NL9001128A - Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting. - Google Patents

Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting. Download PDF

Info

Publication number
NL9001128A
NL9001128A NL9001128A NL9001128A NL9001128A NL 9001128 A NL9001128 A NL 9001128A NL 9001128 A NL9001128 A NL 9001128A NL 9001128 A NL9001128 A NL 9001128A NL 9001128 A NL9001128 A NL 9001128A
Authority
NL
Netherlands
Prior art keywords
subband
bit
signal
samples
bits
Prior art date
Application number
NL9001128A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL9001128A priority Critical patent/NL9001128A/nl
Priority to DE69107511T priority patent/DE69107511T2/de
Priority to EP91201088A priority patent/EP0457391B1/de
Priority to AT91201088T priority patent/ATE118933T1/de
Priority to KR1019910007538A priority patent/KR0186000B1/ko
Priority to SK1382-91A priority patent/SK138291A3/sk
Priority to JP3138388A priority patent/JP2931697B2/ja
Publication of NL9001128A publication Critical patent/NL9001128A/nl
Priority to HK61696A priority patent/HK61696A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/66Details 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
    • H04B1/667Details 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/02Conversion 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
NL9001128A 1990-05-14 1990-05-14 Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting. NL9001128A (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL9001128A NL9001128A (nl) 1990-05-14 1990-05-14 Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting.
DE69107511T DE69107511T2 (de) 1990-05-14 1991-05-07 Codierverfahren und Codieranordnung mit einem Unterbandcoder und Sender mit der Codieranordnung.
EP91201088A EP0457391B1 (de) 1990-05-14 1991-05-07 Codierverfahren und Codieranordnung mit einem Unterbandcoder und Sender mit der Codieranordnung
AT91201088T ATE118933T1 (de) 1990-05-14 1991-05-07 Codierverfahren und codieranordnung mit einem unterbandcoder und sender mit der codieranordnung.
KR1019910007538A KR0186000B1 (ko) 1990-05-14 1991-05-10 인코딩 시스템 및 이를 구비한 트랜스미터
SK1382-91A SK138291A3 (en) 1990-05-14 1991-05-10 Coding mechanism
JP3138388A JP2931697B2 (ja) 1990-05-14 1991-05-14 サブバンドコーダを有するエンコーディングシステム及びエンコーディングシステムを有するトランスミッタ
HK61696A HK61696A (en) 1990-05-14 1996-04-11 Encoding method and encoding system comprising a subband coder and a transmitter comprising an encoding system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9001128 1990-05-14
NL9001128A NL9001128A (nl) 1990-05-14 1990-05-14 Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting.

Publications (1)

Publication Number Publication Date
NL9001128A true NL9001128A (nl) 1991-12-02

Family

ID=19857093

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9001128A NL9001128A (nl) 1990-05-14 1990-05-14 Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting.

Country Status (8)

Country Link
EP (1) EP0457391B1 (de)
JP (1) JP2931697B2 (de)
KR (1) KR0186000B1 (de)
AT (1) ATE118933T1 (de)
DE (1) DE69107511T2 (de)
HK (1) HK61696A (de)
NL (1) NL9001128A (de)
SK (1) SK138291A3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5375171A (en) * 1992-02-03 1994-12-20 U. S. Philips Corporation Transmission system, and transmitter and receiver used in the transmission system for transmitting and receiving digital signals containing modulated bit allocation information

