HK76796A - Device for transmitting data words representing a digitized analog signal and device for receiving the transmitted data words - Google Patents

Device for transmitting data words representing a digitized analog signal and device for receiving the transmitted data words

Info

Publication number
HK76796A
HK76796A HK76796A HK76796A HK76796A HK 76796 A HK76796 A HK 76796A HK 76796 A HK76796 A HK 76796A HK 76796 A HK76796 A HK 76796A HK 76796 A HK76796 A HK 76796A
Authority
HK
Hong Kong
Prior art keywords
data words
receiving
analog signal
digitized analog
transmitting data
Prior art date
Application number
HK76796A
Other languages
English (en)
Inventor
Gerrit Johan Keesman
Raymond Nicolaas J Veldhuis
Original Assignee
Koninkl Philips Electronics 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of HK76796A publication Critical patent/HK76796A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00Methods or arrangements for data conversion without changing the order or content of the data handled
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007Time or data compression or expansion
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10527Audio or video recording; Data buffering arrangements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • 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
    • H04B1/665Details 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 psychoacoustic properties of the ear, e.g. masking effect
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/12Arrangements providing for calling or supervisory signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/12Arrangements providing for calling or supervisory signals
    • H04J3/125One of the channel pulses or the synchronisation pulse is also used for transmitting monitoring or supervisory signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382Demodulation or channel decoding, e.g. QPSK demodulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/025Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/24Systems for the transmission of television signals using pulse code modulation
    • H04N7/52Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • H04N7/54Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Dc Digital Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
HK76796A 1988-09-16 1996-05-02 Device for transmitting data words representing a digitized analog signal and device for receiving the transmitted data words HK76796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8802291A NL8802291A (nl) 1988-09-16 1988-09-16 Inrichting voor het verzenden van datawoorden welke een gedigitaliseerde analoog signaal vertegenwoordigen en een inrichting voor het ontvangen van de verzonden datawoorden.

Publications (1)

Publication Number Publication Date
HK76796A true HK76796A (en) 1996-05-10

Family

ID=19852914

Family Applications (1)

Application Number Title Priority Date Filing Date
HK76796A HK76796A (en) 1988-09-16 1996-05-02 Device for transmitting data words representing a digitized analog signal and device for receiving the transmitted data words

Country Status (7)

Country Link
US (1) US5146457A (fr)
EP (2) EP0359325B1 (fr)
JP (1) JP3038219B2 (fr)
KR (1) KR0161511B1 (fr)
DE (2) DE68919958T2 (fr)
HK (1) HK76796A (fr)
NL (1) NL8802291A (fr)

