HK44596A - Encoding system comprising a subband coder, and a transmitter comprising an encoding system - Google Patents

Encoding system comprising a subband coder, and a transmitter comprising an encoding system Download PDF

Info

Publication number
HK44596A
HK44596A HK44596A HK44596A HK44596A HK 44596 A HK44596 A HK 44596A HK 44596 A HK44596 A HK 44596A HK 44596 A HK44596 A HK 44596A HK 44596 A HK44596 A HK 44596A
Authority
HK
Hong Kong
Prior art keywords
signal
subband
bit
block
bits
Prior art date
Application number
HK44596A
Other languages
German (de)
English (en)
French (fr)
Inventor
Nicolaas Johan Veldhuis Raymond
Johan Keesman Gerrit
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of HK44596A publication Critical patent/HK44596A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • 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
    • H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
HK44596A 1990-05-14 1996-03-14 Encoding system comprising a subband coder, and a transmitter comprising an encoding system HK44596A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9001127A NL9001127A (nl) 1990-05-14 1990-05-14 Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting.

Publications (1)

Publication Number Publication Date
HK44596A true HK44596A (en) 1996-03-22

Family

ID=19857092

Family Applications (1)

Application Number Title Priority Date Filing Date
HK44596A HK44596A (en) 1990-05-14 1996-03-14 Encoding system comprising a subband coder, and a transmitter comprising an encoding system

Country Status (9)

Country Link
EP (1) EP0457390B1 (cg-RX-API-DMAC7.html)
JP (1) JP2931696B2 (cg-RX-API-DMAC7.html)
KR (1) KR0185998B1 (cg-RX-API-DMAC7.html)
AT (1) ATE117143T1 (cg-RX-API-DMAC7.html)
DE (1) DE69106580T2 (cg-RX-API-DMAC7.html)
HK (1) HK44596A (cg-RX-API-DMAC7.html)
NL (1) NL9001127A (cg-RX-API-DMAC7.html)
PL (1) PL166859B1 (cg-RX-API-DMAC7.html)
TW (1) TW221539B (cg-RX-API-DMAC7.html)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5369724A (en) * 1992-01-17 1994-11-29 Massachusetts Institute Of Technology Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients
US5394508A (en) * 1992-01-17 1995-02-28 Massachusetts Institute Of Technology Method and apparatus for encoding decoding and compression of audio-type data
ATE209406T1 (de) * 1992-02-03 2001-12-15 Koninkl Philips Electronics Nv Übertragung von digitalen breitbandsignalen
TW221836B (cg-RX-API-DMAC7.html) * 1992-06-09 1994-03-21 Philips Electronics Nv
KR100188912B1 (ko) * 1992-09-21 1999-06-01 윤종용 서브밴드코딩의 비트재할당 방법
KR100321015B1 (ko) * 1993-10-27 2002-06-20 요트.게.아. 롤페즈 제1및제2주신호성분을송수신하는송수신기
JP3125543B2 (ja) * 1993-11-29 2001-01-22 ソニー株式会社 信号符号化方法及び装置、信号復号化方法及び装置、並びに記録媒体
WO1995030286A2 (en) * 1994-05-02 1995-11-09 Philips Electronics N.V. Encoding system and encoding method for encoding a digital signal having at least a first and a second digital signal component
DE69522883T2 (de) * 1994-05-19 2002-04-11 Koninklijke Philips Electronics N.V., Eindhoven Vorrichtung zur bestimmung des signalspektrums eines digitalen breitbandsignals und zur ableitung einer bitzuweisungsinformation
US5893065A (en) * 1994-08-05 1999-04-06 Nippon Steel Corporation Apparatus for compressing audio data
US5818943A (en) * 1994-10-25 1998-10-06 U.S. Philips Corporation Transmission and reception of a first and a second main signal component
EP0738441B1 (en) * 1994-11-04 2002-03-13 Koninklijke Philips Electronics N.V. Encoding and decoding of a wideband digital information signal
EP0720316B1 (en) * 1994-12-30 1999-12-08 Daewoo Electronics Co., Ltd Adaptive digital audio encoding apparatus and a bit allocation method thereof
EP0749647B1 (en) * 1995-01-09 2003-02-12 Koninklijke Philips Electronics N.V. Method and apparatus for determining a masked threshold
CN1108023C (zh) * 1995-01-27 2003-05-07 大宇电子株式会社 自适应数字音频编码装置及其一种位分配方法
WO1997015984A1 (en) 1995-10-24 1997-05-01 Philips Electronics N.V. Repeated decoding and encoding in subband encoder/decoders
DE69633719T2 (de) * 1996-01-12 2005-11-24 Koninklijke Philips Electronics N.V. Sender und verfahren zur übertragung eines breitbandigen, digitalen informationssignals
SI0820663T1 (en) * 1996-02-08 2004-10-31 Koninklijke Philips Electronics N.V. 7-channel transmission, compatible with 5-channel transmission and 2-channel transmission
ATE309644T1 (de) * 1996-02-08 2005-11-15 Koninkl Philips Electronics Nv Mit 2-kanal- und 1-kanal-übertragung kompatible n-kanalübertragung
WO1997038493A1 (en) * 1996-04-10 1997-10-16 Philips Electronics N.V. Encoding of a plurality of information signals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9000635A (nl) 1990-03-20 1991-10-16 Philips Nv Digitaal opteken- en weergavesysteem.

Also Published As

Publication number Publication date
TW221539B (cg-RX-API-DMAC7.html) 1994-03-01
NL9001127A (nl) 1991-12-02
DE69106580T2 (de) 1995-08-24
EP0457390B1 (en) 1995-01-11
JPH04250722A (ja) 1992-09-07
EP0457390A1 (en) 1991-11-21
PL166859B1 (pl) 1995-06-30
KR910021053A (ko) 1991-12-20
ATE117143T1 (de) 1995-01-15
DE69106580D1 (de) 1995-02-23
KR0185998B1 (ko) 1999-04-15
PL290201A1 (en) 1992-02-10
JP2931696B2 (ja) 1999-08-09

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Legal Events

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)