CN104981869B - 在位流中用信号表示音频渲染信息 - Google Patents
在位流中用信号表示音频渲染信息 Download PDFInfo
- Publication number
- CN104981869B CN104981869B CN201480007716.2A CN201480007716A CN104981869B CN 104981869 B CN104981869 B CN 104981869B CN 201480007716 A CN201480007716 A CN 201480007716A CN 104981869 B CN104981869 B CN 104981869B
- Authority
- CN
- China
- Prior art keywords
- bit stream
- audio
- matrix
- speaker feeds
- signal value
- 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
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
-
- 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
-
- 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
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/308—Electronic adaptation dependent on speaker or headphone connection
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361762758P | 2013-02-08 | 2013-02-08 | |
| US61/762,758 | 2013-02-08 | ||
| US14/174,769 | 2014-02-06 | ||
| US14/174,769 US10178489B2 (en) | 2013-02-08 | 2014-02-06 | Signaling audio rendering information in a bitstream |
| PCT/US2014/015305 WO2014124261A1 (en) | 2013-02-08 | 2014-02-07 | Signaling audio rendering information in a bitstream |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104981869A CN104981869A (zh) | 2015-10-14 |
| CN104981869B true CN104981869B (zh) | 2019-04-26 |
Family
ID=51297441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480007716.2A Active CN104981869B (zh) | 2013-02-08 | 2014-02-07 | 在位流中用信号表示音频渲染信息 |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US10178489B2 (enExample) |
| EP (2) | EP2954521B1 (enExample) |
| JP (2) | JP2016510435A (enExample) |
| KR (2) | KR20150115873A (enExample) |
| CN (1) | CN104981869B (enExample) |
| AU (1) | AU2014214786B2 (enExample) |
| BR (1) | BR112015019049B1 (enExample) |
| CA (1) | CA2896807C (enExample) |
| IL (1) | IL239748B (enExample) |
| MY (1) | MY186004A (enExample) |
| PH (1) | PH12015501587B1 (enExample) |
| RU (1) | RU2661775C2 (enExample) |
| SG (1) | SG11201505048YA (enExample) |
| UA (1) | UA118342C2 (enExample) |
| WO (1) | WO2014124261A1 (enExample) |
| ZA (1) | ZA201506576B (enExample) |
Families Citing this family (99)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9202509B2 (en) | 2006-09-12 | 2015-12-01 | Sonos, Inc. | Controlling and grouping in a multi-zone media system |
| US8788080B1 (en) | 2006-09-12 | 2014-07-22 | Sonos, Inc. | Multi-channel pairing in a media system |
| US12167216B2 (en) | 2006-09-12 | 2024-12-10 | Sonos, Inc. | Playback device pairing |
| US8483853B1 (en) | 2006-09-12 | 2013-07-09 | Sonos, Inc. | Controlling and manipulating groupings in a multi-zone media system |
| US8923997B2 (en) | 2010-10-13 | 2014-12-30 | Sonos, Inc | Method and apparatus for adjusting a speaker system |
| US11429343B2 (en) | 2011-01-25 | 2022-08-30 | Sonos, Inc. | Stereo playback configuration and control |
| US11265652B2 (en) | 2011-01-25 | 2022-03-01 | Sonos, Inc. | Playback device pairing |
| US8938312B2 (en) | 2011-04-18 | 2015-01-20 | Sonos, Inc. | Smart line-in processing |
| US9042556B2 (en) | 2011-07-19 | 2015-05-26 | Sonos, Inc | Shaping sound responsive to speaker orientation |
| US8811630B2 (en) | 2011-12-21 | 2014-08-19 | Sonos, Inc. | Systems, methods, and apparatus to filter audio |
| US9084058B2 (en) | 2011-12-29 | 2015-07-14 | Sonos, Inc. | Sound field calibration using listener localization |
| US9729115B2 (en) | 2012-04-27 | 2017-08-08 | Sonos, Inc. | Intelligently increasing the sound level of player |