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930002134B1 (ko) * 1990-10-24 1993-03-26 삼성전자 주식회사 병렬 데이타 전송 처리회로
JPH04185119A (ja) * 1990-11-20 1992-07-02 Matsushita Electric Ind Co Ltd 可変長符号化装置
JP3459417B2 (ja) * 1991-05-29 2003-10-20 パシフィック、マイクロソニックス、インコーポレーテッド 符号化する方法およびシステム、復号化し変換する方法およびシステム
US6301369B2 (en) 1992-07-31 2001-10-09 Digimarc Corporation Image marking to permit later identification
US5721788A (en) 1992-07-31 1998-02-24 Corbis Corporation Method and system for digital image signatures
DE59306470D1 (de) * 1992-10-16 1997-06-19 Gerold Tebbe Aufzeichnungsträger und gerät zum erzeugen von tönen und/oder bildern
GB9222972D0 (en) * 1992-11-03 1992-12-16 Thames Television Transmitting audio and data signals simultaneously
FR2700632B1 (fr) * 1993-01-21 1995-03-24 France Telecom Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués.
WO1994021051A1 (fr) * 1993-03-10 1994-09-15 Awacs Communications (Nz) Limited Reseau perfectionne de transmission radioelectrique unidirectionnelle de donnees a sept bits
US6983051B1 (en) * 1993-11-18 2006-01-03 Digimarc Corporation Methods for audio watermarking and decoding
US6424725B1 (en) 1996-05-16 2002-07-23 Digimarc Corporation Determining transformations of media signals with embedded code signals
US6636615B1 (en) 1998-01-20 2003-10-21 Digimarc Corporation Methods and systems using multiple watermarks
US6408082B1 (en) 1996-04-25 2002-06-18 Digimarc Corporation Watermark detection using a fourier mellin transform
US20020009208A1 (en) * 1995-08-09 2002-01-24 Adnan Alattar Authentication of physical and electronic media objects using digital watermarks
US5768426A (en) 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US7171016B1 (en) 1993-11-18 2007-01-30 Digimarc Corporation Method for monitoring internet dissemination of image, video and/or audio files
US5748763A (en) * 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US6757406B2 (en) 1993-11-18 2004-06-29 Digimarc Corporation Steganographic image processing
US6516079B1 (en) 2000-02-14 2003-02-04 Digimarc Corporation Digital watermark screening and detecting strategies
US6122403A (en) 1995-07-27 2000-09-19 Digimarc Corporation Computer system linked by using information in data objects
US6944298B1 (en) 1993-11-18 2005-09-13 Digimare Corporation Steganographic encoding and decoding of auxiliary codes in media signals
US6681029B1 (en) 1993-11-18 2004-01-20 Digimarc Corporation Decoding steganographic messages embedded in media signals
US6574350B1 (en) 1995-05-08 2003-06-03 Digimarc Corporation Digital watermarking employing both frail and robust watermarks
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US5822436A (en) * 1996-04-25 1998-10-13 Digimarc Corporation Photographic products and methods employing embedded information
US6611607B1 (en) 1993-11-18 2003-08-26 Digimarc Corporation Integrating digital watermarks in multimedia content
US6614914B1 (en) 1995-05-08 2003-09-02 Digimarc Corporation Watermark embedder and reader
US7044395B1 (en) 1993-11-18 2006-05-16 Digimarc Corporation Embedding and reading imperceptible codes on objects
US6681028B2 (en) 1995-07-27 2004-01-20 Digimarc Corporation Paper-based control of computer systems
US6522770B1 (en) 1999-05-19 2003-02-18 Digimarc Corporation Management of documents and other objects using optical devices
US7039214B2 (en) 1999-11-05 2006-05-02 Digimarc Corporation Embedding watermark components during separate printing stages
US6869023B2 (en) 2002-02-12 2005-03-22 Digimarc Corporation Linking documents through digital watermarking
DE4415288A1 (de) * 1994-04-30 1995-11-02 Ant Nachrichtentech Verfahren zur Aufbereitung und Wiedergewinnung von Daten sowie Anordnung hierzu
US8094949B1 (en) 1994-10-21 2012-01-10 Digimarc Corporation Music methods and systems
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
US6535618B1 (en) 1994-10-21 2003-03-18 Digimarc Corporation Image capture device with steganographic data embedding
US7724919B2 (en) 1994-10-21 2010-05-25 Digimarc Corporation Methods and systems for steganographic processing
US6721440B2 (en) 1995-05-08 2004-04-13 Digimarc Corporation Low visibility watermarks using an out-of-phase color
