JP2016520864A5 - - Google Patents

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JP2016520864A5
JP2016520864A5 JP2016509473A JP2016509473A JP2016520864A5 JP 2016520864 A5 JP2016520864 A5 JP 2016520864A5 JP 2016509473 A JP2016509473 A JP 2016509473A JP 2016509473 A JP2016509473 A JP 2016509473A JP 2016520864 A5 JP2016520864 A5 JP 2016520864A5
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Japan
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hoa
hoa coefficient
frame
residual
coefficient sequence
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JP2016509473A
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Japanese (ja)
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JP2016520864A (ja
JP6395811B2 (ja
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Priority claimed from EP13305558.2A external-priority patent/EP2800401A1/en
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JP2016509473A 2013-04-29 2014-04-24 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置 Active JP6395811B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13305558.2 2013-04-29
EP13305558.2A EP2800401A1 (en) 2013-04-29 2013-04-29 Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
PCT/EP2014/058380 WO2014177455A1 (en) 2013-04-29 2014-04-24 Method and apparatus for compressing and decompressing a higher order ambisonics representation

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JP2018158976A Division JP6606241B2 (ja) 2013-04-29 2018-08-28 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置

Publications (3)

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JP2016520864A JP2016520864A (ja) 2016-07-14
JP2016520864A5 true JP2016520864A5 (https=) 2017-04-06
JP6395811B2 JP6395811B2 (ja) 2018-09-26

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JP2016509473A Active JP6395811B2 (ja) 2013-04-29 2014-04-24 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2018158976A Active JP6606241B2 (ja) 2013-04-29 2018-08-28 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2019190235A Active JP6818838B2 (ja) 2013-04-29 2019-10-17 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2020218142A Active JP7023342B2 (ja) 2013-04-29 2020-12-28 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2022017626A Active JP7270788B2 (ja) 2013-04-29 2022-02-08 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2023071244A Active JP7511707B2 (ja) 2013-04-29 2023-04-25 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2024101601A Active JP7717911B2 (ja) 2013-04-29 2024-06-25 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2025123005A Pending JP2025157488A (ja) 2013-04-29 2025-07-23 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置

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JP2018158976A Active JP6606241B2 (ja) 2013-04-29 2018-08-28 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2019190235A Active JP6818838B2 (ja) 2013-04-29 2019-10-17 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2020218142A Active JP7023342B2 (ja) 2013-04-29 2020-12-28 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2022017626A Active JP7270788B2 (ja) 2013-04-29 2022-02-08 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2023071244A Active JP7511707B2 (ja) 2013-04-29 2023-04-25 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2024101601A Active JP7717911B2 (ja) 2013-04-29 2024-06-25 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置
JP2025123005A Pending JP2025157488A (ja) 2013-04-29 2025-07-23 高次アンビソニックス表現を圧縮および圧縮解除する方法および装置

Country Status (10)

