DE60219351D1 - Signaländerungsverfahren zur effizienten kodierung von sprachsignalen - Google Patents

Signaländerungsverfahren zur effizienten kodierung von sprachsignalen

Info

Publication number
DE60219351D1
DE60219351D1 DE60219351T DE60219351T DE60219351D1 DE 60219351 D1 DE60219351 D1 DE 60219351D1 DE 60219351 T DE60219351 T DE 60219351T DE 60219351 T DE60219351 T DE 60219351T DE 60219351 D1 DE60219351 D1 DE 60219351D1
Authority
DE
Germany
Prior art keywords
signal
sound signal
frame
previous frame
feature
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
DE60219351T
Other languages
English (en)
Other versions
DE60219351T2 (de
Inventor
Mikko Tammi
Milan Jelinek
Claude Laflamme
Vesa Ruoppila
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
VoiceAge 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 VoiceAge Corp filed Critical VoiceAge Corp
Application granted granted Critical
Publication of DE60219351D1 publication Critical patent/DE60219351D1/de
Publication of DE60219351T2 publication Critical patent/DE60219351T2/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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE60219351T 2001-12-14 2002-12-13 Signaländerungsverfahren zur effizienten kodierung von sprachsignalen Expired - Lifetime DE60219351T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA002365203A CA2365203A1 (en) 2001-12-14 2001-12-14 A signal modification method for efficient coding of speech signals
CA2365203 2001-12-14
PCT/CA2002/001948 WO2003052744A2 (en) 2001-12-14 2002-12-13 Signal modification method for efficient coding of speech signals

Publications (2)

Publication Number Publication Date
DE60219351D1 true DE60219351D1 (de) 2007-05-16
DE60219351T2 DE60219351T2 (de) 2007-08-02

Family

ID=4170862

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60219351T Expired - Lifetime DE60219351T2 (de) 2001-12-14 2002-12-13 Signaländerungsverfahren zur effizienten kodierung von sprachsignalen

Country Status (19)

Country Link
US (2) US7680651B2 (de)
EP (2) EP1758101A1 (de)
JP (1) JP2005513539A (de)
KR (1) KR20040072658A (de)
CN (2) CN101488345B (de)
AT (1) ATE358870T1 (de)
AU (1) AU2002350340B2 (de)
BR (1) BR0214920A (de)
CA (1) CA2365203A1 (de)
DE (1) DE60219351T2 (de)
ES (1) ES2283613T3 (de)
HK (2) HK1069472A1 (de)
MX (1) MXPA04005764A (de)
MY (1) MY131886A (de)
NO (1) NO20042974L (de)
NZ (1) NZ533416A (de)
RU (1) RU2302665C2 (de)
WO (1) WO2003052744A2 (de)
ZA (1) ZA200404625B (de)

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GB2466672B (en) 2009-01-06 2013-03-13 Skype Speech coding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
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GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
EP2211335A1 (de) * 2009-01-21 2010-07-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verfahren und Computerprogramm zum Erhalt eines Parameters, der eine Variation einer Signaleigenschaft eines Signals beschreibt
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
CN102292769B (zh) * 2009-02-13 2012-12-19 华为技术有限公司 一种立体声编码方法和装置
US20100225473A1 (en) * 2009-03-05 2010-09-09 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Postural information system and method
WO2010134759A2 (ko) 2009-05-19 2010-11-25 한국전자통신연구원 Mdct-tcx 프레임과 celp 프레임 간 연동을 위한 윈도우 처리 장치 및 윈도우 처리 방법
KR20110001130A (ko) * 2009-06-29 2011-01-06 삼성전자주식회사 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법
US8452606B2 (en) 2009-09-29 2013-05-28 Skype Speech encoding using multiple bit rates
EP2523189B1 (de) * 2010-01-08 2014-09-03 Nippon Telegraph And Telephone Corporation Kodierungsverfahren, dekodierungsverfahren, kodierungsvorrichtung, dekodierungsvorrichtung, programm und aufzeichnungsmedium
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Also Published As

Publication number Publication date
ATE358870T1 (de) 2007-04-15
US20090063139A1 (en) 2009-03-05
JP2005513539A (ja) 2005-05-12
MXPA04005764A (es) 2005-06-08
WO2003052744A3 (en) 2004-02-05
BR0214920A (pt) 2004-12-21
AU2002350340B2 (en) 2008-07-24
RU2302665C2 (ru) 2007-07-10
AU2002350340A1 (en) 2003-06-30
US7680651B2 (en) 2010-03-16
CA2365203A1 (en) 2003-06-14
DE60219351T2 (de) 2007-08-02
KR20040072658A (ko) 2004-08-18
ES2283613T3 (es) 2007-11-01
EP1454315A2 (de) 2004-09-08
HK1133730A1 (en) 2010-04-01
EP1758101A1 (de) 2007-02-28
EP1454315B1 (de) 2007-04-04
HK1069472A1 (en) 2005-05-20
WO2003052744A2 (en) 2003-06-26
NZ533416A (en) 2006-09-29
RU2004121463A (ru) 2006-01-10
CN1618093A (zh) 2005-05-18
CN101488345B (zh) 2013-07-24
ZA200404625B (en) 2006-05-31
MY131886A (en) 2007-09-28
US8121833B2 (en) 2012-02-21
US20050071153A1 (en) 2005-03-31
CN101488345A (zh) 2009-07-22
NO20042974L (no) 2004-09-14

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Owner name: NOKIA CORP., ESPOO, FI

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