CA3125248C - Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field - Google Patents
Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field Download PDFInfo
- Publication number
- CA3125248C CA3125248C CA3125248A CA3125248A CA3125248C CA 3125248 C CA3125248 C CA 3125248C CA 3125248 A CA3125248 A CA 3125248A CA 3125248 A CA3125248 A CA 3125248A CA 3125248 C CA3125248 C CA 3125248C
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- hoa
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- directional signals
- decompressed
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
- H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/11—Application of ambisonics in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Percussion Or Vibration Massage (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
| EP12306569.0 | 2012-12-12 | ||
| CA2891636A CA2891636C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2891636A Division CA2891636C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA3125248A1 CA3125248A1 (en) | 2014-06-19 |
| CA3125248C true CA3125248C (en) | 2023-03-07 |
Family
ID=47715805
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3125248A Active CA3125248C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3125228A Active CA3125228C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA2891636A Active CA2891636C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3168322A Active CA3168322C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3168326A Pending CA3168326A1 (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3125246A Active CA3125246C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3125228A Active CA3125228C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA2891636A Active CA2891636C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3168322A Active CA3168322C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3168326A Pending CA3168326A1 (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| CA3125246A Active CA3125246C (en) | 2012-12-12 | 2013-12-04 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
Country Status (11)
| Country | Link |
|---|---|
| US (7) | US9646618B2 (enExample) |
| EP (5) | EP2743922A1 (enExample) |
| JP (7) | JP6285458B2 (enExample) |
| KR (5) | KR102428842B1 (enExample) |
| CN (9) | CN117037812A (enExample) |
| CA (6) | CA3125248C (enExample) |
| MX (7) | MX395017B (enExample) |
| MY (2) | MY169354A (enExample) |
| RU (2) | RU2623886C2 (enExample) |
| TW (6) | TWI645397B (enExample) |
| WO (1) | WO2014090660A1 (enExample) |
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 |
| US9959875B2 (en) | 2013-03-01 | 2018-05-01 | Qualcomm Incorporated | Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams |
| EP2800401A1 (en) | 2013-04-29 | 2014-11-05 | Thomson Licensing | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| 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 |
| JP6530412B2 (ja) * | 2014-01-08 | 2019-06-12 | ドルビー・インターナショナル・アーベー | 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 |
| 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 |
| CN109410961B (zh) | 2014-03-21 | 2023-08-25 | 杜比国际公司 | 用于对压缩的hoa信号进行解码的方法、装置和存储介质 |
| 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 |
| 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 |
| 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 |
| 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 |
| EP3860154B1 (en) * | 2014-06-27 | 2024-02-21 | Dolby International AB | Method for decoding a compressed hoa dataframe representation of a sound field. |
| CN113808598B (zh) | 2014-06-27 | 2025-03-18 | 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 |
| CN107077852B (zh) | 2014-06-27 | 2020-12-04 | 杜比国际公司 | 包括与hoa数据帧表示的特定数据帧的通道信号关联的非差分增益值的编码hoa数据帧表示 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| US10140996B2 (en) | 2014-10-10 | 2018-11-27 | Qualcomm Incorporated | Signaling layers for scalable coding of higher order ambisonic audio data |
| 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 |
| US12087311B2 (en) | 2015-07-30 | 2024-09-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding an HOA representation |
| 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 |
| 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 |
| US9961475B2 (en) | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from object-based audio to HOA |
| US9961467B2 (en) | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from channel-based audio to HOA |
| US10249312B2 (en) * | 2015-10-08 | 2019-04-02 | Qualcomm Incorporated | Quantization of spatial vectors |
| EP3716653B1 (en) | 2015-11-17 | 2023-06-07 | Dolby International AB | Headtracking for parametric binaural output system |
