ES2965423T3 - Codificador de audio - Google Patents
Codificador de audio Download PDFInfo
- Publication number
- ES2965423T3 ES2965423T3 ES21198240T ES21198240T ES2965423T3 ES 2965423 T3 ES2965423 T3 ES 2965423T3 ES 21198240 T ES21198240 T ES 21198240T ES 21198240 T ES21198240 T ES 21198240T ES 2965423 T3 ES2965423 T3 ES 2965423T3
- Authority
- ES
- Spain
- Prior art keywords
- vector
- elements
- encoding
- symbol
- upmix matrix
- 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.)
- Active
Links
- 239000013598 vector Substances 0.000 claims abstract description 124
- 239000011159 matrix material Substances 0.000 claims abstract description 103
- 238000000034 method Methods 0.000 claims abstract description 62
- 238000013459 approach Methods 0.000 abstract description 22
- 230000000737 periodic effect Effects 0.000 abstract description 9
- 238000004590 computer program Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 19
- 230000008901 benefit Effects 0.000 description 12
- 230000005236 sound signal Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 5
- 238000013139 quantization Methods 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
-
- 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
- G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- 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
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Theoretical Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361827264P | 2013-05-24 | 2013-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2965423T3 true ES2965423T3 (es) | 2024-04-15 |
Family
ID=50771514
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES21198240T Active ES2965423T3 (es) | 2013-05-24 | 2014-05-23 | Codificador de audio |
| ES19193266T Active ES2902518T3 (es) | 2013-05-24 | 2014-05-23 | Codificador de audio |
| ES14725736.4T Active ES2629025T3 (es) | 2013-05-24 | 2014-05-23 | Codificador y descodificador de audio |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES19193266T Active ES2902518T3 (es) | 2013-05-24 | 2014-05-23 | Codificador de audio |
| ES14725736.4T Active ES2629025T3 (es) | 2013-05-24 | 2014-05-23 | Codificador y descodificador de audio |
Country Status (18)
| Country | Link |
|---|---|
| US (8) | US9704493B2 (OSRAM) |
| EP (5) | EP3961622B1 (OSRAM) |
| JP (7) | JP6105159B2 (OSRAM) |
| KR (10) | KR102572382B1 (OSRAM) |
| CN (2) | CN110085238B (OSRAM) |
| AU (1) | AU2014270301B2 (OSRAM) |
| BR (1) | BR112015029031B1 (OSRAM) |
| CA (5) | CA3163664C (OSRAM) |
| DK (1) | DK3005350T3 (OSRAM) |
| ES (3) | ES2965423T3 (OSRAM) |
| IL (1) | IL242410B (OSRAM) |
| MX (3) | MX350117B (OSRAM) |
| MY (2) | MY199032A (OSRAM) |
| PL (1) | PL3005350T3 (OSRAM) |
| RU (3) | RU2676041C1 (OSRAM) |
| SG (2) | SG11201509001YA (OSRAM) |
| UA (1) | UA112833C2 (OSRAM) |
| WO (1) | WO2014187988A2 (OSRAM) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA112833C2 (uk) * | 2013-05-24 | 2016-10-25 | Долбі Інтернешнл Аб | Аудіо кодер і декодер |
| EP3712889A1 (en) | 2013-05-24 | 2020-09-23 | Dolby International AB | Efficient coding of audio scenes comprising audio objects |
| KR101760248B1 (ko) | 2013-05-24 | 2017-07-21 | 돌비 인터네셔널 에이비 | 오디오 오브젝트들을 포함한 오디오 장면들의 효율적 코딩 |
| CN117059107A (zh) | 2013-05-24 | 2023-11-14 | 杜比国际公司 | 对音频场景进行解码的方法、装置及计算机可读介质 |