US6590996B1 (en) 2000-02-14 2003-07-08 Digimarc Corporation Color adaptive watermarking
US6744906B2 (en) 1995-05-08 2004-06-01 Digimarc Corporation Methods and systems using multiple watermarks
US7224819B2 (en) 1995-05-08 2007-05-29 Digimarc Corporation Integrating digital watermarks in multimedia content
US6408331B1 (en) 1995-07-27 2002-06-18 Digimarc Corporation Computer linking methods using encoded graphics
US7051086B2 (en) 1995-07-27 2006-05-23 Digimarc Corporation Method of linking on-line data to printed documents
US6411725B1 (en) 1995-07-27 2002-06-25 Digimarc Corporation Watermark enabled video objects
US6577746B1 (en) 1999-12-28 2003-06-10 Digimarc Corporation Watermark-based object linking and embedding
US6829368B2 (en) 2000-01-26 2004-12-07 Digimarc Corporation Establishing and interacting with on-line media collections using identifiers in media signals
US7171018B2 (en) 1995-07-27 2007-01-30 Digimarc Corporation Portable devices and methods employing digital watermarking
US6788800B1 (en) 2000-07-25 2004-09-07 Digimarc Corporation Authenticating objects using embedded data
EP0801852A1 (fr) * 1995-10-24 1997-10-22 Koninklijke Philips Electronics N.V. Codage et decodage repetes dans les codeurs/decodeurs de sous-bandes
US7715446B2 (en) * 1996-04-25 2010-05-11 Digimarc Corporation Wireless methods and devices employing plural-bit data derived from audio information
US20030056103A1 (en) * 2000-12-18 2003-03-20 Levy Kenneth L. Audio/video commerce application architectural framework
US6307949B1 (en) 1996-05-07 2001-10-23 Digimarc Corporation Methods for optimizing watermark detection
US6381341B1 (en) 1996-05-16 2002-04-30 Digimarc Corporation Watermark encoding method exploiting biases inherent in original signal
DE19652187A1 (de) * 1996-12-14 1998-06-18 Asea Brown Boveri Verfahren zum Übertragen von digitalisierten Nutzdaten und Signalisierungsdaten über einen Kanal
US5793318A (en) * 1997-02-05 1998-08-11 Hewlett-Packard Company System for preventing of crosstalk between a raw digital output signal and an analog input signal in an analog-to-digital converter
AUPO521897A0 (en) * 1997-02-20 1997-04-11 Telstra R & D Management Pty Ltd Invisible digital watermarks
US6912658B1 (en) 1997-08-22 2005-06-28 Purdue Research Foundation Hiding of encrypted data
WO1999011020A1 (fr) * 1997-08-22 1999-03-04 Purdue Research Foundation Masquage de donnees cryptees
EP0901282B1 (fr) 1997-09-03 2006-06-28 Hitachi, Ltd. Procédé pour enregistrer et reproduire de l'information de filigrane électronique
US6850626B2 (en) 1998-01-20 2005-02-01 Digimarc Corporation Methods employing multiple watermarks
US6773547B2 (en) * 1998-05-08 2004-08-10 American Air Liquide, Inc. Process for the bleaching of low consistency pulp using high partial pressure ozone
US6792542B1 (en) 1998-05-12 2004-09-14 Verance Corporation Digital system for embedding a pseudo-randomly modulated auxiliary data sequence in digital samples
MXPA00011095A (es) * 1998-05-12 2002-07-02 Verance Corp Transporte de datos digitales ocultos (dhdt).
US7055034B1 (en) 1998-09-25 2006-05-30 Digimarc Corporation Method and apparatus for robust embedded data
US8103542B1 (en) 1999-06-29 2012-01-24 Digimarc Corporation Digitally marked objects and promotional methods
JP2003505956A (ja) 1999-07-15 2003-02-12 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 情報信号への補助データの組み込み
US6608919B1 (en) 1999-11-10 2003-08-19 Digimarc Corporation Method and apparatus for encoding paper with information
US6625297B1 (en) 2000-02-10 2003-09-23 Digimarc Corporation Self-orienting watermarks
AU2001255445A1 (en) 2000-04-17 2001-10-30 Digimarc Corporation Authentication of physical and electronic media objects using digital watermarks
US6804377B2 (en) 2000-04-19 2004-10-12 Digimarc Corporation Detecting information hidden out-of-phase in color channels
US7111168B2 (en) 2000-05-01 2006-09-19 Digimarc Corporation Digital watermarking systems
US6674876B1 (en) 2000-09-14 2004-01-06 Digimarc Corporation Watermarking in the time-frequency domain
WO2002039714A2 (fr) * 2000-11-08 2002-05-16 Digimarc Corporation Authentification et recuperation de contenu a l'aide de filigranes numeriques
CN1462443A (zh) 2001-05-15 2003-12-17 皇家菲利浦电子有限公司 在信息信号中嵌入辅助数据
