AR246135A1 - Disposicion de transmision digital usando codificacion de sub-banda de una senal digital. - Google Patents

Disposicion de transmision digital usando codificacion de sub-banda de una senal digital.

Info

Publication number
AR246135A1
AR246135A1 AR90317016A AR31701690A AR246135A1 AR 246135 A1 AR246135 A1 AR 246135A1 AR 90317016 A AR90317016 A AR 90317016A AR 31701690 A AR31701690 A AR 31701690A AR 246135 A1 AR246135 A1 AR 246135A1
Authority
AR
Argentina
Prior art keywords
band
digital signal
sub
digital
decoder
Prior art date
Application number
AR90317016A
Other languages
English (en)
Original Assignee
Etat Francais 2 Telediffusion
3 N V Philips Gloeilampenfabri
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=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AR246135(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Etat Francais 2 Telediffusion, 3 N V Philips Gloeilampenfabri filed Critical Etat Francais 2 Telediffusion
Application granted granted Critical
Publication of AR246135A1 publication Critical patent/AR246135A1/es

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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Discrete Mathematics (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)

Abstract

UNA DISPOSICION DE TRANSMISION DIGITAL QUE TIENE UN TRANSMISOR Y UN RECEPTOR, INCLUYENDO EL TRANSMISOR UN CODIFICADOR E INCLUYENDO EL RECEPTOR UN DECODIFICADOR, PARA LA CODIFICACION DE SUB-BANDADE UNA SENAL DIGITAL, TAL COMO UNA SENAL DE AUDIO DIGITAL, QUE TIENE UN REGIMEN DE MUESTREO DADO SIENDO SENSIBLE EL CODIFICADOR A LA SENAL DIGITAL, PARA GENERAR UN NUMERO DE SENALES DE SUB-BANDAM CON REDUCCION DEL REGIMEN DE MUESTREO, DIVIDIENDO EL CODIFICADOR LA BANDA DE SENAL DIGITAL EN SUB-BANDAS SUCESIVAS DE NUMEROS DE BANDA M(1<M<M) QUE AUMENTA CON LA FRECUENCIA, SIENDO SENSIBLE EL DECODIFICADOR A LAS M SENALES DE SUB-BANDA PARA CONSTRUIR UNA REPLICA DE LA SENAL DIGITAL, FUSIONANDO ESTE DECODIFICADOR LAS SUB-BANDAS A LA BANDA DE SENAL DIGITAL, CON AUMENTO DEL REGIMEN DE MUESTREO, EL CODIFICADOR COMPRENDE UN MEDIO DE FILTRO DE ANALISIS Y UNA UNIDAD DE PROCESAMIENTO DE SENAL, EL MEDIO DE FILTRO DE ANALISIS COMPRENDE M FILTROS DE ANALISIS QUE TIENE CADA UNO UNA ENTRADA Y DOS SALIDAS, ESTA NDO ACOPLADAS LAS 2M SALIDAS EN LOS FILTROS A 2 M SALIDAS DEL MEDIO DE FILTRO DE ANALISIS.
AR90317016A 1989-06-02 1990-06-14 Disposicion de transmision digital usando codificacion de sub-banda de una senal digital. AR246135A1 (es)

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
AR246135A1 true AR246135A1 (es) 1994-03-30

Family

ID=8202401

Family Applications (1)

Application Number Title Priority Date Filing Date
AR90317016A AR246135A1 (es) 1989-06-02 1990-06-14 Disposicion de transmision digital usando codificacion de sub-banda de una senal digital.

