ATE548726T1 - Verfahren und vorrichtungen zur wiederherstellung gelöschter rahmen - Google Patents

Verfahren und vorrichtungen zur wiederherstellung gelöschter rahmen

Info

Publication number
ATE548726T1
ATE548726T1 AT07843945T AT07843945T ATE548726T1 AT E548726 T1 ATE548726 T1 AT E548726T1 AT 07843945 T AT07843945 T AT 07843945T AT 07843945 T AT07843945 T AT 07843945T AT E548726 T1 ATE548726 T1 AT E548726T1
Authority
AT
Austria
Prior art keywords
value
frame
deleted frames
adaptive codebook
calculated
Prior art date
Application number
AT07843945T
Other languages
English (en)
Inventor
Venkatesh Krishnan
Ananthapadmanabhan Kandhadai
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
Application granted granted Critical
Publication of ATE548726T1 publication Critical patent/ATE548726T1/de

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
    • G10L19/005—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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Television Systems (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Detergent Compositions (AREA)
  • Circuits Of Receivers In General (AREA)
AT07843945T 2006-10-06 2007-10-07 Verfahren und vorrichtungen zur wiederherstellung gelöschter rahmen ATE548726T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US82841406P 2006-10-06 2006-10-06
US11/868,351 US7877253B2 (en) 2006-10-06 2007-10-05 Systems, methods, and apparatus for frame erasure recovery
PCT/US2007/080653 WO2008043095A1 (en) 2006-10-06 2007-10-07 Systems, methods, and apparatus for frame erasure recovery

Publications (1)

Publication Number Publication Date
ATE548726T1 true ATE548726T1 (de) 2012-03-15

Family

ID=39052629

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07843945T ATE548726T1 (de) 2006-10-06 2007-10-07 Verfahren und vorrichtungen zur wiederherstellung gelöschter rahmen

Country Status (11)

Country Link
US (2) US7877253B2 (de)
EP (2) EP2070082B1 (de)
JP (1) JP5265553B2 (de)
KR (1) KR101092267B1 (de)
CN (1) CN101523484B (de)
AT (1) ATE548726T1 (de)
BR (1) BRPI0717495B1 (de)
CA (1) CA2663385C (de)
RU (1) RU2419167C2 (de)
TW (1) TWI362031B (de)
WO (1) WO2008043095A1 (de)

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US8706479B2 (en) * 2008-11-14 2014-04-22 Broadcom Corporation Packet loss concealment for sub-band codecs
US8238861B2 (en) * 2009-01-26 2012-08-07 Qualcomm Incorporated Automatic gain control in a wireless communication network
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WO2012110478A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Information signal representation using lapped transform
KR101551046B1 (ko) * 2011-02-14 2015-09-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법
BR112013020587B1 (pt) 2011-02-14 2021-03-09 Fraunhofer-Gesellschaft Zur Forderung De Angewandten Forschung E.V. esquema de codificação com base em previsão linear utilizando modelagem de ruído de domínio espectral
WO2012110415A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing a decoded audio signal in a spectral domain
NO2669468T3 (de) * 2011-05-11 2018-06-02
CN102800317B (zh) * 2011-05-25 2014-09-17 华为技术有限公司 信号分类方法及设备、编解码方法及设备
JP5805601B2 (ja) * 2011-09-30 2015-11-04 京セラ株式会社 装置、方法、及びプログラム
US9728200B2 (en) * 2013-01-29 2017-08-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
US9208775B2 (en) * 2013-02-21 2015-12-08 Qualcomm Incorporated Systems and methods for determining pitch pulse period signal boundaries
US9842598B2 (en) * 2013-02-21 2017-12-12 Qualcomm Incorporated Systems and methods for mitigating potential frame instability
EP2976768A4 (de) * 2013-03-20 2016-11-09 Nokia Technologies Oy Audiosignalcodierer mit einem mehrkanalparameterwähler
US9883312B2 (en) 2013-05-29 2018-01-30 Qualcomm Incorporated Transformed higher order ambisonics audio data
PT3011561T (pt) 2013-06-21 2017-07-25 Fraunhofer Ges Forschung Aparelho e método para desvanecimento de sinal aperfeiçoado em diferentes domínios durante ocultação de erros
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Also Published As

Publication number Publication date
EP2423916A3 (de) 2012-05-16
RU2419167C2 (ru) 2011-05-20
WO2008043095A1 (en) 2008-04-10
TW200832356A (en) 2008-08-01
CA2663385C (en) 2013-07-02
JP5265553B2 (ja) 2013-08-14
KR101092267B1 (ko) 2011-12-13
CN101523484B (zh) 2012-01-25
TWI362031B (en) 2012-04-11
BRPI0717495A2 (pt) 2014-04-22
EP2070082A1 (de) 2009-06-17
CA2663385A1 (en) 2008-04-10
EP2423916A2 (de) 2012-02-29
KR20090082383A (ko) 2009-07-30
JP2010506221A (ja) 2010-02-25
CN101523484A (zh) 2009-09-02
US20080086302A1 (en) 2008-04-10
RU2009117181A (ru) 2010-11-20
US20110082693A1 (en) 2011-04-07
EP2070082B1 (de) 2012-03-07
US7877253B2 (en) 2011-01-25
EP2423916B1 (de) 2013-09-04
BRPI0717495B1 (pt) 2019-12-10
US8825477B2 (en) 2014-09-02

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