AU6174290A - Error detection/correction scheme for vocoders - Google Patents

Error detection/correction scheme for vocoders

Info

Publication number
AU6174290A
AU6174290A AU61742/90A AU6174290A AU6174290A AU 6174290 A AU6174290 A AU 6174290A AU 61742/90 A AU61742/90 A AU 61742/90A AU 6174290 A AU6174290 A AU 6174290A AU 6174290 A AU6174290 A AU 6174290A
Authority
AU
Australia
Prior art keywords
vocoders
error detection
correction scheme
correction
scheme
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.)
Abandoned
Application number
AU61742/90A
Inventor
James Michael Keba
Morris Anthony Moore
Clifford Allan Wood
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 AU6174290A publication Critical patent/AU6174290A/en
Abandoned 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AU61742/90A 1989-10-06 1990-08-09 Error detection/correction scheme for vocoders Abandoned AU6174290A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41829989A 1989-10-06 1989-10-06
US418299 1989-10-06

Publications (1)

Publication Number Publication Date
AU6174290A true AU6174290A (en) 1991-04-28

Family

ID=23657540

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61742/90A Abandoned AU6174290A (en) 1989-10-06 1990-08-09 Error detection/correction scheme for vocoders

Country Status (2)

Country Link
AU (1) AU6174290A (en)
WO (1) WO1991005333A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU671952B2 (en) * 1991-06-11 1996-09-19 Qualcomm Incorporated Variable rate vocoder
JP2003510643A (en) * 1999-09-20 2003-03-18 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Processing circuit for correcting audio signal, receiver, communication system, portable device, and method therefor
CN1270467C (en) * 2000-02-29 2006-08-16 皇家菲利浦电子有限公司 Method to detect and conceal corrupted signal parameters in coded speech communication
US7406411B2 (en) * 2001-08-17 2008-07-29 Broadcom Corporation Bit error concealment methods for speech coding
CN103903633B (en) 2012-12-27 2017-04-12 华为技术有限公司 Method and apparatus for detecting voice signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4653099A (en) * 1982-05-11 1987-03-24 Casio Computer Co., Ltd. SP sound synthesizer
JPS59153346A (en) * 1983-02-21 1984-09-01 Nec Corp Voice encoding and decoding device
US4815135A (en) * 1984-07-10 1989-03-21 Nec Corporation Speech signal processor
IT1179803B (en) * 1984-10-30 1987-09-16 Cselt Centro Studi Lab Telecom METHOD AND DEVICE FOR THE CORRECTION OF ERRORS CAUSED BY IMPULSIVE NOISE ON VOICE SIGNALS CODED WITH LOW SPEED BETWEEN CI AND TRANSMITTED ON RADIO COMMUNICATION CHANNELS

Also Published As

Publication number Publication date
WO1991005333A1 (en) 1991-04-18

Similar Documents

Publication Publication Date Title
AU590263B2 (en) Error correction method
AU544805B2 (en) Error correction
AU542192B2 (en) Information error correction
AU581111B2 (en) Decoder for a recorder-decoder system.
AU7599187A (en) Co2 detector for endotracheal tube
AU4766090A (en) Enhanced data formats and machine operations for enabling error correction
AU2750784A (en) Encoding method for error correction
AU2242388A (en) On-the-fly error correction apparatus
AU613203B2 (en) Method for true-amplitude dip movement correction
AU550471B2 (en) Error correction system
AU4402989A (en) Apparatus for detecting swimmers
AU4943390A (en) Position determining apparatus
AU3588589A (en) Method for printing
EP0414057A3 (en) Method for eliminating gyroscope errors
GB2226927B (en) An error correction system
AU4330689A (en) Process for checking pipelines
AU1321088A (en) Techniques for determining orbital data
AU5504690A (en) Sequential parity correction
EP0477377A4 (en) Error detecting system
AU4792285A (en) Apparatus for measuring reflectivity
AU6174290A (en) Error detection/correction scheme for vocoders
AU619101B2 (en) Error correction control apparatus
GB2222282B (en) Error correcting apparatus
AU574714B2 (en) Error detection system
AU589609B2 (en) Error concealment system