PL3891734T3 - Urządzenie, sposób i program komputerowy do kodowania, dekodowania, przetwarzania sceny i innych procedur związanych z kodowaniem audio przestrzennego w oparciu o DirAC z wykorzystaniem generatorów składowych niskiego, średniego i wysokiego rzędu - Google Patents
Urządzenie, sposób i program komputerowy do kodowania, dekodowania, przetwarzania sceny i innych procedur związanych z kodowaniem audio przestrzennego w oparciu o DirAC z wykorzystaniem generatorów składowych niskiego, średniego i wysokiego rzęduInfo
- Publication number
- PL3891734T3 PL3891734T3 PL19813054.4T PL19813054T PL3891734T3 PL 3891734 T3 PL3891734 T3 PL 3891734T3 PL 19813054 T PL19813054 T PL 19813054T PL 3891734 T3 PL3891734 T3 PL 3891734T3
- Authority
- PL
- Poland
- Prior art keywords
- decoding
- encoding
- medium
- computer program
- low
- Prior art date
Links
- 238000000034 method Methods 0.000 title 2
- 238000004590 computer program Methods 0.000 title 1
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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- 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
- 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
- G10L19/0212—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 using orthogonal transformation
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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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/15—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being formant information
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
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- 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
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- 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
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- 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
-
- 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
-
- 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
- H04S2420/13—Application of wave-field synthesis in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18211064 | 2018-12-07 | ||
| PCT/EP2019/084053 WO2020115309A1 (en) | 2018-12-07 | 2019-12-06 | Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to dirac based spatial audio coding using diffuse compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3891734T3 true PL3891734T3 (pl) | 2023-06-05 |
Family
ID=64870294
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL19813055.1T PL3891735T3 (pl) | 2018-12-07 | 2019-12-06 | Urządzenie, sposób i program komputerowy do enkodowania, dekodowania, przetwarzania sceny i innych procedur związanych z kodowaniem audio przestrzennego w oparciu o dirac z wykorzystaniem bezpośredniej kompensacji składowej |
| PL23150192.5T PL4191580T3 (pl) | 2018-12-07 | 2019-12-06 | Urządzenie, sposób i program komputerowy do enkodowania, dekodowania, przetwarzania sceny i innych procedur związanych z kodowaniem audio przestrzennego w oparciu o dirac z wykorzystaniem kompensacji rozproszonej |
| PL19813056.9T PL3891736T3 (pl) | 2018-12-07 | 2019-12-06 | Urządzenie, sposób i program komputerowy do kodowania, dekodowania, przetwarzania sceny i innych procedur związanych z kodowaniem audio przestrzennego w oparciu o DirAC z wykorzystaniem generatorów składowych niskiego, średniego i wysokiego rzędu |
| PL19813054.4T PL3891734T3 (pl) | 2018-12-07 | 2019-12-06 | Urządzenie, sposób i program komputerowy do kodowania, dekodowania, przetwarzania sceny i innych procedur związanych z kodowaniem audio przestrzennego w oparciu o DirAC z wykorzystaniem generatorów składowych niskiego, średniego i wysokiego rzędu |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL19813055.1T PL3891735T3 (pl) | 2018-12-07 | 2019-12-06 | Urządzenie, sposób i program komputerowy do enkodowania, dekodowania, przetwarzania sceny i innych procedur związanych z kodowaniem audio przestrzennego w oparciu o dirac z wykorzystaniem bezpośredniej kompensacji składowej |
| PL23150192.5T PL4191580T3 (pl) | 2018-12-07 | 2019-12-06 | Urządzenie, sposób i program komputerowy do enkodowania, dekodowania, przetwarzania sceny i innych procedur związanych z kodowaniem audio przestrzennego w oparciu o dirac z wykorzystaniem kompensacji rozproszonej |
| PL19813056.9T PL3891736T3 (pl) | 2018-12-07 | 2019-12-06 | Urządzenie, sposób i program komputerowy do kodowania, dekodowania, przetwarzania sceny i innych procedur związanych z kodowaniem audio przestrzennego w oparciu o DirAC z wykorzystaniem generatorów składowych niskiego, średniego i wysokiego rzędu |
Country Status (18)
| Country | Link |
|---|---|
| US (7) | US11856389B2 (pl) |
| EP (4) | EP3891734B1 (pl) |
| JP (3) | JP7311602B2 (pl) |
| KR (5) | KR102818782B1 (pl) |
| CN (6) | CN117809663A (pl) |
| AU (3) | AU2019392876B2 (pl) |
| BR (3) | BR112021010972A2 (pl) |
| CA (3) | CA3122170C (pl) |
| ES (4) | ES2941268T3 (pl) |
| FI (2) | FI3891734T3 (pl) |
| MX (3) | MX2021006565A (pl) |
| MY (3) | MY207905A (pl) |
| PL (4) | PL3891735T3 (pl) |
| PT (2) | PT3891736T (pl) |
| SG (3) | SG11202105719RA (pl) |
| TW (3) | TWI747095B (pl) |
| WO (3) | WO2020115310A1 (pl) |
| ZA (3) | ZA202103739B (pl) |
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| AU2020320270B2 (en) | 2019-08-01 | 2025-10-23 | Dolby Laboratories Licensing Corporation | Encoding and decoding IVAS bitstreams |
| AU2021357364B2 (en) | 2020-10-09 | 2024-06-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method, or computer program for processing an encoded audio scene using a parameter smoothing |
| MX2023003965A (es) | 2020-10-09 | 2023-05-25 | Fraunhofer Ges Forschung | Aparato, metodo, o programa de computadora para procesar una escena de audio codificada utilizando una extension de ancho de banda. |
| AU2021358432B2 (en) | 2020-10-09 | 2024-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method, or computer program for processing an encoded audio scene using a parameter conversion |
| JP2023131911A (ja) * | 2022-03-10 | 2023-09-22 | 株式会社ズーム | ソフトウェア及びマイクロホンデバイス |
| CN115096432B (zh) * | 2022-06-09 | 2025-10-03 | 南京未来脑科技有限公司 | 一种基于声压图学习的球谐系数升阶方法及声场描述方法 |
| JP2024048967A (ja) * | 2022-09-28 | 2024-04-09 | パナソニックＩｐマネジメント株式会社 | 音場再現装置、音場再現方法及び音場再現システム |
| TWI907957B (zh) * | 2023-02-23 | 2025-12-11 | 弗勞恩霍夫爾協會 | 音訊訊號表示解碼單元和音訊訊號表示編碼單元 |
| CN119049482A (zh) * | 2023-05-27 | 2024-11-29 | 华为技术有限公司 | 场景音频解码方法及电子设备 |
| CN119421077A (zh) * | 2024-10-16 | 2025-02-11 | 歌尔科技有限公司 | 信号生成方法、设备、可读存储介质及计算机程序产品 |
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