MX366803B - Codificador, decodificador, sistema y metodos de codificacion y decodificacion. - Google Patents

Codificador, decodificador, sistema y metodos de codificacion y decodificacion.

Info

Publication number
MX366803B
MX366803B MX2017001238A MX2017001238A MX366803B MX 366803 B MX366803 B MX 366803B MX 2017001238 A MX2017001238 A MX 2017001238A MX 2017001238 A MX2017001238 A MX 2017001238A MX 366803 B MX366803 B MX 366803B
Authority
MX
Mexico
Prior art keywords
quantization stage
encoder
residual
quantized
entropy
Prior art date
Application number
MX2017001238A
Other languages
English (en)
Other versions
MX2017001238A (es
Inventor
Grill Bernhard
Multrus Markus
Pietrzyk Grzegorz
schubert Benjamin
Fuchs Guillaume
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 MX2017001238A publication Critical patent/MX2017001238A/es
Publication of MX366803B publication Critical patent/MX366803B/es

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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • G10L19/035—Scalar quantisation
    • 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
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)

Abstract

Las formas de realizacion de la presente invencion proveen un codificador que comprende una etapa de cuantificacion, un codificador de la entropia, una etapa de cuantificacion residual y/o un formador de senales codificadas. La etapa de cuantificacion esta configurada para cuantificar una senal egresada utilizando una zona muerta a efectos de obtener una pluralidad de valores cuantificados. El codificador de la entropia esta configurado para codificar la pluralidad de valores cuantificados utilizando un esquema de codificacion de la entropia a efectos de obtener una pluralidad de valores codificados de la entropia. La etapa de cuantificacion residual esta configurada para cuantificar una senal residual causada por la etapa de la cuantificacion, en donde la etapa de cuantificacion residual esta configurada para determinar por lo menos un valor cuantificado residual en funcion de la zona muerta de la etapa de cuantificacion. El formador de senales codificadas esta configurado para formar una senal codificada a partir de la pluralidad de valores codificados de la entropia y del por lo menos un valor cuantificado residual.
MX2017001238A 2014-07-28 2015-07-24 Codificador, decodificador, sistema y metodos de codificacion y decodificacion. MX366803B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14178780.4A EP2980793A1 (en) 2014-07-28 2014-07-28 Encoder, decoder, system and methods for encoding and decoding
PCT/EP2015/067001 WO2016016122A1 (en) 2014-07-28 2015-07-24 Encoder, decoder, system and methods for encoding and decoding

Publications (2)

Publication Number Publication Date
MX2017001238A MX2017001238A (es) 2017-03-14
MX366803B true MX366803B (es) 2019-07-25

Family

ID=51224867

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017001238A MX366803B (es) 2014-07-28 2015-07-24 Codificador, decodificador, sistema y metodos de codificacion y decodificacion.

Country Status (19)

Country Link
US (3) US10375394B2 (es)
EP (2) EP2980793A1 (es)
JP (4) JP6494741B2 (es)
KR (3) KR20190101483A (es)
CN (2) CN107079152B (es)
AR (1) AR101547A1 (es)
AU (2) AU2015295604B2 (es)
CA (1) CA2956011C (es)
ES (1) ES2688103T3 (es)
MX (1) MX366803B (es)
MY (1) MY178527A (es)
PL (1) PL3175450T3 (es)
PT (1) PT3175450T (es)
RU (1) RU2678168C2 (es)
SG (1) SG11201700695TA (es)
TR (1) TR201815373T4 (es)
TW (1) TWI582757B (es)
WO (1) WO2016016122A1 (es)
ZA (1) ZA201700513B (es)

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Also Published As

Publication number Publication date
US10375394B2 (en) 2019-08-06
AU2018260836B2 (en) 2020-11-05
TW201618084A (zh) 2016-05-16
TR201815373T4 (tr) 2018-11-21
MY178527A (en) 2020-10-15
JP2021153305A (ja) 2021-09-30
WO2016016122A1 (en) 2016-02-04
US20200344476A1 (en) 2020-10-29
AU2015295604A1 (en) 2017-02-16
KR102014295B1 (ko) 2019-08-26
JP2023169294A (ja) 2023-11-29
AR101547A1 (es) 2016-12-28
KR20210144939A (ko) 2021-11-30
JP2019165439A (ja) 2019-09-26
US10735734B2 (en) 2020-08-04
KR20170041778A (ko) 2017-04-17
CN107079152B (zh) 2021-04-02
RU2678168C2 (ru) 2019-01-23
CN107079152A (zh) 2017-08-18
MX2017001238A (es) 2017-03-14
JP2017530585A (ja) 2017-10-12
TWI582757B (zh) 2017-05-11
EP3175450B1 (en) 2018-07-18
US20190313100A1 (en) 2019-10-10
RU2017104514A (ru) 2018-08-30
ZA201700513B (en) 2019-05-29
JP6494741B2 (ja) 2019-04-03
KR102512937B1 (ko) 2023-03-22
CN112954323A (zh) 2021-06-11
CN112954323B (zh) 2024-12-31
CA2956011A1 (en) 2016-02-04
US12273519B2 (en) 2025-04-08
EP3175450A1 (en) 2017-06-07
US20170142412A1 (en) 2017-05-18
CA2956011C (en) 2019-06-18
PL3175450T3 (pl) 2019-01-31
PT3175450T (pt) 2018-10-22
SG11201700695TA (en) 2017-02-27
AU2018260836A1 (en) 2018-11-22
KR20190101483A (ko) 2019-08-30
BR112017001518A2 (pt) 2018-01-30
AU2015295604B2 (en) 2018-09-20
RU2017104514A3 (es) 2018-08-30
JP6892467B2 (ja) 2021-06-23
EP2980793A1 (en) 2016-02-03
ES2688103T3 (es) 2018-10-30

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