany system audio |
WO2005106850A1 (ja) * | 2004-04-28 | 2005-11-10 | Matsushita Electric Industrial Co., Ltd. | 階層符号化装置および階層符号化方法 |
ATE523877T1 (de) * | 2005-07-14 | 2011-09-15 | Koninkl Philips Electronics Nv | Audiodecodierung |
JP5321820B2 (ja) * | 2009-04-23 | 2013-10-23 | セイコーエプソン株式会社 | 用紙搬送装置 |
-
2006
- 2006-07-07 AT AT09005485T patent/ATE523877T1/de not_active IP Right Cessation
- 2006-07-07 CN CN2006800255555A patent/CN101223575B/zh active Active
- 2006-07-07 PL PL09005485T patent/PL2088580T3/pl unknown
- 2006-07-07 JP JP2008521009A patent/JP5097702B2/ja active Active
- 2006-07-07 DE DE602006007139T patent/DE602006007139D1/de active Active
- 2006-07-07 MX MX2008000504A patent/MX2008000504A/es active IP Right Grant
- 2006-07-07 AT AT06766049T patent/ATE433182T1/de not_active IP Right Cessation
- 2006-07-07 CN CN2010102983019A patent/CN102013256B/zh active Active
- 2006-07-07 EP EP09005485A patent/EP2088580B1/en active Active
- 2006-07-07 BR BRPI0613469-6A patent/BRPI0613469A2/pt not_active Application Discontinuation
- 2006-07-07 EP EP06766049A patent/EP1902443B1/en active Active
- 2006-07-07 WO PCT/IB2006/052309 patent/WO2007007263A2/en active Application Filing
- 2006-07-07 ES ES06766049T patent/ES2327158T3/es active Active
- 2006-07-07 KR KR1020107024547A patent/KR101492826B1/ko active IP Right Grant
- 2006-07-07 US US11/995,538 patent/US7966191B2/en active Active
- 2006-07-07 PL PL06766049T patent/PL1902443T3/pl unknown
- 2006-07-07 KR KR1020087003599A patent/KR101496193B1/ko active IP Right Grant
- 2006-07-07 ES ES09005485T patent/ES2374309T3/es active Active
- 2006-07-07 RU RU2008105556/09A patent/RU2418385C2/ru active
-
2010
- 2010-09-08 RU RU2010137467/08A patent/RU2461078C2/ru active
- 2010-11-15 JP JP2010254409A patent/JP5269039B2/ja active Active
-
2011
- 2011-08-30 HK HK11109165.7A patent/HK1154984A1/xx unknown
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