IL114819A - Method and apparatus for performing reduced rate variable rate vocoding - Google Patents

Method and apparatus for performing reduced rate variable rate vocoding

Info

Publication number
IL114819A
IL114819A IL11481995A IL11481995A IL114819A IL 114819 A IL114819 A IL 114819A IL 11481995 A IL11481995 A IL 11481995A IL 11481995 A IL11481995 A IL 11481995A IL 114819 A IL114819 A IL 114819A
Authority
IL
Israel
Prior art keywords
rate
computed
computation element
zero crossings
vocoding
Prior art date
Application number
IL11481995A
Other languages
English (en)
Other versions
IL114819A0 (en
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL114819A0 publication Critical patent/IL114819A0/xx
Publication of IL114819A publication Critical patent/IL114819A/xx

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
    • 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
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • 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
    • G10L19/002—Dynamic bit allocation

Landscapes

  • Engineering & Computer Science (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)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
IL11481995A 1994-08-05 1995-08-03 Method and apparatus for performing reduced rate variable rate vocoding IL114819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28684294A 1994-08-05 1994-08-05

Publications (2)

Publication Number Publication Date
IL114819A0 IL114819A0 (en) 1995-12-08
IL114819A true IL114819A (en) 1999-08-17

Family

ID=23100400

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11481995A IL114819A (en) 1994-08-05 1995-08-03 Method and apparatus for performing reduced rate variable rate vocoding

Country Status (18)

Country Link
US (3) US5911128A (cs)
EP (2) EP0722603B1 (cs)
JP (4) JP3611858B2 (cs)
KR (1) KR100399648B1 (cs)
CN (1) CN1144180C (cs)
AT (2) ATE388464T1 (cs)
AU (1) AU689628B2 (cs)
BR (1) BR9506307B1 (cs)
CA (1) CA2172062C (cs)
DE (2) DE69536082D1 (cs)
ES (2) ES2299175T3 (cs)
FI (2) FI120327B (cs)
IL (1) IL114819A (cs)
MY (3) MY137264A (cs)
RU (1) RU2146394C1 (cs)
TW (1) TW271524B (cs)
WO (1) WO1996004646A1 (cs)
ZA (1) ZA956078B (cs)

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