JP2017523453A5 - - Google Patents

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JP2017523453A5
JP2017523453A5 JP2016573946A JP2016573946A JP2017523453A5 JP 2017523453 A5 JP2017523453 A5 JP 2017523453A5 JP 2016573946 A JP2016573946 A JP 2016573946A JP 2016573946 A JP2016573946 A JP 2016573946A JP 2017523453 A5 JP2017523453 A5 JP 2017523453A5
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JP
Japan
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subband
hoa
truncated
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sequence
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JP2016573946A
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JP2017523453A (ja
JP6585095B2 (ja
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Priority claimed from PCT/EP2015/065089 external-priority patent/WO2016001357A1/en
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JP2016573946A 2014-07-02 2015-07-02 圧縮hoa表現をデコードする方法および装置ならびに圧縮hoa表現をエンコードする方法および装置 Active JP6585095B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP14306081.2 2014-07-02
EP14306081 2014-07-02
EP14194187 2014-11-20
EP14194187.2 2014-11-20
PCT/EP2015/065089 WO2016001357A1 (en) 2014-07-02 2015-07-02 Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa representation

Publications (3)

Publication Number Publication Date
JP2017523453A JP2017523453A (ja) 2017-08-17
JP2017523453A5 true JP2017523453A5 (enExample) 2018-08-09
JP6585095B2 JP6585095B2 (ja) 2019-10-02

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JP2016573946A Active JP6585095B2 (ja) 2014-07-02 2015-07-02 圧縮hoa表現をデコードする方法および装置ならびに圧縮hoa表現をエンコードする方法および装置

Country Status (6)

Country Link
US (1) US9794714B2 (enExample)
EP (1) EP3164868A1 (enExample)
JP (1) JP6585095B2 (enExample)
KR (1) KR102433192B1 (enExample)
CN (1) CN106463132B (enExample)
WO (1) WO2016001357A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106463131B (zh) * 2014-07-02 2020-12-08 杜比国际公司 用于对hoa信号表示的子带内的主导方向信号的方向进行编码/解码的方法和装置
EP3164867A1 (en) * 2014-07-02 2017-05-10 Dolby International AB Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation
JP7224302B2 (ja) 2017-05-09 2023-02-17 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 マルチチャネル空間的オーディオ・フォーマット入力信号の処理
EP3948859B1 (en) 2019-04-12 2024-10-16 Huawei Technologies Co., Ltd. Device and method for obtaining a first order ambisonic signal
AU2021286636A1 (en) 2020-06-11 2023-01-19 Dolby Laboratories Licensing Corporation Encoding of multi-channel audio signals comprising downmixing of a primary and two or more scaled non-primary input channels
CN115376529B (zh) * 2021-05-17 2024-10-11 华为技术有限公司 三维音频信号编码方法、装置和编码器
WO2023147864A1 (en) * 2022-02-03 2023-08-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method to transform an audio stream

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5075880A (en) * 1988-11-08 1991-12-24 Wadia Digital Corporation Method and apparatus for time domain interpolation of digital audio signals
US6125147A (en) * 1998-05-07 2000-09-26 Motorola, Inc. Method and apparatus for reducing breathing artifacts in compressed video
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
JP4849466B2 (ja) * 2003-10-10 2012-01-11 エージェンシー フォー サイエンス, テクノロジー アンド リサーチ デジタル信号をスケーラブルビットストリームにエンコードする方法、及びスケーラブルビットストリームをデコードする方法
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
CN101000768B (zh) * 2006-06-21 2010-12-08 北京工业大学 嵌入式语音编解码的方法及编解码器
CN101202043B (zh) * 2007-12-28 2011-06-15 清华大学 音频信号的编码方法和装置与解码方法和装置
US8908874B2 (en) * 2010-09-08 2014-12-09 Dts, Inc. Spatial audio encoding and reproduction
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
EP2637427A1 (en) * 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US9288603B2 (en) * 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
EP2738962A1 (en) * 2012-11-29 2014-06-04 Thomson Licensing Method and apparatus for determining dominant sound source directions in a higher order ambisonics representation of a sound field
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
EP2800401A1 (en) 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
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
WO2015140292A1 (en) * 2014-03-21 2015-09-24 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
EP3164867A1 (en) * 2014-07-02 2017-05-10 Dolby International AB Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation

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