| US9524098B2 (en) | 2012-05-08 | 2016-12-20 | Sonos, Inc. | Methods and systems for subwoofer calibration |
| USD721352S1 (en) | 2012-06-19 | 2015-01-20 | Sonos, Inc. | Playback device |
| US9219460B2 (en) | 2014-03-17 | 2015-12-22 | Sonos, Inc. | Audio settings based on environment |
| US9690271B2 (en) | 2012-06-28 | 2017-06-27 | Sonos, Inc. | Speaker calibration |
| US9706323B2 (en) | 2014-09-09 | 2017-07-11 | Sonos, Inc. | Playback device calibration |
| US9668049B2 (en) | 2012-06-28 | 2017-05-30 | Sonos, Inc. | Playback device calibration user interfaces |
| US9690539B2 (en) | 2012-06-28 | 2017-06-27 | Sonos, Inc. | Speaker calibration user interface |
| US9106192B2 (en) | 2012-06-28 | 2015-08-11 | Sonos, Inc. | System and method for device playback calibration |
| US8930005B2 (en) | 2012-08-07 | 2015-01-06 | Sonos, Inc. | Acoustic signatures in a playback system |
| US8965033B2 (en) | 2012-08-31 | 2015-02-24 | Sonos, Inc. | Acoustic optimization |
| US9008330B2 (en) | 2012-09-28 | 2015-04-14 | Sonos, Inc. | Crossover frequency adjustments for audio speakers |
| US9609452B2 (en) | 2013-02-08 | 2017-03-28 | Qualcomm Incorporated | Obtaining sparseness information for higher order ambisonic audio renderers |
| US9883310B2 (en) * | 2013-02-08 | 2018-01-30 | Qualcomm Incorporated | Obtaining symmetry information for higher order ambisonic audio renderers |
| USD721061S1 (en) | 2013-02-25 | 2015-01-13 | Sonos, Inc. | Playback device |
| WO2014175591A1 (ko) * | 2013-04-27 | 2014-10-30 | 인텔렉추얼디스커버리 주식회사 | 오디오 신호처리 방법 |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| US9769586B2 (en) | 2013-05-29 | 2017-09-19 | Qualcomm Incorporated | Performing order reduction with respect to higher order ambisonic coefficients |
| US9489955B2 (en) | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| US9226073B2 (en) | 2014-02-06 | 2015-12-29 | Sonos, Inc. | Audio output balancing during synchronized playback |
| US9226087B2 (en) | 2014-02-06 | 2015-12-29 | Sonos, Inc. | Audio output balancing during synchronized playback |
| US9264839B2 (en) | 2014-03-17 | 2016-02-16 | Sonos, Inc. | Playback device configuration based on proximity detection |
| US9852737B2 (en) | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics audio signals |
| US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
| US9620137B2 (en) | 2014-05-16 | 2017-04-11 | Qualcomm Incorporated | Determining between scalar and vector quantization in higher order ambisonic coefficients |
| US9367283B2 (en) | 2014-07-22 | 2016-06-14 | Sonos, Inc. | Audio settings |
| USD789991S1 (en) | 2014-08-13 | 2017-06-20 | Sonos, Inc. | Playback device |
| USD883956S1 (en) | 2014-08-13 | 2020-05-12 | Sonos, Inc. | Playback device |
| US10127006B2 (en) | 2014-09-09 | 2018-11-13 | Sonos, Inc. | Facilitating calibration of an audio playback device |
| US9952825B2 (en) | 2014-09-09 | 2018-04-24 | Sonos, Inc. | Audio processing algorithms |
| US9891881B2 (en) | 2014-09-09 | 2018-02-13 | Sonos, Inc. | Audio processing algorithm database |
| US9910634B2 (en) | 2014-09-09 | 2018-03-06 | Sonos, Inc. | Microphone calibration |
| US9747910B2 (en) | 2014-09-26 | 2017-08-29 | Qualcomm Incorporated | Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework |
| US9973851B2 (en) | 2014-12-01 | 2018-05-15 | Sonos, Inc. | Multi-channel playback of audio content |
| WO2016168408A1 (en) * | 2015-04-17 | 2016-10-20 | Dolby Laboratories Licensing Corporation | Audio encoding and rendering with discontinuity compensation |
