CA2965731C - Parametric mixing of audio signals - Google Patents
Parametric mixing of audio signals Download PDFInfo
- Publication number
- CA2965731C CA2965731C CA2965731A CA2965731A CA2965731C CA 2965731 C CA2965731 C CA 2965731C CA 2965731 A CA2965731 A CA 2965731A CA 2965731 A CA2965731 A CA 2965731A CA 2965731 C CA2965731 C CA 2965731C
- Authority
- CA
- Canada
- Prior art keywords
- channel
- signal
- channels
- additional
- downmix
- 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.)
- Active
Links
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
-
- 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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- 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)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462073462P | 2014-10-31 | 2014-10-31 | |
| US62/073,462 | 2014-10-31 | ||
| US201562167711P | 2015-05-28 | 2015-05-28 | |
| US62/167,711 | 2015-05-28 | ||
| PCT/EP2015/075022 WO2016066705A1 (en) | 2014-10-31 | 2015-10-28 | Parametric mixing of audio signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2965731A1 CA2965731A1 (en) | 2016-05-06 |
| CA2965731C true CA2965731C (en) | 2023-12-05 |
Family
ID=54364338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2965731A Active CA2965731C (en) | 2014-10-31 | 2015-10-28 | Parametric mixing of audio signals |
Country Status (39)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9674587B2 (en) * | 2012-06-26 | 2017-06-06 | Sonos, Inc. | Systems and methods for networked music playback including remote add to queue |
| BR112017008015B1 (pt) * | 2014-10-31 | 2023-11-14 | Dolby International Ab | Métodos e sistemas de decodificação e codificação de áudio |
| WO2016172254A1 (en) | 2015-04-21 | 2016-10-27 | Dolby Laboratories Licensing Corporation | Spatial audio signal manipulation |
| EP3915106A1 (en) * | 2019-01-21 | 2021-12-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding a spatial audio representation or apparatus and method for decoding an encoded audio signal using transport metadata and related computer programs |
| US11523239B2 (en) * | 2019-07-22 | 2022-12-06 | Hisense Visual Technology Co., Ltd. | Display apparatus and method for processing audio |
| IL290684B2 (en) | 2019-09-03 | 2025-12-01 | Dolby Laboratories Licensing Corp | Low-latency, low-frequency effects codec |
| CN114258568B (zh) * | 2021-11-26 | 2024-12-03 | 北京小米移动软件有限公司 | 一种立体声音频信号处理方法、装置、编码设备、解码设备及存储介质 |
| WO2025091293A1 (zh) * | 2023-10-31 | 2025-05-08 | 北京小米移动软件有限公司 | 分组方法、编码器、解码器以及存储介质 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7720230B2 (en) * | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
| US20060106620A1 (en) | 2004-10-28 | 2006-05-18 | Thompson Jeffrey K | Audio spatial environment down-mixer |
| SE0402649D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| WO2006054270A1 (en) | 2004-11-22 | 2006-05-26 | Bang & Olufsen A/S | A method and apparatus for multichannel upmixing and downmixing |
| EP1844626A2 (en) | 2005-01-24 | 2007-10-17 | THX Ltd | Ambient and direct surround sound system |
| TWI313857B (en) * | 2005-04-12 | 2009-08-21 | Coding Tech Ab | Apparatus for generating a parameter representation of a multi-channel signal and method for representing multi-channel audio signals |
| DE602006004959D1 (de) * | 2005-04-15 | 2009-03-12 | Dolby Sweden Ab | Zeitliche hüllkurvenformgebung von entkorrelierten signalen |
| KR101294022B1 (ko) * | 2006-02-03 | 2013-08-08 | 한국전자통신연구원 | 공간큐를 이용한 다객체 또는 다채널 오디오 신호의 랜더링제어 방법 및 그 장치 |
| US7965848B2 (en) | 2006-03-29 | 2011-06-21 | Dolby International Ab | Reduced number of channels decoding |
| AU2007312598B2 (en) | 2006-10-16 | 2011-01-20 | Dolby International Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
| EP2102856A4 (en) | 2006-12-07 | 2010-01-13 | Lg Electronics Inc | METHOD AND DEVICE FOR PROCESSING AN AUDIO SIGNAL |
| US8908873B2 (en) | 2007-03-21 | 2014-12-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for conversion between multi-channel audio formats |
| CA2684975C (en) * | 2007-04-26 | 2016-08-02 | Dolby Sweden Ab | Apparatus and method for synthesizing an output signal |
| JP5883561B2 (ja) * | 2007-10-17 | 2016-03-15 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ | アップミックスを使用した音声符号器 |
| JP5258967B2 (ja) * | 2008-07-15 | 2013-08-07 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号の処理方法及び装置 |
| EP2214162A1 (en) | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
| EP2214161A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for upmixing a downmix audio signal |
| EP2249334A1 (en) * | 2009-05-08 | 2010-11-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio format transcoder |
