ATE358870T1 - Signaländerungsverfahren zur effizienten kodierung von sprachsignalen - Google Patents

Signaländerungsverfahren zur effizienten kodierung von sprachsignalen

Info

Publication number
ATE358870T1
ATE358870T1 AT02784985T AT02784985T ATE358870T1 AT E358870 T1 ATE358870 T1 AT E358870T1 AT 02784985 T AT02784985 T AT 02784985T AT 02784985 T AT02784985 T AT 02784985T AT E358870 T1 ATE358870 T1 AT E358870T1
Authority
AT
Austria
Prior art keywords
signal
sound signal
frame
previous frame
feature
Prior art date
Application number
AT02784985T
Other languages
English (en)
Inventor
Mikko Tammi
Milan Jelinek
Claude Laflamme
Vesa Ruoppila
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 ATE358870T1 publication Critical patent/ATE358870T1/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
    • G10L19/08—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)
AT02784985T 2001-12-14 2002-12-13 Signaländerungsverfahren zur effizienten kodierung von sprachsignalen ATE358870T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE358870T1 true ATE358870T1 (de) 2007-04-15

Family

ID=4170862

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02784985T ATE358870T1 (de) 2001-12-14 2002-12-13 Signaländerungsverfahren zur effizienten kodierung von sprachsignalen

Country Status (19)

Country Link
US (2) US7680651B2 (de)
EP (2) EP1454315B1 (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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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
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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
CN102687199B (zh) * 2010-01-08 2015-11-25 日本电信电话株式会社 编码方法、解码方法、编码装置、解码装置
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Also Published As

Publication number Publication date
JP2005513539A (ja) 2005-05-12
HK1133730A1 (en) 2010-04-01
RU2302665C2 (ru) 2007-07-10
EP1454315B1 (de) 2007-04-04
ES2283613T3 (es) 2007-11-01
CN101488345B (zh) 2013-07-24
CA2365203A1 (en) 2003-06-14
US20050071153A1 (en) 2005-03-31
DE60219351T2 (de) 2007-08-02
CN101488345A (zh) 2009-07-22
WO2003052744A3 (en) 2004-02-05
AU2002350340B2 (en) 2008-07-24
HK1069472A1 (en) 2005-05-20
EP1758101A1 (de) 2007-02-28
BR0214920A (pt) 2004-12-21
EP1454315A2 (de) 2004-09-08
NO20042974L (no) 2004-09-14
MY131886A (en) 2007-09-28
US7680651B2 (en) 2010-03-16
DE60219351D1 (de) 2007-05-16
CN1618093A (zh) 2005-05-18
RU2004121463A (ru) 2006-01-10
ZA200404625B (en) 2006-05-31
NZ533416A (en) 2006-09-29
MXPA04005764A (es) 2005-06-08
US8121833B2 (en) 2012-02-21
WO2003052744A2 (en) 2003-06-26
AU2002350340A1 (en) 2003-06-30
KR20040072658A (ko) 2004-08-18
US20090063139A1 (en) 2009-03-05

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