| EP3270375B1 (en) | 2013-05-24 | 2020-01-15 | Dolby International AB | Reconstruction of audio scenes from a downmix |
| CN105659320B (zh) | 2013-10-21 | 2019-07-12 | 杜比国际公司 | 音频编码器和解码器 |
| US9756448B2 (en) | 2014-04-01 | 2017-09-05 | Dolby International Ab | Efficient coding of audio scenes comprising audio objects |
| GB2528460B (en) * | 2014-07-21 | 2018-05-30 | Gurulogic Microsystems Oy | Encoder, decoder and method |
| US10580416B2 (en) * | 2015-07-06 | 2020-03-03 | Nokia Technologies Oy | Bit error detector for an audio signal decoder |
| 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 |
| KR102546098B1 (ko) * | 2016-03-21 | 2023-06-22 | 한국전자통신연구원 | 블록 기반의 오디오 부호화/복호화 장치 및 그 방법 |
| CN107886960B (zh) * | 2016-09-30 | 2020-12-01 | 华为技术有限公司 | 一种音频信号重建方法及装置 |
| EP4202921A4 (en) * | 2020-09-28 | 2024-02-21 | Samsung Electronics Co., Ltd. | AUDIO ENCODING APPARATUS AND METHOD AND AUDIO DECODING APPARATUS AND METHOD |
| US12259827B2 (en) * | 2023-01-31 | 2025-03-25 | Avago Technologies International Sales Pte. Limited | Systems and methods for address scrambling |
Family Cites Families (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5470801A (en) | 1977-11-16 | 1979-06-07 | Mitsubishi Monsanto Chem | Sound shielding plate |
| JPS615159A (ja) | 1984-06-16 | 1986-01-10 | 株式会社アイジー技術研究所 | サイデイングボ−ド |
| DE4423612A1 (de) | 1994-07-06 | 1996-01-11 | Basf Ag | 2-[(Dihydro)pyrazolyl-3'-oxymethylen]-anilide, Verfahren zu ihrer Herstelung und ihre Verwendung |
| KR100844810B1 (ko) | 2000-12-22 | 2008-07-09 | 소니 가부시끼 가이샤 | 부호화 장치 및 복호 장치 |
| JP4008244B2 (ja) * | 2001-03-02 | 2007-11-14 | 松下電器産業株式会社 | 符号化装置および復号化装置 |
| SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| JP2003110429A (ja) * | 2001-09-28 | 2003-04-11 | Sony Corp | 符号化方法及び装置、復号方法及び装置、伝送方法及び装置、並びに記録媒体 |
| JP3982397B2 (ja) | 2001-11-28 | 2007-09-26 | 日本ビクター株式会社 | 可変長符号化データ復号化用プログラム及び可変長符号化データ受信用プログラム |
| US7263692B2 (en) * | 2003-06-30 | 2007-08-28 | Intel Corporation | System and method for software-pipelining of loops with sparse matrix routines |
| KR101082233B1 (ko) | 2004-01-20 | 2011-11-09 | 파나소닉 주식회사 | 화상 부호화 방법, 화상 복호화 방법, 화상 부호화 장치,화상 복호화 장치 및 그 프로그램 |
| US7895034B2 (en) | 2004-09-17 | 2011-02-22 | Digital Rise Technology Co., Ltd. | Audio encoding system |
| US20060080090A1 (en) | 2004-10-07 | 2006-04-13 | Nokia Corporation | Reusing codebooks in parameter quantization |
| EP1691348A1 (en) | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| US20070055510A1 (en) | 2005-07-19 | 2007-03-08 | Johannes Hilpert | Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding |
| TWI396188B (zh) | 2005-08-02 | 2013-05-11 | Dolby Lab Licensing Corp | 依聆聽事件之函數控制空間音訊編碼參數的技術 |
| KR20070037945A (ko) | 2005-10-04 | 2007-04-09 | 삼성전자주식회사 | 오디오 신호의 부호화/복호화 방법 및 장치 |
| KR100857120B1 (ko) | 2005-10-05 | 2008-09-05 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치 |
| KR101370017B1 (ko) | 2006-02-22 | 2014-03-05 | 오렌지 | Ｃｅｌｐ 기술에서의 디지털 오디오 신호의 개선된 코딩/디코딩 |
| BRPI0708267A2 (pt) | 2006-02-24 | 2011-05-24 | France Telecom | método de codificação binária de ìndices de quantificação de um envelope de sinal, método de decodificação de um envelope de sinal, e módulos de codificação e decodificação correspondentes |
