BR112015020892A2 - especificação de harmônicos esféricos e/ou coeficientes ambisonics de ordem superior nos bitstreams - Google Patents
especificação de harmônicos esféricos e/ou coeficientes ambisonics de ordem superior nos bitstreamsInfo
- Publication number
- BR112015020892A2 BR112015020892A2 BR112015020892A BR112015020892A BR112015020892A2 BR 112015020892 A2 BR112015020892 A2 BR 112015020892A2 BR 112015020892 A BR112015020892 A BR 112015020892A BR 112015020892 A BR112015020892 A BR 112015020892A BR 112015020892 A2 BR112015020892 A2 BR 112015020892A2
- Authority
- BR
- Brazil
- Prior art keywords
- bitstreams
- higher order
- bitstream
- order ambisonics
- spherical harmonics
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
1/1 resumo especificação de harmônicos esféricos e/ou coeficientes ambisonics de ordem superior nos bitstreams em geral, técnicas são descritas para especificar coeficientes harmônicos esféricos em um bitstream. um dispositivo compreendendo um ou mais processadores pode realizar as técnicas. os processadores podem ser configurados para identificar, a partir do bitstream, uma pluralidade de elementos hierárquicos que descrevem um campo de som que são incluídos no bitstream. os processadores podem ainda ser configurados para analisar o bitstream para determinar a pluralidade identificada de elementos hierárquicos.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361771677P | 2013-03-01 | 2013-03-01 | |
US201361860201P | 2013-07-30 | 2013-07-30 | |
US14/192,819 US9959875B2 (en) | 2013-03-01 | 2014-02-27 | Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams |
PCT/US2014/019446 WO2014134462A2 (en) | 2013-03-01 | 2014-02-28 | Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112015020892A2 true BR112015020892A2 (pt) | 2017-07-18 |
Family
ID=51420957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112015020892A BR112015020892A2 (pt) | 2013-03-01 | 2014-02-28 | especificação de harmônicos esféricos e/ou coeficientes ambisonics de ordem superior nos bitstreams |
Country Status (10)
Country | Link |
---|---|
US (2) | US9685163B2 (pt) |
EP (2) | EP2962297B1 (pt) |
JP (2) | JP2016513811A (pt) |
KR (2) | KR20150123310A (pt) |
CN (2) | CN105027200B (pt) |
BR (1) | BR112015020892A2 (pt) |
ES (1) | ES2738490T3 (pt) |
HU (1) | HUE045446T2 (pt) |
TW (2) | TWI603631B (pt) |
WO (2) | WO2014134472A2 (pt) |
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US9685163B2 (en) | 2013-03-01 | 2017-06-20 | Qualcomm Incorporated | Transforming spherical harmonic coefficients |
US9412385B2 (en) * | 2013-05-28 | 2016-08-09 | Qualcomm Incorporated | Performing spatial masking with respect to spherical harmonic coefficients |
US9854377B2 (en) | 2013-05-29 | 2017-12-26 | Qualcomm Incorporated | Interpolation for decomposed representations of a sound field |
US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
US9384741B2 (en) * | 2013-05-29 | 2016-07-05 | Qualcomm Incorporated | Binauralization of rotated higher order ambisonics |
WO2014195190A1 (en) * | 2013-06-05 | 2014-12-11 | Thomson Licensing | Method for encoding audio signals, apparatus for encoding audio signals, method for decoding audio signals and apparatus for decoding audio signals |
EP2879408A1 (en) * | 2013-11-28 | 2015-06-03 | Thomson Licensing | Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition |
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 |
US9620137B2 (en) | 2014-05-16 | 2017-04-11 | Qualcomm Incorporated | Determining between scalar and vector quantization in higher order ambisonic coefficients |
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 |
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 |
CN107112024B (zh) * | 2014-10-24 | 2020-07-14 | 杜比国际公司 | 音频信号的编码和解码 |
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CN104795064B (zh) * | 2015-03-30 | 2018-04-13 | 福州大学 | 低信噪比声场景下声音事件的识别方法 |
FR3050601B1 (fr) * | 2016-04-26 | 2018-06-22 | Arkamys | Procede et systeme de diffusion d'un signal audio a 360° |
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RU2740703C1 (ru) | 2017-07-14 | 2021-01-20 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Принцип формирования улучшенного описания звукового поля или модифицированного описания звукового поля с использованием многослойного описания |
WO2019012131A1 (en) | 2017-07-14 | 2019-01-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | CONCEPT FOR GENERATING AN ENHANCED AUDIO FIELD DESCRIPTION OR A MODIFIED AUDIO FIELD DESCRIPTION USING A MULTIPOINT SOUND FIELD DESCRIPTION |
BR112020000779A2 (pt) | 2017-07-14 | 2020-07-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | aparelho para gerar uma descrição de campo sonoro aprimorada, aparelho para gerar uma descrição de campo sonoro modificada a partir de uma descrição de campo sonoro e metadados com relação às informações espaciais da descrição de campo sonoro, método para gerar uma descrição de campo sonoro aprimorada, método para gerar uma descrição de campo sonoro modificada a partir de uma descrição de campo sonoro e metadados com relação às informações espaciais da descrição de campo sonoro, programa de computador e descrição de campo sonoro aprimorada. |
US10075802B1 (en) | 2017-08-08 | 2018-09-11 | Qualcomm Incorporated | Bitrate allocation for higher order ambisonic audio data |
US11281726B2 (en) * | 2017-12-01 | 2022-03-22 | Palantir Technologies Inc. | System and methods for faster processor comparisons of visual graph features |
US10419138B2 (en) | 2017-12-22 | 2019-09-17 | At&T Intellectual Property I, L.P. | Radio-based channel sounding using phased array antennas |
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KR20200141981A (ko) | 2018-04-16 | 2020-12-21 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 방향성 사운드 소스의 인코딩 및 디코딩을 위한 방법, 장치 및 시스템 |
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-
2014
- 2014-02-27 US US14/192,829 patent/US9685163B2/en active Active
- 2014-02-27 US US14/192,819 patent/US9959875B2/en active Active
- 2014-02-28 EP EP14711375.7A patent/EP2962297B1/en active Active
- 2014-02-28 HU HUE14713289A patent/HUE045446T2/hu unknown
- 2014-02-28 WO PCT/US2014/019468 patent/WO2014134472A2/en active Application Filing
- 2014-02-28 BR BR112015020892A patent/BR112015020892A2/pt not_active IP Right Cessation
- 2014-02-28 CN CN201480011287.6A patent/CN105027200B/zh active Active
- 2014-02-28 KR KR1020157026859A patent/KR20150123310A/ko not_active Application Discontinuation
- 2014-02-28 WO PCT/US2014/019446 patent/WO2014134462A2/en active Application Filing
- 2014-02-28 JP JP2015560355A patent/JP2016513811A/ja active Pending
- 2014-02-28 EP EP14713289.8A patent/EP2962298B1/en active Active
- 2014-02-28 KR KR1020157026860A patent/KR101854964B1/ko active IP Right Grant
- 2014-02-28 ES ES14713289T patent/ES2738490T3/es active Active
- 2014-02-28 CN CN201480011198.1A patent/CN105027199B/zh active Active
- 2014-02-28 JP JP2015560352A patent/JP2016510905A/ja not_active Ceased
- 2014-03-03 TW TW103107128A patent/TWI603631B/zh not_active IP Right Cessation
- 2014-03-03 TW TW103107142A patent/TWI583210B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP2962297A2 (en) | 2016-01-06 |
US20140249827A1 (en) | 2014-09-04 |
CN105027199A (zh) | 2015-11-04 |
WO2014134472A3 (en) | 2015-03-19 |
TWI583210B (zh) | 2017-05-11 |
JP2016513811A (ja) | 2016-05-16 |
KR20150123310A (ko) | 2015-11-03 |
US9959875B2 (en) | 2018-05-01 |
US20140247946A1 (en) | 2014-09-04 |
EP2962298B1 (en) | 2019-04-24 |
KR20150123311A (ko) | 2015-11-03 |
WO2014134472A2 (en) | 2014-09-04 |
ES2738490T3 (es) | 2020-01-23 |
CN105027200B (zh) | 2019-04-09 |
TWI603631B (zh) | 2017-10-21 |
TW201503712A (zh) | 2015-01-16 |
KR101854964B1 (ko) | 2018-05-04 |
EP2962297B1 (en) | 2019-06-05 |
WO2014134462A3 (en) | 2014-11-13 |
EP2962298A2 (en) | 2016-01-06 |
US9685163B2 (en) | 2017-06-20 |
CN105027199B (zh) | 2018-05-29 |
HUE045446T2 (hu) | 2019-12-30 |
WO2014134462A2 (en) | 2014-09-04 |
CN105027200A (zh) | 2015-11-04 |
JP2016510905A (ja) | 2016-04-11 |
TW201446016A (zh) | 2014-12-01 |
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B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
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Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2555 DE 24/12/2019. |