HK1129153A1 - Constraint and controlled decoding after packet missing - Google Patents

Constraint and controlled decoding after packet missing

Info

Publication number
HK1129153A1
HK1129153A1 HK09106625.1A HK09106625A HK1129153A1 HK 1129153 A1 HK1129153 A1 HK 1129153A1 HK 09106625 A HK09106625 A HK 09106625A HK 1129153 A1 HK1129153 A1 HK 1129153A1
Authority
HK
Hong Kong
Prior art keywords
constraint
packet missing
controlled decoding
decoding
controlled
Prior art date
Application number
HK09106625.1A
Other languages
English (en)
Inventor
Jes Thyssen
Juin-Hwey Chen
Robert W Zopf
Original Assignee
Broadcom Corp
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 Broadcom Corp filed Critical Broadcom Corp
Publication of HK1129153A1 publication Critical patent/HK1129153A1/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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • G10L21/043—Time compression or expansion by changing speed
    • G10L21/045—Time compression or expansion by changing speed using thinning out or insertion of a waveform
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
HK09106625.1A 2006-08-15 2009-07-21 Constraint and controlled decoding after packet missing HK1129153A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US83762706P 2006-08-15 2006-08-15
US84804906P 2006-09-29 2006-09-29
US84805106P 2006-09-29 2006-09-29
US85346106P 2006-10-23 2006-10-23
PCT/US2007/075987 WO2008022184A2 (en) 2006-08-15 2007-08-15 Constrained and controlled decoding after packet loss

Publications (1)

Publication Number Publication Date
HK1129153A1 true HK1129153A1 (en) 2009-11-20

Family

ID=39062148

Family Applications (5)

Application Number Title Priority Date Filing Date
HK09106626.0A HK1129154A1 (en) 2006-08-15 2009-07-21 The hiding of the updating of decoder state after packet missing
HK09106625.1A HK1129153A1 (en) 2006-08-15 2009-07-21 Constraint and controlled decoding after packet missing
HK09107377.9A HK1129764A1 (en) 2006-08-15 2009-08-11 Packet loss concealment based on the whole-band audio waveform extrapolation for predictive coding of sub-band based
HK09107382.2A HK1129487A1 (en) 2006-08-15 2009-08-11 The method of time distortion of decoding audio signal after packet lost
HK09107386.8A HK1129488A1 (en) 2006-08-15 2009-08-11 A method and system for updating decoder state

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK09106626.0A HK1129154A1 (en) 2006-08-15 2009-07-21 The hiding of the updating of decoder state after packet missing

Family Applications After (3)

Application Number Title Priority Date Filing Date
HK09107377.9A HK1129764A1 (en) 2006-08-15 2009-08-11 Packet loss concealment based on the whole-band audio waveform extrapolation for predictive coding of sub-band based
HK09107382.2A HK1129487A1 (en) 2006-08-15 2009-08-11 The method of time distortion of decoding audio signal after packet lost
HK09107386.8A HK1129488A1 (en) 2006-08-15 2009-08-11 A method and system for updating decoder state

Country Status (6)

Country Link
US (10) US20080046249A1 (xx)
EP (5) EP2054879B1 (xx)
KR (5) KR101040160B1 (xx)
DE (2) DE602007004502D1 (xx)
HK (5) HK1129154A1 (xx)
WO (5) WO2008022181A2 (xx)

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