MX429149B - Decodificador de audio, codificador de audio y metodos relacionados que utilizan codificacion conjunta de parametros de escala para canales de una se?al de audio multicanal - Google Patents
Decodificador de audio, codificador de audio y metodos relacionados que utilizan codificacion conjunta de parametros de escala para canales de una se?al de audio multicanalInfo
- Publication number
- MX429149B MX429149B MX2023000340A MX2023000340A MX429149B MX 429149 B MX429149 B MX 429149B MX 2023000340 A MX2023000340 A MX 2023000340A MX 2023000340 A MX2023000340 A MX 2023000340A MX 429149 B MX429149 B MX 429149B
- Authority
- MX
- Mexico
- Prior art keywords
- audio
- scale
- decoder
- scale parameters
- channel
- Prior art date
Links
Classifications
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- 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
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
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- 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
- G10L19/002—Dynamic bit allocation
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- 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
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- 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
- G10L19/035—Scalar quantisation
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- 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
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- 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
- G10L19/04—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 predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
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- 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
- G10L19/04—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 predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
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- 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
- H04S7/307—Frequency adjustment, e.g. tone control
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- 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
- G10L2019/0001—Codebooks
- G10L2019/0004—Design or structure of the codebook
- G10L2019/0005—Multi-stage vector quantisation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Abstract
Decodificador de audio para decodificar una señal de audio codificada que comprende datos de audio multicanal que comprenden datos para dos o más canales de audio e información sobre parámetros de escala codificados conjuntamente, que comprende: un decodificador de parámetros de escala (220) para decodificar la información sobre los parámetros de escala codificados conjuntamente para obtener un primer conjunto de parámetros de escala para un primer canal de una señal de audio decodificada y un segundo conjunto de parámetros de escala para un segundo canal de la señal de audio decodificada; y un procesador de señales (210) para aplicar el primer conjunto de parámetros de escala a una primera representación de canal derivada de los datos de audio multicanal y para aplicar el segundo conjunto de parámetros de escala a una segunda representación de canal derivada de los datos de audio multicanal para obtener el primer canal y el segundo canal de la señal de audio decodificada, en donde los parámetros de escala codificados conjuntamente comprenden información sobre un primer grupo de parámetros de escala codificados conjuntamente e información sobre un segundo grupo de parámetros de escala codificados conjuntamente, y en donde el decodificador de parámetros de escala (220) se configura para combinar un parámetro de escala codificado conjuntamente del primer grupo y un parámetro de escala codificado conjuntamente del segundo grupo usando una primera regla de combinación para obtener un parámetro de escala del primer conjunto de parámetros de escala, y usando una segunda regla de combinación que es diferente de la primera regla de combinación para obtener un parámetro de escala del segundo conjunto de parámetros de escala.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20184555 | 2020-07-07 | ||
| PCT/EP2021/068520 WO2022008448A1 (en) | 2020-07-07 | 2021-07-05 | Audio decoder, audio encoder, and related methods using joint coding of scale parameters for channels of a multi-channel audio signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2023000340A MX2023000340A (es) | 2023-02-09 |
| MX429149B true MX429149B (es) | 2025-11-13 |
Family
