DE9218980U1 - Fehlerschutz für Mehrmoden-Sprachcoder - Google Patents

Fehlerschutz für Mehrmoden-Sprachcoder

Info

Publication number
DE9218980U1
DE9218980U1 DE9218980U DE9218980U DE9218980U1 DE 9218980 U1 DE9218980 U1 DE 9218980U1 DE 9218980 U DE9218980 U DE 9218980U DE 9218980 U DE9218980 U DE 9218980U DE 9218980 U1 DE9218980 U1 DE 9218980U1
Authority
DE
Germany
Prior art keywords
bits
array
input data
error protection
error
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
DE9218980U
Other languages
English (en)
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of DE9218980U1 publication Critical patent/DE9218980U1/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
    • G10L19/06—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
    • 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
    • G10L19/135—Vector sum excited linear prediction [VSELP]
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics

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)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Communication Control (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE9218980U 1991-09-05 1992-08-03 Fehlerschutz für Mehrmoden-Sprachcoder Expired - Lifetime DE9218980U1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75524191A 1991-09-05 1991-09-05
EP92917101A EP0556354B1 (de) 1991-09-05 1992-08-03 Fehlerschutz für vielfachmodensprachkodierer

Publications (1)

Publication Number Publication Date
DE9218980U1 true DE9218980U1 (de) 1996-08-22

Family

ID=25038293

Family Applications (2)

Application Number Title Priority Date Filing Date
DE9218980U Expired - Lifetime DE9218980U1 (de) 1991-09-05 1992-08-03 Fehlerschutz für Mehrmoden-Sprachcoder
DE69232166T Expired - Lifetime DE69232166T2 (de) 1991-09-05 1992-08-03 Fehlerschutz für vielfachmodensprachkodierer

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69232166T Expired - Lifetime DE69232166T2 (de) 1991-09-05 1992-08-03 Fehlerschutz für vielfachmodensprachkodierer

Country Status (8)

Country Link
US (1) US5642368A (de)
EP (2) EP0556354B1 (de)
JP (1) JP3396480B2 (de)
AT (1) ATE208082T1 (de)
DE (2) DE9218980U1 (de)
DK (1) DK0556354T3 (de)
ES (1) ES2167318T3 (de)
WO (1) WO1993005502A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729246A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
FR2729244B1 (fr) * 1995-01-06 1997-03-28 Matra Communication Procede de codage de parole a analyse par synthese
FR2729247A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
JP3616432B2 (ja) * 1995-07-27 2005-02-02 日本電気株式会社 音声符号化装置
GB9520445D0 (en) * 1995-10-06 1995-12-06 British Telecomm Convolutional codes
AU727706B2 (en) * 1995-10-20 2000-12-21 Facebook, Inc. Repetitive sound compression system
FI116181B (fi) * 1997-02-07 2005-09-30 Nokia Corp Virheenkorjausta ja virheentunnistusta hyödyntävä informaationkoodausm enetelmä ja laitteet
WO1999001941A1 (es) * 1997-07-02 1999-01-14 Alcatel Alsthom - Compagnie Generale D'electricite Dispositivo de transmision de una señal de voz codificada adpcm
US6000054A (en) * 1997-11-03 1999-12-07 Motorola, Inc. Method and apparatus for encoding and decoding binary information using restricted coded modulation and parallel concatenated convolution codes
US6141638A (en) * 1998-05-28 2000-10-31 Motorola, Inc. Method and apparatus for coding an information signal
JP2000201132A (ja) * 1998-11-06 2000-07-18 Matsushita Electric Ind Co Ltd 送受信装置
US7337110B2 (en) * 2002-08-26 2008-02-26 Motorola, Inc. Structured VSELP codebook for low complexity search
EP1815463A1 (de) * 2004-11-05 2007-08-08 Koninklijke Philips Electronics N.V. Effiziente audiokodierung unter verwendung von signaleigenschaften
US8898055B2 (en) * 2007-05-14 2014-11-25 Panasonic Intellectual Property Corporation Of America Voice quality conversion device and voice quality conversion method for converting voice quality of an input speech using target vocal tract information and received vocal tract information corresponding to the input speech
EP2538388B1 (de) 2011-06-20 2015-04-01 Alcatel Lucent Verfahren und Anordnung zur Bildmodellerstellung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802171A (en) * 1987-06-04 1989-01-31 Motorola, Inc. Method for error correction in digitally encoded speech
US4831624A (en) * 1987-06-04 1989-05-16 Motorola, Inc. Error detection method for sub-band coding
US5070503A (en) * 1988-03-09 1991-12-03 Canon Kabushiki Kaisha Digital information transmitting and receiving system
US5060269A (en) * 1989-05-18 1991-10-22 General Electric Company Hybrid switched multi-pulse/stochastic speech coding technique
US5073940A (en) * 1989-11-24 1991-12-17 General Electric Company Method for protecting multi-pulse coders from fading and random pattern bit errors
US5097507A (en) * 1989-12-22 1992-03-17 General Electric Company Fading bit error protection for digital cellular multi-pulse speech coder
DE9006717U1 (de) * 1990-06-15 1991-10-10 Philips Patentverwaltung Gmbh, 2000 Hamburg, De
US5247579A (en) * 1990-12-05 1993-09-21 Digital Voice Systems, Inc. Methods for speech transmission
US5255339A (en) * 1991-07-19 1993-10-19 Motorola, Inc. Low bit rate vocoder means and method

Also Published As

Publication number Publication date
EP0556354A4 (de) 1995-07-26
JP3396480B2 (ja) 2003-04-14
EP1130576A1 (de) 2001-09-05
DK0556354T3 (da) 2001-12-17
DE69232166D1 (de) 2001-12-06
ES2167318T3 (es) 2002-05-16
WO1993005502A1 (en) 1993-03-18
EP0556354A1 (de) 1993-08-25
US5642368A (en) 1997-06-24
JPH06502930A (ja) 1994-03-31
EP0556354B1 (de) 2001-10-31
DE69232166T2 (de) 2002-06-06
ATE208082T1 (de) 2001-11-15

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