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0554934B1 (de) * 1992-02-03 2001-11-21 Koninklijke Philips Electronics N.V. Übertragung von digitalen Breitbandsignalen
EP0573103B1 (de) * 1992-06-02 1999-08-11 Koninklijke Philips Electronics N.V. Digitales Übertragungssystem
TW221836B (de) * 1992-06-09 1994-03-21 Philips Electronics Nv
JP3188013B2 (ja) 1993-02-19 2001-07-16 松下電器産業株式会社 変換符号化装置のビット配分方法
KR100321015B1 (ko) * 1993-10-27 2002-06-20 요트.게.아. 롤페즈 제1및제2주신호성분을송수신하는송수신기
EP0775389B1 (de) * 1994-05-02 2002-12-18 Koninklijke Philips Electronics N.V. Einrichtung und verfahren zum kodieren eines digitalen signals mit mindestens einer ersten und einer zweiten digitalen signalkomponente
JP3830106B2 (ja) * 1994-05-19 2006-10-04 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴイ 広帯域ディジタル信号の信号スペクトルを規定し、かつこの信号スペクトルに応じてビット配置情報を得る機構
EP0717392B1 (de) * 1994-05-25 2001-08-16 Sony Corporation Verfahren und vorrichtung zur kodierung, dekodierung und kodierung-dekodierung
US5818943A (en) * 1994-10-25 1998-10-06 U.S. Philips Corporation Transmission and reception of a first and a second main signal component
DE69525836T2 (de) * 1994-11-04 2002-11-21 Koninkl Philips Electronics Nv Kodierung und dekodierung eines breitbandigen digitalen informationssignals
EP0749647B1 (de) * 1995-01-09 2003-02-12 Koninklijke Philips Electronics N.V. Verfahren und gerät zur bestimmung einer maskierten schwellwertspannung
JPH10512131A (ja) 1995-10-24 1998-11-17 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 サブバンドエンコーダ/デコーダにおける反復復号化および符号化
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
JP3793235B2 (ja) * 1996-02-08 2006-07-05 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 2チャネル伝送及び1チャネル伝送に適合するnチャネル伝送
ES2217385T3 (es) * 1996-02-08 2004-11-01 Koninklijke Philips Electronics N.V. Transmision de 7 canales compatible con la transmision de 5 canale.
DE19613643A1 (de) * 1996-04-04 1997-10-09 Fraunhofer Ges Forschung Verfahren zum Codieren eines mit einer niedrigen Abtastrate digitalisierten Audiosignals
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.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5375171A (en) * 1992-02-03 1994-12-20 U. S. Philips Corporation Transmission system, and transmitter and receiver used in the transmission system for transmitting and receiving digital signals containing modulated bit allocation information
US5488663A (en) * 1992-02-03 1996-01-30 U.S. Philips Corporation Encoding methods for generating a digital signal containing modulated bit allocation information, and record carriers containing that signal

Also Published As

Publication number Publication date
HK61696A (en) 1996-04-19
EP0457391B1 (de) 1995-02-22
JPH04250723A (ja) 1992-09-07
SK138291A3 (en) 1995-07-11
KR910021052A (ko) 1991-12-20
KR0186000B1 (ko) 1999-04-15
DE69107511D1 (de) 1995-03-30
ATE118933T1 (de) 1995-03-15
EP0457391A1 (de) 1991-11-21
JP2931697B2 (ja) 1999-08-09
DE69107511T2 (de) 1995-09-07

Similar Documents

Publication Publication Date Title
NL9001128A (nl) Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting.
NL9001127A (nl) Kodeerinrichting bevattende een subbandkoder, en een zender voorzien van de kodeerinrichting.
US5367608A (en) Transmitter, encoding system and method employing use of a bit allocation unit for subband coding a digital signal
US4142071A (en) Quantizing process with dynamic allocation of the available bit resources and device for implementing said process
US5365553A (en) Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal
JP3940165B2 (ja) オーディオ用低ビットレート高分解能スペクトル包絡線符号化
NL9100173A (nl) Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting.
US5613035A (en) Apparatus for adaptively encoding input digital audio signals from a plurality of channels
KR101019678B1 (ko) 저비트율 오디오 코딩
EP0560413B2 (de) Adaptiv Bitzuordnung für Audio-Koder und Dekoder
JP3336618B2 (ja) 高能率符号化方法及び高能率符号化信号の復号化方法
EP1072036B1 (de) Schnelle datenrahmen-optimierung in einem audio-kodierer
JP3297240B2 (ja) 適応的符号化システム
KR100263599B1 (ko) 인코딩 시스템
KR0144011B1 (ko) 엠펙 오디오 데이타 고속 비트 할당 및 최적 비트 할당 방법
EP0665547B1 (de) System zum Kodieren und Dekodieren
US5440596A (en) Transmitter, receiver and record carrier in a digital transmission system
MXPA01010447A (es) Utilizacion de cuantificacion adaptativa de ganancia y longitudes de simbolos no uniformes para codificacion de audio.
US6775587B1 (en) Method of encoding frequency coefficients in an AC-3 encoder
JPH07504539A (ja) N個の信号源からの信号の同時伝送方法
JP3093178B2 (ja) 高品質オーディオ用低ビットレート変換エンコーダ及びデコーダ
KR0181054B1 (ko) 다수개의 채널들로부터의 입력 디지탈 오디오 신호들을 적응적으로 부호화하는 장치
JP3725876B2 (ja) オーディオ符号化器とその符号化処理プログラム
KR0181061B1 (ko) 적응 디지탈 오디오 부호화 장치 및 그의 비트 할당방법
KR950003627B1 (ko) 디지탈 오디오 기기의 가청 임계점을 이용한 비트 할당방법

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed