GEP20196960B - Parametric mixing of audio signals - Google Patents
Parametric mixing of audio signalsInfo
- Publication number
- GEP20196960B GEP20196960B GEAP201514481A GEAP2015014481A GEP20196960B GE P20196960 B GEP20196960 B GE P20196960B GE AP201514481 A GEAP201514481 A GE AP201514481A GE AP2015014481 A GEAP2015014481 A GE AP2015014481A GE P20196960 B GEP20196960 B GE P20196960B
- Authority
- GE
- Georgia
- Prior art keywords
- signal
- mixing
- channels
- section
- groups
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 5
- 238000005192 partition Methods 0.000 abstract 1
Classifications
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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
-
- 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
- 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
-
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462073462P | 2014-10-31 | 2014-10-31 | |
| US201562167711P | 2015-05-28 | 2015-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GEP20196960B true GEP20196960B (en) | 2019-03-25 |
Family
ID=54364338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GEAP201514481A GEP20196960B (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 |
| US10257636B2 (en) | 2015-04-21 | 2019-04-09 | Dolby Laboratories Licensing Corporation | Spatial audio signal manipulation |
| WO2020152154A1 (en) * | 2019-01-21 | 2020-07-30 | 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 |
| JP2022547038A (ja) | 2019-09-03 | 2022-11-10 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 低レイテンシ・低音効果コーデック |
| EP4440151A4 (en) * | 2021-11-26 | 2024-11-27 | Beijing Xiaomi Mobile Software Co., Ltd. | METHOD AND DEVICE FOR STEREO AUDIO SIGNAL PROCESSING, ENCODING DEVICE, DECODING DEVICE AND STORAGE MEDIUM |
| CN117730367A (zh) * | 2023-10-31 | 2024-03-19 | 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 |
| EP1825713B1 (en) | 2004-11-22 | 2012-10-17 | Bang & Olufsen A/S | A method and apparatus for multichannel upmixing and downmixing |
| US20060165247A1 (en) | 2005-01-24 | 2006-07-27 | 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 |
| ATE421845T1 (de) * | 2005-04-15 | 2009-02-15 | Dolby Sweden Ab | Zeitliche hüllkurvenformgebung von entkorrelierten signalen |
| EP3267439A1 (en) * | 2006-02-03 | 2018-01-10 | Electronics and Telecommunications Research Institute | Method and apparatus for control of rendering multiobject or multichannel audio signal using spatial cue |
| US7965848B2 (en) | 2006-03-29 | 2011-06-21 | Dolby International Ab | Reduced number of channels decoding |
| EP2068307B1 (en) | 2006-10-16 | 2011-12-07 | Dolby International AB | Enhanced coding and parameter representation of multichannel downmixed object coding |
| JP5450085B2 (ja) | 2006-12-07 | 2014-03-26 | エルジー エレクトロニクス インコーポレイティド | オーディオ処理方法及び装置 |
| 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 |
| EP2137725B1 (en) * | 2007-04-26 | 2014-01-08 | Dolby International 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 |
| CN102099854B (zh) * | 2008-07-15 | 2012-11-28 | Lg电子株式会社 | 处理音频信号的方法和装置 |
| 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 |
| 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 |
| EP2249334A1 (en) | 2009-05-08 | 2010-11-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio format transcoder |
| BR112012012097B1 (pt) | 2009-11-20 | 2021-01-05 | Fraunhofer - Gesellschaft Zur Foerderung Der Angewandten Ten Forschung E.V. | aparelho para prover uma representação de sinal upmix com base na representação de sinal downmix, aparelho para prover um fluxo de bits que representa um sinal de áudio de multicanais, métodos e fluxo de bits representando um sinal de áudio de multicanais utilizando um parâmetro de combinação linear |
| AU2013284704B2 (en) | 2012-07-02 | 2019-01-31 | Sony Corporation | Decoding device and method, encoding device and method, and program |
| BR112015000247B1 (pt) | 2012-07-09 | 2021-08-03 | Koninklijke Philips N.V. | Decodificador, método de decodificação, codificador, método de codificação, e sistema de codificação e decodificação. |
| EP2956935B1 (en) * | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| ES2660778T3 (es) | 2013-10-21 | 2018-03-26 | Dolby International Ab | Reconstrucción paramétrica de señales de audio |
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2015
- 2015-10-13 TW TW104133508A patent/TWI587286B/zh active
- 2015-10-28 UA UAA201704246A patent/UA123388C2/uk unknown
- 2015-10-28 PT PT15787573T patent/PT3213322T/pt unknown
- 2015-10-28 MY MYPI2017701447A patent/MY190174A/en unknown
- 2015-10-28 LT LTEP15787573.3T patent/LT3213322T/lt unknown
- 2015-10-28 ES ES15787573T patent/ES2732668T3/es active Active
- 2015-10-28 HR HRP20191107TT patent/HRP20191107T1/hr unknown
- 2015-10-28 CA CA2965731A patent/CA2965731C/en active Active
- 2015-10-28 SG SG11201703263PA patent/SG11201703263PA/en unknown
- 2015-10-28 EA EA201790753A patent/EA034250B1/ru unknown
- 2015-10-28 MX MX2017005409A patent/MX364405B/es active IP Right Grant
- 2015-10-28 ME MEP-2019-170A patent/ME03453B/me unknown
- 2015-10-28 TN TN2017000143A patent/TN2017000143A1/en unknown
- 2015-10-28 RS RS20190769A patent/RS58874B1/sr unknown
- 2015-10-28 CN CN201580059156.XA patent/CN107112020B/zh active Active
- 2015-10-28 PL PL15787573T patent/PL3213322T3/pl unknown
- 2015-10-28 AU AU2015340622A patent/AU2015340622B2/en active Active
- 2015-10-28 US US15/522,255 patent/US9930465B2/en active Active
- 2015-10-28 WO PCT/EP2015/075022 patent/WO2016066705A1/en not_active Ceased
- 2015-10-28 SI SI201530795T patent/SI3213322T1/sl unknown
- 2015-10-28 JP JP2017522828A patent/JP6686015B2/ja active Active
- 2015-10-28 PE PE2017000726A patent/PE20170759A1/es unknown
- 2015-10-28 HK HK18102845.3A patent/HK1243547B/en unknown
- 2015-10-28 GE GEAP201514481A patent/GEP20196960B/en unknown
- 2015-10-28 HU HUE15787573 patent/HUE044368T2/hu unknown
- 2015-10-28 DK DK15787573.3T patent/DK3213322T3/da active
- 2015-10-28 EP EP15787573.3A patent/EP3213322B1/en active Active
- 2015-10-28 KR KR1020177011883A patent/KR102501969B1/ko active Active
- 2015-10-30 UY UY0001036378A patent/UY36378A/es active IP Right Grant
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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
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2019
- 2019-06-27 CY CY20191100677T patent/CY1121917T1/el unknown
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