| EP2489038B1 (en) | 2009-11-20 | 2016-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for providing an upmix signal representation on the basis of the downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer programs and bitstream representing a multi-channel audio signal using a linear combination parameter |
| AU2013284704B2 (en) | 2012-07-02 | 2019-01-31 | Sony Corporation | Decoding device and method, encoding device and method, and program |
| JP6231093B2 (ja) | 2012-07-09 | 2017-11-15 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | オーディオ信号の符号化及び復号 |
| EP2956935B1 (en) * | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| JP6479786B2 (ja) | 2013-10-21 | 2019-03-06 | 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 |
-
2015
- 2015-10-13 TW TW104133508A patent/TWI587286B/zh active
- 2015-10-28 SG SG11201703263PA patent/SG11201703263PA/en unknown
- 2015-10-28 EP EP15787573.3A patent/EP3213322B1/en active Active
- 2015-10-28 HU HUE15787573 patent/HUE044368T2/hu unknown
- 2015-10-28 HK HK18102845.3A patent/HK1243547B/en unknown
- 2015-10-28 ME MEP-2019-170A patent/ME03453B/me unknown
- 2015-10-28 TN TN2017000143A patent/TN2017000143A1/en unknown
- 2015-10-28 CA CA2965731A patent/CA2965731C/en active Active
- 2015-10-28 PE PE2017000726A patent/PE20170759A1/es unknown
- 2015-10-28 HR HRP20191107TT patent/HRP20191107T1/hr unknown
- 2015-10-28 DK DK15787573.3T patent/DK3213322T3/da active
- 2015-10-28 AU AU2015340622A patent/AU2015340622B2/en active Active
- 2015-10-28 PL PL15787573T patent/PL3213322T3/pl unknown
- 2015-10-28 MX MX2017005409A patent/MX364405B/es active IP Right Grant
- 2015-10-28 CN CN201580059156.XA patent/CN107112020B/zh active Active
- 2015-10-28 PT PT15787573T patent/PT3213322T/pt unknown
- 2015-10-28 EA EA201790753A patent/EA034250B1/ru unknown
- 2015-10-28 GE GEAP201514481A patent/GEP20196960B/en unknown
- 2015-10-28 US US15/522,255 patent/US9930465B2/en active Active
- 2015-10-28 MY MYPI2017701447A patent/MY190174A/en unknown
- 2015-10-28 ES ES15787573T patent/ES2732668T3/es active Active
- 2015-10-28 GE GEAP201814481A patent/GEAP201814481A/en unknown
- 2015-10-28 KR KR1020177011883A patent/KR102501969B1/ko active Active
- 2015-10-28 RS RS20190769A patent/RS58874B1/sr unknown
- 2015-10-28 LT LTEP15787573.3T patent/LT3213322T/lt unknown
- 2015-10-28 JP JP2017522828A patent/JP6686015B2/ja active Active
- 2015-10-28 WO PCT/EP2015/075022 patent/WO2016066705A1/en not_active Ceased
- 2015-10-28 UA UAA201704246A patent/UA123388C2/uk unknown
- 2015-10-28 SI SI201530795T patent/SI3213322T1/sl unknown
- 2015-10-30 UY UY0001036378A patent/UY36378A/es active IP Right Grant
-
2017
- 2017-04-12 ZA ZA2017/02647A patent/ZA201702647B/en unknown
- 2017-04-19 IL IL251789A patent/IL251789B/en active IP Right Grant
- 2017-04-20 PH PH12017500723A patent/PH12017500723B1/en unknown
- 2017-04-26 CL CL2017001037A patent/CL2017001037A1/es unknown
- 2017-04-27 GT GT201700088A patent/GT201700088A/es unknown
- 2017-04-27 CO CONC2017/0004283A patent/CO2017004283A2/es unknown
- 2017-04-28 SV SV2017005431A patent/SV2017005431A/es unknown
- 2017-04-30 SA SA517381440A patent/SA517381440B1/ar unknown
- 2017-05-03 EC ECIEPI201723702A patent/ECSP17023702A/es unknown
-
2019
- 2019-06-27 CY CY20191100677T patent/CY1121917T1/el unknown
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2965731C (en) | Parametric mixing of audio signals | |
| EP3165001B1 (en) | Reducing correlation between higher order ambisonic (hoa) background channels | |
| KR102486365B1 (ko) | 오디오 신호들의 파라메트릭 재구성 | |
| EP3204942B1 (en) | Signaling channels for scalable coding of higher order ambisonic audio data | |
| US20150332682A1 (en) | Spatial relation coding for higher order ambisonic coefficients | |
| HK1243547A1 (en) | Parametric mixing of audio signals | |
| CA2924700A1 (en) | Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups | |
| CA2961405A1 (en) | Signaling layers for scalable coding of higher order ambisonic audio data | |
| US9679571B2 (en) | Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal | |
| NZ731194B2 (en) | Parametric mixing of audio signals | |
| HK1232013A1 (en) | Reducing correlation between higher order ambisonic (hoa) background channels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20201026 |
|
| MPN | Maintenance fee for patent paid |
Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 9TH ANNIV.) - STANDARD Year of fee payment: 9 |
|
| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20240924 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT Effective date: 20240924 Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20240924 |
|
| MPN | Maintenance fee for patent paid |
Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 10TH ANNIV.) - STANDARD Year of fee payment: 10 |
|
| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20250924 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20250924 |