ID=71661617
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2023000341A MX2023000341A (es) | 2020-07-07 | 2021-07-05 | Cuantificador de audio y descuantificador de audio y metodos relacionados. |
| MX2023000340A MX429149B (es) | 2020-07-07 | 2021-07-05 | Decodificador de audio, codificador de audio y metodos relacionados que utilizan codificacion conjunta de parametros de escala para canales de una se?al de audio multicanal |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2023000341A MX2023000341A (es) | 2020-07-07 | 2021-07-05 | Cuantificador de audio y descuantificador de audio y metodos relacionados. |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US20230133513A1 (es) |
| EP (3) | EP4179529B1 (es) |
| JP (3) | JP7641355B2 (es) |
| KR (2) | KR102994374B1 (es) |
| CN (2) | CN116114016A (es) |
| AU (2) | AU2021306852B2 (es) |
| BR (2) | BR112022026703A2 (es) |
| ES (2) | ES2991919T3 (es) |
| MX (2) | MX2023000341A (es) |
| PL (2) | PL4179531T3 (es) |
| TW (2) | TWI841856B (es) |
| WO (2) | WO2022008448A1 (es) |
| ZA (2) | ZA202213859B (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4179529B1 (en) | 2020-07-07 | 2024-10-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, audio encoder, and related methods using joint coding of scale parameters for channels of a multi-channel audio signal |
| GB2617571A (en) * | 2022-04-12 | 2023-10-18 | Nokia Technologies Oy | Method for quantizing line spectral frequencies |
| GB2623516A (en) * | 2022-10-17 | 2024-04-24 | Nokia Technologies Oy | Parametric spatial audio encoding |
| WO2024175187A1 (en) * | 2023-02-21 | 2024-08-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder for encoding a multi-channel audio signal |
| TWI864704B (zh) * | 2023-04-26 | 2024-12-01 | 弗勞恩霍夫爾協會 | 用於音訊編碼器中之尺度參數之諧度相依傾斜控制之設備及方法 |
| US20250104722A1 (en) * | 2023-09-26 | 2025-03-27 | Electronics And Telecommunications Research Institute | Method and device for encoding/decoding audio signal based on dequantization through potential diffusion |
| WO2026013262A1 (en) * | 2024-07-12 | 2026-01-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Low-rate noise shaping vector quantizer for audio coding |
| WO2026043132A1 (ko) * | 2024-08-19 | 2026-02-26 | 엘지전자 주식회사 | 블루투스 연결에 기반하여 멀티채널 오디오 신호를 제어하기 위한 장치 및 방법 |
Family Cites Families (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3246715B2 (ja) * | 1996-07-01 | 2002-01-15 | 松下電器産業株式会社 | オーディオ信号圧縮方法，およびオーディオ信号圧縮装置 |
| US5966688A (en) * | 1997-10-28 | 1999-10-12 | Hughes Electronics Corporation | Speech mode based multi-stage vector quantizer |
| US6148283A (en) * | 1998-09-23 | 2000-11-14 | Qualcomm Inc. | Method and apparatus using multi-path multi-stage vector quantizer |
| US20030215013A1 (en) * | 2002-04-10 | 2003-11-20 | Budnikov Dmitry N. | Audio encoder with adaptive short window grouping |
| CN1458646A (zh) * | 2003-04-21 | 2003-11-26 | 北京阜国数字技术有限公司 | 一种滤波参数矢量量化和结合量化模型预测的音频编码方法 |
| US7739119B2 (en) * | 2004-03-02 | 2010-06-15 | Ittiam Systems (P) Ltd. | Technique for implementing Huffman decoding |
| KR100663729B1 (ko) * | 2004-07-09 | 2007-01-02 | 한국전자통신연구원 | 가상 음원 위치 정보를 이용한 멀티채널 오디오 신호부호화 및 복호화 방법 및 장치 |
| KR100773539B1 (ko) | 2004-07-14 | 2007-11-05 | 삼성전자주식회사 | 멀티채널 오디오 데이터 부호화/복호화 방법 및 장치 |
| EP2138999A1 (en) * | 2004-12-28 | 2009-12-30 | Panasonic Corporation | Audio encoding device and audio encoding method |
| CN101151659B (zh) | 2005-03-30 | 2014-02-05 | 皇家飞利浦电子股份有限公司 | 多通道音频编码器、设备、方法及其解码器、设备和方法 |
| US7949014B2 (en) | 2005-07-11 | 2011-05-24 | Lg Electronics Inc. | Apparatus and method of encoding and decoding audio signal |
| US7539612B2 (en) * | 2005-07-15 | 2009-05-26 | Microsoft Corporation | Coding and decoding scale factor information |
| KR100803212B1 (ko) * | 2006-01-11 | 2008-02-14 | 삼성전자주식회사 | 스케일러블 채널 복호화 방법 및 장치 |
| US8046214B2 (en) * | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
| US8515767B2 (en) * | 2007-11-04 | 2013-08-20 | Qualcomm Incorporated | Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs |
| ES2650492T3 (es) | 2008-07-10 | 2018-01-18 | Voiceage Corporation | Dispositivo y método de cuantificación de filtro LPC de múltiples referencias |
| ES3032482T3 (en) * | 2008-07-11 | 2025-07-21 | Fraunhofer Ges Forschung | Audio decoder |
| US9330671B2 (en) * | 2008-10-10 | 2016-05-03 | Telefonaktiebolaget L M Ericsson (Publ) | Energy conservative multi-channel audio coding |
| AU2010233863B2 (en) * | 2009-04-08 | 2013-09-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing |
| CA3045686C (en) * | 2010-04-09 | 2020-07-14 | Dolby International Ab | Audio upmixer operable in prediction or non-prediction mode |
| US9196255B2 (en) | 2010-11-26 | 2015-11-24 | Nokia Technologies Oy | Low complexity target vector identification |
| CN103477387B (zh) | 2011-02-14 | 2015-11-25 | 弗兰霍菲尔运输应用研究公司 | 使用频谱域噪声整形的基于线性预测的编码方案 |
| EP2795617B1 (en) * | 2011-12-21 | 2016-08-10 | Dolby International AB | Audio encoders and methods with parallel architecture |
| TWI626645B (zh) | 2012-03-21 | 2018-06-11 | 南韓商三星電子股份有限公司 | 編碼音訊信號的裝置 |
| CN104620315B (zh) | 2012-07-12 | 2018-04-13 | 诺基亚技术有限公司 | 一种矢量量化的方法及装置 |
| US9293146B2 (en) * | 2012-09-04 | 2016-03-22 | Apple Inc. | Intensity stereo coding in advanced audio coding |
| EP3011562A2 (en) * | 2013-06-17 | 2016-04-27 | Dolby Laboratories Licensing Corporation | Multi-stage quantization of parameter vectors from disparate signal dimensions |
| EP2830047A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for low delay object metadata coding |
| EP2866227A1 (en) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder |
| KR102392003B1 (ko) * | 2014-03-28 | 2022-04-28 | 삼성전자주식회사 | 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치 |
| WO2016030568A1 (en) | 2014-08-28 | 2016-03-03 | Nokia Technologies Oy | Audio parameter quantization |
| SG11201806256SA (en) * | 2016-01-22 | 2018-08-30 | Fraunhofer Ges Forschung | Apparatus and method for mdct m/s stereo with global ild with improved mid/side decision |
| EP3208800A1 (en) * | 2016-02-17 | 2017-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for stereo filing in multichannel coding |
| EP3324407A1 (en) | 2016-11-17 | 2018-05-23 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus and method for decomposing an audio signal using a ratio as a separation characteristic |
| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| CN110556119B (zh) * | 2018-05-31 | 2022-02-18 | 华为技术有限公司 | 一种下混信号的计算方法及装置 |
| CN112639967B (zh) | 2018-07-04 | 2025-01-07 | 弗劳恩霍夫应用研究促进协会 | 使用信号白化作为预处理的多信号音频编码 |
| JP2020134463A (ja) | 2019-02-25 | 2020-08-31 | ソニーセミコンダクタソリューションズ株式会社 | 測距装置、測距方法、並びにプログラム |
| WO2021256082A1 (ja) * | 2020-06-18 | 2021-12-23 | 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、復号装置、符号化方法、及び、復号方法 |
| EP4179529B1 (en) | 2020-07-07 | 2024-10-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, audio encoder, and related methods using joint coding of scale parameters for channels of a multi-channel audio signal |
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2021
- 2021-07-05 EP EP21742333.4A patent/EP4179529B1/en active Active
- 2021-07-05 CN CN202180048663.9A patent/CN116114016A/zh active Pending
- 2021-07-05 BR BR112022026703A patent/BR112022026703A2/pt unknown
- 2021-07-05 EP EP21742334.2A patent/EP4179531B1/en active Active
- 2021-07-05 MX MX2023000341A patent/MX2023000341A/es unknown
- 2021-07-05 KR KR1020237004446A patent/KR102994374B1/ko active Active
- 2021-07-05 JP JP2023501297A patent/JP7641355B2/ja active Active
- 2021-07-05 ES ES21742334T patent/ES2991919T3/es active Active
- 2021-07-05 ES ES21742333T patent/ES2994675T3/es active Active
- 2021-07-05 AU AU2021306852A patent/AU2021306852B2/en active Active
- 2021-07-05 BR BR112023000223A patent/BR112023000223A2/pt unknown
- 2021-07-05 PL PL21742334.2T patent/PL4179531T3/pl unknown
- 2021-07-05 JP JP2023501298A patent/JP7581477B2/ja active Active
- 2021-07-05 WO PCT/EP2021/068520 patent/WO2022008448A1/en not_active Ceased
- 2021-07-05 CN CN202180048673.2A patent/CN115843378A/zh active Pending
- 2021-07-05 MX MX2023000340A patent/MX429149B/es unknown
- 2021-07-05 AU AU2021303726A patent/AU2021303726B2/en active Active
- 2021-07-05 EP EP24184655.9A patent/EP4447044A3/en not_active Withdrawn
- 2021-07-05 WO PCT/EP2021/068527 patent/WO2022008454A1/en not_active Ceased
- 2021-07-05 PL PL21742333.4T patent/PL4179529T3/pl unknown
- 2021-07-05 KR KR1020237004231A patent/KR102996774B1/ko active Active
- 2021-07-07 TW TW110125041A patent/TWI841856B/zh active
- 2021-07-07 TW TW110125042A patent/TWI793666B/zh active
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2022
- 2022-12-21 ZA ZA2022/13859A patent/ZA202213859B/en unknown
- 2022-12-21 US US18/086,110 patent/US20230133513A1/en active Pending
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2023
- 2023-01-05 ZA ZA2023/00267A patent/ZA202300267B/en unknown
- 2023-01-05 US US18/150,355 patent/US12475900B2/en active Active
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2025
- 2025-01-21 JP JP2025008716A patent/JP2025063256A/ja not_active Withdrawn