DE69008731D1 - Wortbreitenreduzierungssystem für videosignalverarbeitung und - übertragung. - Google Patents

Wortbreitenreduzierungssystem für videosignalverarbeitung und - übertragung.

Info

Publication number
DE69008731D1
DE69008731D1 DE69008731T DE69008731T DE69008731D1 DE 69008731 D1 DE69008731 D1 DE 69008731D1 DE 69008731 T DE69008731 T DE 69008731T DE 69008731 T DE69008731 T DE 69008731T DE 69008731 D1 DE69008731 D1 DE 69008731D1
Authority
DE
Germany
Prior art keywords
pct
words
series
bit
input signal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69008731T
Other languages
English (en)
Other versions
DE69008731T2 (de
Inventor
Antonius Johannes Rober Coenen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technische Universiteit Delft
Original Assignee
Technische Universiteit Delft
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
Priority claimed from NL8902368A external-priority patent/NL8902368A/nl
Application filed by Technische Universiteit Delft filed Critical Technische Universiteit Delft
Publication of DE69008731D1 publication Critical patent/DE69008731D1/de
Application granted granted Critical
Publication of DE69008731T2 publication Critical patent/DE69008731T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/76—Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data
    • G06F7/78—Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data for changing the order of data flow, e.g. matrix transposition or LIFO buffers; Overflow or underflow handling therefor
    • 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
    • H03M7/3042—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator being of the error feedback type, i.e. having loop filter stages in the feedback path only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M7/3028—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Television Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Details Of Television Scanning (AREA)
DE69008731T 1989-09-21 1990-09-20 Wortbreitenreduzierungssystem für videosignalverarbeitung und - übertragung. Expired - Fee Related DE69008731T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL8902368A NL8902368A (nl) 1989-09-21 1989-09-21 Inrichting voor het reduceren van de bit-rate van een pcm signaal ten behoeve van videotransmissie.
NL8902751A NL8902751A (nl) 1989-09-21 1989-11-07 Inrichting voor woordbreedtereductie ten behoeve van digitale videosignaalbehandeling en -transmissie.
PCT/NL1990/000137 WO1991004611A1 (en) 1989-09-21 1990-09-20 Word width reduction system for videosignal processing and transmission

Publications (2)

Publication Number Publication Date
DE69008731D1 true DE69008731D1 (de) 1994-06-09
DE69008731T2 DE69008731T2 (de) 1994-11-10

Family

ID=26646585

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69008731T Expired - Fee Related DE69008731T2 (de) 1989-09-21 1990-09-20 Wortbreitenreduzierungssystem für videosignalverarbeitung und - übertragung.

Country Status (8)

Country Link
US (1) US5283577A (de)
EP (1) EP0493466B1 (de)
AT (1) ATE105449T1 (de)
DE (1) DE69008731T2 (de)
DK (1) DK0493466T3 (de)
ES (1) ES2053204T3 (de)
NL (1) NL8902751A (de)
WO (1) WO1991004611A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04329714A (ja) * 1991-04-30 1992-11-18 Nec Ic Microcomput Syst Ltd ノイズシェーバ回路
US5592161A (en) * 1992-12-16 1997-01-07 Victor Company Of Japan, Ltd. Method and apparatus for processing data signals in high quality without deterioration of signal-noise ratio
US6204889B1 (en) * 1995-12-15 2001-03-20 Canon Kabushiki Kaisha Image information processing apparatus
GB9611138D0 (en) * 1996-05-29 1996-07-31 Domain Dynamics Ltd Signal processing arrangements
FR2765419B1 (fr) * 1997-06-27 1999-09-17 Thomson Csf Dispositif de generation de signaux analogiques a partir de convertisseurs analogique-numerique, notamment pour la synthese numerique directe
US6504495B1 (en) * 1999-02-17 2003-01-07 Arm Limited Clipping data values in a data processing system
EP1096368A1 (de) * 1999-10-25 2001-05-02 Telefonaktiebolaget L M Ericsson (Publ) Verfahren und Gerät zur Auflösungsanpassung
US7191200B2 (en) * 2003-07-10 2007-03-13 Silicon Integrated Systems Corporation Method and apparatus for binary number conversion
US9350379B1 (en) * 2015-01-15 2016-05-24 Huawei Technologies Co., Ltd. System and method for data conversion of signals using noise shaping

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006475A (en) * 1973-12-04 1977-02-01 Bell Telephone Laboratories, Incorporated Digital-to-analog converter with digitally distributed amplitude supplement
DE3021012C2 (de) * 1980-06-03 1985-08-22 ANT Nachrichtentechnik GmbH, 7150 Backnang Verallgemeinertes interpolativers Verfahren zur Digital-Analog-Umsetzung von PCM Signalen
US4593271A (en) * 1985-01-16 1986-06-03 At&T Bell Laboratories Higher order interpolation for digital-to-analog conversion
JPH01233921A (ja) * 1988-03-15 1989-09-19 Toshiba Corp △−σ変調器を用いたａ／ｄ変換回路

Also Published As

Publication number Publication date
NL8902751A (nl) 1991-04-16
DK0493466T3 (da) 1994-06-06
ES2053204T3 (es) 1994-07-16
US5283577A (en) 1994-02-01
EP0493466B1 (de) 1994-05-04
EP0493466A1 (de) 1992-07-08
DE69008731T2 (de) 1994-11-10
ATE105449T1 (de) 1994-05-15
WO1991004611A1 (en) 1991-04-04

Similar Documents

Publication Publication Date Title
US4468790A (en) System for the quantization of signals
CA1112366A (en) Apparatus for analog to digital conversion
US5579430A (en) Digital encoding process
KR850700207A (ko) 비데오 및 오디오 신호 전송용 송신기
HUT63269A (en) High-activity coder and decoder for digital data
JPH0364116A (ja) ディジタル雑音信号発生回路
DE3751449D1 (de) Digitales codierverfahren.
DE69008731D1 (de) Wortbreitenreduzierungssystem für videosignalverarbeitung und - übertragung.
ES8106383A1 (es) Un recortador para disminuir la cadencia de palabra de una senal digital del tipo utilizado en sistemas telefonicos digitales
KR890013877A (ko) 디지탈 신호의 처리방법 및 장치
US4191858A (en) Block digital processing system for nonuniformly encoded digital words
US4731834A (en) Adaptive filter including signal path compensation
Boddie et al. Digital signal processor: Adaptive differential pulse-code-modulation coding
JP2858122B2 (ja) デジタル適応変換符号化方法
EP0177239A2 (de) Adaptiver Filter mit Signalwegkompensation
JPS56156039A (en) Pcm communication system
JPS5866440A (ja) 波形符号化方式
Berouti et al. High quality adaptive predictive coding of speech
GB1596943A (en) Level control of digital signals
FR2160030A5 (de)
JPS63289600A (ja) 音声符号化方式
JP2949708B2 (ja) デイジタル信号処理装置
SU995305A1 (ru) Кодек с импульсно-кодовой модул цией
Soufizadeh Threshold extension in weighted PCM with arbitrary probability distribution and nonuniform quantization (Corresp.)
KR960003627B1 (ko) 서브 밴드 부호화된 오디오 신호의 난청자용 복호화 방법

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee