CA2914904C - Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals - Google Patents
Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals Download PDFInfo
- Publication number
- CA2914904C CA2914904C CA2914904A CA2914904A CA2914904C CA 2914904 C CA2914904 C CA 2914904C CA 2914904 A CA2914904 A CA 2914904A CA 2914904 A CA2914904 A CA 2914904A CA 2914904 C CA2914904 C CA 2914904C
- Authority
- CA
- Canada
- Prior art keywords
- vector
- hoa
- signals
- coefficient
- domain signals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims description 14
- 239000013598 vector Substances 0.000 claims abstract description 259
- 238000010606 normalization Methods 0.000 claims description 73
- 230000007704 transition Effects 0.000 claims description 38
- 239000011159 matrix material Substances 0.000 claims description 33
- 238000012545 processing Methods 0.000 claims description 33
- 230000006870 function Effects 0.000 claims description 29
- 230000003044 adaptive effect Effects 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 11
- 238000009499 grossing Methods 0.000 claims description 8
- 230000001131 transforming effect Effects 0.000 claims description 8
- 230000002123 temporal effect Effects 0.000 claims description 7
- 230000000875 corresponding effect Effects 0.000 description 28
- 230000005540 biological transmission Effects 0.000 description 16
- 238000001228 spectrum Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001702 transmitter Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
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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
- 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
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
- H04S2420/11—Application of ambisonics in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Stereophonic System (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Image Processing (AREA)
- Radio Relay Systems (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Error Detection And Correction (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA3131695A CA3131695C (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
| CA3131690A CA3131690C (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13305986.5 | 2013-07-11 | ||
| EP20130305986 EP2824661A1 (en) | 2013-07-11 | 2013-07-11 | Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals |
| PCT/EP2014/063306 WO2015003900A1 (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3131695A Division CA3131695C (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
| CA3131690A Division CA3131690C (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2914904A1 CA2914904A1 (en) | 2015-01-15 |
| CA2914904C true CA2914904C (en) | 2021-11-09 |
Family
ID=48915948
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2914904A Active CA2914904C (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
| CA3131690A Active CA3131690C (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
| CA3209871A Pending CA3209871A1 (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
| CA3131695A Active CA3131695C (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3131690A Active CA3131690C (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
| CA3209871A Pending CA3209871A1 (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
| CA3131695A Active CA3131695C (en) | 2013-07-11 | 2014-06-24 | Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals |
Country Status (14)
| Country | Link |
|---|---|
| US (9) | US9668079B2 (https=) |
| EP (5) | EP2824661A1 (https=) |
| JP (6) | JP6490068B2 (https=) |
| KR (5) | KR102226620B1 (https=) |
| CN (9) | CN117116273A (https=) |
| AU (4) | AU2014289527B2 (https=) |
| BR (3) | BR122020017865B1 (https=) |
| CA (4) | CA2914904C (https=) |
| MX (2) | MX354300B (https=) |
| MY (3) | MY174125A (https=) |
| RU (1) | RU2670797C9 (https=) |
| TW (6) | TWI712034B (https=) |
| WO (1) | WO2015003900A1 (https=) |
| ZA (8) | ZA201508710B (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2665208A1 (en) | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| EP2824661A1 (en) | 2013-07-11 | 2015-01-14 | Thomson Licensing | Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals |
| KR20250085845A (ko) | 2014-06-27 | 2025-06-12 | 돌비 인터네셔널 에이비 | Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치 |
| EP2960903A1 (en) | 2014-06-27 | 2015-12-30 | Thomson Licensing | Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values |
