KR101404335B1 - 오디오 소스 신호에 대한 손실 엔코드된 데이터 스트림과 무손실 확장 데이터 스트림으로부터 오디오 소스 신호에 대한 무손실 엔코드된 데이터 스트림을 생성하거나 상기 엔코드된 데이터 스트림을 디코딩하기 위한 방법 및 장치 - Google Patents

오디오 소스 신호에 대한 손실 엔코드된 데이터 스트림과 무손실 확장 데이터 스트림으로부터 오디오 소스 신호에 대한 무손실 엔코드된 데이터 스트림을 생성하거나 상기 엔코드된 데이터 스트림을 디코딩하기 위한 방법 및 장치 Download PDF

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KR101404335B1
KR101404335B1 KR1020087027032A KR20087027032A KR101404335B1 KR 101404335 B1 KR101404335 B1 KR 101404335B1 KR 1020087027032 A KR1020087027032 A KR 1020087027032A KR 20087027032 A KR20087027032 A KR 20087027032A KR 101404335 B1 KR101404335 B1 KR 101404335B1
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signal
lossy
lossless
data stream
decoded
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KR20090007395A (ko
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요하네스 보흠
피터 잭스
플로리안 케일러
올리버 우볼트
스벤 코르돈
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톰슨 라이센싱
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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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
KR1020087027032A 2006-05-05 2007-04-18 오디오 소스 신호에 대한 손실 엔코드된 데이터 스트림과 무손실 확장 데이터 스트림으로부터 오디오 소스 신호에 대한 무손실 엔코드된 데이터 스트림을 생성하거나 상기 엔코드된 데이터 스트림을 디코딩하기 위한 방법 및 장치 Expired - Fee Related KR101404335B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06113576.0 2006-05-05
EP06113576A EP1852848A1 (en) 2006-05-05 2006-05-05 Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
PCT/EP2007/053783 WO2007128661A1 (en) 2006-05-05 2007-04-18 Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream

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KR20090007395A KR20090007395A (ko) 2009-01-16
KR101404335B1 true KR101404335B1 (ko) 2014-06-09

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KR (1) KR101404335B1 (enExample)
CN (1) CN101432610B (enExample)
AT (1) ATE459868T1 (enExample)
BR (1) BRPI0711190B1 (enExample)
DE (1) DE602007005119D1 (enExample)
WO (1) WO2007128661A1 (enExample)

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EP2770642B1 (en) * 2013-02-26 2022-10-05 Tata Consultancy Services Limited Systems and methods for data archival
EP2830056A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
US9292584B1 (en) * 2014-12-27 2016-03-22 Ascava, Inc. Efficient data communication based on lossless reduction of data by deriving data from prime data elements resident in a content-associative sieve
US10431242B1 (en) * 2017-11-02 2019-10-01 Gopro, Inc. Systems and methods for identifying speech based on spectral features
EP3711047B1 (en) 2017-11-17 2022-10-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions
CN109887515B (zh) * 2019-01-29 2021-07-09 北京市商汤科技开发有限公司 音频处理方法及装置、电子设备和存储介质
BR112022000230A2 (pt) 2019-08-01 2022-02-22 Dolby Laboratories Licensing Corp Codificação e decodificação de fluxos de bits de ivas
CN115472171B (zh) * 2021-06-11 2024-11-22 华为技术有限公司 编解码方法、装置、设备、存储介质及计算机程序
CN118522296A (zh) * 2023-02-17 2024-08-20 华为技术有限公司 有损编解码器和无损编解码器之间的切换方法和装置

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JP2009536363A (ja) 2009-10-08
EP1852848A1 (en) 2007-11-07
CN101432610B (zh) 2011-11-23
US20090164226A1 (en) 2009-06-25
EP2016383A1 (en) 2009-01-21
BRPI0711190A2 (pt) 2011-08-23
WO2007128661A1 (en) 2007-11-15
DE602007005119D1 (de) 2010-04-15
JP5135330B2 (ja) 2013-02-06
KR20090007395A (ko) 2009-01-16
CN101432610A (zh) 2009-05-13
ATE459868T1 (de) 2010-03-15
BRPI0711190B1 (pt) 2018-01-30
EP2016383B1 (en) 2010-03-03
US8428941B2 (en) 2013-04-23

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