| WO2016172593A1 (en) | 2015-04-24 | 2016-10-27 | Sonos, Inc. | Playback device calibration user interfaces |
| US10664224B2 (en) | 2015-04-24 | 2020-05-26 | Sonos, Inc. | Speaker calibration user interface |
| USD768602S1 (en) | 2015-04-25 | 2016-10-11 | Sonos, Inc. | Playback device |
| US20170085972A1 (en) | 2015-09-17 | 2017-03-23 | Sonos, Inc. | Media Player and Media Player Design |
| USD920278S1 (en) | 2017-03-13 | 2021-05-25 | Sonos, Inc. | Media playback device with lights |
| USD906278S1 (en) | 2015-04-25 | 2020-12-29 | Sonos, Inc. | Media player device |
| USD886765S1 (en) | 2017-03-13 | 2020-06-09 | Sonos, Inc. | Media playback device |
| US10248376B2 (en) | 2015-06-11 | 2019-04-02 | Sonos, Inc. | Multiple groupings in a playback system |
| US9729118B2 (en) | 2015-07-24 | 2017-08-08 | Sonos, Inc. | Loudness matching |
| US9538305B2 (en) | 2015-07-28 | 2017-01-03 | Sonos, Inc. | Calibration error conditions |
| US9712912B2 (en) | 2015-08-21 | 2017-07-18 | Sonos, Inc. | Manipulation of playback device response using an acoustic filter |
| US9736610B2 (en) | 2015-08-21 | 2017-08-15 | Sonos, Inc. | Manipulation of playback device response using signal processing |
| USD1043613S1 (en) | 2015-09-17 | 2024-09-24 | Sonos, Inc. | Media player |
| US9693165B2 (en) | 2015-09-17 | 2017-06-27 | Sonos, Inc. | Validation of audio calibration using multi-dimensional motion check |
| EP3351015B1 (en) | 2015-09-17 | 2019-04-17 | Sonos, Inc. | Facilitating calibration of an audio playback device |
| US10249312B2 (en) | 2015-10-08 | 2019-04-02 | Qualcomm Incorporated | Quantization of spatial vectors |
| US9961475B2 (en) * | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from object-based audio to HOA |
| US9961467B2 (en) * | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from channel-based audio to HOA |
| US9743207B1 (en) | 2016-01-18 | 2017-08-22 | Sonos, Inc. | Calibration using multiple recording devices |
| US11106423B2 (en) | 2016-01-25 | 2021-08-31 | Sonos, Inc. | Evaluating calibration of a playback device |
| US10003899B2 (en) | 2016-01-25 | 2018-06-19 | Sonos, Inc. | Calibration with particular locations |
| US9886234B2 (en) | 2016-01-28 | 2018-02-06 | Sonos, Inc. | Systems and methods of distributing audio to one or more playback devices |
| US9860662B2 (en) | 2016-04-01 | 2018-01-02 | Sonos, Inc. | Updating playback device configuration information based on calibration data |
| US9864574B2 (en) | 2016-04-01 | 2018-01-09 | Sonos, Inc. | Playback device calibration based on representation spectral characteristics |
| US9763018B1 (en) | 2016-04-12 | 2017-09-12 | Sonos, Inc. | Calibration of audio playback devices |
| US10074012B2 (en) | 2016-06-17 | 2018-09-11 | Dolby Laboratories Licensing Corporation | Sound and video object tracking |
| US9860670B1 (en) | 2016-07-15 | 2018-01-02 | Sonos, Inc. | Spectral correction using spatial calibration |
| US9794710B1 (en) | 2016-07-15 | 2017-10-17 | Sonos, Inc. | Spatial audio correction |
| US10372406B2 (en) | 2016-07-22 | 2019-08-06 | Sonos, Inc. | Calibration interface |
| US10459684B2 (en) | 2016-08-05 | 2019-10-29 | Sonos, Inc. | Calibration of a playback device based on an estimated frequency response |
| US10089063B2 (en) | 2016-08-10 | 2018-10-02 | Qualcomm Incorporated | Multimedia device for processing spatialized audio based on movement |