| ATE536612T1 (de) * | 2006-10-16 | 2011-12-15 | Dolby Int Ab | Verbesserte kodierungs- und parameterdarstellung von mehrkanaliger abwärtsgemischter objektkodierung |
| US7953595B2 (en) | 2006-10-18 | 2011-05-31 | Polycom, Inc. | Dual-transform coding of audio signals |
| ES2639747T3 (es) | 2008-07-10 | 2017-10-30 | Voiceage Corporation | Dispositivo y método para cuantificar filtros de LPC en una súper-trama |
| EP4375998B1 (en) | 2008-07-11 | 2025-04-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder |
| EP2345030A2 (en) * | 2008-10-08 | 2011-07-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-resolution switched audio encoding/decoding scheme |
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| KR101710113B1 (ko) | 2009-10-23 | 2017-02-27 | 삼성전자주식회사 | 위상 정보와 잔여 신호를 이용한 부호화／복호화 장치 및 방법 |
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| KR101944328B1 (ko) | 2010-04-09 | 2019-01-31 | 돌비 인터네셔널 에이비 | Mdct-기반의 복소수 예측 스테레오 코딩 |
| EP2559027B1 (en) | 2010-04-13 | 2022-04-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing stereo audio signals using a variable prediction direction |
| US9112591B2 (en) | 2010-04-16 | 2015-08-18 | Samsung Electronics Co., Ltd. | Apparatus for encoding/decoding multichannel signal and method thereof |
| KR101798079B1 (ko) * | 2010-05-10 | 2017-11-16 | 삼성전자주식회사 | 픽셀값의 차분을 이용하여 영상 프레임을 부호화하는 방법 및 이를 위한 장치 |
| US8660195B2 (en) | 2010-08-10 | 2014-02-25 | Qualcomm Incorporated | Using quantized prediction memory during fast recovery coding |
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| WO2012144127A1 (ja) * | 2011-04-20 | 2012-10-26 | パナソニック株式会社 | ハフマン符号化を実行するための装置および方法 |
| IN2014CN03413A (OSRAM) * | 2011-11-01 | 2015-07-03 | Koninkl Philips Nv | |
| US9223376B2 (en) * | 2012-03-23 | 2015-12-29 | Qualcomm Incorporated | Managing electrical current in a portable computing device when two or more communications overlap in drawing power during a transmission |
| US9478228B2 (en) * | 2012-07-09 | 2016-10-25 | Koninklijke Philips N.V. | Encoding and decoding of audio signals |
| UA112833C2 (uk) | 2013-05-24 | 2016-10-25 | Долбі Інтернешнл Аб | Аудіо кодер і декодер |
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2014
- 2014-05-23 UA UAA201512264A patent/UA112833C2/uk unknown
- 2014-05-23 ES ES21198240T patent/ES2965423T3/es active Active
- 2014-05-23 US US14/892,722 patent/US9704493B2/en active Active
- 2014-05-23 AU AU2014270301A patent/AU2014270301B2/en active Active
- 2014-05-23 ES ES19193266T patent/ES2902518T3/es active Active
- 2014-05-23 DK DK14725736.4T patent/DK3005350T3/en active
- 2014-05-23 KR KR1020227036517A patent/KR102572382B1/ko active Active
- 2014-05-23 BR BR112015029031-0A patent/BR112015029031B1/pt active IP Right Grant
- 2014-05-23 KR KR1020157036397A patent/KR101763131B1/ko active Active
- 2014-05-23 EP EP21198240.0A patent/EP3961622B1/en active Active
- 2014-05-23 CN CN201910125157.XA patent/CN110085238B/zh active Active
- 2014-05-23 EP EP23205287.8A patent/EP4290510B1/en active Active
- 2014-05-23 KR KR1020207002641A patent/KR102192245B1/ko active Active
- 2014-05-23 ES ES14725736.4T patent/ES2629025T3/es active Active
- 2014-05-23 EP EP19193266.4A patent/EP3605532B1/en active Active
- 2014-05-23 MY MYPI2019003013A patent/MY199032A/en unknown
