ZA95798B - Vocoder asic - Google Patents

Vocoder asic

Info

Publication number
ZA95798B
ZA95798B ZA95798A ZA95798A ZA95798B ZA 95798 B ZA95798 B ZA 95798B ZA 95798 A ZA95798 A ZA 95798A ZA 95798 A ZA95798 A ZA 95798A ZA 95798 B ZA95798 B ZA 95798B
Authority
ZA
South Africa
Prior art keywords
specifically designed
dsp core
vocoder
asic
processor
Prior art date
Application number
ZA95798A
Other languages
English (en)
Inventor
John G Mcdonough
Chienchung Chang
Randeep Singh
Charles E Sakamaki
Ming-Chang Tsai
Prashant Kantak
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22729345&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA95798(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of ZA95798B publication Critical patent/ZA95798B/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
    • G10L13/00—Speech synthesis; Text to speech systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • 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
    • G10L19/16—Vocoder architecture
    • 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
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • 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
    • G10L2019/0013—Codebook search algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Gyroscopes (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Glass Compositions (AREA)
  • Executing Machine-Instructions (AREA)
  • Stored Programmes (AREA)
  • Saccharide Compounds (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Analogue/Digital Conversion (AREA)
  • Error Detection And Correction (AREA)
  • Peptides Or Proteins (AREA)
ZA95798A 1994-02-16 1995-02-01 Vocoder asic ZA95798B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/197,417 US5784532A (en) 1994-02-16 1994-02-16 Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system

Publications (1)

Publication Number Publication Date
ZA95798B true ZA95798B (en) 1996-01-22

Family

ID=22729345

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA95798A ZA95798B (en) 1994-02-16 1995-02-01 Vocoder asic

Country Status (23)

Country Link
US (3) US5784532A (xx)
EP (2) EP0695454B1 (xx)
JP (2) JP3432826B2 (xx)
KR (1) KR100334202B1 (xx)
CN (2) CN1168072C (xx)
AT (2) ATE172570T1 (xx)
AU (1) AU697822B2 (xx)
BR (1) BR9505650A (xx)
CA (1) CA2158660C (xx)
DE (2) DE69505469T2 (xx)
DK (2) DK0695454T3 (xx)
ES (2) ES2130733T3 (xx)
FI (2) FI120117B (xx)
HK (1) HK1009303A1 (xx)
IL (1) IL112650A (xx)
MX (1) MX9504358A (xx)
MY (1) MY112434A (xx)
RU (1) RU2183034C2 (xx)
SG (2) SG52441A1 (xx)
SI (1) SI0758123T1 (xx)
TW (1) TW326601B (xx)
WO (1) WO1995022819A1 (xx)
ZA (1) ZA95798B (xx)

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Also Published As

Publication number Publication date
US5727123A (en) 1998-03-10
IL112650A (en) 1998-12-06
TW326601B (en) 1998-02-11
FI120117B (fi) 2009-06-30
SI0758123T1 (en) 1999-10-31
JPH08509306A (ja) 1996-10-01
FI954920A (fi) 1995-12-15
ES2130733T3 (es) 1999-07-01
BR9505650A (pt) 1996-03-05
JP2003216198A (ja) 2003-07-30
US5926786A (en) 1999-07-20
DE69509381D1 (de) 1999-06-02
DE69505469T2 (de) 1999-06-10
AU1846595A (en) 1995-09-04
FI954920A0 (fi) 1995-10-16
ES2125602T3 (es) 1999-03-01
EP0758123A3 (en) 1997-03-12
JP4194851B2 (ja) 2008-12-10
DE69505469D1 (en) 1998-11-26
AU697822B2 (en) 1998-10-15
RU2183034C2 (ru) 2002-05-27
MX9504358A (es) 1997-05-31
FI20070887L (fi) 2007-11-21
JP3432826B2 (ja) 2003-08-04
SG87819A1 (en) 2002-04-16
DK0758123T3 (da) 1999-11-08
CN1168072C (zh) 2004-09-22
SG52441A1 (en) 1998-09-28
EP0695454A1 (en) 1996-02-07
IL112650A0 (en) 1995-05-26
DE69509381T2 (de) 1999-11-25
DK0695454T3 (da) 1999-07-05
EP0758123A2 (en) 1997-02-12
CN1123061A (zh) 1996-05-22
CN100397484C (zh) 2008-06-25
CA2158660A1 (en) 1995-08-24
HK1009303A1 (en) 1999-05-28
CA2158660C (en) 2006-01-24
CN1512486A (zh) 2004-07-14
ATE179532T1 (de) 1999-05-15
EP0695454B1 (en) 1998-10-21
WO1995022819A1 (en) 1995-08-24
MY112434A (en) 2001-06-30
ATE172570T1 (de) 1998-11-15
KR100334202B1 (ko) 2002-10-11
EP0758123B1 (en) 1999-04-28
KR960702147A (ko) 1996-03-28
US5784532A (en) 1998-07-21

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