| US10412473B2 (en) | 2016-09-30 | 2019-09-10 | Sonos, Inc. | Speaker grill with graduated hole sizing over a transition area for a media device |
| USD851057S1 (en) | 2016-09-30 | 2019-06-11 | Sonos, Inc. | Speaker grill with graduated hole sizing over a transition area for a media device |
| USD827671S1 (en) | 2016-09-30 | 2018-09-04 | Sonos, Inc. | Media playback device |
| US10712997B2 (en) | 2016-10-17 | 2020-07-14 | Sonos, Inc. | Room association based on name |
| WO2019023853A1 (zh) * | 2017-07-31 | 2019-02-07 | 华为技术有限公司 | 一种音频处理方法以及音频处理设备 |
| GB2572419A (en) * | 2018-03-29 | 2019-10-02 | Nokia Technologies Oy | Spatial sound rendering |
| EP4513483A1 (en) * | 2018-04-11 | 2025-02-26 | Dolby International AB | Methods, apparatus and systems for 6dof audio rendering and data representations and bitstream structures for 6dof audio rendering |
| US10999693B2 (en) * | 2018-06-25 | 2021-05-04 | Qualcomm Incorporated | Rendering different portions of audio data using different renderers |
| SG11202007628PA (en) | 2018-07-02 | 2020-09-29 | Dolby Laboratories Licensing Corp | Methods and devices for generating or decoding a bitstream comprising immersive audio signals |
| US10299061B1 (en) | 2018-08-28 | 2019-05-21 | Sonos, Inc. | Playback device calibration |
| US11206484B2 (en) | 2018-08-28 | 2021-12-21 | Sonos, Inc. | Passive speaker authentication |
| EP3987825B1 (en) * | 2019-06-20 | 2024-07-24 | Dolby Laboratories Licensing Corporation | Rendering of an m-channel input on s speakers (s<m) |
| US12069464B2 (en) | 2019-07-09 | 2024-08-20 | Dolby Laboratories Licensing Corporation | Presentation independent mastering of audio content |
| US10734965B1 (en) | 2019-08-12 | 2020-08-04 | Sonos, Inc. | Audio calibration of a portable playback device |
| CN110620986B (zh) * | 2019-09-24 | 2020-12-15 | 深圳市东微智能科技股份有限公司 | 音频处理算法的调度方法、装置、音频处理器和存储介质 |
| TWI750565B (zh) * | 2020-01-15 | 2021-12-21 | 原相科技股份有限公司 | 真無線多聲道揚聲裝置及其多音源發聲之方法 |
| US11521623B2 (en) | 2021-01-11 | 2022-12-06 | Bank Of America Corporation | System and method for single-speaker identification in a multi-speaker environment on a low-frequency audio recording |
| EP4409571B1 (en) | 2021-09-30 | 2025-03-26 | Sonos Inc. | Conflict management for wake-word detection processes |
| USD1099081S1 (en) | 2022-02-25 | 2025-10-21 | Sonos, Inc. | Media player device |
| USD1101721S1 (en) | 2022-02-25 | 2025-11-11 | Sonos, Inc. | Media player device |
| CN118471236A (zh) * | 2023-02-07 | 2024-08-09 | 腾讯科技（深圳）有限公司 | 一种音频编解码方法、装置、设备及介质 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101548554A (zh) * | 2006-10-06 | 2009-09-30 | 彼得·G·克拉文 | 麦克风阵列 |
| CN102440002A (zh) * | 2009-04-09 | 2012-05-02 | 挪威科技大学技术转让公司 | 用于传感器阵列的优化模态波束成型器 |
| EP2451196A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Method and apparatus for generating and for decoding sound field data including ambisonics sound field data of an order higher than three |
| EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| WO2013006338A2 (en) * | 2011-07-01 | 2013-01-10 | Dolby Laboratories Licensing Corporation | System and method for adaptive audio signal generation, coding and rendering |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6931370B1 (en) * | 1999-11-02 | 2005-08-16 | Digital Theater Systems, Inc. | System and method for providing interactive audio in a multi-channel audio environment |
| US7996216B2 (en) * | 2005-07-11 | 2011-08-09 | Lg Electronics Inc. | Apparatus and method of encoding and decoding audio signal |
