BR9901456A - Sistema de codificação e decodificação sem perda. - Google Patents

Sistema de codificação e decodificação sem perda.

Info

Publication number
BR9901456A
BR9901456A BR9901456-4A BR9901456A BR9901456A BR 9901456 A BR9901456 A BR 9901456A BR 9901456 A BR9901456 A BR 9901456A BR 9901456 A BR9901456 A BR 9901456A
Authority
BR
Brazil
Prior art keywords
data
encoded
audio data
lossless
output
Prior art date
Application number
BR9901456-4A
Other languages
English (en)
Other versions
BR9901456B1 (pt
Inventor
Jae-Hoon Heo
Original Assignee
Sansung Electronics Co Ltd
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 Sansung Electronics Co Ltd filed Critical Sansung Electronics Co Ltd
Publication of BR9901456A publication Critical patent/BR9901456A/pt
Publication of BR9901456B1 publication Critical patent/BR9901456B1/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
    • G10L19/002—Dynamic bit allocation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • 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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/10—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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/172—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 an image region, e.g. an object the region being a picture, frame or field
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/70—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
    • H04N19/10—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
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

Patente de Invenção para<B>"SISTEMA DE CODIFICAçãO E DECODIFICAçãO SEM PERDA"<D>. Um aparelho de codificação sem perda codifica dados de áudio, e um aparelho de decodificação sem perda restaura os dados de áudio codificados de compressão sem perda em uma base de tempo real. O aparelho de codificação sem perda compreende uma unidade para codificar por compressão sem perda os dados de áudio armazenados no compensador de entrada em unidades de dados pré-determinadas, e descarregando os dados codificados em sequência, e um compensador de saída para armazenamento da saída de dados de áudio codificada a partir da unidade de compressão sem perda. Um controlador de bitrato divide uma pluralidade dos dados de áudio armazenados no compansador de saída nos primeiros dados tendo uma quantidade de dados excedendo o bitrato máximo, e segundos dados tendo uma quantidade de dados menor do que o bitrato máximo, divide os primeiros dados em terceiros dados sendo os dados de áudio codificados tendo uma quantidade de dados do bitrato máximo, e quartos dados sendo os dados codificados da porção que excede sobre o bitrato máximo, e controla o compensador de saída de modo que os quartos dados são descarregados ao mesmo tempo quando os segundos dados são descarregados.
BRPI9901456-4A 1998-05-06 1999-05-06 aparelho e sistema de codificação e decodificação sem perda. BR9901456B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019980016182A KR100354531B1 (ko) 1998-05-06 1998-05-06 실시간 복호화를 위한 무손실 부호화 및 복호화 시스템

Publications (2)

Publication Number Publication Date
BR9901456A true BR9901456A (pt) 2000-01-18
BR9901456B1 BR9901456B1 (pt) 2012-05-29

Family

ID=36848416

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9901456-4A BR9901456B1 (pt) 1998-05-06 1999-05-06 aparelho e sistema de codificação e decodificação sem perda.

Country Status (13)

Country Link
US (10) US6385587B1 (pt)
EP (6) EP1258997B1 (pt)
JP (1) JP3148200B2 (pt)
KR (1) KR100354531B1 (pt)
CN (11) CN100505553C (pt)
BR (1) BR9901456B1 (pt)
DE (5) DE69941648D1 (pt)
HK (6) HK1043857A1 (pt)
ID (1) ID22721A (pt)
MY (1) MY122320A (pt)
RU (1) RU2158057C1 (pt)
SG (1) SG76613A1 (pt)
TW (1) TW420908B (pt)

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Also Published As

Publication number Publication date
DE69933058D1 (de) 2006-10-12
CN100505553C (zh) 2009-06-24
EP1258995B1 (en) 2006-08-23
DE69932958D1 (de) 2006-10-05
US7756716B2 (en) 2010-07-13
US20040068405A1 (en) 2004-04-08
CN1113471C (zh) 2003-07-02
US20060053019A1 (en) 2006-03-09
US6385587B1 (en) 2002-05-07
US20020016714A1 (en) 2002-02-07
CN1365192A (zh) 2002-08-21
CN1855225B (zh) 2010-04-28
CN1350283A (zh) 2002-05-22
US6480829B2 (en) 2002-11-12
EP0955731A2 (en) 1999-11-10
DE69932543T2 (de) 2007-08-23
JP3148200B2 (ja) 2001-03-19
US20030065518A1 (en) 2003-04-03
US7133832B2 (en) 2006-11-07
EP1258995A1 (en) 2002-11-20
CN1619645A (zh) 2005-05-25
DE69932959D1 (de) 2006-10-05
EP1258994A1 (en) 2002-11-20
US20080126103A1 (en) 2008-05-29
CN100456638C (zh) 2009-01-28
CN1311425C (zh) 2007-04-18
US20100241440A1 (en) 2010-09-23
CN1365193A (zh) 2002-08-21
HK1047360A1 (zh) 2003-02-14
EP1258996B1 (en) 2006-08-23
EP1258997A1 (en) 2002-11-20
EP0955731B1 (en) 2009-11-25
DE69932543D1 (de) 2006-09-07
US6477501B1 (en) 2002-11-05
EP1258996A1 (en) 2002-11-20
HK1047361A1 (en) 2003-02-14
EP1258993A1 (en) 2002-11-20
MY122320A (en) 2006-04-29
CN1365195A (zh) 2002-08-21
US7389237B2 (en) 2008-06-17
EP0955731A3 (en) 2001-04-04
CN1855225A (zh) 2006-11-01
TW420908B (en) 2001-02-01
US20020013700A1 (en) 2002-01-31
CN1225841C (zh) 2005-11-02
US6546370B2 (en) 2003-04-08
US6473736B2 (en) 2002-10-29
CN1241844A (zh) 2000-01-19
RU2158057C1 (ru) 2000-10-20
CN1365194A (zh) 2002-08-21
KR19990084435A (ko) 1999-12-06
CN1855226A (zh) 2006-11-01
HK1047361B (zh) 2006-03-10
HK1047358A1 (zh) 2003-02-14
HK1043857A1 (zh) 2002-09-27
SG76613A1 (en) 2000-11-21
EP1258997B1 (en) 2012-02-29
CN1862659A (zh) 2006-11-15
US6678662B2 (en) 2004-01-13
KR100354531B1 (ko) 2005-12-21
HK1047359A1 (zh) 2003-02-14
DE69932959T2 (de) 2007-04-26
EP1258993B1 (en) 2006-07-26
EP1258994B1 (en) 2006-08-30
DE69932958T2 (de) 2007-04-19
CN1855226B (zh) 2010-10-06
ID22721A (id) 1999-12-09
HK1047362A1 (zh) 2003-02-14
JPH11355148A (ja) 1999-12-24
BR9901456B1 (pt) 2012-05-29
US8155973B2 (en) 2012-04-10
CN1365196A (zh) 2002-08-21
DE69933058T2 (de) 2007-04-12
CN100446426C (zh) 2008-12-24
US20020013699A1 (en) 2002-01-31
DE69941648D1 (de) 2010-01-07
CN100456639C (zh) 2009-01-28

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