PL4179531T3 - Kwantyzator audio oraz dekwantyzator audio oraz powiązane sposoby - Google Patents
Kwantyzator audio oraz dekwantyzator audio oraz powiązane sposobyInfo
- Publication number
- PL4179531T3 PL4179531T3 PL21742334.2T PL21742334T PL4179531T3 PL 4179531 T3 PL4179531 T3 PL 4179531T3 PL 21742334 T PL21742334 T PL 21742334T PL 4179531 T3 PL4179531 T3 PL 4179531T3
- Authority
- PL
- Poland
- Prior art keywords
- audio
- dequantizer
- quantizer
- related methods
- methods
- Prior art date
Links
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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20184555 | 2020-07-07 | ||
| PCT/EP2021/068527 WO2022008454A1 (en) | 2020-07-07 | 2021-07-05 | Audio quantizer and audio dequantizer and related methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL4179531T3 true PL4179531T3 (pl) | 2025-01-20 |
Family
ID=71661617
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL21742334.2T PL4179531T3 (pl) | 2020-07-07 | 2021-07-05 | Kwantyzator audio oraz dekwantyzator audio oraz powiązane sposoby |
| PL21742333.4T PL4179529T3 (pl) | 2020-07-07 | 2021-07-05 | Dekoder audio, enkoder audio oraz powiązane sposoby wykorzystujące wspólne kodowanie parametrów skali dla kanałów wielokanałowego sygnału audio |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL21742333.4T PL4179529T3 (pl) | 2020-07-07 | 2021-07-05 | Dekoder audio, enkoder audio oraz powiązane sposoby wykorzystujące wspólne kodowanie parametrów skali dla kanałów wielokanałowego sygnału audio |
Country Status (14)
| Country | Link |
|---|---|
| US (2) | US20230133513A1 (pl) |
| EP (3) | EP4179531B1 (pl) |
| JP (3) | JP7581477B2 (pl) |
| KR (2) | KR20230043876A (pl) |
| CN (2) | CN115843378A (pl) |
| AU (2) | AU2021306852B2 (pl) |
| BR (2) | BR112022026703A2 (pl) |
| CA (2) | CA3184222A1 (pl) |
| ES (2) | ES2991919T3 (pl) |
| MX (2) | MX2023000340A (pl) |
| PL (2) | PL4179531T3 (pl) |
| TW (2) | TWI841856B (pl) |
| WO (2) | WO2022008454A1 (pl) |
| ZA (2) | ZA202213859B (pl) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022008454A1 (en) | 2020-07-07 | 2022-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio quantizer and audio dequantizer and related methods |
| 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 |
| 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 (39)
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| 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 |
| KR100773539B1 (ko) | 2004-07-14 | 2007-11-05 | 삼성전자주식회사 | 멀티채널 오디오 데이터 부호화/복호화 방법 및 장치 |
| DE602005017660D1 (de) * | 2004-12-28 | 2009-12-24 | Panasonic Corp | Audiokodierungsvorrichtung und audiokodierungsmethode |
| KR101315077B1 (ko) | 2005-03-30 | 2013-10-08 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 멀티-채널 오디오 데이터를 인코딩 및 디코딩하기 위한 방법, 및 인코더들 및 디코더들 |
| US7411528B2 (en) | 2005-07-11 | 2008-08-12 | Lg Electronics Co., Ltd. | Apparatus and method of processing an 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 |
| NO2313887T3 (pl) | 2008-07-10 | 2018-02-10 | ||
| EP2304719B1 (en) * | 2008-07-11 | 2017-07-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, methods for providing an audio stream and computer program |
| EP2345027B1 (en) * | 2008-10-10 | 2018-04-18 | Telefonaktiebolaget LM Ericsson (publ) | Energy-conserving multi-channel audio coding and decoding |
| SG174117A1 (en) * | 2009-04-08 | 2011-10-28 | Fraunhofer Ges Forschung | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing |
| KR101698439B1 (ko) * | 2010-04-09 | 2017-01-20 | 돌비 인터네셔널 에이비 | Mdct-기반의 복소수 예측 스테레오 코딩 |
| EP2643833B1 (en) | 2010-11-26 | 2020-01-01 | Nokia Technologies Oy | Low complexity target vector identification |
| MY165853A (en) | 2011-02-14 | 2018-05-18 | Fraunhofer Ges Forschung | Linear prediction based coding scheme using spectral domain noise shaping |
| EP2795617B1 (en) * | 2011-12-21 | 2016-08-10 | Dolby International AB | Audio encoders and methods with parallel architecture |
| TWI591620B (zh) | 2012-03-21 | 2017-07-11 | 三星電子股份有限公司 | 產生高頻雜訊的方法 |
| EP3193332B1 (en) | 2012-07-12 | 2020-09-02 | Nokia Technologies Oy | Vector quantization |
| 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 |
| SG11201608787UA (en) * | 2014-03-28 | 2016-12-29 | Samsung Electronics Co Ltd | Method and device for quantization of linear prediction coefficient and method and device for inverse quantization |
| ES2726193T3 (es) | 2014-08-28 | 2019-10-02 | Nokia Technologies Oy | Cuantificación de parámetros de audio |
| KR102230668B1 (ko) * | 2016-01-22 | 2021-03-22 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 미드/사이드 결정이 개선된 전역 ild를 갖는 mdct m/s 스테레오의 장치 및 방법 |
| 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 |
| ES3059239T3 (en) * | 2018-07-04 | 2026-03-19 | Fraunhofer Ges Forschung | Multisignal encoder, multisignal decoder, and related methods using signal whitening or signal post processing |
| 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 |
| EP4170912A4 (en) * | 2020-06-18 | 2023-11-22 | Panasonic Intellectual Property Corporation of America | CODING APPARATUS, DECODING APPARATUS, CODING METHOD AND DECODING METHOD |
| WO2022008454A1 (en) | 2020-07-07 | 2022-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio quantizer and audio dequantizer and related methods |
-
2021
- 2021-07-05 WO PCT/EP2021/068527 patent/WO2022008454A1/en not_active Ceased
- 2021-07-05 JP JP2023501298A patent/JP7581477B2/ja active Active
- 2021-07-05 AU AU2021306852A patent/AU2021306852B2/en active Active
- 2021-07-05 CN CN202180048673.2A patent/CN115843378A/zh active Pending
- 2021-07-05 PL PL21742334.2T patent/PL4179531T3/pl unknown
- 2021-07-05 BR BR112022026703A patent/BR112022026703A2/pt unknown
- 2021-07-05 MX MX2023000340A patent/MX2023000340A/es unknown
- 2021-07-05 WO PCT/EP2021/068520 patent/WO2022008448A1/en not_active Ceased
- 2021-07-05 EP EP21742334.2A patent/EP4179531B1/en active Active
- 2021-07-05 EP EP21742333.4A patent/EP4179529B1/en active Active
- 2021-07-05 EP EP24184655.9A patent/EP4447044A3/en not_active Withdrawn
- 2021-07-05 BR BR112023000223A patent/BR112023000223A2/pt unknown
- 2021-07-05 PL PL21742333.4T patent/PL4179529T3/pl unknown
- 2021-07-05 KR KR1020237004231A patent/KR20230043876A/ko active Pending
- 2021-07-05 MX MX2023000341A patent/MX2023000341A/es unknown
- 2021-07-05 CA CA3184222A patent/CA3184222A1/en active Pending
- 2021-07-05 ES ES21742334T patent/ES2991919T3/es active Active
- 2021-07-05 KR KR1020237004446A patent/KR20230066547A/ko active Pending
- 2021-07-05 JP JP2023501297A patent/JP7641355B2/ja active Active
- 2021-07-05 CN CN202180048663.9A patent/CN116114016A/zh active Pending
- 2021-07-05 ES ES21742333T patent/ES2994675T3/es active Active
- 2021-07-05 CA CA3184522A patent/CA3184522A1/en active Pending
- 2021-07-05 AU AU2021303726A patent/AU2021303726B2/en active Active
- 2021-07-07 TW TW110125041A patent/TWI841856B/zh active
- 2021-07-07 TW TW110125042A patent/TWI793666B/zh active
-
2022
- 2022-12-21 ZA ZA2022/13859A patent/ZA202213859B/en unknown
- 2022-12-21 US US18/086,110 patent/US20230133513A1/en active Pending
-
2023
- 2023-01-05 ZA ZA2023/00267A patent/ZA202300267B/en unknown
- 2023-01-05 US US18/150,355 patent/US12475900B2/en active Active
-
2025
- 2025-01-21 JP JP2025008716A patent/JP2025063256A/ja not_active Withdrawn
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