| BRPI0809760B1 (pt) | 2007-04-26 | 2020-12-01 | Dolby International Ab | aparelho e método para sintetizar um sinal de saída |
| ES2733878T3 (es) | 2008-12-15 | 2019-12-03 | Orange | Codificación mejorada de señales de audio digitales multicanales |
| KR101283783B1 (ko) * | 2009-06-23 | 2013-07-08 | 한국전자통신연구원 | 고품질 다채널 오디오 부호화 및 복호화 장치 |
| BR112012007138B1 (pt) | 2009-09-29 | 2021-11-30 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Decodificador de sinal de áudio, codificador de sinal de áudio, método para prover uma representação de mescla ascendente de sinal, método para prover uma representação de mescla descendente de sinal e fluxo de bits usando um valor de parâmetro comum de correlação intra- objetos |
| EP2486561B1 (en) * | 2009-10-07 | 2016-03-30 | The University Of Sydney | Reconstruction of a recorded sound field |
| US9508351B2 (en) | 2009-12-16 | 2016-11-29 | Dobly International AB | SBR bitstream parameter downmix |
| 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 |
| US9754595B2 (en) * | 2011-06-09 | 2017-09-05 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding and decoding 3-dimensional audio signal |
| 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 |
| US9641951B2 (en) * | 2011-08-10 | 2017-05-02 | The Johns Hopkins University | System and method for fast binaural rendering of complex acoustic scenes |
| CN106658342B (zh) * | 2012-07-16 | 2020-02-14 | 杜比国际公司 | 用于渲染音频声场表示以供音频回放的方法和设备 |
| US9761229B2 (en) * | 2012-07-20 | 2017-09-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for audio object clustering |
| CN104937843B (zh) | 2013-01-16 | 2018-05-18 | 杜比国际公司 | 测量高阶高保真度立体声响复制响度级的方法及设备 |
| US9609452B2 (en) | 2013-02-08 | 2017-03-28 | Qualcomm Incorporated | Obtaining sparseness information for higher order ambisonic audio renderers |
| US9883310B2 (en) | 2013-02-08 | 2018-01-30 | Qualcomm Incorporated | Obtaining symmetry information for higher order ambisonic audio renderers |
| US9769586B2 (en) | 2013-05-29 | 2017-09-19 | Qualcomm Incorporated | Performing order reduction with respect to higher order ambisonic coefficients |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
-
2014
- 2014-02-06 US US14/174,769 patent/US10178489B2/en active Active
- 2014-02-07 JP JP2015557122A patent/JP2016510435A/ja active Pending
- 2014-02-07 KR KR1020157023833A patent/KR20150115873A/ko not_active Ceased
- 2014-02-07 CN CN201480007716.2A patent/CN104981869B/zh active Active
- 2014-02-07 WO PCT/US2014/015305 patent/WO2014124261A1/en not_active Ceased
- 2014-02-07 KR KR1020197029148A patent/KR102182761B1/ko not_active Expired - Fee Related
- 2014-02-07 SG SG11201505048YA patent/SG11201505048YA/en unknown
- 2014-02-07 MY MYPI2015702277A patent/MY186004A/en unknown
- 2014-02-07 UA UAA201508659A patent/UA118342C2/uk unknown
- 2014-02-07 EP EP14707032.0A patent/EP2954521B1/en active Active
- 2014-02-07 CA CA2896807A patent/CA2896807C/en active Active
- 2014-02-07 AU AU2014214786A patent/AU2014214786B2/en active Active
- 2014-02-07 EP EP20209067.6A patent/EP3839946B1/en active Active
- 2014-02-07 BR BR112015019049-9A patent/BR112015019049B1/pt active IP Right Grant
- 2014-02-07 RU RU2015138139A patent/RU2661775C2/ru active
-
2015
- 2015-07-01 IL IL239748A patent/IL239748B/en active IP Right Grant
- 2015-07-20 PH PH12015501587A patent/PH12015501587B1/en unknown
- 2015-09-07 ZA ZA2015/06576A patent/ZA201506576B/en unknown
-
2019