Country Status (22)

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

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
DE69331166T2 (de) * 1992-02-03 2002-08-22 Koninkl Philips Electronics Nv Übertragung von digitalen Breitbandsignalen
TW235392B (es) * 1992-06-02 1994-12-01 Philips Electronics Nv
TW221836B (es) * 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
DE69432663T2 (de) * 1993-10-27 2004-03-11 Koninklijke Philips Electronics N.V. Senden und empfangen einer ersten und einer zweiten signalkomponente
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
DE69522883T2 (de) * 1994-05-19 2002-04-11 Koninkl Philips Electronics Nv Vorrichtung zur bestimmung des signalspektrums eines digitalen breitbandsignals und zur ableitung einer bitzuweisungsinformation
GB9414664D0 (en) * 1994-07-20 1994-09-07 British Aerospace Digital signal processing apparatus
DE69530214T2 (de) * 1994-09-02 2004-02-12 Koninklijke Philips Electronics N.V. Empfänger mit quadratur-dezimationsstufe und verfahren zur verarbeitung digitaler signale
BR9506449A (pt) * 1994-11-04 1997-09-02 Philips Electronics Nv Aparelhos para codificar um sinal de informação digital de banda larga e para decodificar um sinal digital codificado e processo de codificar um sinal de informação digital de banda larga
WO1997015984A1 (en) 1995-10-24 1997-05-01 Philips Electronics N.V. Repeated decoding and encoding in subband encoder/decoders
KR100418143B1 (ko) * 1995-11-21 2004-04-28 코닌클리케 필립스 일렉트로닉스 엔.브이. 디지털오디오신호를송수신하는송신기및수신기를갖는디지털전송시스템및전송방법
WO1997025794A2 (en) * 1996-01-12 1997-07-17 Philips Electronics N.V. Transmitter for and method of transmitting a wideband digital information signal, and receiver
IL121810A (en) * 1996-02-08 2000-08-13 Koninkl Philips Electronics Nv 7-channel transmission compatible with 5-channel transmission and 2-channel transmission
EP0853842B1 (en) * 1996-04-10 2003-07-09 Koninklijke Philips Electronics N.V. Encoding of a plurality of information signals
CA2184541A1 (en) 1996-08-30 1998-03-01 Tet Hin Yeap Method and apparatus for wavelet modulation of signals for transmission and/or storage
IL138230A (en) * 1999-01-07 2005-06-19 Koninkl Philips Electronics Nv 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
TWI618352B (zh) 2009-02-18 2018-03-11 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
DE3171311D1 (en) * 1981-07-28 1985-08-14 Ibm Voice coding method and arrangment for carrying out said method
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
FI902695A0 (fi) 1990-05-30
CN1050116A (zh) 1991-03-20
RU2145464C1 (ru) 2000-02-10
KR910002179A (ko) 1991-01-31
HK213496A (en) 1996-12-06
HUT56672A (en) 1991-09-30
EP0400755A1 (en) 1990-12-05
PT94224A (pt) 1992-06-30
PL285436A1 (en) 1991-03-11
CN1023280C (zh) 1993-12-22
DK0400755T3 (da) 1996-01-29
UA37174C2 (uk) 2001-05-15
CA2017841C (en) 2000-04-18
PL165159B1 (pl) 1994-11-30
ES2077631T3 (es) 1995-12-01
DE69022119T2 (de) 1996-04-18
US5214678A (en) 1993-05-25
PT94224B (pt) 1998-07-31
FI110349B (fi) 2002-12-31
DK133290D0 (da) 1990-05-30
CS277633B6 (en) 1993-03-17
BR9002618A (pt) 1991-08-20
CA2017841A1 (en) 1990-12-02
HU903285D0 (en) 1990-10-28
JPH0382233A (ja) 1991-04-08
AU634237B2 (en) 1993-02-18
KR0181292B1 (ko) 1999-05-15
AU5615890A (en) 1990-12-06
JP3069611B2 (ja) 2000-07-24
MX172514B (es) 1993-12-17
EP0400222A1 (en) 1990-12-05
EP0400755B1 (en) 1995-09-06
ATE127642T1 (de) 1995-09-15
DE69022119D1 (de) 1995-10-12
HU206572B (en) 1992-11-30
CS9002677A2 (en) 1991-08-13

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