[go: up one dir, main page]

CS277633B6 - Digital transmission system - Google Patents

Digital transmission system Download PDF

Info

Publication number
CS277633B6
CS277633B6 CS902677A CS267790A CS277633B6 CS 277633 B6 CS277633 B6 CS 277633B6 CS 902677 A CS902677 A CS 902677A CS 267790 A CS267790 A CS 267790A CS 277633 B6 CS277633 B6 CS 277633B6
Authority
CS
Czechoslovakia
Prior art keywords
signal
output
inputs
input
filter
Prior art date
Application number
CS902677A
Other languages
Czech (cs)
English (en)
Other versions
CS9002677A2 (en
Inventor
Jean Bernard Rault
Yves Francois Dehery
Jean Yves Roudaut
Original Assignee
France Etat
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=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CS277633(B6) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by France Etat, Telediffusion Fse, Philips Nv filed Critical France Etat
Publication of CS9002677A2 publication Critical patent/CS9002677A2/cs
Publication of CS277633B6 publication Critical patent/CS277633B6/cs

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)
  • Multimedia (AREA)
  • Discrete Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (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)
CS902677A 1989-06-02 1990-05-30 Digital transmission system CS277633B6 (en)

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 (2)

Publication Number Publication Date
CS9002677A2 CS9002677A2 (en) 1991-08-13
CS277633B6 true CS277633B6 (en) 1993-03-17

Family

ID=8202401

Family Applications (1)

Application Number Title Priority Date Filing Date
CS902677A CS277633B6 (en) 1989-06-02 1990-05-30 Digital transmission system

Country Status (22)

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

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 Koninklijke Philips Electronics N.V., Eindhoven Übertragung von digitalen Breitbandsignalen
TW235392B (fi) * 1992-06-02 1994-12-01 Philips Electronics Nv
TW221836B (fi) * 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
EP0648031B1 (en) * 1993-10-12 2007-08-01 Matsushita Electric Industrial Co., Ltd. Audio scrambling system for scrambling and descrambling audio signals
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
DE69529222T2 (de) * 1994-05-02 2003-10-09 Koninklijke Philips Electronics N.V., Eindhoven Einrichtung und verfahren zum kodieren eines digitalen signals mit mindestens einer ersten und einer zweiten digitalen signalkomponente
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
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
JP3390013B2 (ja) * 1994-11-04 2003-03-24 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 広帯域デジタル情報信号の符号化及び復号化
KR100463462B1 (ko) * 1995-10-24 2005-05-24 코닌클리케 필립스 일렉트로닉스 엔.브이. 인코딩,디코딩,및제어신호발생장치및인코딩,디코딩방법
JPH10513332A (ja) * 1995-11-21 1998-12-15 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 特定のワード長のサンプル形態で、且つ特定のサンプリング速度で発生するディジタルオーディオ信号伝送用伝送方式
DE69633719T2 (de) * 1996-01-12 2005-11-24 Koninklijke Philips Electronics N.V. Sender und verfahren zur übertragung eines breitbandigen, digitalen informationssignals
CN1161889C (zh) * 1996-02-08 2004-08-11 皇家菲利浦电子有限公司 数码多个数据信息信号的装置和方法和解码装置
KR100472402B1 (ko) * 1996-04-10 2005-07-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 복수의정보신호의부호화장치및방법
CA2184541A1 (en) 1996-08-30 1998-03-01 Tet Hin Yeap Method and apparatus for wavelet modulation of signals for transmission and/or storage
KR100712104B1 (ko) * 1999-01-07 2007-04-27 코닌클리케 필립스 일렉트로닉스 엔.브이. 디지털 정보신호의 인코딩 장치와 디코딩 장치, 및 인코딩 방법
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
TWI559680B (zh) 2009-02-18 2016-11-21 杜比國際公司 低延遲調變濾波器組及用以設計該低延遲調變濾波器組之方法
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
CN1023280C (zh) 1993-12-22
KR910002179A (ko) 1991-01-31
EP0400222A1 (en) 1990-12-05
EP0400755B1 (en) 1995-09-06
DE69022119D1 (de) 1995-10-12
CA2017841A1 (en) 1990-12-02
HK213496A (en) 1996-12-06
BR9002618A (pt) 1991-08-20
RU2145464C1 (ru) 2000-02-10
AU634237B2 (en) 1993-02-18
HU903285D0 (en) 1990-10-28
ES2077631T3 (es) 1995-12-01
CN1050116A (zh) 1991-03-20
DK0400755T3 (da) 1996-01-29
CA2017841C (en) 2000-04-18
DE69022119T2 (de) 1996-04-18
MX172514B (es) 1993-12-17
UA37174C2 (uk) 2001-05-15
HU206572B (en) 1992-11-30
EP0400755A1 (en) 1990-12-05
DK133290D0 (da) 1990-05-30
JPH0382233A (ja) 1991-04-08
PT94224A (pt) 1992-06-30
JP3069611B2 (ja) 2000-07-24
FI902695A0 (fi) 1990-05-30
PT94224B (pt) 1998-07-31
HUT56672A (en) 1991-09-30
AU5615890A (en) 1990-12-06
KR0181292B1 (ko) 1999-05-15
CS9002677A2 (en) 1991-08-13
ATE127642T1 (de) 1995-09-15
FI110349B (fi) 2002-12-31
PL285436A1 (en) 1991-03-11
AR246135A1 (es) 1994-03-30
PL165159B1 (pl) 1994-11-30
US5214678A (en) 1993-05-25

Similar Documents

Publication Publication Date Title
CS277633B6 (en) Digital transmission system
Nayebi et al. Low delay FIR filter banks: Design and evaluation
Karp et al. Modified DFT filter banks with perfect reconstruction
KR100253136B1 (ko) 저계산 복잡도의 디지탈 필터뱅크
EP1639703B1 (en) Rational sample rate conversion
US5890106A (en) Analysis-/synthesis-filtering system with efficient oddly-stacked singleband filter bank using time-domain aliasing cancellation
WO2010019192A1 (en) Sound field widening and phase decorrelation system and method
Kiya et al. A linear phase two-channel filter bank allowing perfect reconstruction
KR100389487B1 (ko) 정보부호화방법및장치,정보복호화방법및장치,및정보전송방법
Wada Design of nonuniform division multirate FIR filter banks
KR100210565B1 (ko) 디지탈 통신 시스템과 이에 사용되는 송신기 및 수신기, 이를 이용한 기록 및 재생장치
Henriquez et al. A phase-linear audio equalizer: Design and implementation
Jiang et al. High-performance IIR QMF banks for speech subband coding
EP0593850B1 (en) Method and apparatus for subband filtering of a stereo audio signal
Argenti et al. Non-uniform filter banks based on a multi-prototype cosine modulation
Argenti Design of cosine-modulated filterbanks for partial spectrum reconstruction
Millar Mirror filters with minimum delay responses for use in subband coders
EP0827647B1 (en) Analysis/synthesis filtering system with efficient oddly-stacked single-sideband filter bank using time-domain aliasing cancellation
Malvar et al. Transform/subband coding of speech with the lapped orthogonal transform
Sahu et al. Time domain analysis of two-channel QMF bank
Khan et al. Sub band coder design for audio compression
Tanner Jr A Software Simulator for Sub-Band Filter-Bank Analysis
Yasukawa Estimation of impulse response using a subband adaptive digital filter
Williamson et al. Channel equalization using adaptive subband filters
Dillen A real-time 8ubband codec

Legal Events

Date Code Title Description
IF00 In force as of 2000-06-30 in czech republic
MK4A Patent expired

Effective date: 20100530