| US9881628B2 (en) * | 2016-01-05 | 2018-01-30 | Qualcomm Incorporated | Mixed domain coding of audio |
| WO2017129236A1 (en) * | 2016-01-27 | 2017-08-03 | Huawei Technologies Co., Ltd. | An apparatus, a method, and a computer program for processing soundfield data |
| KR102261905B1 (ko) | 2016-03-15 | 2021-06-08 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 음장 기술을 생성하기 위한 장치, 방법, 또는 컴퓨터 프로그램 |
| 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 |
| 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 |
| 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 |
Family Cites Families (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG45281A1 (en) * | 1992-06-26 | 1998-01-16 | Discovision Ass | Method and arrangement for transformation of signals from a frequency to a time domain |
| EP1230586B1 (en) | 1999-11-12 | 2011-10-12 | Jerry Moscovitch | Horizontal three screen lcd display system |
| FR2801108B1 (fr) | 1999-11-16 | 2002-03-01 | Maxmat S A | Analyseur chimique ou biochimique a regulation de la temperature reactionnelle |
| US6678647B1 (en) | 2000-06-02 | 2004-01-13 | Agere Systems Inc. | Perceptual coding of audio signals using cascaded filterbanks for performing irrelevancy reduction and redundancy reduction with different spectral/temporal resolution |
| US6934676B2 (en) | 2001-05-11 | 2005-08-23 | Nokia Mobile Phones Ltd. | Method and system for inter-channel signal redundancy removal in perceptual audio coding |
| US8009966B2 (en) * | 2002-11-01 | 2011-08-30 | Synchro Arts Limited | Methods and apparatus for use in sound replacement with automatic synchronization to images |
| US7983922B2 (en) * | 2005-04-15 | 2011-07-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing |
| KR100933548B1 (ko) * | 2005-04-15 | 2009-12-23 | 돌비 스웨덴 에이비 | 비상관 신호의 시간적 엔벨로프 정형화 |
| US8139685B2 (en) * | 2005-05-10 | 2012-03-20 | Qualcomm Incorporated | Systems, methods, and apparatus for frequency control |
| JP4616074B2 (ja) * | 2005-05-16 | 2011-01-19 | 株式会社エヌ・ティ・ティ・ドコモ | アクセスルータ、サービス制御システム、サービス制御方法 |
| TW200715145A (en) * | 2005-10-12 | 2007-04-16 | Lin Hui | File compression method of digital sound signals |
| US8374365B2 (en) * | 2006-05-17 | 2013-02-12 | Creative Technology Ltd | Spatial audio analysis and synthesis for binaural reproduction and format conversion |
| US8165124B2 (en) * | 2006-10-13 | 2012-04-24 | Qualcomm Incorporated | Message compression methods and apparatus |
| WO2008096313A1 (en) * | 2007-02-06 | 2008-08-14 | Koninklijke Philips Electronics N.V. | Low complexity parametric stereo decoder |
| JP5530720B2 (ja) | 2007-02-26 | 2014-06-25 | 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 | エンターテイメントオーディオにおける音声強調方法、装置、およびコンピュータ読取り可能な記録媒体 |
| 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 |
| GB2453117B (en) * | 2007-09-25 | 2012-05-23 | Motorola Mobility Inc | Apparatus and method for encoding a multi channel audio signal |
| WO2009046223A2 (en) | 2007-10-03 | 2009-04-09 | Creative Technology Ltd | Spatial audio analysis and synthesis for binaural reproduction and format conversion |
| WO2009067741A1 (en) * | 2007-11-27 | 2009-06-04 | Acouity Pty Ltd | Bandwidth compression of parametric soundfield representations for transmission and storage |
| US8708089B2 (en) | 2008-07-15 | 2014-04-29 | Jtekt Corporation | Vehicle steering apparatus |
| EP2205007B1 (en) * | 2008-12-30 | 2019-01-09 | Dolby International AB | Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction |
| CN102388417B (zh) * | 2009-03-17 | 2015-10-21 | 杜比国际公司 | 基于自适应地可选择的左/右或中央/侧边立体声编码和参数立体声编码的组合的高级立体声编码 |
| 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 |
| US8705750B2 (en) * | 2009-06-25 | 2014-04-22 | Berges Allmenndigitale Rådgivningstjeneste | Device and method for converting spatial audio signal |
| 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 |
| CN101977349A (zh) * | 2010-09-29 | 2011-02-16 | 华南理工大学 | Ambisonic声重发系统解码的优化改进方法 |
| US8855341B2 (en) * | 2010-10-25 | 2014-10-07 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for head tracking based on recorded sound signals |
| 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 |
| 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 |
| US9288603B2 (en) * | 2012-07-15 | 2016-03-15 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
| 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 |
| KR102201713B1 (ko) * | 2012-07-19 | 2021-01-12 | 돌비 인터네셔널 에이비 | 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스 |
| 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 |
| US9769586B2 (en) * | 2013-05-29 | 2017-09-19 | Qualcomm Incorporated | Performing order reduction with respect to higher order ambisonic coefficients |
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