Country Link
US (10) US9736607B2 (https=)
EP (6) EP2800401A1 (https=)
JP (8) JP6395811B2 (https=)
KR (6) KR20250161668A (https=)
CN (5) CN107146627B (https=)
CA (8) CA2907595C (https=)
MX (6) MX384230B (https=)
MY (2) MY176454A (https=)
RU (1) RU2668060C2 (https=)
WO (1) WO2014177455A1 (https=)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
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
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
US9412385B2 (en) * 2013-05-28 2016-08-09 Qualcomm Incorporated Performing spatial masking with respect to spherical harmonic coefficients
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US20140355769A1 (en) 2013-05-29 2014-12-04 Qualcomm Incorporated Energy preservation for decomposed representations of a sound field
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
WO2015104166A1 (en) 2014-01-08 2015-07-16 Thomson Licensing Method and apparatus for improving the coding of side information required for coding a higher order ambisonics representation of a sound field
US9922656B2 (en) * 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9502045B2 (en) 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
EP2922057A1 (en) 2014-03-21 2015-09-23 Thomson Licensing Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal
EP4539046A1 (en) 2014-03-21 2025-04-16 Dolby International AB Method for compressing a higher order ambisonics (hoa) signal, method for decompressing a compressed hoa signal, apparatus for compressing a hoa signal, and apparatus for decompressing a compressed hoa signal
KR102766957B1 (ko) 2014-03-21 2025-02-14 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
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
KR102655047B1 (ko) 2014-06-27 2024-04-08 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 방법
EP4354432B1 (en) 2014-06-27 2026-03-11 Dolby International AB 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
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
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
JP2017523452A (ja) 2014-07-02 2017-08-17 ドルビー・インターナショナル・アーベー Hoa信号表現のサブバンド内の優勢な方向性信号の方向のエンコード/デコードのための方法および装置
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
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
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
US9736606B2 (en) * 2014-08-01 2017-08-15 Qualcomm Incorporated Editing of higher-order ambisonic audio data
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
EP3007167A1 (en) 2014-10-10 2016-04-13 Thomson Licensing Method and apparatus for low bit rate compression of a Higher Order Ambisonics HOA signal representation of a sound field
US10468037B2 (en) 2015-07-30 2019-11-05 Dolby Laboratories Licensing Corporation 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
CN107925837B (zh) * 2015-08-31 2020-09-22 杜比国际公司 对压缩hoa信号逐帧组合解码和渲染的方法以及对压缩hoa信号逐帧组合解码和渲染的装置
EP3360135B1 (en) * 2015-10-08 2020-03-11 Dolby International AB Layered coding for compressed sound or sound field representations
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
MX375859B (es) 2016-03-15 2025-03-07 Fraunhofer Ges Forschung Aparato, metodo o programa de computadora para generar una descripcion de campo de sonido
US10332530B2 (en) 2017-01-27 2019-06-25 Google Llc Coding of a soundfield representation
WO2018203471A1 (ja) * 2017-05-01 2018-11-08 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置及び符号化方法
US10405126B2 (en) * 2017-06-30 2019-09-03 Qualcomm Incorporated Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems
WO2020008112A1 (en) * 2018-07-03 2020-01-09 Nokia Technologies Oy Energy-ratio signalling and synthesis
CN110113119A (zh) * 2019-04-26 2019-08-09 国家无线电监测中心 一种基于人工智能算法的无线信道建模方法
CN114582357B (zh) * 2020-11-30 2025-09-12 华为技术有限公司 一种音频编解码方法和装置
US11743670B2 (en) 2020-12-18 2023-08-29 Qualcomm Incorporated Correlation-based rendering with multiple distributed streams accounting for an occlusion for six degree of freedom applications
CN115938388A (zh) * 2021-05-31 2023-04-07 华为技术有限公司 一种三维音频信号的处理方法和装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5757927A (en) * 1992-03-02 1998-05-26 Trifield Productions Ltd. Surround sound apparatus
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP3700254B2 (ja) * 1996-05-31 2005-09-28 日本ビクター株式会社 映像音声再生装置
AUPP272598A0 (en) * 1998-03-31 1998-04-23 Lake Dsp Pty Limited Wavelet conversion of 3-d audio signals
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
JP4152192B2 (ja) * 2001-04-13 2008-09-17 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション オーディオ信号の高品質タイムスケーリング及びピッチスケーリング
AUPR647501A0 (en) * 2001-07-19 2001-08-09 Vast Audio Pty Ltd Recording a three dimensional auditory scene and reproducing it for the individual listener
US7752052B2 (en) * 2002-04-26 2010-07-06 Panasonic Corporation Scalable coder and decoder performing amplitude flattening for error spectrum estimation
US7081883B2 (en) * 2002-05-14 2006-07-25 Michael Changcheng Chen Low-profile multi-channel input device
CN1677490A (zh) * 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
EP2005420B1 (fr) * 2006-03-15 2011-10-26 France Telecom Dispositif et procede de codage par analyse en composante principale d'un signal audio multi-canal
EP1841284A1 (en) * 2006-03-29 2007-10-03 Phonak AG Hearing instrument for storing encoded audio data, method of operating and manufacturing thereof
EP2094032A1 (en) * 2008-02-19 2009-08-26 Deutsche Thomson OHG Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same
EP2205007B1 (en) 2008-12-30 2019-01-09 Dolby International AB Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
EP2645367B1 (en) * 2009-02-16 2019-11-20 Electronics and Telecommunications Research Institute Encoding/decoding method for audio signals using adaptive sinusoidal coding and apparatus thereof
KR102294460B1 (ko) * 2010-03-26 2021-08-27 돌비 인터네셔널 에이비 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치
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
EP2665208A1 (en) 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
CN102903366A (zh) * 2012-09-18 2013-01-30 重庆大学 一种基于g729语音压缩编码算法的dsp优化方法
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
EP2765791A1 (en) 2013-02-08 2014-08-13 Thomson Licensing Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field

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