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FI954920L - Äänikooderi-ASIC - Google Patents

Äänikooderi-ASIC Download PDF

Info

Publication number
FI954920L
FI954920L FI954920A FI954920A FI954920L FI 954920 L FI954920 L FI 954920L FI 954920 A FI954920 A FI 954920A FI 954920 A FI954920 A FI 954920A FI 954920 L FI954920 L FI 954920L
Authority
FI
Finland
Prior art keywords
audio encoder
asic
encoder asic
audio
encoder
Prior art date
Application number
FI954920A
Other languages
English (en)
Swedish (sv)
Other versions
FI954920A0 (fi
FI120117B (fi
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=FI954920(L) "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 FI954920A0 publication Critical patent/FI954920A0/fi
Publication of FI954920L publication Critical patent/FI954920L/fi
Application granted granted Critical
Publication of FI120117B publication Critical patent/FI120117B/fi

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 OR CALCULATING; 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)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Glass Compositions (AREA)
  • Gyroscopes (AREA)
  • Executing Machine-Instructions (AREA)
  • Stored Programmes (AREA)
  • Saccharide Compounds (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
  • Peptides Or Proteins (AREA)
  • Detection And Correction Of Errors (AREA)
  • Error Detection And Correction (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Analogue/Digital Conversion (AREA)
FI954920A 1994-02-16 1995-10-16 Vokooderi-ASIC FI120117B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US19741794 1994-02-16
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
US9502043 1995-02-13
PCT/US1995/002043 WO1995022819A1 (en) 1994-02-16 1995-02-13 Vocoder asic

Publications (3)

Publication Number Publication Date
FI954920A0 FI954920A0 (fi) 1995-10-16
FI954920L true FI954920L (fi) 1995-12-15
FI120117B FI120117B (fi) 2009-06-30

Family

ID=22729345

Family Applications (2)

Application Number Title Priority Date Filing Date
FI954920A FI120117B (fi) 1994-02-16 1995-10-16 Vokooderi-ASIC
FI20070887A FI20070887L (fi) 1994-02-16 2007-11-21 Vokooderi-ASIC

Family Applications After (1)

Application Number Title Priority Date Filing Date
FI20070887A FI20070887L (fi) 1994-02-16 2007-11-21 Vokooderi-ASIC

Country Status (22)

Country Link
US (3) US5784532A (fi)
EP (2) EP0758123B1 (fi)
JP (2) JP3432826B2 (fi)
KR (1) KR100334202B1 (fi)
CN (2) CN100397484C (fi)
AT (2) ATE179532T1 (fi)
AU (1) AU697822B2 (fi)
BR (1) BR9505650A (fi)
CA (1) CA2158660C (fi)
DE (2) DE69509381T2 (fi)
DK (2) DK0695454T3 (fi)
ES (2) ES2125602T3 (fi)
FI (2) FI120117B (fi)
IL (1) IL112650A (fi)
MX (1) MX9504358A (fi)
MY (1) MY112434A (fi)
RU (1) RU2183034C2 (fi)
SG (2) SG87819A1 (fi)
SI (1) SI0758123T1 (fi)
TW (1) TW326601B (fi)
WO (1) WO1995022819A1 (fi)
ZA (1) ZA95798B (fi)

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Also Published As

Publication number Publication date
CN100397484C (zh) 2008-06-25
KR960702147A (ko) 1996-03-28
MY112434A (en) 2001-06-30
CA2158660C (en) 2006-01-24
ZA95798B (en) 1996-01-22
ES2125602T3 (es) 1999-03-01
ATE172570T1 (de) 1998-11-15
HK1009303A1 (en) 1999-05-28
CN1123061A (zh) 1996-05-22
CN1512486A (zh) 2004-07-14
JP4194851B2 (ja) 2008-12-10
US5784532A (en) 1998-07-21
SI0758123T1 (en) 1999-10-31
RU2183034C2 (ru) 2002-05-27
DE69505469D1 (en) 1998-11-26
CA2158660A1 (en) 1995-08-24
US5926786A (en) 1999-07-20
EP0758123B1 (en) 1999-04-28
DE69509381D1 (de) 1999-06-02
AU697822B2 (en) 1998-10-15
CN1168072C (zh) 2004-09-22
KR100334202B1 (ko) 2002-10-11
FI20070887A7 (fi) 2007-11-21
BR9505650A (pt) 1996-03-05
DK0758123T3 (da) 1999-11-08
FI954920A0 (fi) 1995-10-16
EP0758123A2 (en) 1997-02-12
FI120117B (fi) 2009-06-30
JP3432826B2 (ja) 2003-08-04
DE69505469T2 (de) 1999-06-10
DK0695454T3 (da) 1999-07-05
EP0758123A3 (en) 1997-03-12
DE69509381T2 (de) 1999-11-25
JPH08509306A (ja) 1996-10-01
JP2003216198A (ja) 2003-07-30
ATE179532T1 (de) 1999-05-15
EP0695454B1 (en) 1998-10-21
SG52441A1 (en) 1998-09-28
TW326601B (en) 1998-02-11
AU1846595A (en) 1995-09-04
MX9504358A (es) 1997-05-31
EP0695454A1 (en) 1996-02-07
IL112650A0 (en) 1995-05-26
FI20070887L (fi) 2007-11-21
IL112650A (en) 1998-12-06
WO1995022819A1 (en) 1995-08-24
SG87819A1 (en) 2002-04-16
US5727123A (en) 1998-03-10
ES2130733T3 (es) 1999-07-01

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