ATE381091T1 - Erzeugung von lsf-vektoren - Google Patents

Erzeugung von lsf-vektoren

Info

Publication number
ATE381091T1
ATE381091T1 AT02807256T AT02807256T ATE381091T1 AT E381091 T1 ATE381091 T1 AT E381091T1 AT 02807256 T AT02807256 T AT 02807256T AT 02807256 T AT02807256 T AT 02807256T AT E381091 T1 ATE381091 T1 AT E381091T1
Authority
AT
Austria
Prior art keywords
lsf
vectors
lpcs
tracks
low pass
Prior art date
Application number
AT02807256T
Other languages
English (en)
Inventor
Khaldoon Al-Naimi
Stephane Villette
Ahmet Kondoz
Original Assignee
Nokia Corp
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 Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE381091T1 publication Critical patent/ATE381091T1/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
    • 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)
  • Apparatus For Radiation Diagnosis (AREA)
  • Control Of Eletrric Generators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Amplifiers (AREA)
AT02807256T 2002-04-22 2002-04-22 Erzeugung von lsf-vektoren ATE381091T1 (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 (1)

Publication Number Publication Date
ATE381091T1 true ATE381091T1 (de) 2007-12-15

Family

ID=29227359

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02807256T ATE381091T1 (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
CA2717584C (en) * 2008-03-04 2015-05-12 Lg Electronics Inc. Method and apparatus for processing an audio signal
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
WO2012144878A2 (en) 2011-04-21 2012-10-26 Samsung Electronics Co., Ltd. Method of quantizing linear predictive coding coefficients, sound encoding method, method of de-quantizing linear predictive coding coefficients, sound decoding method, and recording medium
MX2013012301A (es) 2011-04-21 2013-12-06 Samsung Electronics Co Ltd Aparato para cuantificar coeficientes de codificacion predictiva lineal, aparato de codificacion de sonido, aparato para decuantificar coeficientes de codificacion predictiva lineal, aparato de decodificacion de sonido y dispositivo electronico para los mismos.

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
CN1312463C (zh) 2007-04-25
AU2002307889A1 (en) 2003-11-03
EP1497631A1 (de) 2005-01-19
DE60224100D1 (de) 2008-01-24
US7493255B2 (en) 2009-02-17
EP1497631B1 (de) 2007-12-12
CN1625681A (zh) 2005-06-08
US20040006463A1 (en) 2004-01-08
WO2003089892A1 (en) 2003-10-30
KR100914220B1 (ko) 2009-08-26
KR20040102152A (ko) 2004-12-03
DE60224100T2 (de) 2008-12-04

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