| US9922657B2 (en) | 2014-06-27 | 2018-03-20 | Dolby Laboratories Licensing Corporation | Method for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values |
| KR20250051142A (ko) | 2014-06-27 | 2025-04-16 | 돌비 인터네셔널 에이비 | Hoa 데이터 프레임 표현의 데이터 프레임들 중 특정 데이터 프레임들의 채널 신호들과 연관된 비차분 이득 값들을 포함하는 코딩된 hoa 데이터 프레임 표현 |
| EP2963948A1 (en) | 2014-07-02 | 2016-01-06 | Thomson Licensing | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation |
| WO2016001355A1 (en) | 2014-07-02 | 2016-01-07 | Thomson Licensing | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation |
| US9800986B2 (en) | 2014-07-02 | 2017-10-24 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation |
| US9794714B2 (en) | 2014-07-02 | 2017-10-17 | Dolby Laboratories Licensing Corporation | Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation |
| EP2963949A1 (en) | 2014-07-02 | 2016-01-06 | Thomson Licensing | Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation |
| US9847088B2 (en) | 2014-08-29 | 2017-12-19 | Qualcomm Incorporated | Intermediate compression for higher order ambisonic audio data |
| US9875745B2 (en) * | 2014-10-07 | 2018-01-23 | Qualcomm Incorporated | Normalization of ambient higher order ambisonic audio data |
| WO2017017262A1 (en) * | 2015-07-30 | 2017-02-02 | Dolby International Ab | Method and apparatus for generating from an hoa signal representation a mezzanine hoa signal representation |
| US12087311B2 (en) | 2015-07-30 | 2024-09-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding an HOA representation |
| US12183352B2 (en) * | 2022-09-15 | 2024-12-31 | Sony Interactive Entertainment Inc. | Multi-order optimized Ambisonics decoding |
Family Cites Families (30)
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| 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 |
| US5754733A (en) * | 1995-08-01 | 1998-05-19 | Qualcomm Incorporated | Method and apparatus for generating and encoding line spectral square roots |
| JP2000509847A (ja) * | 1997-02-10 | 2000-08-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 音声信号を伝送する伝送システム |
| TW348684U (en) | 1997-10-20 | 1998-12-21 | Han An Shr | Folding connection for tilting connecting rods |
| US8605911B2 (en) * | 2001-07-10 | 2013-12-10 | Dolby International Ab | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| FR2847376B1 (fr) * | 2002-11-19 | 2005-02-04 | France Telecom | Procede de traitement de donnees sonores et dispositif d'acquisition sonore mettant en oeuvre ce procede |
| TW201215213A (en) * | 2004-04-13 | 2012-04-01 | Qualcomm Inc | Multimedia communication using co-located care of address for bearer traffic |
| US7930176B2 (en) * | 2005-05-20 | 2011-04-19 | Broadcom Corporation | Packet loss concealment for block-independent speech codecs |
| RU2007143418A (ru) * | 2005-05-25 | 2009-05-27 | Конинклейке Филипс Электроникс Н.В. (Nl) | Кодирование с предсказанием многоканального сигнала |
| US7831434B2 (en) * | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
| CN101136905B (zh) * | 2006-08-31 | 2010-09-08 | 华为技术有限公司 | 移动IPv6中的绑定更新方法及移动IPv6通讯系统 |
| RU2495503C2 (ru) * | 2008-07-29 | 2013-10-10 | Панасоник Корпорэйшн | Устройство кодирования звука, устройство декодирования звука, устройство кодирования и декодирования звука и система проведения телеконференций |
| EP2154910A1 (en) * | 2008-08-13 | 2010-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for merging spatial audio streams |
| EP2205007B1 (en) * | 2008-12-30 | 2019-01-09 | Dolby International AB | Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction |
| WO2010086342A1 (en) | 2009-01-28 | 2010-08-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, method for encoding an input audio information, method for decoding an input audio information and computer program using improved coding tables |
| CN102081926B (zh) * | 2009-11-27 | 2013-06-05 | 中兴通讯股份有限公司 | 格型矢量量化音频编解码方法和系统 |
| ES2472456T3 (es) * | 2010-03-26 | 2014-07-01 | Thomson Licensing | Método y dispositivo para decodificar una representación de un campo ac�stico de audio para reproducción de audio |
| US8879771B2 (en) * | 2010-04-08 | 2014-11-04 | Nokia Corporation | Apparatus and method for sound reproduction |
| CA2992917C (en) * | 2010-04-09 | 2020-05-26 | Dolby International Ab | Mdct-based complex prediction stereo coding |
| NZ587483A (en) * | 2010-08-20 | 2012-12-21 | Ind Res Ltd | Holophonic speaker system with filters that are pre-configured based on acoustic transfer functions |
| EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| EP2469741A1 (en) * | 2010-12-21 | 2012-06-27 | Thomson Licensing | Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field |
| US20120321816A1 (en) | 2011-06-14 | 2012-12-20 | Xerox Corporation | Systems and methods for leveling inks |
| EP2541547A1 (en) * | 2011-06-30 | 2013-01-02 | Thomson Licensing | Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation |
| JP2013050663A (ja) * | 2011-08-31 | 2013-03-14 | Nippon Hoso Kyokai <Nhk> | 多チャネル音響符号化装置およびそのプログラム |
| JP2013133366A (ja) | 2011-12-26 | 2013-07-08 | Sekisui Film Kk | 接着性フィルム、並びにこれを用いてなる太陽電池用封止フィルム、合わせガラス用中間フィルム、太陽電池及び合わせガラス |
| EP2743922A1 (en) | 2012-12-12 | 2014-06-18 | Thomson Licensing | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CN102982805B (zh) * | 2012-12-27 | 2014-11-19 | 北京理工大学 | 一种基于张量分解的多声道音频信号压缩方法 |
| EP2800401A1 (en) | 2013-04-29 | 2014-11-05 | Thomson Licensing | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| EP2824661A1 (en) * | 2013-07-11 | 2015-01-14 | Thomson Licensing | Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals |
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2013
- 2013-07-11 EP EP20130305986 patent/EP2824661A1/en not_active Withdrawn
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2014
- 2014-06-24 CN CN202311075024.9A patent/CN117116273A/zh active Pending
- 2014-06-24 MX MX2016000003A patent/MX354300B/es active IP Right Grant
- 2014-06-24 CA CA2914904A patent/CA2914904C/en active Active
- 2014-06-24 CN CN202311170904.4A patent/CN117275492A/zh active Pending
- 2014-06-24 JP JP2016524725A patent/JP6490068B2/ja active Active
- 2014-06-24 CN CN202310731179.7A patent/CN116564321A/zh active Pending
- 2014-06-24 EP EP18205365.2A patent/EP3518235B1/en active Active
- 2014-06-24 CA CA3131690A patent/CA3131690C/en active Active
- 2014-06-24 KR KR1020167000562A patent/KR102226620B1/ko active Active
- 2014-06-24 MY MYPI2015704551A patent/MY174125A/en unknown
- 2014-06-24 AU AU2014289527A patent/AU2014289527B2/en active Active
- 2014-06-24 KR KR1020217006813A patent/KR102386726B1/ko active Active
- 2014-06-24 CA CA3209871A patent/CA3209871A1/en active Pending
- 2014-06-24 CA CA3131695A patent/CA3131695C/en active Active
- 2014-06-24 EP EP24190333.5A patent/EP4456567A3/en active Pending
- 2014-06-24 CN CN201910918525.6A patent/CN110459230B/zh active Active
- 2014-06-24 CN CN201910918531.1A patent/CN110491397B/zh active Active
- 2014-06-24 KR KR1020227011971A patent/KR102534163B1/ko active Active
- 2014-06-24 RU RU2016104403A patent/RU2670797C9/ru active
- 2014-06-24 CN CN201910918534.5A patent/CN110459231B/zh active Active
- 2014-06-24 KR KR1020247012405A patent/KR20240055139A/ko active Pending
- 2014-06-24 BR BR122020017865-5A patent/BR122020017865B1/pt active IP Right Grant
- 2014-06-24 BR BR122017013717-4A patent/BR122017013717B1/pt active IP Right Grant
- 2014-06-24 MY MYPI2019002673A patent/MY199036A/en unknown
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- 2014-06-24 KR KR1020237016461A patent/KR102658702B1/ko active Active
- 2014-06-24 MY MYPI2019002672A patent/MY192149A/en unknown
- 2014-06-24 WO PCT/EP2014/063306 patent/WO2015003900A1/en not_active Ceased
- 2014-06-24 CN CN201480038940.8A patent/CN105378833B/zh active Active
- 2014-06-24 EP EP21216783.7A patent/EP4012704B1/en active Active
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- 2014-06-24 EP EP14732876.9A patent/EP3020041B1/en active Active
- 2014-07-04 TW TW108127251A patent/TWI712034B/zh active
- 2014-07-04 TW TW109137943A patent/TWI779381B/zh active
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- 2014-07-04 TW TW111133302A patent/TWI871529B/zh active
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2015
- 2015-11-26 ZA ZA2015/08710A patent/ZA201508710B/en unknown
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- 2017-05-05 US US15/588,320 patent/US9900721B2/en active Active
- 2017-10-23 US US15/790,375 patent/US10382876B2/en active Active
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2019
- 2019-02-26 JP JP2019032748A patent/JP6792011B2/ja active Active
- 2019-05-28 ZA ZA2019/03363A patent/ZA201903363B/en unknown
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Also Published As
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| EEER | Examination request |
Effective date: 20190621 |