US7515730B2 (en) * 2001-12-13 2009-04-07 Digimarc Corporation Progressive image quality control using watermarking
US7561714B2 (en) * 2001-12-13 2009-07-14 Digimarc Corporation Reversible watermarking
US7006662B2 (en) * 2001-12-13 2006-02-28 Digimarc Corporation Reversible watermarking using expansion, rate control and iterative embedding
US8059815B2 (en) * 2001-12-13 2011-11-15 Digimarc Corporation Transforming data files into logical storage units for auxiliary data through reversible watermarks
US7187780B2 (en) * 2001-12-13 2007-03-06 Digimarc Corporation Image processing methods using reversible watermarking
ATE509326T1 (de) 2001-12-18 2011-05-15 L 1 Secure Credentialing Inc Mehrfachbildsicherheitsmerkmale zur identifikation von dokumenten und verfahren zu ihrer herstellung
ATE555911T1 (de) 2001-12-24 2012-05-15 L 1 Secure Credentialing Inc Verfahren zur vollfarb-markierung von id- dokumenten
US7694887B2 (en) 2001-12-24 2010-04-13 L-1 Secure Credentialing, Inc. Optically variable personalized indicia for identification documents
US7728048B2 (en) 2002-12-20 2010-06-01 L-1 Secure Credentialing, Inc. Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
CA2471457C (fr) 2001-12-24 2011-08-02 Digimarc Id Systems, Llc Documents d'identification comprenant des informations invisibles variables et leurs procedes de production
US7824029B2 (en) 2002-05-10 2010-11-02 L-1 Secure Credentialing, Inc. Identification card printer-assembler for over the counter card issuing
US7804982B2 (en) 2002-11-26 2010-09-28 L-1 Secure Credentialing, Inc. Systems and methods for managing and detecting fraud in image databases used with identification documents
US7712673B2 (en) 2002-12-18 2010-05-11 L-L Secure Credentialing, Inc. Identification document with three dimensional image of bearer
CA2522551C (fr) 2003-04-16 2009-12-22 Digimarc Corporation Stockage de donnees en trois dimensions
US7744002B2 (en) 2004-03-11 2010-06-29 L-1 Secure Credentialing, Inc. Tamper evident adhesive and identification document including same
US7229866B2 (en) * 2004-03-15 2007-06-12 Velox Semiconductor Corporation Non-activated guard ring for semiconductor devices
CN107431906B (zh) * 2015-04-15 2020-02-21 华为技术有限公司 参考信号发送与接收方法及装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1203768A (en) * 1966-10-27 1970-09-03 Mini Of Technology London Improvements in or relating to telecommunications apparatus
US4079203A (en) * 1977-03-30 1978-03-14 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for transmitting auxiliary channel over digital communications system
SE404982B (sv) * 1977-12-22 1978-11-06 Ericsson Telefon Ab L M Sett och anordning for att i en telefonianleggning overfora digital information
GB2063018B (en) * 1979-10-08 1984-03-28 Gen Electric Co Ltd Telecommunication systems
US4377860A (en) * 1981-01-05 1983-03-22 American Microsystems, Inc. Bandwidth reduction method and structure for combining voice and data in a PCM channel
US4476559A (en) * 1981-11-09 1984-10-09 At&T Bell Laboratories Simultaneous transmission of voice and data signals over a digital channel
NL8303859A (nl) * 1983-11-10 1985-06-03 Philips Nv Selektief scramblen bij compact disc.
US4581746A (en) * 1983-12-27 1986-04-08 At&T Bell Laboratories Technique for insertion of digital data bursts into an adaptively encoded information bit stream
DE3523809A1 (de) * 1985-05-21 1986-11-27 Polygram Gmbh, 2000 Hamburg Verfahren zur zeitkompression von informationen in digitaler form
US4730312A (en) * 1986-02-21 1988-03-08 San/Bar Corporation Voice, data or both over one telephone line in a T-1 carrier system
US4901344A (en) * 1988-08-31 1990-02-13 156721 Canada Incorporated Telephone system digital channel bank interface

Also Published As

Publication number Publication date
EP0359325B1 (fr) 1994-12-14
EP0545915B1 (fr) 1997-12-10
KR900005281A (ko) 1990-04-13
EP0545915A3 (en) 1993-07-14
DE68928493D1 (de) 1998-01-22
EP0545915A2 (fr) 1993-06-09
DE68919958D1 (de) 1995-01-26
DE68919958T2 (de) 1995-06-29
US5146457A (en) 1992-09-08
DE68928493T2 (de) 1998-06-04
NL8802291A (nl) 1990-04-17
JP3038219B2 (ja) 2000-05-08
JPH02119446A (ja) 1990-05-07
KR0161511B1 (ko) 1999-01-15
EP0359325A1 (fr) 1990-03-21

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