- 2019-03-04 JP JP2019038692A patent/JP6676801B2/ja active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101548554A (zh) * | 2006-10-06 | 2009-09-30 | 彼得·G·克拉文 | 麦克风阵列 |
| CN102440002A (zh) * | 2009-04-09 | 2012-05-02 | 挪威科技大学技术转让公司 | 用于传感器阵列的优化模态波束成型器 |
| EP2451196A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Method and apparatus for generating and for decoding sound field data including ambisonics sound field data of an order higher than three |
| EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| WO2013006338A2 (en) * | 2011-07-01 | 2013-01-10 | Dolby Laboratories Licensing Corporation | System and method for adaptive audio signal generation, coding and rendering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104981869A (zh) | 2015-10-14 |
| EP2954521A1 (en) | 2015-12-16 |
| PH12015501587B1 (en) | 2019-10-16 |
| RU2661775C2 (ru) | 2018-07-19 |
| US10178489B2 (en) | 2019-01-08 |
| MY186004A (en) | 2021-06-14 |
| KR20150115873A (ko) | 2015-10-14 |
| IL239748B (en) | 2019-01-31 |
| BR112015019049A2 (pt) | 2017-07-18 |
| CA2896807C (en) | 2021-03-16 |
| WO2014124261A1 (en) | 2014-08-14 |
| KR20190115124A (ko) | 2019-10-10 |
| IL239748A0 (en) | 2015-08-31 |
| CA2896807A1 (en) | 2014-08-14 |
| US20140226823A1 (en) | 2014-08-14 |
| RU2015138139A (ru) | 2017-03-21 |
| EP3839946A1 (en) | 2021-06-23 |
| SG11201505048YA (en) | 2015-08-28 |
| BR112015019049B1 (pt) | 2021-12-28 |
| AU2014214786A1 (en) | 2015-07-23 |
| KR102182761B1 (ko) | 2020-11-25 |
| EP3839946C0 (en) | 2025-09-03 |
| PH12015501587A1 (en) | 2015-10-05 |
| AU2014214786B2 (en) | 2019-10-10 |
| JP2019126070A (ja) | 2019-07-25 |
| JP6676801B2 (ja) | 2020-04-08 |
| EP2954521B1 (en) | 2020-12-02 |
| UA118342C2 (uk) | 2019-01-10 |
| JP2016510435A (ja) | 2016-04-07 |
| ZA201506576B (en) | 2020-02-26 |
| EP3839946B1 (en) | 2025-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104981869B (zh) | 在位流中用信号表示音频渲染信息 | |
| US9736609B2 (en) | Determining renderers for spherical harmonic coefficients | |
| WO2018132677A1 (en) | Audio parallax for virtual reality, augmented reality, and mixed reality | |
| US20150235645A1 (en) | Encoding and Rendering of Object Based Audio Indicative of Game Audio Content | |
| WO2015138856A1 (en) | Low frequency rendering of higher-order ambisonic audio data | |
| US11750998B2 (en) | Controlling rendering of audio data | |
| EP4602843A1 (en) | Scaling audio sources in extended reality systems | |
| KR101818877B1 (ko) | 고차 앰비소닉 오디오 렌더러들에 대한 희소성 정보의 획득 | |
| US20160066116A1 (en) | Using single bitstream to produce tailored audio device mixes | |
| EP4055840A1 (en) | Signalling of audio effect metadata in a bitstream | |
| KR101941764B1 (ko) | 고차 앰비소닉 오디오 렌더러들에 대한 대칭성 정보의 획득 | |
| CN114915874B (zh) | 音频处理方法、装置、设备及介质 | |
| US20250013425A1 (en) | Scaling audio sources in extended reality systems within tolerances | |
| CN116472725A (zh) | 用于增强现实/虚拟现实音频的智能混合渲染 | |
| WO2025014731A1 (en) | Scaling audio sources in extended reality systems within tolerances | |
| US20250301277A1 (en) | Offset for scaling audio sources in extended reality systems within tolerances | |
| US20250330766A1 (en) | Rescaling audio sources in extended reality systems based on movement | |
| WO2025199240A1 (en) | Offset for scaling audio source positions in extended reality systems within tolerances | |
| WO2025222104A1 (en) | Rescaling audio sources in extended reality systems based on movement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |