IL112650A - Vocoder asic - Google Patents

Vocoder asic

Info

Publication number
IL112650A
IL112650A IL11265095A IL11265095A IL112650A IL 112650 A IL112650 A IL 112650A IL 11265095 A IL11265095 A IL 11265095A IL 11265095 A IL11265095 A IL 11265095A IL 112650 A IL112650 A IL 112650A
Authority
IL
Israel
Prior art keywords
codebook
sequence
pitch
values
ram
Prior art date
Application number
IL11265095A
Other languages
English (en)
Other versions
IL112650A0 (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
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=IL112650(A) "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 IL112650A0 publication Critical patent/IL112650A0/xx
Publication of IL112650A publication Critical patent/IL112650A/en

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)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Glass Compositions (AREA)
  • Gyroscopes (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Executing Machine-Instructions (AREA)
  • Saccharide Compounds (AREA)
  • Stored Programmes (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Analogue/Digital Conversion (AREA)
  • Peptides Or Proteins (AREA)
  • Detection And Correction Of Errors (AREA)
  • Error Detection And Correction (AREA)
IL11265095A 1994-02-16 1995-02-15 Vocoder asic IL112650A (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 (2)

Publication Number Publication Date
IL112650A0 IL112650A0 (en) 1995-05-26
IL112650A true IL112650A (en) 1998-12-06

Family

ID=22729345

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11265095A IL112650A (en) 1994-02-16 1995-02-15 Vocoder asic

Country Status (22)

Country Link
US (3) US5784532A (de)
EP (2) EP0695454B1 (de)
JP (2) JP3432826B2 (de)
KR (1) KR100334202B1 (de)
CN (2) CN1168072C (de)
AT (2) ATE172570T1 (de)
AU (1) AU697822B2 (de)
BR (1) BR9505650A (de)
CA (1) CA2158660C (de)
DE (2) DE69505469T2 (de)
DK (2) DK0758123T3 (de)
ES (2) ES2125602T3 (de)
FI (2) FI120117B (de)
IL (1) IL112650A (de)
MX (1) MX9504358A (de)
MY (1) MY112434A (de)
RU (1) RU2183034C2 (de)
SG (2) SG52441A1 (de)
SI (1) SI0758123T1 (de)
TW (1) TW326601B (de)
WO (1) WO1995022819A1 (de)
ZA (1) ZA95798B (de)

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Also Published As

Publication number Publication date
DE69505469T2 (de) 1999-06-10
IL112650A0 (en) 1995-05-26
ZA95798B (en) 1996-01-22
DE69509381D1 (de) 1999-06-02
JP3432826B2 (ja) 2003-08-04
SG87819A1 (en) 2002-04-16
CN1168072C (zh) 2004-09-22
ES2125602T3 (es) 1999-03-01
FI20070887L (fi) 2007-11-21
TW326601B (en) 1998-02-11
EP0695454A1 (de) 1996-02-07
AU1846595A (en) 1995-09-04
SG52441A1 (en) 1998-09-28
DE69509381T2 (de) 1999-11-25
EP0758123A2 (de) 1997-02-12
DE69505469D1 (en) 1998-11-26
KR960702147A (ko) 1996-03-28
EP0695454B1 (de) 1998-10-21
CA2158660C (en) 2006-01-24
US5926786A (en) 1999-07-20
DK0758123T3 (da) 1999-11-08
FI954920L (fi) 1995-12-15
RU2183034C2 (ru) 2002-05-27
MX9504358A (es) 1997-05-31
SI0758123T1 (en) 1999-10-31
FI120117B (fi) 2009-06-30
WO1995022819A1 (en) 1995-08-24
JPH08509306A (ja) 1996-10-01
JP4194851B2 (ja) 2008-12-10
CA2158660A1 (en) 1995-08-24
EP0758123B1 (de) 1999-04-28
HK1009303A1 (en) 1999-05-28
CN1512486A (zh) 2004-07-14
BR9505650A (pt) 1996-03-05
EP0758123A3 (de) 1997-03-12
US5727123A (en) 1998-03-10
FI954920A0 (fi) 1995-10-16
FI20070887A7 (fi) 2007-11-21
US5784532A (en) 1998-07-21
AU697822B2 (en) 1998-10-15
ES2130733T3 (es) 1999-07-01
DK0695454T3 (da) 1999-07-05
ATE172570T1 (de) 1998-11-15
CN1123061A (zh) 1996-05-22
MY112434A (en) 2001-06-30
JP2003216198A (ja) 2003-07-30
ATE179532T1 (de) 1999-05-15
CN100397484C (zh) 2008-06-25
KR100334202B1 (ko) 2002-10-11

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