WO2009046460A3 - Phase-amplitude 3-d stereo encoder and decoder - Google Patents
Phase-amplitude 3-d stereo encoder and decoder Download PDFInfo
- Publication number
- WO2009046460A3 WO2009046460A3 PCT/US2008/079004 US2008079004W WO2009046460A3 WO 2009046460 A3 WO2009046460 A3 WO 2009046460A3 US 2008079004 W US2008079004 W US 2008079004W WO 2009046460 A3 WO2009046460 A3 WO 2009046460A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cues
- channel
- audio
- amplitude
- over
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 230000004807 localization Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000012732 spatial analysis Methods 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
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- 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
-
- 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
-
- 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)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Mathematical Analysis (AREA)
- Theoretical Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200880119420.4A CN101889307B (en) | 2007-10-04 | 2008-10-06 | Phase-amplitude 3-D stereo encoder and decoder |
GB1006666.0A GB2467247B (en) | 2007-10-04 | 2008-10-06 | Phase-amplitude 3-D stereo encoder and decoder |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US97743207P | 2007-10-04 | 2007-10-04 | |
US60/977,432 | 2007-10-04 | ||
US12/047,285 US8345899B2 (en) | 2006-05-17 | 2008-03-12 | Phase-amplitude matrixed surround decoder |
US12/047,285 | 2008-03-12 | ||
US10200208P | 2008-10-01 | 2008-10-01 | |
US61/102,002 | 2008-10-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009046460A2 WO2009046460A2 (en) | 2009-04-09 |
WO2009046460A3 true WO2009046460A3 (en) | 2009-06-11 |
Family
ID=40526992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/079004 WO2009046460A2 (en) | 2007-10-04 | 2008-10-06 | Phase-amplitude 3-d stereo encoder and decoder |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN101889307B (en) |
GB (1) | GB2467247B (en) |
WO (1) | WO2009046460A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2640647C2 (en) * | 2013-07-22 | 2018-01-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Device and method of transforming first and second input channels, at least, in one output channel |
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WO2011090437A1 (en) * | 2010-01-19 | 2011-07-28 | Nanyang Technological University | A system and method for processing an input signal to produce 3d audio effects |
US9282417B2 (en) | 2010-02-02 | 2016-03-08 | Koninklijke N.V. | Spatial sound reproduction |
CN102522093A (en) * | 2012-01-09 | 2012-06-27 | 武汉大学 | Sound source separation method based on three-dimensional space audio frequency perception |
EP2665208A1 (en) | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
EP2981956B1 (en) | 2013-04-05 | 2022-11-30 | Dolby International AB | Audio processing system |
JP6515802B2 (en) * | 2013-04-26 | 2019-05-22 | ソニー株式会社 | Voice processing apparatus and method, and program |
EP3026936B1 (en) * | 2013-07-24 | 2020-04-29 | Sony Corporation | Information processing device and method, and program |
PL3429233T3 (en) * | 2013-07-30 | 2020-11-16 | Dts, Inc. | Matrix decoder with constant-power pairwise panning |
CN103618986B (en) | 2013-11-19 | 2015-09-30 | 深圳市新一代信息技术研究院有限公司 | The extracting method of source of sound acoustic image body and device in a kind of 3d space |
CN104378728B (en) * | 2014-10-27 | 2016-05-25 | 常州听觉工坊智能科技有限公司 | stereo audio processing method and device |
US10375472B2 (en) | 2015-07-02 | 2019-08-06 | Dolby Laboratories Licensing Corporation | Determining azimuth and elevation angles from stereo recordings |
HK1255002A1 (en) | 2015-07-02 | 2019-08-02 | 杜比實驗室特許公司 | Determining azimuth and elevation angles from stereo recordings |
CA3080981C (en) * | 2015-11-17 | 2023-07-11 | Dolby Laboratories Licensing Corporation | Headtracking for parametric binaural output system and method |
CN106155982B (en) * | 2016-07-08 | 2019-03-15 | 天津大学 | Amplitude/frequency/time encoding and Short Time Fourier Transform coding/decoding method and device |
CN106412792B (en) * | 2016-09-05 | 2018-10-30 | 上海艺瓣文化传播有限公司 | The system and method that spatialization is handled and synthesized is re-started to former stereo file |
MC200185B1 (en) | 2016-09-16 | 2017-10-04 | Coronal Audio | Device and method for capturing and processing a three-dimensional acoustic field |
MC200186B1 (en) * | 2016-09-30 | 2017-10-18 | Coronal Encoding | Method for conversion, stereo encoding, decoding and transcoding of a three-dimensional audio signal |
US10158963B2 (en) * | 2017-01-30 | 2018-12-18 | Google Llc | Ambisonic audio with non-head tracked stereo based on head position and time |
US10893373B2 (en) * | 2017-05-09 | 2021-01-12 | Dolby Laboratories Licensing Corporation | Processing of a multi-channel spatial audio format input signal |
PL3707706T3 (en) * | 2017-11-10 | 2021-11-22 | Nokia Technologies Oy | Determination of spatial audio parameter encoding and associated decoding |
WO2019129350A1 (en) * | 2017-12-28 | 2019-07-04 | Nokia Technologies Oy | Determination of spatial audio parameter encoding and associated decoding |
CN109036456B (en) * | 2018-09-19 | 2022-10-14 | 电子科技大学 | Method for extracting source component environment component for stereo |
JP2022504203A (en) | 2018-10-05 | 2022-01-13 | マジック リープ, インコーポレイテッド | Emphasis for audio spatialization |
CN110751956B (en) * | 2019-09-17 | 2022-04-26 | 北京时代拓灵科技有限公司 | Immersive audio rendering method and system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007031896A1 (en) * | 2005-09-13 | 2007-03-22 | Koninklijke Philips Electronics N.V. | Audio coding |
WO2007096808A1 (en) * | 2006-02-21 | 2007-08-30 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0400998D0 (en) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
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2008
- 2008-10-06 GB GB1006666.0A patent/GB2467247B/en active Active
- 2008-10-06 WO PCT/US2008/079004 patent/WO2009046460A2/en active Application Filing
- 2008-10-06 CN CN200880119420.4A patent/CN101889307B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007031896A1 (en) * | 2005-09-13 | 2007-03-22 | Koninklijke Philips Electronics N.V. | Audio coding |
WO2007096808A1 (en) * | 2006-02-21 | 2007-08-30 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
Non-Patent Citations (2)
Title |
---|
"Proc. of the 7th Int. Conference on Digital Audio Effects (DAFx' 04)", 5 October 2004, NAPLES, ITALY, article FALLER C.: "PARAMETRIC CODING OF SPATIAL AUDIO" * |
HERRE J. ET AL.: "MPEG Surround . The ISO/MPEG Standard for Efficient and Compatible Multi-Channel Audio Coding", AES 122ND CONVENTION, 5 May 2007 (2007-05-05), AUSTRIA * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2640647C2 (en) * | 2013-07-22 | 2018-01-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Device and method of transforming first and second input channels, at least, in one output channel |
RU2672386C1 (en) * | 2013-07-22 | 2018-11-14 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Device and method for conversion of first and second input channels at least in one output channel |
Also Published As
Publication number | Publication date |
---|---|
WO2009046460A2 (en) | 2009-04-09 |
GB201006666D0 (en) | 2010-06-09 |
GB2467247B (en) | 2012-02-29 |
CN101889307A (en) | 2010-11-17 |
CN101889307B (en) | 2013-01-23 |
GB2467247A (en) | 2010-07-28 |
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