DE60224100D1 - Erzeugung von lsf-vektoren - Google Patents

Erzeugung von lsf-vektoren

Info

Publication number
DE60224100D1
DE60224100D1 DE60224100T DE60224100T DE60224100D1 DE 60224100 D1 DE60224100 D1 DE 60224100D1 DE 60224100 T DE60224100 T DE 60224100T DE 60224100 T DE60224100 T DE 60224100T DE 60224100 D1 DE60224100 D1 DE 60224100D1
Authority
DE
Germany
Prior art keywords
lsf
vectors
lpcs
tracks
low pass
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60224100T
Other languages
English (en)
Other versions
DE60224100T2 (de
Inventor
Khaldoon Taha Al-Naimi
Stephane Villette
Ahmet Kondoz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of DE60224100D1 publication Critical patent/DE60224100D1/de
Application granted granted Critical
Publication of DE60224100T2 publication Critical patent/DE60224100T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Amplifiers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Control Of Eletrric Generators (AREA)
DE60224100T 2002-04-22 2002-04-22 Erzeugung von lsf-vektoren Expired - Lifetime DE60224100T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2002/001305 WO2003089892A1 (en) 2002-04-22 2002-04-22 Generating lsf vectors

Publications (2)

Publication Number Publication Date
DE60224100D1 true DE60224100D1 (de) 2008-01-24
DE60224100T2 DE60224100T2 (de) 2008-12-04

Family

ID=29227359

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60224100T Expired - Lifetime DE60224100T2 (de) 2002-04-22 2002-04-22 Erzeugung von lsf-vektoren

Country Status (8)

Country Link
US (1) US7493255B2 (de)
EP (1) EP1497631B1 (de)
KR (1) KR100914220B1 (de)
CN (1) CN1312463C (de)
AT (1) ATE381091T1 (de)
AU (1) AU2002307889A1 (de)
DE (1) DE60224100T2 (de)
WO (1) WO2003089892A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3947969B2 (ja) * 2002-05-15 2007-07-25 ソニー株式会社 画像処理装置、および画像処理方法、記録媒体、並びにプログラム
US7831420B2 (en) * 2006-04-04 2010-11-09 Qualcomm Incorporated Voice modifier for speech processing systems
CN101145345B (zh) * 2006-09-13 2011-02-09 华为技术有限公司 音频分类方法
CN101149927B (zh) * 2006-09-18 2011-05-04 展讯通信（上海）有限公司 在线性预测分析中确定isf参数的方法
US8886612B2 (en) * 2007-10-04 2014-11-11 Core Wireless Licensing S.A.R.L. Method, apparatus and computer program product for providing improved data compression
ES2464722T3 (es) * 2008-03-04 2014-06-03 Lg Electronics Inc. Método y aparato para procesar una señal de audio
KR101747917B1 (ko) 2010-10-18 2017-06-15 삼성전자주식회사 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법
CN102072789B (zh) * 2010-11-03 2012-05-23 西南交通大学 一种地面测试铁道车辆轮轨力的连续化处理方法
RU2606552C2 (ru) 2011-04-21 2017-01-10 Самсунг Электроникс Ко., Лтд. Устройство для квантования коэффициентов кодирования с линейным предсказанием, устройство кодирования звука, устройство для деквантования коэффициентов кодирования с линейным предсказанием, устройство декодирования звука и электронное устройство для этого
EP2700173A4 (de) 2011-04-21 2014-05-28 Samsung Electronics Co Ltd Verfahren zur quantifizierung von linearen prädiktiven kodierungskoeffizienten, schallkodierungsverfahren, verfahren zur dequantifizierung von linearen prädiktiven kodierungskoeffizienten und aufzeichnungsmedium

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5784532A (en) * 1994-02-16 1998-07-21 Qualcomm Incorporated Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system
US5675701A (en) * 1995-04-28 1997-10-07 Lucent Technologies Inc. Speech coding parameter smoothing method
KR100198476B1 (ko) * 1997-04-23 1999-06-15 윤종용 노이즈에 견고한 스펙트럼 포락선 양자화기 및 양자화 방법
US6081776A (en) * 1998-07-13 2000-06-27 Lockheed Martin Corp. Speech coding system and method including adaptive finite impulse response filter
WO2000011649A1 (en) * 1998-08-24 2000-03-02 Conexant Systems, Inc. Speech encoder using a classifier for smoothing noise coding
FI118242B (fi) * 2000-09-19 2007-08-31 Nokia Corp Puhekehyksen käsitteleminen radiojärjestelmässä

Also Published As

Publication number Publication date
ATE381091T1 (de) 2007-12-15
CN1312463C (zh) 2007-04-25
US7493255B2 (en) 2009-02-17
KR20040102152A (ko) 2004-12-03
CN1625681A (zh) 2005-06-08
EP1497631B1 (de) 2007-12-12
EP1497631A1 (de) 2005-01-19
WO2003089892A1 (en) 2003-10-30
AU2002307889A1 (en) 2003-11-03
US20040006463A1 (en) 2004-01-08
DE60224100T2 (de) 2008-12-04
KR100914220B1 (ko) 2009-08-26

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