BR9002618A - Sistema de transmissao digital,transmissor,receptor,codificador,decofificador,filtro de analise,filtro de sintese e aparelho de gravacao e reproducao de sinais - Google Patents

Sistema de transmissao digital,transmissor,receptor,codificador,decofificador,filtro de analise,filtro de sintese e aparelho de gravacao e reproducao de sinais

Info

Publication number
BR9002618A
BR9002618A BR909002618A BR9002618A BR9002618A BR 9002618 A BR9002618 A BR 9002618A BR 909002618 A BR909002618 A BR 909002618A BR 9002618 A BR9002618 A BR 9002618A BR 9002618 A BR9002618 A BR 9002618A
Authority
BR
Brazil
Prior art keywords
decofifier
encoder
transmitter
receiver
filter
Prior art date
Application number
BR909002618A
Other languages
English (en)
Inventor
Jean Bernard Rault
Yves Francois Dehery
Jean Yves Roudaut
Alphons Antonius Mari Bruekers
Raymond Nicolaas Joha Veldhuis
Original Assignee
Telediffusion Fse
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8202401&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9002618(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Telediffusion Fse, Philips Nv filed Critical Telediffusion Fse
Publication of BR9002618A publication Critical patent/BR9002618A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Discrete Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
BR909002618A 1989-06-02 1990-06-01 Sistema de transmissao digital,transmissor,receptor,codificador,decofificador,filtro de analise,filtro de sintese e aparelho de gravacao e reproducao de sinais BR9002618A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89201408A EP0400222A1 (en) 1989-06-02 1989-06-02 Digital transmission system using subband coding of a digital signal

Publications (1)

Publication Number Publication Date
BR9002618A true BR9002618A (pt) 1991-08-20

Family

ID=8202401

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909002618A BR9002618A (pt) 1989-06-02 1990-06-01 Sistema de transmissao digital,transmissor,receptor,codificador,decofificador,filtro de analise,filtro de sintese e aparelho de gravacao e reproducao de sinais

Country Status (22)

