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FI20070642A - Menetelmä ja laite alennetun nopeuden muuttuvanopeuksisen vokoodauksen suorittamiseksi - Google Patents

Menetelmä ja laite alennetun nopeuden muuttuvanopeuksisen vokoodauksen suorittamiseksi Download PDF

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Publication number
FI20070642A
FI20070642A FI20070642A FI20070642A FI20070642A FI 20070642 A FI20070642 A FI 20070642A FI 20070642 A FI20070642 A FI 20070642A FI 20070642 A FI20070642 A FI 20070642A FI 20070642 A FI20070642 A FI 20070642A
Authority
FI
Finland
Prior art keywords
computed
rate
variable rate
computation element
zero crossings
Prior art date
Application number
FI20070642A
Other languages
English (en)
Swedish (sv)
Other versions
FI122726B (fi
Inventor
Andrew P Dejaco
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 FI20070642A publication Critical patent/FI20070642A/fi
Application granted granted Critical
Publication of FI122726B publication Critical patent/FI122726B/fi

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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)
FI20070642A 1994-08-05 2007-08-24 Menetelmä ja laite alennetun nopeuden muuttuvanopeuksisen vokoodauksen suorittamiseksi FI122726B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US28684294A 1994-08-05 1994-08-05
US28684294 1994-08-05
US9509780 1995-08-01
PCT/US1995/009780 WO1996004646A1 (en) 1994-08-05 1995-08-01 Method and apparatus for performing reduced rate variable rate vocoding

Publications (2)

Publication Number Publication Date
FI20070642A true FI20070642A (fi) 2007-08-24
FI122726B FI122726B (fi) 2012-06-15

Family

ID=23100400

Family Applications (2)

Application Number Title Priority Date Filing Date
FI961445A FI120327B (fi) 1994-08-05 1996-03-29 Menetelmä ja laite alennetun nopeuden muuttuvanopeuksisen vokoodauksen suorittamiseksi
FI20070642A FI122726B (fi) 1994-08-05 2007-08-24 Menetelmä ja laite alennetun nopeuden muuttuvanopeuksisen vokoodauksen suorittamiseksi

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FI961445A FI120327B (fi) 1994-08-05 1996-03-29 Menetelmä ja laite alennetun nopeuden muuttuvanopeuksisen vokoodauksen suorittamiseksi

Country Status (19)

Country Link
US (3) US5911128A (fi)
EP (2) EP0722603B1 (fi)
JP (4) JP3611858B2 (fi)
KR (1) KR100399648B1 (fi)
CN (1) CN1144180C (fi)
AT (2) ATE388464T1 (fi)
AU (1) AU689628B2 (fi)
BR (1) BR9506307B1 (fi)
CA (1) CA2172062C (fi)
DE (2) DE69535723T2 (fi)
ES (2) ES2343948T3 (fi)
FI (2) FI120327B (fi)
HK (1) HK1015184A1 (fi)
IL (1) IL114819A (fi)
MY (3) MY137264A (fi)
RU (1) RU2146394C1 (fi)
TW (1) TW271524B (fi)
WO (1) WO1996004646A1 (fi)
ZA (1) ZA956078B (fi)

Families Citing this family (152)

* Cited by examiner, † Cited by third party
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