JP2015537256A5 - - Google Patents
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- JP2015537256A5 JP2015537256A5 JP2015546945A JP2015546945A JP2015537256A5 JP 2015537256 A5 JP2015537256 A5 JP 2015537256A5 JP 2015546945 A JP2015546945 A JP 2015546945A JP 2015546945 A JP2015546945 A JP 2015546945A JP 2015537256 A5 JP2015537256 A5 JP 2015537256A5
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- hoa
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- directional signal
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- 238000000034 method Methods 0.000 claims description 27
- 230000005428 wave function Effects 0.000 claims description 9
- 238000009499 grossing Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 7
- 230000002123 temporal effect Effects 0.000 claims description 7
- 230000003111 delayed effect Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims 16
- 230000000875 corresponding effect Effects 0.000 claims 13
- 230000015572 biosynthetic process Effects 0.000 claims 4
- 230000006837 decompression Effects 0.000 claims 3
- 241000287463 Phalacrocorax Species 0.000 claims 2
- 230000003796 beauty Effects 0.000 claims 2
- 239000003638 chemical reducing agent Substances 0.000 claims 2
- 230000008447 perception Effects 0.000 claims 2
- 230000002596 correlated effect Effects 0.000 claims 1
- 235000021419 vinegar Nutrition 0.000 claims 1
- 239000000052 vinegar Substances 0.000 claims 1
- 230000005236 sound signal Effects 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12306569.0 | 2012-12-12 | ||
| EP12306569.0A EP2743922A1 (en) | 2012-12-12 | 2012-12-12 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| PCT/EP2013/075559 WO2014090660A1 (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018016193A Division JP6640890B2 (ja) | 2012-12-12 | 2018-02-01 | 音場のための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 |
|---|---|
| JP2015537256A JP2015537256A (ja) | 2015-12-24 |
| JP2015537256A5 true JP2015537256A5 (cg-RX-API-DMAC7.html) | 2017-01-12 |
| JP6285458B2 JP6285458B2 (ja) | 2018-02-28 |
Family
ID=47715805
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015546945A Active JP6285458B2 (ja) | 2012-12-12 | 2013-12-04 | 音場のための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 |
| JP2018016193A Active JP6640890B2 (ja) | 2012-12-12 | 2018-02-01 | 音場のための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 |
| JP2019235978A Active JP6869322B2 (ja) | 2012-12-12 | 2019-12-26 | 音場のための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 |
| JP2021067565A Active JP7100172B2 (ja) | 2012-12-12 | 2021-04-13 | 音場のための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 |
| JP2022105790A Active JP7353427B2 (ja) | 2012-12-12 | 2022-06-30 | 音場のための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 |
| JP2023151430A Active JP7661431B2 (ja) | 2012-12-12 | 2023-09-19 | 音場のための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 |
| JP2025060899A Pending JP2025108471A (ja) | 2012-12-12 | 2025-04-02 | 音場のための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 (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018016193A Active JP6640890B2 (ja) | 2012-12-12 | 2018-02-01 | 音場のための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 |
| JP2019235978A Active JP6869322B2 (ja) | 2012-12-12 | 2019-12-26 | 音場のための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 |
| JP2021067565A Active JP7100172B2 (ja) | 2012-12-12 | 2021-04-13 | 音場のための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 |
| JP2022105790A Active JP7353427B2 (ja) | 2012-12-12 | 2022-06-30 | 音場のための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 |
| JP2023151430A Active JP7661431B2 (ja) | 2012-12-12 | 2023-09-19 | 音場のための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 |
| JP2025060899A Pending JP2025108471A (ja) | 2012-12-12 | 2025-04-02 | 音場のための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 (11)
| Country | Link |
|---|---|
| US (7) | US9646618B2 (cg-RX-API-DMAC7.html) |
| EP (5) | EP2743922A1 (cg-RX-API-DMAC7.html) |
| JP (7) | JP6285458B2 (cg-RX-API-DMAC7.html) |
| KR (5) | KR20240068780A (cg-RX-API-DMAC7.html) |
