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)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (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 (OSRAM)
JP (1) JP2931696B2 (OSRAM)
KR (1) KR0185998B1 (OSRAM)
AT (1) ATE117143T1 (OSRAM)
DE (1) DE69106580T2 (OSRAM)
HK (1) HK44596A (OSRAM)
NL (1) NL9001127A (OSRAM)
PL (1) PL166859B1 (OSRAM)
TW (1) TW221539B (OSRAM)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394508A (en) * 1992-01-17 1995-02-28 Massachusetts Institute Of Technology Method and apparatus for encoding decoding and compression of audio-type data
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
DE69331166T2 (de) * 1992-02-03 2002-08-22 Koninklijke Philips Electronics N.V., Eindhoven Übertragung von digitalen Breitbandsignalen
TW221836B (OSRAM) * 1992-06-09 1994-03-21 Philips Electronics Nv
KR100188912B1 (ko) * 1992-09-21 1999-06-01 윤종용 서브밴드코딩의 비트재할당 방법
EP1271819A3 (en) * 1993-10-27 2004-01-21 Koninklijke Philips Electronics N.V. Transmission and reception of a first and a second main signal components
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
JP3327923B2 (ja) * 1994-05-02 2002-09-24 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 少なくとも第１及び第２ディジタル信号成分を有するディジタル信号を符号化する符号化システム及び符号化方法
EP0707761B1 (en) * 1994-05-19 2001-09-26 Koninklijke Philips Electronics N.V. Arrangement for determining a signal spectrum of a wideband digital signal and for deriving bit allocation information in response thereto
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
AU697176B2 (en) * 1994-11-04 1998-10-01 Koninklijke Philips Electronics N.V. Encoding and decoding of a wideband digital information signal
US5537510A (en) * 1994-12-30 1996-07-16 Daewoo Electronics Co., Ltd. Adaptive digital audio encoding apparatus and a bit allocation method thereof
JP3918034B2 (ja) * 1995-01-09 2007-05-23 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ マスク限界を決定するための方法及び装置
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
EP0801852A1 (en) * 1995-10-24 1997-10-22 Koninklijke Philips Electronics N.V. Repeated decoding and encoding in subband encoder/decoders
JPH11502394A (ja) * 1996-01-12 1999-02-23 フィリップス、エレクトロニクス、ネムローゼ、フェンノートシャップ 広帯域デジタル情報信号を送信するための送信機とその方法、及び受信機
EP0820664B1 (en) * 1996-02-08 2005-11-09 Koninklijke Philips Electronics N.V. N-channel transmission, compatible with 2-channel transmission and 1-channel transmission
CN1516348A (zh) * 1996-02-08 2004-07-28 �ʼҷ����ֵ������޹�˾ 编码多个数字信息信号的存储媒体
KR100472402B1 (ko) * 1996-04-10 2005-07-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 복수의정보신호의부호화장치및방법

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

Similar Documents

Publication Publication Date Title
US5367608A (en) Transmitter, encoding system and method employing use of a bit allocation unit for subband coding a digital signal
EP0457390B1 (en) Encoding system comprising a subband coder, and a transmitter comprising an encoding system
US5365553A (en) Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal
EP0457391B1 (en) Encoding method and encoding system comprising a subband coder, and a transmitter comprising an encoding system
US5621855A (en) Subband coding of a digital signal in a stereo intensity mode
US4677671A (en) Method and device for coding a voice signal
US5294925A (en) Data compressing and expanding apparatus with time domain and frequency domain block floating
US5301255A (en) Audio signal subband encoder
US5627938A (en) Rate loop processor for perceptual encoder/decoder
EP0575110B1 (en) Compressing and expanding digital signals
US5491773A (en) Encoding system comprising a subband coder for subband coding of a wideband digital signal constituted by first and second signal components
EP1072036B1 (en) Fast frame optimisation in an audio encoder
US5878080A (en) N-channel transmission, compatible with 2-channel transmission and 1-channel transmission
US5509017A (en) Process for simultaneous transmission of signals from N signal sources
EP0775389B1 (en) Encoding system and encoding method for encoding a digital signal having at least a first and a second digital signal component
US6353584B1 (en) Reproducing and recording apparatus, decoding apparatus, recording apparatus, reproducing and recording method, decoding method and recording method
KR100303580B1 (ko) 송신기,엔코딩장치및송신방법
USRE40280E1 (en) Rate loop processor for perceptual encoder/decoder
JPH08167851A (ja) 高能率符号化方法及び装置、並びに伝送媒体
EP0573103A1 (en) Transmitter, receiver and record carrier in a digital transmission system
JPH07143009A (ja) 量子化装置、復号化装置、及び記録メディア
HK1013537B (en) Compressing and expanding digital signals
HK1013897A1 (en) Encoding and decoding of a wideband digital information signal
HK1013897B (en) Encoding and decoding of a wideband digital information signal

Legal Events

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