ATE336781T1 - Codierung von audiosignalen - Google Patents

Codierung von audiosignalen

Info

Publication number
ATE336781T1
ATE336781T1 AT03722975T AT03722975T ATE336781T1 AT E336781 T1 ATE336781 T1 AT E336781T1 AT 03722975 T AT03722975 T AT 03722975T AT 03722975 T AT03722975 T AT 03722975T AT E336781 T1 ATE336781 T1 AT E336781T1
Authority
AT
Austria
Prior art keywords
order
filter
audio signal
normalised
requirements
Prior art date
Application number
AT03722975T
Other languages
English (en)
Inventor
Brinker Albertus C Den
Original Assignee
Koninkl Philips Electronics Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE336781T1 publication Critical patent/ATE336781T1/de

Links

Classifications

    • 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
    • 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
    • G10L25/12—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 prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Cereal-Derived Products (AREA)
  • Complex Calculations (AREA)
AT03722975T 2002-05-30 2003-05-16 Codierung von audiosignalen ATE336781T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02077128 2002-05-30

Publications (1)

Publication Number Publication Date
ATE336781T1 true ATE336781T1 (de) 2006-09-15

Family

ID=29595018

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03722975T ATE336781T1 (de) 2002-05-30 2003-05-16 Codierung von audiosignalen

Country Status (9)

Country Link
US (1) US20050228656A1 (de)
EP (1) EP1514262B1 (de)
JP (1) JP4446883B2 (de)
KR (1) KR101038446B1 (de)
CN (1) CN100343895C (de)
AT (1) ATE336781T1 (de)
AU (1) AU2003230132A1 (de)
DE (1) DE60307634T2 (de)
WO (1) WO2003102922A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080015878A (ko) * 2005-05-25 2008-02-20 코닌클리케 필립스 일렉트로닉스 엔.브이. 복수 채널 신호의 예측 엔코딩
DE102006022346B4 (de) * 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
US8532985B2 (en) * 2010-12-03 2013-09-10 Microsoft Coporation Warped spectral and fine estimate audio encoding
TWI538000B (zh) * 2012-05-10 2016-06-11 杜比實驗室特許公司 多階段過濾器，音頻編碼器，音頻解碼器，施行多階段過濾的方法，用以編碼音頻資料的方法，用以將編碼音頻資料解碼的方法，及用以處理編碼位元流的方法和裝置
EP2745427B1 (de) * 2012-06-18 2017-12-27 Telefonaktiebolaget LM Ericsson (publ) Vorfilterung in einem mimo-empfänger
US9548056B2 (en) * 2012-12-19 2017-01-17 Dolby International Ab Signal adaptive FIR/IIR predictors for minimizing entropy
CN110349590B (zh) * 2014-01-24 2023-03-24 日本电信电话株式会社 线性预测分析装置、方法以及记录介质
CN109188069B (zh) * 2018-08-29 2020-08-28 广东石油化工学院 一种用于负载开关事件检测的脉冲噪声滤除方法
CN118136042B (zh) * 2024-05-10 2024-07-23 四川湖山电器股份有限公司 基于iir频谱拟合的频谱优化方法、系统、终端及介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493048A (en) * 1982-02-26 1985-01-08 Carnegie-Mellon University Systolic array apparatuses for matrix computations
US7423983B1 (en) * 1999-09-20 2008-09-09 Broadcom Corporation Voice and data exchange over a packet based network
JP2001134295A (ja) * 1999-08-23 2001-05-18 Sony Corp 符号化装置および符号化方法、記録装置および記録方法、送信装置および送信方法、復号化装置および符号化方法、再生装置および再生方法、並びに記録媒体
US6931373B1 (en) * 2001-02-13 2005-08-16 Hughes Electronics Corporation Prototype waveform phase modeling for a frequency domain interpolative speech codec system

Also Published As

Publication number Publication date
DE60307634T2 (de) 2007-08-09
EP1514262A1 (de) 2005-03-16
CN100343895C (zh) 2007-10-17
DE60307634D1 (de) 2006-09-28
EP1514262B1 (de) 2006-08-16
AU2003230132A1 (en) 2003-12-19
KR101038446B1 (ko) 2011-06-01
CN1656537A (zh) 2005-08-17
JP4446883B2 (ja) 2010-04-07
US20050228656A1 (en) 2005-10-13
WO2003102922A1 (en) 2003-12-11
JP2005528646A (ja) 2005-09-22
KR20050007574A (ko) 2005-01-19

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