CN101432802B - 使用有损编码的数据流和无损扩展数据流对源信号进行无损编码的方法以及设备 - Google Patents

使用有损编码的数据流和无损扩展数据流对源信号进行无损编码的方法以及设备 Download PDF

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Publication number
CN101432802B
CN101432802B CN200780015604.1A CN200780015604A CN101432802B CN 101432802 B CN101432802 B CN 101432802B CN 200780015604 A CN200780015604 A CN 200780015604A CN 101432802 B CN101432802 B CN 101432802B
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data stream
lossless
signal
coding
lossy
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CN101432802A (zh
Inventor
彼得·杰克斯
弗洛里安·凯勒
奥利弗·乌伯特
斯文·科登
约翰尼斯·伯姆
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Thomson Licensing SAS
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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
    • 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
    • G10L19/04—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN200780015604.1A 2006-05-05 2007-04-18 使用有损编码的数据流和无损扩展数据流对源信号进行无损编码的方法以及设备 Expired - Fee Related CN101432802B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06113596A EP1852849A1 (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
EP06113596.8 2006-05-05
PCT/EP2007/053784 WO2007128662A1 (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

Publications (2)

Publication Number Publication Date
CN101432802A CN101432802A (zh) 2009-05-13
CN101432802B true CN101432802B (zh) 2015-04-01

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CN200780015604.1A Expired - Fee Related CN101432802B (zh) 2006-05-05 2007-04-18 使用有损编码的数据流和无损扩展数据流对源信号进行无损编码的方法以及设备

Country Status (8)

Country Link
US (1) US8326618B2 (enExample)
EP (3) EP1852849A1 (enExample)
JP (1) JP5215994B2 (enExample)
KR (1) KR101473016B1 (enExample)
CN (1) CN101432802B (enExample)
BR (1) BRPI0711272A2 (enExample)
PT (1) PT2016583E (enExample)
WO (1) WO2007128662A1 (enExample)

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US20090198500A1 (en) * 2007-08-24 2009-08-06 Qualcomm Incorporated Temporal masking in audio coding based on spectral dynamics in frequency sub-bands
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
WO2009081315A1 (en) * 2007-12-18 2009-07-02 Koninklijke Philips Electronics N.V. Encoding and decoding audio or speech
PL2352147T3 (pl) * 2008-07-11 2014-02-28 Fraunhofer Ges Forschung Urządzenie i sposób kodowania sygnału audio
MY153594A (en) 2008-07-11 2015-02-27 Fraunhofer Ges Forschung An apparatus and a method for calculating a number of spectral envelopes
WO2012070232A1 (ja) 2010-11-26 2012-05-31 日本電気株式会社 映像符号化装置、映像復号装置、映像符号化方法、映像復号方法及びプログラム
FI3518234T3 (fi) 2010-11-22 2023-12-14 Ntt Docomo Inc Audiokoodauslaite ja -menetelmä
CN102446509B (zh) * 2011-11-22 2014-04-09 中兴通讯股份有限公司 增强抗丢包的音频编解码方法及系统
GB201210373D0 (en) 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension
CN106941004B (zh) 2012-07-13 2021-05-18 华为技术有限公司 音频信号的比特分配的方法和装置
EP2830055A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Context-based entropy coding of sample values of a spectral envelope
CN111179946B (zh) 2013-09-13 2023-10-13 三星电子株式会社 无损编码方法和无损解码方法
US9779739B2 (en) 2014-03-20 2017-10-03 Dts, Inc. Residual encoding in an object-based audio system
CA2945791A1 (en) * 2014-04-17 2015-10-22 Audimax, Llc Systems, methods and devices for electronic communications having decreased information loss
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
GB2624686B (en) * 2022-11-25 2025-07-23 Lenbrook Industries Ltd Improvements to audio coding
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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Also Published As

Publication number Publication date
US20090177478A1 (en) 2009-07-09
EP1852849A1 (en) 2007-11-07
US8326618B2 (en) 2012-12-04
EP2016583B1 (en) 2012-08-15
KR101473016B1 (ko) 2014-12-15
WO2007128662A1 (en) 2007-11-15
PT2016583E (pt) 2012-09-25
EP2453437A2 (en) 2012-05-16
JP5215994B2 (ja) 2013-06-19
CN101432802A (zh) 2009-05-13
EP2016583A1 (en) 2009-01-21
BRPI0711272A2 (pt) 2011-11-08
JP2009536364A (ja) 2009-10-08
KR20090007396A (ko) 2009-01-16
EP2453437A3 (en) 2012-07-18

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