Country Link
US (1) US5214678A (pt)
EP (2) EP0400222A1 (pt)
JP (1) JP3069611B2 (pt)
KR (1) KR0181292B1 (pt)
CN (1) CN1023280C (pt)
AR (1) AR246135A1 (pt)
AT (1) ATE127642T1 (pt)
AU (1) AU634237B2 (pt)
BR (1) BR9002618A (pt)
CA (1) CA2017841C (pt)
CS (1) CS277633B6 (pt)
DE (1) DE69022119T2 (pt)
DK (2) DK0400755T3 (pt)
ES (1) ES2077631T3 (pt)
FI (1) FI110349B (pt)
HK (1) HK213496A (pt)
HU (1) HU206572B (pt)
MX (1) MX172514B (pt)
PL (1) PL165159B1 (pt)
PT (1) PT94224B (pt)
RU (1) RU2145464C1 (pt)
UA (1) UA37174C2 (pt)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5367608A (en) * 1990-05-14 1994-11-22 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit allocation unit for subband coding a digital signal
US5287529A (en) * 1990-08-21 1994-02-15 Massachusetts Institute Of Technology Method for estimating solutions to finite element equations by generating pyramid representations, multiplying to generate weight pyramids, and collapsing the weighted pyramids
US5365553A (en) * 1990-11-30 1994-11-15 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal
US5274740A (en) * 1991-01-08 1993-12-28 Dolby Laboratories Licensing Corporation Decoder for variable number of channel presentation of multidimensional sound fields
NL9100173A (nl) * 1991-02-01 1992-09-01 Philips Nv Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting.
NL9100285A (nl) * 1991-02-19 1992-09-16 Koninkl Philips Electronics Nv Transmissiesysteem, en ontvanger te gebruiken in het transmissiesysteem.
KR100263599B1 (ko) * 1991-09-02 2000-08-01 요트.게.아. 롤페즈 인코딩 시스템
ATE209406T1 (de) * 1992-02-03 2001-12-15 Koninkl Philips Electronics Nv Übertragung von digitalen breitbandsignalen
TW235392B (pt) * 1992-06-02 1994-12-01 Philips Electronics Nv
TW221836B (pt) * 1992-06-09 1994-03-21 Philips Electronics Nv
US5436940A (en) * 1992-06-11 1995-07-25 Massachusetts Institute Of Technology Quadrature mirror filter banks and method
DE4227327A1 (de) * 1992-08-18 1994-02-24 Philips Patentverwaltung Teilbandechokompensator mit Teilbandcodiereinrichtung
JP2509789B2 (ja) * 1992-08-22 1996-06-26 三星電子株式会社 可聴周波数帯域分割を利用した音響信号歪み補正装置
US6252909B1 (en) * 1992-09-21 2001-06-26 Aware, Inc. Multi-carrier transmission system utilizing channels of different bandwidth
US5408580A (en) * 1992-09-21 1995-04-18 Aware, Inc. Audio compression system employing multi-rate signal analysis
KR950008637B1 (ko) * 1993-04-08 1995-08-03 삼성전자주식회사 부밴드 코딩시스템의 신호처리장치
DE69435009T2 (de) * 1993-10-12 2008-04-17 Matsushita Electric Industrial Co., Ltd., Kadoma Einrichtung zur Verschlüsselung und Entschlüsselung von Audiosignalen
JP3993229B2 (ja) * 1993-10-27 2007-10-17 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 第１および第２主信号成分の送信および受信
US5764698A (en) * 1993-12-30 1998-06-09 International Business Machines Corporation Method and apparatus for efficient compression of high quality digital audio
EP0775389B1 (en) * 1994-05-02 2002-12-18 Koninklijke 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
WO1995032556A1 (en) * 1994-05-19 1995-11-30 Philips Electronics N.V. Arrangement for determining a signal spectrum of a wideband digital signal and for deriving bit allocation information in response thereto
GB9414664D0 (en) * 1994-07-20 1994-09-07 British Aerospace Digital signal processing apparatus
WO1996008078A1 (en) * 1994-09-02 1996-03-14 Philips Electronics N.V. Receiver with quadrature decimation stage, method of processing digital signals
CN1095253C (zh) * 1994-11-04 2002-11-27 皇家菲利浦电子有限公司 宽带数字信息信号的编码和解码设备和方法
WO1997015984A1 (en) * 1995-10-24 1997-05-01 Philips Electronics N.V. Repeated decoding and encoding in subband encoder/decoders
IL121341A (en) * 1995-11-21 2000-06-01 Koninkl Philips Electronics Nv Transmission system transmitter and receiver for digital audio signals
DE69633719T2 (de) * 1996-01-12 2005-11-24 Koninklijke Philips Electronics N.V. Sender und verfahren zur übertragung eines breitbandigen, digitalen informationssignals
DE69728330T2 (de) * 1996-02-08 2005-02-10 Koninklijke Philips Electronics N.V. Mit einer 5-kanalübertragung und einer 2-kanalübertragung kompatible 7-kanalübertragung
ATE244956T1 (de) * 1996-04-10 2003-07-15 Koninkl Philips Electronics Nv Codierung einer vielzahl von datensignalen
CA2184541A1 (en) 1996-08-30 1998-03-01 Tet Hin Yeap Method and apparatus for wavelet modulation of signals for transmission and/or storage
CA2323014C (en) * 1999-01-07 2008-07-22 Koninklijke Philips Electronics N.V. Efficient coding of side information in a lossless encoder
US6788751B1 (en) * 1999-11-24 2004-09-07 Donald W. Moses Frequency diversity digital wireless system
TWI227866B (en) * 2003-11-07 2005-02-11 Mediatek Inc Subband analysis/synthesis filtering method
KR100830163B1 (ko) 2005-04-20 2008-05-20 삼성전자주식회사 주파수 오버레이 통신 시스템에서 신호 송수신 장치 및 방법
TWI621332B (zh) 2009-02-18 2018-04-11 杜比國際公司 用於高頻重建或參數立體聲之複指數調變濾波器組
US8958510B1 (en) * 2010-06-10 2015-02-17 Fredric J. Harris Selectable bandwidth filter
GB201210373D0 (en) * 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070948B1 (fr) * 1981-07-28 1985-07-10 International Business Machines Corporation Procédé de codage de la voix et dispositif de mise en oeuvre dudit procédé
FR2577084B1 (fr) * 1985-02-01 1987-03-20 Trt Telecom Radio Electr Systeme de bancs de filtres d'analyse et de synthese d'un signal
FR2613154A1 (fr) * 1987-03-24 1988-09-30 France Etat Systeme de traitement numerique de signal a bancs de filtres
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US4956871A (en) * 1988-09-30 1990-09-11 At&T Bell Laboratories Improving sub-band coding of speech at low bit rates by adding residual speech energy signals to sub-bands

Also Published As

Publication number Publication date
PL165159B1 (pl) 1994-11-30
ES2077631T3 (es) 1995-12-01
DE69022119T2 (de) 1996-04-18
UA37174C2 (uk) 2001-05-15
DK0400755T3 (da) 1996-01-29
JPH0382233A (ja) 1991-04-08
EP0400755B1 (en) 1995-09-06
PT94224A (pt) 1992-06-30
PL285436A1 (en) 1991-03-11
FI110349B (fi) 2002-12-31
ATE127642T1 (de) 1995-09-15
CN1023280C (zh) 1993-12-22
KR910002179A (ko) 1991-01-31
AU5615890A (en) 1990-12-06
PT94224B (pt) 1998-07-31
FI902695A0 (fi) 1990-05-30
HUT56672A (en) 1991-09-30
DE69022119D1 (de) 1995-10-12
DK133290D0 (da) 1990-05-30
CA2017841C (en) 2000-04-18
HU903285D0 (en) 1990-10-28
HU206572B (en) 1992-11-30
HK213496A (en) 1996-12-06
EP0400222A1 (en) 1990-12-05
MX172514B (es) 1993-12-17
CN1050116A (zh) 1991-03-20
KR0181292B1 (ko) 1999-05-15
AU634237B2 (en) 1993-02-18
CS277633B6 (en) 1993-03-17
RU2145464C1 (ru) 2000-02-10
EP0400755A1 (en) 1990-12-05
JP3069611B2 (ja) 2000-07-24
CS9002677A2 (en) 1991-08-13
CA2017841A1 (en) 1990-12-02
AR246135A1 (es) 1994-03-30
US5214678A (en) 1993-05-25

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG Letter patent granted
HHFG Granted patent or certificate of addition of invention: rectification

Free format text: REFERENCIA RPI NR. 1286 DE 25/07/95 COM RELACAO AO ITE0 M (73) 0

TC Change of name
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Free format text: ALTERADO DE: N.V. GLOEILAMPENFABRIEKEN REFERENCIA: RPI 1452 DE 03/11/98; CODIGO (25.4); ITEM (73)

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Free format text: ALTERADO DE: PHILIPS ELECTRONICS N.V. REFERENCIA RPI NO 1471 DE 16/03/99 - CODIGO 25.4 - ITEM (71)

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TC Change of name
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TC Change of name
HHT Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: republication

Free format text: ALTERADO DE: PHILIPS ELECTRONICS N.V. REFERENCIA: RPI 1539 DE 04/07/2000 - COD. 25.4 - ITEM (71)

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Free format text: INPI-52400.000917/00 5A VARA FEDERAL DO RIO DE JANEIRO PROC. NO2000.51.01.008490-1 - TIPO II AUTOR:KONINKLIJKE PHILIPS ELECTRONICS N.V. REU: INPI - INSTITUTO NACIONAL DA PROPRIEDADE INDUSTRIAL - INPI DECISAO: ISTO POSTO, JULGO PROCEDENTE O PEDIDO, PARA CONDENAR O REU A RECONHECER A AUTORA O DIREITO DE QUE SUAS PATENTES

Free format text: INPI-52400.000917/00 5A VARA FEDERAL DO RIO DE JANEIRO PROC. Nø2000.51.01.008490-1 - TIPO II AUTOR:KONINKLIJKE PHILIPS ELECTRONICS N.V. REU: INPI - INSTITUTO NACIONAL DA PROPRIEDADE INDUSTRIAL - INPI DECISAO: ISTO POSTO, JULGO PROCEDENTE O PEDIDO, PARA CONDENAR O REU A RECONHECER A AUTORA O DIREITO DE QUE SUAS PATENTES Nø: PI 8204347-7; PI 8104478-0; PI 8301185-4; PI 8302418-2; PI 8304126-5; PI 8404319-9; PI 8405179-5; PI 8501277-7; PI 8700846-7; PI 8702380-6; PI 8705271-7; PI 8801842-3; PI 8803482-8; PI 9002618-7; PI 9002617-9 E PI 9004274-3 VIGOREM PELO PRAZO DE 20 (VINTE) ANOS, A CONTAR DA DATA DO RESPECTIVO DEPOSITO, ASSEGURANDO-IHE, AINDA, A POSSIBILIDADE DE PAGAR AS RETRIBUICOES ANUAI

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