MX353997B - Método para decodificar y codificar una matriz de mezcla descendente, método para presentar contenidos de audio, codificador y decodificador para una matriz de mezcla descendente, codificador de audio y decodificador de audio. - Google Patents
Método para decodificar y codificar una matriz de mezcla descendente, método para presentar contenidos de audio, codificador y decodificador para una matriz de mezcla descendente, codificador de audio y decodificador de audio.Info
- Publication number
- MX353997B MX353997B MX2016004924A MX2016004924A MX353997B MX 353997 B MX353997 B MX 353997B MX 2016004924 A MX2016004924 A MX 2016004924A MX 2016004924 A MX2016004924 A MX 2016004924A MX 353997 B MX353997 B MX 353997B
- Authority
- MX
- Mexico
- Prior art keywords
- audio
- encoder
- decoder
- downmix matrix
- decoding
- Prior art date
Links
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
- G10L19/04—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
-
- 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
- G10L19/005—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
- G10L19/02—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
- G10L19/0204—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 subband decomposition
-
- 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
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
-
- 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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
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)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20130189770 EP2866227A1 (en) | 2013-10-22 | 2013-10-22 | 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 |
| PCT/EP2014/071929 WO2015058991A1 (en) | 2013-10-22 | 2014-10-13 | 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2016004924A MX2016004924A (es) | 2016-07-11 |
| MX353997B true MX353997B (es) | 2018-02-07 |
Family
ID=49474267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2016004924A MX353997B (es) | 2013-10-22 | 2014-10-13 | Método para decodificar y codificar una matriz de mezcla descendente, método para presentar contenidos de audio, codificador y decodificador para una matriz de mezcla descendente, codificador de audio y decodificador de audio. |
Country Status (19)
| Country | Link |
|---|---|
| US (6) | US9947326B2 (https=) |
| EP (2) | EP2866227A1 (https=) |
| JP (1) | JP6313439B2 (https=) |
| KR (1) | KR101798348B1 (https=) |
| CN (2) | CN110675882B (https=) |
| AR (1) | AR098152A1 (https=) |
| AU (1) | AU2014339167B2 (https=) |
| BR (1) | BR112016008787B1 (https=) |
| CA (1) | CA2926986C (https=) |
| ES (1) | ES2655046T3 (https=) |
| MX (1) | MX353997B (https=) |
| MY (1) | MY176779A (https=) |
| PL (1) | PL3061087T3 (https=) |
| PT (1) | PT3061087T (https=) |
| RU (1) | RU2648588C2 (https=) |
| SG (1) | SG11201603089VA (https=) |
| TW (1) | TWI571866B (https=) |
| WO (1) | WO2015058991A1 (https=) |
| ZA (1) | ZA201603298B (https=) |
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| EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| 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 |
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| CN107787509B (zh) * | 2015-06-17 | 2022-02-08 | 三星电子株式会社 | 处理低复杂度格式转换的内部声道的方法和设备 |
| JP6921832B2 (ja) * | 2016-02-03 | 2021-08-18 | ドルビー・インターナショナル・アーベー | オーディオ符号化における効率的なフォーマット変換 |
| EP3453190A4 (en) | 2016-05-06 | 2020-01-15 | DTS, Inc. | SYSTEMS FOR IMMERSIVE AUDIO PLAYBACK |
| WO2018055860A1 (ja) * | 2016-09-20 | 2018-03-29 | ソニー株式会社 | 情報処理装置と情報処理方法およびプログラム |
| US10075789B2 (en) * | 2016-10-11 | 2018-09-11 | Dts, Inc. | Gain phase equalization (GPEQ) filter and tuning methods for asymmetric transaural audio reproduction |
| CN117037805B (zh) * | 2017-01-10 | 2025-11-07 | 弗劳恩霍夫应用研究促进协会 | 音频解码器和编码器、提供解码的音频信号的方法、提供编码的音频信号的方法、使用流标识符的音频流、音频流提供器和计算机程序 |
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| US10979844B2 (en) * | 2017-03-08 | 2021-04-13 | Dts, Inc. | Distributed audio virtualization systems |
| CN110800048B (zh) * | 2017-05-09 | 2023-07-28 | 杜比实验室特许公司 | 多通道空间音频格式输入信号的处理 |
| WO2019004524A1 (ko) * | 2017-06-27 | 2019-01-03 | 엘지전자 주식회사 | 6자유도 환경에서 오디오 재생 방법 및 오디오 재생 장치 |
| JP7222668B2 (ja) * | 2017-11-17 | 2023-02-15 | 日本放送協会 | 音響処理装置及びプログラム |
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| GB2571572A (en) * | 2018-03-02 | 2019-09-04 | Nokia Technologies Oy | Audio processing |
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| US11929082B2 (en) | 2018-11-02 | 2024-03-12 | Dolby International Ab | Audio encoder and an audio decoder |
| GB2582749A (en) | 2019-03-28 | 2020-10-07 | Nokia Technologies Oy | Determination of the significance of spatial audio parameters and associated encoding |
| MX2021015314A (es) * | 2019-06-14 | 2022-02-03 | Fraunhofer Ges Forschung | Codificacion y decodificacion de parametros. |
| EP4014236B1 (en) | 2019-08-15 | 2023-03-22 | Dolby Laboratories Licensing Corporation | Methods and devices for generation and processing of modified bitstreams |
| CN120656467A (zh) | 2019-08-15 | 2025-09-16 | 杜比国际公司 | 用于生成和处理经修改的音频比特流的方法和设备 |
| WO2021041623A1 (en) * | 2019-08-30 | 2021-03-04 | Dolby Laboratories Licensing Corporation | Channel identification of multi-channel audio signals |
| EP3809709A1 (en) * | 2019-10-14 | 2021-04-21 | Koninklijke Philips N.V. | Apparatus and method for audio encoding |
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