ZA200302778B - Improved spectral parameter substitution for the frame error concealment in a speech decoder. - Google Patents

Improved spectral parameter substitution for the frame error concealment in a speech decoder. Download PDF

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Publication number
ZA200302778B
ZA200302778B ZA200302778A ZA200302778A ZA200302778B ZA 200302778 B ZA200302778 B ZA 200302778B ZA 200302778 A ZA200302778 A ZA 200302778A ZA 200302778 A ZA200302778 A ZA 200302778A ZA 200302778 B ZA200302778 B ZA 200302778B
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ZA
South Africa
Prior art keywords
lsf
frame
mean
good
isf
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ZA200302778A
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English (en)
Inventor
Jari Maekinen
Janne Vainio
Hannu J Mikkola
Jani Rotola-Pukkila
Original Assignee
Nokia Corp
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22915004&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA200302778(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Corp filed Critical Nokia Corp
Publication of ZA200302778B publication Critical patent/ZA200302778B/en

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    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals

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)
  • Detection And Prevention Of Errors In Transmission (AREA)
ZA200302778A 2000-10-23 2003-04-09 Improved spectral parameter substitution for the frame error concealment in a speech decoder. ZA200302778B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24249800P 2000-10-23 2000-10-23

Publications (1)

Publication Number Publication Date
ZA200302778B true ZA200302778B (en) 2004-02-27

Family

ID=22915004

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200302778A ZA200302778B (en) 2000-10-23 2003-04-09 Improved spectral parameter substitution for the frame error concealment in a speech decoder.

Country Status (14)

Country Link
US (2) US7031926B2 (es)
EP (1) EP1332493B1 (es)
JP (2) JP2004522178A (es)
KR (1) KR100581413B1 (es)
CN (1) CN1291374C (es)
AT (1) ATE348385T1 (es)
AU (1) AU1079902A (es)
BR (2) BR0114827A (es)
CA (1) CA2425034A1 (es)
DE (1) DE60125219T2 (es)
ES (1) ES2276839T3 (es)
PT (1) PT1332493E (es)
WO (1) WO2002035520A2 (es)
ZA (1) ZA200302778B (es)

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Also Published As

Publication number Publication date
EP1332493B1 (en) 2006-12-13
CA2425034A1 (en) 2002-05-02
KR100581413B1 (ko) 2006-05-23
US20070239462A1 (en) 2007-10-11
CN1291374C (zh) 2006-12-20
DE60125219T2 (de) 2007-03-29
CN1535461A (zh) 2004-10-06
AU2002210799B2 (en) 2005-06-23
KR20030048067A (ko) 2003-06-18
WO2002035520A3 (en) 2002-07-04
US20020091523A1 (en) 2002-07-11
ATE348385T1 (de) 2007-01-15
US7031926B2 (en) 2006-04-18
WO2002035520A2 (en) 2002-05-02
US7529673B2 (en) 2009-05-05
AU1079902A (en) 2002-05-06
EP1332493A2 (en) 2003-08-06
PT1332493E (pt) 2007-02-28
BR0114827A (pt) 2004-06-15
JP2007065679A (ja) 2007-03-15
DE60125219D1 (de) 2007-01-25
ES2276839T3 (es) 2007-07-01
BRPI0114827B1 (pt) 2018-09-11
JP2004522178A (ja) 2004-07-22

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