- 2014-05-23 KR KR1020227011202A patent/KR102459010B1/ko active Active
- 2014-05-23 KR KR1020177020394A patent/KR101895198B1/ko active Active
- 2014-05-23 SG SG11201509001YA patent/SG11201509001YA/en unknown
- 2014-05-23 MX MX2015015926A patent/MX350117B/es active IP Right Grant
- 2014-05-23 KR KR1020247033073A patent/KR20240151867A/ko active Pending
- 2014-05-23 CA CA3163664A patent/CA3163664C/en active Active
- 2014-05-23 SG SG10201710019SA patent/SG10201710019SA/en unknown
- 2014-05-23 CA CA3251568A patent/CA3251568A1/en active Pending
- 2014-05-23 KR KR1020187024874A patent/KR102072777B1/ko active Active
- 2014-05-23 EP EP14725736.4A patent/EP3005350B1/en active Active
- 2014-05-23 CA CA2911746A patent/CA2911746C/en active Active
- 2014-05-23 WO PCT/EP2014/060731 patent/WO2014187988A2/en not_active Ceased
- 2014-05-23 EP EP17164543.5A patent/EP3252757B1/en active Active
- 2014-05-23 JP JP2016514442A patent/JP6105159B2/ja active Active
- 2014-05-23 CA CA3077876A patent/CA3077876C/en active Active
- 2014-05-23 MX MX2017010953A patent/MX375380B/es unknown
- 2014-05-23 KR KR1020217015014A patent/KR102384348B1/ko active Active
- 2014-05-23 RU RU2018101246A patent/RU2676041C1/ru active
- 2014-05-23 KR KR1020207035676A patent/KR102280461B1/ko active Active
- 2014-05-23 CA CA2990261A patent/CA2990261C/en active Active
- 2014-05-23 PL PL14725736T patent/PL3005350T3/pl unknown
- 2014-05-23 CN CN201480029565.0A patent/CN105229729B/zh active Active
- 2014-05-23 KR KR1020237028826A patent/KR102715092B1/ko active Active
- 2014-05-23 RU RU2015155311A patent/RU2643489C2/ru active
- 2014-05-23 MY MYPI2015703952A patent/MY173644A/en unknown
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2015
- 2015-11-02 IL IL242410A patent/IL242410B/en active IP Right Grant
- 2015-11-19 MX MX2020010038A patent/MX2020010038A/es unknown
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2017
- 2017-03-01 JP JP2017038524A patent/JP6573640B2/ja active Active
- 2017-07-06 US US15/643,416 patent/US9940939B2/en active Active
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2018
- 2018-04-05 US US15/946,529 patent/US10418038B2/en active Active
- 2018-12-14 RU RU2018144368A patent/RU2710909C1/ru active
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2019
- 2019-08-13 JP JP2019148473A patent/JP6920382B2/ja active Active
- 2019-09-17 US US16/573,488 patent/US10714104B2/en active Active
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2020
- 2020-07-10 US US16/925,898 patent/US11024320B2/en active Active
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2021
- 2021-05-28 US US17/333,527 patent/US11594233B2/en active Active
- 2021-07-26 JP JP2021121510A patent/JP7258086B2/ja active Active
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2023
- 2023-02-27 US US18/114,885 patent/US12236961B2/en active Active
- 2023-04-04 JP JP2023060522A patent/JP7585379B2/ja active Active
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2024
- 2024-11-06 JP JP2024194253A patent/JP2025028867A/ja active Pending
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2025
- 2025-02-24 US US19/061,905 patent/US20250356860A1/en active Pending
- 2025-04-10 JP JP2025064679A patent/JP2025100674A/ja active Pending
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