JP2016520864A5 - - Google Patents

Download PDF

Info

Publication number
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
Authority
JP
Japan
Prior art keywords
hoa
hoa coefficient
frame
residual
coefficient sequence
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.)
Granted
Application number
JP2016509473A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016520864A (ja
JP6395811B2 (ja
Filing date
Publication date
Priority claimed from EP13305558.2A external-priority patent/EP2800401A1/en
Application filed filed Critical
Publication of JP2016520864A publication Critical patent/JP2016520864A/ja
Publication of JP2016520864A5 publication Critical patent/JP2016520864A5/ja
Application granted granted Critical
Publication of JP6395811B2 publication Critical patent/JP6395811B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
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)

Publication Number Publication Date
JP2016520864A JP2016520864A (ja) 2016-07-14
JP2016520864A5 true JP2016520864A5 (enExample) 2017-04-06
JP6395811B2 JP6395811B2 (ja) 2018-09-26

Family

ID=48607176

Family Applications (8)

Application Number Title Priority Date Filing Date
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

Family Applications After (7)

Application Number Title Priority Date Filing Date
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 (enExample)
EP (6) EP2800401A1 (enExample)
JP (8) JP6395811B2 (enExample)
KR (6) KR102882646B1 (enExample)
CN (5) CN107180639B (enExample)
CA (8) CA3168901C (enExample)
MX (6) MX347283B (enExample)
MY (2) MY176454A (enExample)
RU (1) RU2668060C2 (enExample)
WO (1) WO2014177455A1 (enExample)

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
US9769586B2 (en) 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
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
US9990934B2 (en) * 2014-01-08 2018-06-05 Dolby Laboratories Licensing Corporation 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
KR102143037B1 (ko) 2014-03-21 2020-08-11 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
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
KR102144976B1 (ko) 2014-03-21 2020-08-14 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
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
EP4730327A2 (en) 2014-06-27 2026-04-22 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
CN113793618B (zh) 2014-06-27 2025-03-21 杜比国际公司 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法
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
CN119743722A (zh) 2014-06-27 2025-04-01 杜比国际公司 声音或声场的压缩hoa声音表示的解码方法和装置
US10403292B2 (en) 2014-07-02 2019-09-03 Dolby Laboratories Licensing Corporation Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation
WO2016001354A1 (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
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
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
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
WO2017017262A1 (en) 2015-07-30 2017-02-02 Dolby International Ab 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
EP3345409B1 (en) * 2015-08-31 2021-11-17 Dolby International AB Method for frame-wise combined decoding and rendering of a compressed hoa signal and apparatus for frame-wise combined decoding and rendering of a compressed hoa signal
IL301645B2 (en) * 2015-10-08 2025-03-01 Dolby Int Ab Layered coding for voice or compressed sound field representations
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
BR112018007276A2 (pt) 2016-03-15 2018-10-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. aparelho, método ou programa de computador para gerar uma descrição de campo de som
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
EP3818730A4 (en) * 2018-07-03 2022-08-31 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
CA2443837C (en) * 2001-04-13 2012-06-19 Dolby Laboratories Licensing Corporation High quality time-scaling and pitch-scaling of audio signals
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
EP1489599B1 (en) * 2002-04-26 2016-05-11 Panasonic Intellectual Property Corporation of America Coding device and decoding device
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
WO2007104882A1 (fr) * 2006-03-15 2007-09-20 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
CN102396024A (zh) * 2009-02-16 2012-03-28 韩国电子通信研究院 使用自适应正弦波脉冲编码的用于音频信号的编码/解码方法及其设备
AU2011231565B2 (en) * 2010-03-26 2014-08-28 Dolby International Ab Method and device for decoding an audio soundfield representation for audio playback
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

Similar Documents

Publication Publication Date Title
JP7717911B2 (ja) 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
JP7078592B2 (ja) オーディオエンコーダ、オーディオデコーダ、オーディオ信号を符号化する方法、および符号化されたオーディオ信号を復号化する方法
JP2020034920A (ja) マルチチャンネル信号を符号化又は復号化するための装置と方法
JP2015164322A5 (enExample)
JP2012161074A5 (enExample)
JP2016103804A5 (enExample)
CN110249384B (zh) 具有索引编码和位安排的量化器
JP2014131172A5 (enExample)
CN105659320B (zh) 音频编码器和解码器
JP7834828B2 (ja) 音場の高次アンビソニックス表現を符号化するために必要とされるサイド情報の符号化を改善する方法および装置
JP2020202473A5 (ja) 画像復号装置及び方法及びプログラム
JP6289627B2 (ja) 信号の符号化および復号化の方法および装置
TWI540570B (zh) 用以處理編碼信號之裝置及方法和用以產生編碼信號之編碼器及方法
JP2017508174A5 (enExample)
JP5667269B2 (ja) 画像符号化装置、画像復号装置、画像符号化・復号装置、画像符号化・復号方法及び画像符号化・復号プログラム
JP2026083325A (ja) 音場の高次アンビソニックス表現を符号化するために必要とされるサイド情報の符号化を改善する方法および装置
HK40018256A (en) Method and apparatus for decoding a bitstream including encoded hoa representations, and medium
JP2014222936A (ja) 画像復号装置、画像復号方法、画像符号化復号方法及び画像復号プログラム
HK40007768A (zh) 具有索引编码和位安排的量化器
JP2019537328A5 (enExample)
HK1227165A1 (en) Method and apparatus for improving the coding of side information required for coding a higher order ambisonics representation of a sound filed