JP5215994B2 - 損失エンコ−ドされたデータ列および無損失拡張データ列を用いた、原信号の無損失エンコードのための方法および装置 - Google Patents

損失エンコ−ドされたデータ列および無損失拡張データ列を用いた、原信号の無損失エンコードのための方法および装置 Download PDF

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JP5215994B2
JP5215994B2 JP2009508302A JP2009508302A JP5215994B2 JP 5215994 B2 JP5215994 B2 JP 5215994B2 JP 2009508302 A JP2009508302 A JP 2009508302A JP 2009508302 A JP2009508302 A JP 2009508302A JP 5215994 B2 JP5215994 B2 JP 5215994B2
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lossless
data sequence
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data
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JP2009536364A5 (enExample
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ヤクス，ペーター
ケイラー，フロリアン
ウーボルト，オリヴァー
コルドン，スヴェン
ベーム，ヨーハネス
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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)
JP2009508302A 2006-05-05 2007-04-18 損失エンコ−ドされたデータ列および無損失拡張データ列を用いた、原信号の無損失エンコードのための方法および装置 Expired - Fee Related JP5215994B2 (ja)

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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

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JP2009536364A JP2009536364A (ja) 2009-10-08
JP2009536364A5 JP2009536364A5 (enExample) 2010-06-17
JP5215994B2 true JP5215994B2 (ja) 2013-06-19

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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
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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
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
CN101432802B (zh) 2015-04-01

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