BR112015019711B1 - Método de decodificação em um sistema de processamento de áudio de múltiplos canais, decodificador para um sistema de processamento de áudio de múltiplos canais, método de codificação em um sistema de processamento de áudio de múltiplos canais e codificador para um sistema de processamento de áudio de múltiplos canais - Google Patents
Método de decodificação em um sistema de processamento de áudio de múltiplos canais, decodificador para um sistema de processamento de áudio de múltiplos canais, método de codificação em um sistema de processamento de áudio de múltiplos canais e codificador para um sistema de processamento de áudio de múltiplos canais Download PDFInfo
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- G—PHYSICS
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- 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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- 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
- 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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
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- G—PHYSICS
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- 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
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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
- G10L25/18—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 spectral information of each sub-band
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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
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
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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
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- Acoustics & Sound (AREA)
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| BR122022004784A BR122022004784B8 (pt) | 2013-04-05 | 2014-04-04 | Método de decodificação em um sistema de processamento de áudio de múltiplos canais e decodificador para um sistema de processamento de áudio de múltiplos canais |
| BR122021004537-2A BR122021004537B1 (pt) | 2013-04-05 | 2014-04-04 | Método de codificação para um sistema de processamento de áudio de múltiplos canais para codificar m canais, meio legível por computador e codificador para um sistema de processamento de áudio de múltiplos canais para codificar m canais |
| BR122017006819-9A BR122017006819B1 (pt) | 2013-04-05 | 2014-04-04 | Método para decodificar um período de tempo de um fluxo de bits de áudio codificado em um sistema de processamento de áudio, decodificador de áudio para decodificar um fluxo de bits de áudio codificado e meio legível por computador não transitório |
| BR122020017065-4A BR122020017065B1 (pt) | 2013-04-05 | 2014-04-04 | Método de decodificação em um sistema de processamento de áudio de múltiplos canais e decodificador para um sistema de processamento de áudio de múltiplos canais |
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| PCT/EP2014/056852 WO2014161992A1 (en) | 2013-04-05 | 2014-04-04 | Audio encoder and decoder |
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| BR122020017065-4A BR122020017065B1 (pt) | 2013-04-05 | 2014-04-04 | Método de decodificação em um sistema de processamento de áudio de múltiplos canais e decodificador para um sistema de processamento de áudio de múltiplos canais |
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| TWI546799B (zh) * | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
| CN105377961B (zh) | 2013-07-18 | 2018-12-14 | 巴斯夫欧洲公司 | 分散聚亚芳基醚溶液 |
| KR102244612B1 (ko) * | 2014-04-21 | 2021-04-26 | 삼성전자주식회사 | 무선 통신 시스템에서 음성 데이터를 송신 및 수신하기 위한 장치 및 방법 |
| EP2980795A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| EP3067886A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| KR102856247B1 (ko) | 2015-06-17 | 2025-09-04 | 삼성전자주식회사 | 저연산 포맷 변환을 위한 인터널 채널 처리 방법 및 장치 |
| MY196436A (en) | 2016-01-22 | 2023-04-11 | Fraunhofer Ges Forschung | Apparatus and Method for Encoding or Decoding a Multi-Channel Signal Using Frame Control Synchronization |
| US10146500B2 (en) * | 2016-08-31 | 2018-12-04 | Dts, Inc. | Transform-based audio codec and method with subband energy smoothing |
| US10354668B2 (en) * | 2017-03-22 | 2019-07-16 | Immersion Networks, Inc. | System and method for processing audio data |
| EP3588495A1 (en) * | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
| IL290684B2 (en) | 2019-09-03 | 2025-12-01 | Dolby Laboratories Licensing Corp | Low-latency, low-frequency effects codec |
| TWI882003B (zh) * | 2020-09-03 | 2025-05-01 | 美商杜拜研究特許公司 | 低延遲、低頻率效應之編碼解碼器 |
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