PL3425633T3 - Wielokanałowy dekoder audio, wielokanałowy koder audio, sposoby i program komputerowy wykorzystujące oparte o sygnał resztkowy dostosowanie wkładu sygnału dekorelowanego - Google Patents
Wielokanałowy dekoder audio, wielokanałowy koder audio, sposoby i program komputerowy wykorzystujące oparte o sygnał resztkowy dostosowanie wkładu sygnału dekorelowanegoInfo
- Publication number
- PL3425633T3 PL3425633T3 PL18182535T PL18182535T PL3425633T3 PL 3425633 T3 PL3425633 T3 PL 3425633T3 PL 18182535 T PL18182535 T PL 18182535T PL 18182535 T PL18182535 T PL 18182535T PL 3425633 T3 PL3425633 T3 PL 3425633T3
- Authority
- PL
- Poland
- Prior art keywords
- channel audio
- signal
- contribution
- residual
- methods
- Prior art date
Links
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method 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
-
- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- 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
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- 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
- H04S2420/07—Synergistic effects of band splitting and sub-band processing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177375 | 2013-07-22 | ||
| EP13189309.1A EP2830053A1 (en) | 2013-07-22 | 2013-10-18 | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| EP14739486.0A EP3025331B1 (en) | 2013-07-22 | 2014-07-17 | Multi-channel audio decoder, method and computer program using an adjustment of a contribution of a decorrelated signal |
| PCT/EP2014/065416 WO2015011020A1 (en) | 2013-07-22 | 2014-07-17 | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| EP18182535.7A EP3425633B1 (en) | 2013-07-22 | 2014-07-17 | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3425633T3 true PL3425633T3 (pl) | 2020-10-19 |
Family
ID=48808223
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL14739486T PL3025331T3 (pl) | 2013-07-22 | 2014-07-17 | Wielokanałowy dekoder audio, sposób i program komputerowy używające regulacji wkładu sygnału dekorelowanego |
| PL19203059.1T PL3660844T3 (pl) | 2013-07-22 | 2014-07-17 | Wielokanałowy dekoder audio, wielokanałowy enkoder audio, sposoby i program komputerowy wykorzystujące oparte o sygnał resztkowy dostosowanie wkładu sygnału dekorelowanego |
| PL18182535T PL3425633T3 (pl) | 2013-07-22 | 2014-07-17 | Wielokanałowy dekoder audio, wielokanałowy koder audio, sposoby i program komputerowy wykorzystujące oparte o sygnał resztkowy dostosowanie wkładu sygnału dekorelowanego |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL14739486T PL3025331T3 (pl) | 2013-07-22 | 2014-07-17 | Wielokanałowy dekoder audio, sposób i program komputerowy używające regulacji wkładu sygnału dekorelowanego |
| PL19203059.1T PL3660844T3 (pl) | 2013-07-22 | 2014-07-17 | Wielokanałowy dekoder audio, wielokanałowy enkoder audio, sposoby i program komputerowy wykorzystujące oparte o sygnał resztkowy dostosowanie wkładu sygnału dekorelowanego |
Country Status (19)
| Country | Link |
|---|---|
| US (4) | US10839812B2 (pl) |
| EP (5) | EP2830053A1 (pl) |
| JP (5) | JP6253776B2 (pl) |
| KR (2) | KR101893016B1 (pl) |
| CN (2) | CN110895944A (pl) |
| AR (1) | AR097013A1 (pl) |
| AU (3) | AU2014295212B2 (pl) |
| BR (3) | BR122022015747B1 (pl) |
| CA (2) | CA2918864C (pl) |
| ES (3) | ES2798137T3 (pl) |
| MX (3) | MX361809B (pl) |
| MY (2) | MY192214A (pl) |
| PL (3) | PL3025331T3 (pl) |
| PT (2) | PT3425633T (pl) |
| RU (1) | RU2676233C2 (pl) |
| SG (3) | SG10201708209WA (pl) |
| TW (1) | TWI566234B (pl) |
| WO (1) | WO2015011020A1 (pl) |
| ZA (1) | ZA201601081B (pl) |
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| EP2830053A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| JP6186503B2 (ja) * | 2013-10-03 | 2017-08-23 | ドルビー ラボラトリーズ ライセンシング コーポレイション | アップミキサーにおける適応的な拡散性信号生成 |
| EP3061089B1 (en) * | 2013-10-21 | 2018-01-17 | Dolby International AB | Parametric reconstruction of audio signals |
| US10225675B2 (en) | 2015-02-17 | 2019-03-05 | Electronics And Telecommunications Research Institute | Multichannel signal processing method, and multichannel signal processing apparatus for performing the method |
| FR3045915A1 (fr) * | 2015-12-16 | 2017-06-23 | Orange | Traitement de reduction de canaux adaptatif pour le codage d'un signal audio multicanal |
| EP4531438A3 (en) * | 2017-07-28 | 2025-04-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
| CN117198302A (zh) | 2017-08-10 | 2023-12-08 | 华为技术有限公司 | 时域立体声参数的编码方法和相关产品 |
| US10535357B2 (en) * | 2017-10-05 | 2020-01-14 | Qualcomm Incorporated | Encoding or decoding of audio signals |
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| CN110060696B (zh) * | 2018-01-19 | 2021-06-15 | 腾讯科技（深圳）有限公司 | 混音方法及装置、终端及可读存储介质 |
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| CN110556116B (zh) | 2018-05-31 | 2021-10-22 | 华为技术有限公司 | 计算下混信号和残差信号的方法和装置 |
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| IL286761B (en) * | 2010-04-09 | 2022-09-01 | Dolby Int Ab | An uplink mixer is active in predictive or non-predictive mode |
| PL3779981T3 (pl) | 2010-04-13 | 2023-10-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Koder audio lub wideo, dekoder audio lub wideo i powiązane sposoby przetwarzania wielokanałowych sygnałów audio lub wideo z wykorzystaniem zmiennego kierunku predykcji |
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