ATE444550T1 - Quantisierung von parametern zur sprach- und audiokodierung mittels teilinformationen über atypische untersequenzen - Google Patents

Quantisierung von parametern zur sprach- und audiokodierung mittels teilinformationen über atypische untersequenzen

Info

Publication number
ATE444550T1
ATE444550T1 AT06751085T AT06751085T ATE444550T1 AT E444550 T1 ATE444550 T1 AT E444550T1 AT 06751085 T AT06751085 T AT 06751085T AT 06751085 T AT06751085 T AT 06751085T AT E444550 T1 ATE444550 T1 AT E444550T1
Authority
AT
Austria
Prior art keywords
subsequences
atypical
parameters
partial information
quantization
Prior art date
Application number
AT06751085T
Other languages
English (en)
Inventor
Sean Ramprashad
Original Assignee
Ntt Docomo 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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Application granted granted Critical
Publication of ATE444550T1 publication Critical patent/ATE444550T1/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
    • G10L19/02—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT06751085T 2005-04-20 2006-04-20 Quantisierung von parametern zur sprach- und audiokodierung mittels teilinformationen über atypische untersequenzen ATE444550T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US67340905P 2005-04-20 2005-04-20
US11/408,125 US7885809B2 (en) 2005-04-20 2006-04-19 Quantization of speech and audio coding parameters using partial information on atypical subsequences
PCT/US2006/015251 WO2006113921A1 (en) 2005-04-20 2006-04-20 Quantization of speech and audio coding parameters using partial information on atypical subsequences

Publications (1)

Publication Number Publication Date
ATE444550T1 true ATE444550T1 (de) 2009-10-15

Family

ID=36658834

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06751085T ATE444550T1 (de) 2005-04-20 2006-04-20 Quantisierung von parametern zur sprach- und audiokodierung mittels teilinformationen über atypische untersequenzen

Country Status (6)

Country Link
US (1) US7885809B2 (de)
EP (1) EP1872363B1 (de)
JP (1) JP4963498B2 (de)
AT (1) ATE444550T1 (de)
DE (1) DE602006009495D1 (de)
WO (1) WO2006113921A1 (de)

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EP1851760B1 (de) * 2005-02-10 2015-10-07 Koninklijke Philips N.V. Tonsynthese
US7873514B2 (en) * 2006-08-11 2011-01-18 Ntt Docomo, Inc. Method for quantizing speech and audio through an efficient perceptually relevant search of multiple quantization patterns
US7461106B2 (en) * 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
US20080243518A1 (en) * 2006-11-16 2008-10-02 Alexey Oraevsky System And Method For Compressing And Reconstructing Audio Files
EP2101318B1 (de) * 2006-12-13 2014-06-04 Panasonic Corporation Kodierungseinrichtung, Dekodierungseinrichtung und entsprechende Verfahren
WO2008072733A1 (ja) * 2006-12-15 2008-06-19 Panasonic Corporation 符号化装置および符号化方法
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
CN101939782B (zh) 2007-08-27 2012-12-05 爱立信电话股份有限公司 噪声填充与带宽扩展之间的自适应过渡频率
US8576096B2 (en) * 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
EP2229676B1 (de) * 2007-12-31 2013-11-06 LG Electronics Inc. Verfahren und vorrichtung zur verarbeitung eines tonsignals
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
PL2311033T3 (pl) 2008-07-11 2012-05-31 Fraunhofer Ges Forschung Dostarczanie sygnału aktywującego dopasowanie czasowe i kodowanie sygnału audio z jego użyciem
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
ES2642906T3 (es) * 2008-07-11 2017-11-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio, procedimientos para proporcionar un flujo de audio y programa de ordenador
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8175888B2 (en) * 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US9015044B2 (en) * 2012-03-05 2015-04-21 Malaspina Labs (Barbados) Inc. Formant based speech reconstruction from noisy signals
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
EP3217398B1 (de) 2013-04-05 2019-08-14 Dolby International AB Erweiterter quantisierer
RU2750644C2 (ru) * 2013-10-18 2021-06-30 Телефонактиеболагет Л М Эрикссон (Пабл) Кодирование и декодирование положений спектральных пиков
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal

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JP2874363B2 (ja) * 1991-01-30 1999-03-24 日本電気株式会社 適応符号化・復号化方式
DE69217590T2 (de) * 1991-07-31 1997-06-12 Matsushita Electric Ind Co Ltd Verfahren und Einrichtung zur Kodierung eines digitalen Audiosignals
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US6704705B1 (en) * 1998-09-04 2004-03-09 Nortel Networks Limited Perceptual audio coding

Also Published As

Publication number Publication date
DE602006009495D1 (de) 2009-11-12
JP2008538619A (ja) 2008-10-30
WO2006113921A1 (en) 2006-10-26
JP4963498B2 (ja) 2012-06-27
US20060241940A1 (en) 2006-10-26
EP1872363B1 (de) 2009-09-30
EP1872363A1 (de) 2008-01-02
US7885809B2 (en) 2011-02-08

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