DE60138226D1 - Sprachübertragungssystem und Verfahren zur Behandlung verlorener Datenrahmen - Google Patents

Sprachübertragungssystem und Verfahren zur Behandlung verlorener Datenrahmen

Info

Publication number
DE60138226D1
DE60138226D1 DE60138226T DE60138226T DE60138226D1 DE 60138226 D1 DE60138226 D1 DE 60138226D1 DE 60138226 T DE60138226 T DE 60138226T DE 60138226 T DE60138226 T DE 60138226T DE 60138226 D1 DE60138226 D1 DE 60138226D1
Authority
DE
Germany
Prior art keywords
frame
speech
lost
received
decision
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
DE60138226T
Other languages
English (en)
Inventor
Adil Benyassine
Eyal Shlomot
Huan-Yu Su
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.)
HTC Corp
Original Assignee
Mindspeed Technologies LLC
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 Mindspeed Technologies LLC filed Critical Mindspeed Technologies LLC
Application granted granted Critical
Publication of DE60138226D1 publication Critical patent/DE60138226D1/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
    • 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
    • G10L19/07—Line spectrum pair [LSP] vocoders
    • 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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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
    • G10L25/90—Pitch determination of speech signals
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Circuits Of Receivers In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Communication Control (AREA)
  • Radio Relay Systems (AREA)
DE60138226T 2000-07-14 2001-07-09 Sprachübertragungssystem und Verfahren zur Behandlung verlorener Datenrahmen Expired - Lifetime DE60138226D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/617,191 US6636829B1 (en) 1999-09-22 2000-07-14 Speech communication system and method for handling lost frames

Publications (1)

Publication Number Publication Date
DE60138226D1 true DE60138226D1 (de) 2009-05-14

Family

ID=24472632

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60117144T Expired - Lifetime DE60117144T2 (de) 2000-07-14 2001-07-09 Sprachübertragungssystem und verfahren zur behandlung verlorener datenrahmen
DE60138226T Expired - Lifetime DE60138226D1 (de) 2000-07-14 2001-07-09 Sprachübertragungssystem und Verfahren zur Behandlung verlorener Datenrahmen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60117144T Expired - Lifetime DE60117144T2 (de) 2000-07-14 2001-07-09 Sprachübertragungssystem und verfahren zur behandlung verlorener datenrahmen

Country Status (10)

Country Link
US (1) US6636829B1 (de)
EP (4) EP1577881A3 (de)
JP (3) JP4137634B2 (de)
KR (3) KR20050061615A (de)
CN (3) CN1267891C (de)
AT (2) ATE427546T1 (de)
AU (1) AU2001266278A1 (de)
DE (2) DE60117144T2 (de)
ES (1) ES2325151T3 (de)
WO (1) WO2002007061A2 (de)

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EP1301891B1 (de) 2006-02-08
KR20030040358A (ko) 2003-05-22
KR20040005970A (ko) 2004-01-16
JP2004504637A (ja) 2004-02-12
ATE427546T1 (de) 2009-04-15
JP2004206132A (ja) 2004-07-22
EP1577881A3 (de) 2005-10-19
DE60117144D1 (de) 2006-04-20
CN1722231A (zh) 2006-01-18
EP1363273B1 (de) 2009-04-01
EP1577881A2 (de) 2005-09-21
EP1301891A2 (de) 2003-04-16
EP2093756B1 (de) 2012-10-31
KR100742443B1 (ko) 2007-07-25
DE60117144T2 (de) 2006-10-19
ES2325151T3 (es) 2009-08-27
US6636829B1 (en) 2003-10-21
ATE317571T1 (de) 2006-02-15
EP2093756A1 (de) 2009-08-26
EP1363273A1 (de) 2003-11-19
JP4222951B2 (ja) 2009-02-12
WO2002007061A2 (en) 2002-01-24
AU2001266278A1 (en) 2002-01-30
CN1267891C (zh) 2006-08-02
JP2006011464A (ja) 2006-01-12
CN1516113A (zh) 2004-07-28
WO2002007061A3 (en) 2002-08-22
JP4137634B2 (ja) 2008-08-20
KR100754085B1 (ko) 2007-08-31
CN1212606C (zh) 2005-07-27
KR20050061615A (ko) 2005-06-22
CN1441950A (zh) 2003-09-10

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