MX2023004247A - Aparato y metodo para codificar una pluralidad de objetos de audio o aparato y metodo para decodificacion usando dos o mas objetos de audio relevantes. - Google Patents
Aparato y metodo para codificar una pluralidad de objetos de audio o aparato y metodo para decodificacion usando dos o mas objetos de audio relevantes.Info
- Publication number
- MX2023004247A MX2023004247A MX2023004247A MX2023004247A MX2023004247A MX 2023004247 A MX2023004247 A MX 2023004247A MX 2023004247 A MX2023004247 A MX 2023004247A MX 2023004247 A MX2023004247 A MX 2023004247A MX 2023004247 A MX2023004247 A MX 2023004247A
- Authority
- MX
- Mexico
- Prior art keywords
- audio objects
- encoding
- relevant
- decoding
- frequency bins
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 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
- G10L19/02—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
- G10L19/008—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Un aparato para codificar una pluralidad de objetos de audio, que comprende: una calculadora de parámetros de objeto (100) configurada para calcular, para uno o más intervalos de frecuencia de una pluralidad de intervalos de frecuencia relacionados con un intervalo de tiempo, datos de parámetros para al menos dos objetos de audio relevantes, en donde un número de los al menos dos objetos de audio relevantes es menor que un número total de la pluralidad de objetos de audio, y una interfaz de salida (200) para emitir una señal de audio codificada que comprende información sobre los datos de parámetros para los por lo menos dos objetos de audio relevantes para los uno o más intervalos de frecuencia.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20201633 | 2020-10-13 | ||
EP20215651 | 2020-12-18 | ||
EP21184367 | 2021-07-07 | ||
PCT/EP2021/078217 WO2022079049A2 (en) | 2020-10-13 | 2021-10-12 | Apparatus and method for encoding a plurality of audio objects or apparatus and method for decoding using two or more relevant audio objects |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2023004247A true MX2023004247A (es) | 2023-06-07 |
Family
ID=78087392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2023004247A MX2023004247A (es) | 2020-10-13 | 2021-10-12 | Aparato y metodo para codificar una pluralidad de objetos de audio o aparato y metodo para decodificacion usando dos o mas objetos de audio relevantes. |
Country Status (10)
Country | Link |
---|---|
US (1) | US20230298602A1 (es) |
EP (1) | EP4229631A2 (es) |
JP (1) | JP2023546851A (es) |
KR (1) | KR20230088400A (es) |
AU (1) | AU2021359779A1 (es) |
CA (1) | CA3195301A1 (es) |
MX (1) | MX2023004247A (es) |
TW (1) | TWI825492B (es) |
WO (1) | WO2022079049A2 (es) |
ZA (1) | ZA202304332B (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024051955A1 (en) | 2022-09-09 | 2024-03-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and decoding method for discontinuous transmission of parametrically coded independent streams with metadata |
WO2024051954A1 (en) | 2022-09-09 | 2024-03-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder and encoding method for discontinuous transmission of parametrically coded independent streams with metadata |
WO2024073401A2 (en) * | 2022-09-30 | 2024-04-04 | Sonos, Inc. | Home theatre audio playback with multichannel satellite playback devices |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2992125C (en) * | 2004-03-01 | 2018-09-25 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters |
US7548853B2 (en) * | 2005-06-17 | 2009-06-16 | Shmunk Dmitry V | Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding |
RU2628162C2 (ru) * | 2010-01-12 | 2017-08-15 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф., | Аудио кодер, аудио декодер, способ кодирования и декодирования аудио информации и компьютерная программа, определяющая значение поддиапазона контекста на основе нормы ранее декодированных спектральных значений |
PL2532001T3 (pl) * | 2010-03-10 | 2014-09-30 | Fraunhofer Ges Forschung | Dekoder sygnału audio, koder sygnału audio, sposoby i program komputerowy wykorzystujące zależne od częstotliwości próbkowania kodowanie krzywej dopasowania czasowego |
ES2555579T3 (es) * | 2012-04-05 | 2016-01-05 | Huawei Technologies Co., Ltd | Codificador de audio multicanal y método para codificar una señal de audio multicanal |
EP2717262A1 (en) * | 2012-10-05 | 2014-04-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding |
EP2804176A1 (en) * | 2013-05-13 | 2014-11-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio object separation from mixture signal using object-specific time/frequency resolutions |
EP3975176A3 (en) * | 2017-10-04 | 2022-07-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for encoding, scene processing and other procedures related to dirac based spatial audio coding |
BR112021025265A2 (pt) | 2019-06-14 | 2022-03-15 | Fraunhofer Ges Forschung | Sintetizador de áudio, codificador de áudio, sistema, método e unidade de armazenamento não transitória |
-
2021
- 2021-10-12 AU AU2021359779A patent/AU2021359779A1/en active Pending
- 2021-10-12 TW TW110137741A patent/TWI825492B/zh active
- 2021-10-12 JP JP2023522519A patent/JP2023546851A/ja active Pending
- 2021-10-12 MX MX2023004247A patent/MX2023004247A/es unknown
- 2021-10-12 EP EP21790487.9A patent/EP4229631A2/en active Pending
- 2021-10-12 WO PCT/EP2021/078217 patent/WO2022079049A2/en active Application Filing
- 2021-10-12 CA CA3195301A patent/CA3195301A1/en active Pending
- 2021-10-12 KR KR1020237015888A patent/KR20230088400A/ko unknown
-
2023
- 2023-04-06 US US18/296,523 patent/US20230298602A1/en active Pending
- 2023-04-12 ZA ZA2023/04332A patent/ZA202304332B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CA3195301A1 (en) | 2022-04-21 |
WO2022079049A3 (en) | 2022-05-27 |
TWI825492B (zh) | 2023-12-11 |
TW202230336A (zh) | 2022-08-01 |
JP2023546851A (ja) | 2023-11-08 |
KR20230088400A (ko) | 2023-06-19 |
ZA202304332B (en) | 2023-12-20 |
WO2022079049A2 (en) | 2022-04-21 |
AU2021359779A9 (en) | 2024-07-04 |
US20230298602A1 (en) | 2023-09-21 |
EP4229631A2 (en) | 2023-08-23 |
AU2021359779A1 (en) | 2023-06-22 |
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