BRPI0820467A2 - Modelagem de ruído de arredondamento para codificação e decodificação com base em transformada de inteiro - Google Patents

Modelagem de ruído de arredondamento para codificação e decodificação com base em transformada de inteiro

Info

Publication number
BRPI0820467A2
BRPI0820467A2 BRPI0820467-5A BRPI0820467A BRPI0820467A2 BR PI0820467 A2 BRPI0820467 A2 BR PI0820467A2 BR PI0820467 A BRPI0820467 A BR PI0820467A BR PI0820467 A2 BRPI0820467 A2 BR PI0820467A2
Authority
BR
Brazil
Prior art keywords
decoding
based encoding
integer transform
noise modeling
rounding noise
Prior art date
Application number
BRPI0820467-5A
Other languages
English (en)
Inventor
Peter Jax
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0820467A2 publication Critical patent/BRPI0820467A2/pt

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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/0212—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 orthogonal transformation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • 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
    • G10L19/26—Pre-filtering or post-filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI0820467-5A 2007-11-23 2008-11-10 Modelagem de ruído de arredondamento para codificação e decodificação com base em transformada de inteiro BRPI0820467A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07121440A EP2063417A1 (en) 2007-11-23 2007-11-23 Rounding noise shaping for integer transform based encoding and decoding
PCT/EP2008/065189 WO2009065748A1 (en) 2007-11-23 2008-11-10 Rounding noise shaping for integer transform based encoding and decoding

Publications (1)

Publication Number Publication Date
BRPI0820467A2 true BRPI0820467A2 (pt) 2015-06-16

Family

ID=40225570

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0820467-5A BRPI0820467A2 (pt) 2007-11-23 2008-11-10 Modelagem de ruído de arredondamento para codificação e decodificação com base em transformada de inteiro

Country Status (11)

Country Link
US (1) US8503535B2 (pt)
EP (2) EP2063417A1 (pt)
JP (1) JP4961042B2 (pt)
KR (1) KR20100113065A (pt)
CN (1) CN101868822B (pt)
BR (1) BRPI0820467A2 (pt)
CA (1) CA2705228A1 (pt)
MX (1) MX2010005418A (pt)
PT (1) PT2215631E (pt)
RU (1) RU2530926C2 (pt)
WO (1) WO2009065748A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2298884B1 (en) 2008-05-28 2014-06-18 Kao Corporation Method for detection of thermotolerant bacterium
WO2011042464A1 (en) * 2009-10-08 2011-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-mode audio signal decoder, multi-mode audio signal encoder, methods and computer program using a linear-prediction-coding based noise shaping
US9883207B2 (en) * 2009-12-31 2018-01-30 Thomson Licensing Dtv Methods and apparatus for adaptive coupled pre-processing and post-processing filters for video encoding and decoding
US10515643B2 (en) * 2011-04-05 2019-12-24 Nippon Telegraph And Telephone Corporation Encoding method, decoding method, encoder, decoder, program, and recording medium
PL397008A1 (pl) * 2011-11-17 2013-05-27 Politechnika Poznanska Sposób kodowania obrazu
CA2942903A1 (en) * 2014-03-16 2015-09-24 Vid Scale, Inc. Method and apparatus for the signaling of lossless video coding
EP3616196A4 (en) * 2017-04-28 2021-01-20 DTS, Inc. AUDIO ENCODER WINDOW AND TRANSFORMATION IMPLEMENTATIONS
WO2019013363A1 (ko) * 2017-07-10 2019-01-17 엘지전자 주식회사 영상 코딩 시스템에서 주파수 도메인 잡음 감소 방법 및 장치
EP3691130A4 (en) * 2017-09-29 2021-06-30 Nagoya Institute Of Technology REQUANTIZATION DEVICE WITH NOISE SHAPING FUNCTION, SIGNAL COMPRESSION DEVICE WITH NOISE SHAPING FUNCTION AND SIGNAL TRANSFER DEVICE WITH NOISE SHAPING FUNCTION
KR20210128251A (ko) 2020-04-16 2021-10-26 (주)진영기계 유압실린더를 동력원으로 한 토글 프레스

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2201654C2 (ru) * 1997-12-23 2003-03-27 Томсон Лайсенсинг С.А. Способ низкошумового кодирования и декодирования
DE10217297A1 (de) * 2002-04-18 2003-11-06 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten
US7275036B2 (en) * 2002-04-18 2007-09-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio data
DE10331803A1 (de) * 2003-07-14 2005-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Umsetzen in eine transformierte Darstellung oder zum inversen Umsetzen der transformierten Darstellung
US7451082B2 (en) * 2003-08-27 2008-11-11 Texas Instruments Incorporated Noise-resistant utterance detector
DE10345996A1 (de) * 2003-10-02 2005-04-28 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Verarbeiten von wenigstens zwei Eingangswerten
DE10345995B4 (de) * 2003-10-02 2005-07-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines Signals mit einer Sequenz von diskreten Werten
US8446947B2 (en) * 2003-10-10 2013-05-21 Agency For Science, Technology And Research Method for encoding a digital signal into a scalable bitstream; method for decoding a scalable bitstream

Also Published As

Publication number Publication date
MX2010005418A (es) 2010-10-26
KR20100113065A (ko) 2010-10-20
CN101868822B (zh) 2012-05-30
EP2063417A1 (en) 2009-05-27
RU2530926C2 (ru) 2014-10-20
EP2215631A1 (en) 2010-08-11
US20100309983A1 (en) 2010-12-09
CA2705228A1 (en) 2009-05-28
RU2010125613A (ru) 2011-12-27
EP2215631B1 (en) 2012-05-16
CN101868822A (zh) 2010-10-20
US8503535B2 (en) 2013-08-06
JP4961042B2 (ja) 2012-06-27
JP2011505728A (ja) 2011-02-24
WO2009065748A1 (en) 2009-05-28
PT2215631E (pt) 2012-06-26

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]
B15K Others concerning applications: alteration of classification

Ipc: G10L 19/02 (2013.01), H04N 19/117 (2014.01), H04N