ATE378676T1 - Audiokodierung - Google Patents

Audiokodierung

Info

Publication number
ATE378676T1
ATE378676T1 AT05744005T AT05744005T ATE378676T1 AT E378676 T1 ATE378676 T1 AT E378676T1 AT 05744005 T AT05744005 T AT 05744005T AT 05744005 T AT05744005 T AT 05744005T AT E378676 T1 ATE378676 T1 AT E378676T1
Authority
AT
Austria
Prior art keywords
quality
encoder
constructing
mixing
sinusoidal
Prior art date
Application number
AT05744005T
Other languages
English (en)
Inventor
Brinker Albertus Den
Andreas Gerrits
Palou Felipe Riera
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 ATE378676T1 publication Critical patent/ATE378676T1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Cereal-Derived Products (AREA)
AT05744005T 2004-06-08 2005-06-03 Audiokodierung ATE378676T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04102576 2004-06-08

Publications (1)

Publication Number Publication Date
ATE378676T1 true ATE378676T1 (de) 2007-11-15

Family

ID=34969304

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05744005T ATE378676T1 (de) 2004-06-08 2005-06-03 Audiokodierung

Country Status (7)

Country Link
US (1) US20080312915A1 (de)
EP (1) EP1756807B1 (de)
JP (1) JP2008502022A (de)
CN (1) CN1965352B (de)
AT (1) ATE378676T1 (de)
DE (1) DE602005003358T2 (de)
WO (1) WO2005122146A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1905008A2 (de) * 2005-07-06 2008-04-02 Koninklijke Philips Electronics N.V. Parametrische multikanal-dekodierung
WO2007043643A1 (ja) * 2005-10-14 2007-04-19 Matsushita Electric Industrial Co., Ltd. 音声符号化装置、音声復号装置、音声符号化方法、及び音声復号化方法
JP4707623B2 (ja) * 2006-07-21 2011-06-22 富士通東芝モバイルコミュニケーションズ株式会社 情報処理装置
KR20080073925A (ko) * 2007-02-07 2008-08-12 삼성전자주식회사 파라메트릭 부호화된 오디오 신호를 복호화하는 방법 및장치
KR101413967B1 (ko) 2008-01-29 2014-07-01 삼성전자주식회사 오디오 신호의 부호화 방법 및 복호화 방법, 및 그에 대한 기록 매체, 오디오 신호의 부호화 장치 및 복호화 장치
KR101441897B1 (ko) * 2008-01-31 2014-09-23 삼성전자주식회사 잔차 신호 부호화 방법 및 장치와 잔차 신호 복호화 방법및 장치
US8190440B2 (en) * 2008-02-29 2012-05-29 Broadcom Corporation Sub-band codec with native voice activity detection
CN102460574A (zh) * 2009-05-19 2012-05-16 韩国电子通信研究院 用于使用层级正弦脉冲编码对音频信号进行编码和解码的方法和设备
EP2631905A4 (de) * 2010-10-18 2014-04-30 Panasonic Corp Vorrichtung zur tonkodierung und tondekodierung
PT3555885T (pt) * 2016-12-16 2020-07-20 Ericsson Telefon Ab L M Métodos, codificador e descodificador para processar coeficientes de representação de envelope
EP3671741A1 (de) 2018-12-21 2020-06-24 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Audioprozessor und verfahren zum erzeugen eines frequenzverbesserten audiosignals mittels impulsverarbeitung
JP7491395B2 (ja) * 2020-11-05 2024-05-28 日本電信電話株式会社 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
JPH05265492A (ja) * 1991-03-27 1993-10-15 Oki Electric Ind Co Ltd コード励振線形予測符号化器及び復号化器
JP3348759B2 (ja) * 1995-09-26 2002-11-20 日本電信電話株式会社 変換符号化方法および変換復号化方法
JPH1020888A (ja) * 1996-07-02 1998-01-23 Matsushita Electric Ind Co Ltd 音声符号化・復号化装置
JP3464371B2 (ja) * 1996-11-15 2003-11-10 ノキア モービル フォーンズ リミテッド 不連続伝送中に快適雑音を発生させる改善された方法
US6016111A (en) * 1997-07-31 2000-01-18 Samsung Electronics Co., Ltd. Digital data coding/decoding method and apparatus
US6446037B1 (en) * 1999-08-09 2002-09-03 Dolby Laboratories Licensing Corporation Scalable coding method for high quality audio
ATE369600T1 (de) * 2000-03-15 2007-08-15 Koninkl Philips Electronics Nv Laguerre funktion für audiokodierung
US6996522B2 (en) * 2001-03-13 2006-02-07 Industrial Technology Research Institute Celp-Based speech coding for fine grain scalability by altering sub-frame pitch-pulse
KR100908114B1 (ko) * 2002-03-09 2009-07-16 삼성전자주식회사 스케일러블 무손실 오디오 부호화/복호화 장치 및 그 방법

Also Published As

Publication number Publication date
US20080312915A1 (en) 2008-12-18
CN1965352A (zh) 2007-05-16
DE602005003358D1 (de) 2007-12-27
JP2008502022A (ja) 2008-01-24
CN1965352B (zh) 2011-05-25
EP1756807A1 (de) 2007-02-28
DE602005003358T2 (de) 2008-09-11
EP1756807B1 (de) 2007-11-14
WO2005122146A1 (en) 2005-12-22

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