PL4268374T3 - Zoptymalizowane kodowanie macierzy obrotu do kodowania wielokanałowego sygnału audio - Google Patents
Zoptymalizowane kodowanie macierzy obrotu do kodowania wielokanałowego sygnału audioInfo
- Publication number
- PL4268374T3 PL4268374T3 PL21848168.7T PL21848168T PL4268374T3 PL 4268374 T3 PL4268374 T3 PL 4268374T3 PL 21848168 T PL21848168 T PL 21848168T PL 4268374 T3 PL4268374 T3 PL 4268374T3
- Authority
- PL
- Poland
- Prior art keywords
- encoding
- audio signal
- optimised
- multichannel audio
- rotation matrices
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3082—Vector coding
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3068—Precoding preceding compression, e.g. Burrows-Wheeler transformation
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)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- User Interface Of Digital Computer (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2013954A FR3118266A1 (fr) | 2020-12-22 | 2020-12-22 | Codage optimisé de matrices de rotations pour le codage d’un signal audio multicanal |
| PCT/FR2021/052257 WO2022136760A1 (fr) | 2020-12-22 | 2021-12-09 | Codage optimise de matrices de rotations pour le codage d'un signal audio multicanal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL4268374T3 true PL4268374T3 (pl) | 2026-06-01 |
Family
ID=74669108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL21848168.7T PL4268374T3 (pl) | 2020-12-22 | 2021-12-09 | Zoptymalizowane kodowanie macierzy obrotu do kodowania wielokanałowego sygnału audio |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12505847B2 (pl) |
| EP (1) | EP4268374B1 (pl) |
| CN (1) | CN116670759A (pl) |
| ES (1) | ES3068043T3 (pl) |
| FR (1) | FR3118266A1 (pl) |
| PL (1) | PL4268374T3 (pl) |
| WO (1) | WO2022136760A1 (pl) |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7243064B2 (en) * | 2002-11-14 | 2007-07-10 | Verizon Business Global Llc | Signal processing of multi-channel data |
| FR2898725A1 (fr) * | 2006-03-15 | 2007-09-21 | France Telecom | Dispositif et procede de codage gradue d'un signal audio multi-canal selon une analyse en composante principale |
| US8126260B2 (en) * | 2007-05-29 | 2012-02-28 | Cognex Corporation | System and method for locating a three-dimensional object using machine vision |
| CN101582259B (zh) * | 2008-05-13 | 2012-05-09 | 华为技术有限公司 | 立体声信号编解码方法、装置及编解码系统 |
| CA2861420A1 (en) * | 2012-01-17 | 2013-07-25 | Sunnybrook Health Sciences Centre | Method for three-dimensional localization of an object from a two-dimensional medical image |
| US9384741B2 (en) * | 2013-05-29 | 2016-07-05 | Qualcomm Incorporated | Binauralization of rotated higher order ambisonics |
| US9466305B2 (en) * | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| CN103700372B (zh) * | 2013-12-30 | 2016-10-05 | 北京大学 | 一种基于正交解相关技术的参数立体声编码、解码方法 |
| US20150332682A1 (en) * | 2014-05-16 | 2015-11-19 | Qualcomm Incorporated | Spatial relation coding for higher order ambisonic coefficients |
| CN104347077B (zh) * | 2014-10-23 | 2018-01-16 | 清华大学 | 一种立体声编解码方法 |
| WO2017218973A1 (en) * | 2016-06-17 | 2017-12-21 | Edward Stein | Distance panning using near / far-field rendering |
| US9881647B2 (en) * | 2016-06-28 | 2018-01-30 | VideoStitch Inc. | Method to align an immersive video and an immersive sound field |
| EP3706119A1 (fr) | 2019-03-05 | 2020-09-09 | Orange | Codage audio spatialisé avec interpolation et quantification de rotations |
| GB2586214A (en) * | 2019-07-31 | 2021-02-17 | Nokia Technologies Oy | Quantization of spatial audio direction parameters |
| GB2586586A (en) * | 2019-08-16 | 2021-03-03 | Nokia Technologies Oy | Quantization of spatial audio direction parameters |
| US12706101B2 (en) * | 2020-12-02 | 2026-08-11 | Dolby Laboratories Licensing Corporation | Rotation of sound components for orientation-dependent coding schemes |
-
2020
- 2020-12-22 FR FR2013954A patent/FR3118266A1/fr not_active Withdrawn
-
2021
- 2021-12-09 PL PL21848168.7T patent/PL4268374T3/pl unknown
- 2021-12-09 EP EP21848168.7A patent/EP4268374B1/fr active Active
- 2021-12-09 WO PCT/FR2021/052257 patent/WO2022136760A1/fr not_active Ceased
- 2021-12-09 US US18/258,677 patent/US12505847B2/en active Active
- 2021-12-09 CN CN202180086083.9A patent/CN116670759A/zh active Pending
- 2021-12-09 ES ES21848168T patent/ES3068043T3/es active Active
Also Published As
| Publication number | Publication date |
|---|---|
| FR3118266A1 (fr) | 2022-06-24 |
| CN116670759A (zh) | 2023-08-29 |
| ES3068043T3 (es) | 2026-05-27 |
| WO2022136760A1 (fr) | 2022-06-30 |
| EP4268374B1 (fr) | 2026-01-28 |
| US12505847B2 (en) | 2025-12-23 |
| EP4268374A1 (fr) | 2023-11-01 |
| EP4268374C0 (fr) | 2026-01-28 |
| US20240137041A1 (en) | 2024-04-25 |