HK1121569A1 - Information signal coding - Google Patents

Information signal coding

Info

Publication number
HK1121569A1
HK1121569A1 HK09101545.9A HK09101545A HK1121569A1 HK 1121569 A1 HK1121569 A1 HK 1121569A1 HK 09101545 A HK09101545 A HK 09101545A HK 1121569 A1 HK1121569 A1 HK 1121569A1
Authority
HK
Hong Kong
Prior art keywords
information signal
prediction
signal coding
quantizing
prefiltered signal
Prior art date
Application number
HK09101545.9A
Other languages
English (en)
Inventor
Jens Hirschfeld
Gerald Schuller
Manfred Lutzky
Ulrich Kraemer
Stefan Wabnik
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of HK1121569A1 publication Critical patent/HK1121569A1/xx

Links

Classifications

    • 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
    • H04N19/124—Quantisation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/035—Scalar quantisation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
HK09101545.9A 2006-05-12 2009-02-18 Information signal coding HK1121569A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006022346A DE102006022346B4 (de) 2006-05-12 2006-05-12 Informationssignalcodierung
PCT/EP2007/001730 WO2007131564A1 (de) 2006-05-12 2007-02-28 Informationssignalcodierung

Publications (1)

Publication Number Publication Date
HK1121569A1 true HK1121569A1 (en) 2009-04-24

Family

ID=38080073

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09101545.9A HK1121569A1 (en) 2006-05-12 2009-02-18 Information signal coding

Country Status (19)

Country Link
US (2) US9754601B2 (xx)
EP (1) EP2022043B1 (xx)
JP (1) JP5297373B2 (xx)
KR (1) KR100986924B1 (xx)
CN (1) CN101443842B (xx)
AT (1) ATE542217T1 (xx)
AU (1) AU2007250308B2 (xx)
BR (1) BRPI0709450B1 (xx)
CA (1) CA2651745C (xx)
DE (1) DE102006022346B4 (xx)
ES (1) ES2380591T3 (xx)
HK (1) HK1121569A1 (xx)
IL (1) IL193784A (xx)
MX (1) MX2008014222A (xx)
MY (1) MY143314A (xx)
NO (1) NO340674B1 (xx)
PL (1) PL2022043T3 (xx)
RU (1) RU2407145C2 (xx)
WO (1) WO2007131564A1 (xx)

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Also Published As

Publication number Publication date
EP2022043B1 (de) 2012-01-18
US9754601B2 (en) 2017-09-05
BRPI0709450B1 (pt) 2020-02-04
US10446162B2 (en) 2019-10-15
JP2009537033A (ja) 2009-10-22
BRPI0709450A8 (pt) 2019-01-08
ATE542217T1 (de) 2012-02-15
DE102006022346A1 (de) 2007-11-15
AU2007250308B2 (en) 2010-05-06
CN101443842B (zh) 2012-05-23
CA2651745C (en) 2013-12-24
KR100986924B1 (ko) 2010-10-08
PL2022043T3 (pl) 2012-06-29
CN101443842A (zh) 2009-05-27
MX2008014222A (es) 2008-11-14
NO340674B1 (no) 2017-05-29
DE102006022346B4 (de) 2008-02-28
RU2407145C2 (ru) 2010-12-20
US20180012608A1 (en) 2018-01-11
BRPI0709450A2 (pt) 2011-07-12
ES2380591T3 (es) 2012-05-16
WO2007131564A1 (de) 2007-11-22
MY143314A (en) 2011-04-15
IL193784A (en) 2014-01-30
EP2022043A1 (de) 2009-02-11
JP5297373B2 (ja) 2013-09-25
CA2651745A1 (en) 2007-11-22
AU2007250308A1 (en) 2007-11-22
US20090254783A1 (en) 2009-10-08
NO20084786L (no) 2008-12-11
RU2008148961A (ru) 2010-06-20
KR20090007427A (ko) 2009-01-16

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