| CN (9) | CN109410965B (cg-RX-API-DMAC7.html) |
| CA (6) | CA3125248C (cg-RX-API-DMAC7.html) |
| MX (7) | MX395017B (cg-RX-API-DMAC7.html) |
| MY (2) | MY169354A (cg-RX-API-DMAC7.html) |
| RU (2) | RU2623886C2 (cg-RX-API-DMAC7.html) |
| TW (6) | TWI681386B (cg-RX-API-DMAC7.html) |
| WO (1) | WO2014090660A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2665208A1 (en) * | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| 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 |
| US9685163B2 (en) | 2013-03-01 | 2017-06-20 | Qualcomm Incorporated | Transforming spherical harmonic coefficients |
| EP2800401A1 (en) | 2013-04-29 | 2014-11-05 | Thomson Licensing | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| US11146903B2 (en) | 2013-05-29 | 2021-10-12 | Qualcomm Incorporated | Compression of 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 |
| US9489955B2 (en) | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
| 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 |
| KR102201726B1 (ko) | 2014-03-21 | 2021-01-12 | 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 |
| JP6243060B2 (ja) | 2014-03-21 | 2017-12-06 | ドルビー・インターナショナル・アーベー | 高次アンビソニックス（ｈｏａ）信号を圧縮する方法、圧縮されたｈｏａ信号を圧縮解除する方法、ｈｏａ信号を圧縮する装置および圧縮されたｈｏａ信号を圧縮解除する装置 |
| 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 |
| US9620137B2 (en) | 2014-05-16 | 2017-04-11 | Qualcomm Incorporated | Determining between scalar and vector quantization in higher order ambisonic coefficients |
| 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 |
| KR102606212B1 (ko) * | 2014-06-27 | 2023-11-29 | 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 |
| EP3162086B1 (en) * | 2014-06-27 | 2021-04-07 | 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 |
| EP3489953B8 (en) | 2014-06-27 | 2022-06-15 | Dolby International AB | Determining a lowest integer number of bits required for representing non-differential gain values for the compression of an hoa data frame representation |
| US9838819B2 (en) * | 2014-07-02 | 2017-12-05 | Qualcomm Incorporated | Reducing correlation between higher order ambisonic (HOA) background channels |
| 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 |
| WO2016001357A1 (en) * | 2014-07-02 | 2016-01-07 | Thomson Licensing | 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 |
| JP2017523454A (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 |
| US9847088B2 (en) * | 2014-08-29 | 2017-12-19 | Qualcomm Incorporated | Intermediate compression for 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 |
| US10140996B2 (en) | 2014-10-10 | 2018-11-27 | Qualcomm Incorporated | Signaling layers for scalable coding of higher order ambisonic audio data |
| 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 |
| 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 |
| US9961475B2 (en) | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from object-based audio to HOA |
| US10249312B2 (en) * | 2015-10-08 | 2019-04-02 | Qualcomm Incorporated | Quantization of spatial vectors |
| US9961467B2 (en) | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from channel-based audio to HOA |
| US10362431B2 (en) * | 2015-11-17 | 2019-07-23 | Dolby Laboratories Licensing Corporation | Headtracking for parametric binaural output system and method |
| US9881628B2 (en) * | 2016-01-05 | 2018-01-30 | Qualcomm Incorporated | Mixed domain coding of audio |
| EP3398356B1 (en) * | 2016-01-27 | 2020-04-01 | Huawei Technologies Co., Ltd. | An apparatus, a method, and a computer program for processing soundfield data |
| JP6674021B2 (ja) * | 2016-03-15 | 2020-04-01 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 音場記述を生成する装置、方法、及びコンピュータプログラム |
| CN107945810B (zh) * | 2016-10-13 | 2021-12-14 | 杭州米谟科技有限公司 | 用于编码和解码hoa或多声道数据的方法和装置 |
| US10332530B2 (en) * | 2017-01-27 | 2019-06-25 | Google Llc | Coding of a soundfield representation |
| US10777209B1 (en) | 2017-05-01 | 2020-09-15 | Panasonic Intellectual Property Corporation Of America | Coding apparatus and coding method |
| US10657974B2 (en) * | 2017-12-21 | 2020-05-19 | Qualcomm Incorporated | Priority information for higher order ambisonic audio data |
| US10264386B1 (en) * | 2018-02-09 | 2019-04-16 | Google Llc | Directional emphasis in ambisonics |
| JP2019213109A (ja) * | 2018-06-07 | 2019-12-12 | 日本電信電話株式会社 | 音場信号推定装置、音場信号推定方法、プログラム |
| CN111193990B (zh) * | 2020-01-06 | 2021-01-19 | 北京大学 | 一种抗高频空间混叠的3d音频系统及实现方法 |
| GB2598932A (en) * | 2020-09-18 | 2022-03-23 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| 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 |
| 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 |
| CN114928788B (zh) * | 2022-04-10 | 2025-02-21 | 西北工业大学 | 一种基于稀疏平面波分解的声场重放空间解码方法 |
| TWI865895B (zh) * | 2022-07-19 | 2024-12-11 | 盛微先進科技股份有限公司 | 用於無線通訊之音頻壓縮系統及音頻壓縮方法 |
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| EP0575675B1 (en) * | 1992-06-26 | 1998-11-25 | Discovision Associates | Method and apparatus for transformation of signals from a frequency to a time domaine |
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| ATE421845T1 (de) * | 2005-04-15 | 2009-02-15 | Dolby Sweden Ab | Zeitliche hüllkurvenformgebung von entkorrelierten signalen |
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| FR2916078A1 (fr) * | 2007-05-10 | 2008-11-14 | France Telecom | Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes |
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| US20100296579A1 (en) * | 2009-05-22 | 2010-11-25 | Qualcomm Incorporated | Adaptive picture type decision for video coding |
| EP2268064A1 (en) * | 2009-06-25 | 2010-12-29 | Berges Allmenndigitale Rädgivningstjeneste | Device and method for converting spatial audio signal |
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| EP2486561B1 (en) * | 2009-10-07 | 2016-03-30 | The University Of Sydney | Reconstruction of a recorded sound field |
| KR101717787B1 (ko) * | 2010-04-29 | 2017-03-17 | 엘지전자 주식회사 | 디스플레이장치 및 그의 음성신호 출력 방법 |
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| EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| EP2451196A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Method and apparatus for generating and for decoding sound field data including ambisonics sound field data of an order higher than three |
| 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 |
| US9288603B2 (en) * | 2012-07-15 | 2016-03-15 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
| US9190065B2 (en) * | 2012-07-15 | 2015-11-17 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients |
| EP2688066A1 (en) | 2012-07-16 | 2014-01-22 | Thomson Licensing | Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction |
| TWI590234B (zh) * | 2012-07-19 | 2017-07-01 | 杜比國際公司 | 編碼聲訊資料之方法和裝置，以及解碼已編碼聲訊資料之方法和裝置 |
| 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 |
| EP2800401A1 (en) * | 2013-04-29 | 2014-11-05 | Thomson Licensing | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| US11146903B2 (en) * | 2013-05-29 | 2021-10-12 | Qualcomm Incorporated | Compression of decomposed representations of a sound field |
-
2012
- 2012-12-12 EP EP12306569.0A patent/EP2743922A1/en not_active Withdrawn
-
2013
- 2013-12-04 CN CN201910024894.0A patent/CN109410965B/zh active Active
- 2013-12-04 CA CA3125248A patent/CA3125248C/en active Active
- 2013-12-04 KR KR1020247014936A patent/KR20240068780A/ko active Pending
- 2013-12-04 EP EP18196348.9A patent/EP3496096B1/en active Active
- 2013-12-04 RU RU2015128090A patent/RU2623886C2/ru active
- 2013-12-04 KR KR1020227026512A patent/KR102546541B1/ko active Active
- 2013-12-04 KR KR1020157015332A patent/KR102202973B1/ko active Active
- 2013-12-04 CN CN201380064856.9A patent/CN104854655B/zh active Active
- 2013-12-04 CN CN202310889797.4A patent/CN117037812A/zh active Pending
- 2013-12-04 CA CA3168322A patent/CA3168322C/en active Active
- 2013-12-04 EP EP13801563.1A patent/EP2932502B1/en active Active
- 2013-12-04 CN CN201910024906.XA patent/CN109545235B/zh active Active
- 2013-12-04 KR KR1020217000640A patent/KR102428842B1/ko active Active
- 2013-12-04 CN CN201910024898.9A patent/CN109448743B/zh active Active
- 2013-12-04 EP EP21209477.5A patent/EP3996090B1/en active Active
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