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
- Authority
- JP
- Japan
- Prior art keywords
- subband
- hoa
- truncated
- side information
- 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
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- 238000000034 method Methods 0.000 claims 15
- 108091006146 Channels Proteins 0.000 claims 14
- 239000011159 matrix material Substances 0.000 claims 11
- 230000015572 biosynthetic process Effects 0.000 claims 8
- 238000003786 synthesis reaction Methods 0.000 claims 8
- 238000000605 extraction Methods 0.000 claims 6
- 230000002123 temporal effect Effects 0.000 claims 4
- 238000000354 decomposition reaction Methods 0.000 claims 3
- 230000002194 synthesizing effect Effects 0.000 claims 2
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 |
Family
ID=53510865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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)
| 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)
| 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 |
-
2015
- 2015-07-02 WO PCT/EP2015/065089 patent/WO2016001357A1/en not_active Ceased
- 2015-07-02 JP JP2016573946A patent/JP6585095B2/ja active Active
- 2015-07-02 KR KR1020167035547A patent/KR102433192B1/ko active Active
- 2015-07-02 CN CN201580033039.6A patent/CN106463132B/zh active Active
- 2015-07-02 US US15/320,467 patent/US9794714B2/en active Active
- 2015-07-02 EP EP15734130.6A patent/EP3164868A1/en not_active Withdrawn
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