AU765331B2 - Avoiding forbidden patterns in audio or video data - Google Patents

Avoiding forbidden patterns in audio or video data Download PDF

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Publication number
AU765331B2
AU765331B2 AU60611/99A AU6061199A AU765331B2 AU 765331 B2 AU765331 B2 AU 765331B2 AU 60611/99 A AU60611/99 A AU 60611/99A AU 6061199 A AU6061199 A AU 6061199A AU 765331 B2 AU765331 B2 AU 765331B2
Authority
AU
Australia
Prior art keywords
segment
data pattern
digital
information
forbidden
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
Application number
AU60611/99A
Other languages
English (en)
Other versions
AU6061199A (en
Inventor
Mark Franklin Davis
Louis Dunn Fielder
Stephen Decker Vernon
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.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing Corp
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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of AU6061199A publication Critical patent/AU6061199A/en
Application granted granted Critical
Publication of AU765331B2 publication Critical patent/AU765331B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
    • H03K19/21—EXCLUSIVE-OR circuits, i.e. giving output if input signal exists at only one input; COINCIDENCE circuits, i.e. giving output only if all input signals are identical
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1285—Status of the record carrier, e.g. space bit maps, flags indicating a formatting status or a write permission

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)
  • Stereophonic System (AREA)
  • Editing Of Facsimile Originals (AREA)
AU60611/99A 1998-10-19 1999-09-27 Avoiding forbidden patterns in audio or video data Expired AU765331B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/175090 1998-10-19
US09/175,090 US6233718B1 (en) 1998-10-19 1998-10-19 Avoiding forbidden data patterns in coded audio data
PCT/US1999/022410 WO2000024171A1 (en) 1998-10-19 1999-09-27 Avoiding forbidden patterns in audio or video data

Publications (2)

Publication Number Publication Date
AU6061199A AU6061199A (en) 2000-05-08
AU765331B2 true AU765331B2 (en) 2003-09-18

Family

ID=22638838

Family Applications (1)

Application Number Title Priority Date Filing Date
AU60611/99A Expired AU765331B2 (en) 1998-10-19 1999-09-27 Avoiding forbidden patterns in audio or video data

Country Status (13)

Country Link
US (1) US6233718B1 (enExample)
EP (1) EP1123611B1 (enExample)
JP (1) JP4424855B2 (enExample)
KR (1) KR100628814B1 (enExample)
AT (1) ATE265776T1 (enExample)
AU (1) AU765331B2 (enExample)
CA (1) CA2346081C (enExample)
DE (1) DE69916874T2 (enExample)
DK (1) DK1123611T3 (enExample)
ES (1) ES2216637T3 (enExample)
MY (1) MY128198A (enExample)
TW (1) TW479219B (enExample)
WO (1) WO2000024171A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7558276B2 (en) * 2004-11-05 2009-07-07 Cisco Technology, Inc. System and method for retrieving computed paths from a path computation element using a path key
JP2007058509A (ja) * 2005-08-24 2007-03-08 Toshiba Corp 言語処理システム
WO2007027741A2 (en) * 2005-08-29 2007-03-08 Mrv Communications, Inc. Transmission of pathological data patterns
GB2430510B (en) * 2005-09-27 2011-05-25 Snell & Wilcox Ltd Improved scrambling
TWI591625B (zh) 2009-05-27 2017-07-11 杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
EP3151570B1 (en) 2015-09-30 2018-03-14 intoPIX Method and device for mapping a data stream into an sdi channel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991016778A1 (en) * 1990-04-12 1991-10-31 British Telecommunications Public Limited Company System to prevent a scrambler from generating undesired symbols

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878331A (en) 1972-10-20 1975-04-15 Barrie O Morgan Digital cryptographic system and method
FR2439444A1 (fr) 1978-10-18 1980-05-16 Lapeyronnie E Dispositif reversible de sur-codage pour la transmission confidentielle d'information pouvant etre imprimee
JP3110035B2 (ja) * 1990-06-07 2000-11-20 株式会社東芝 携帯可能電子装置
AU669114B2 (en) * 1991-05-29 1996-05-30 Pacific Microsonics, Inc. Improved signal encode/decode system
US5473328A (en) 1992-11-13 1995-12-05 Sony Corporation Method and apparatus for transmitting digital data
GB9312136D0 (en) 1993-06-11 1993-07-28 Inmos Ltd Transmission of messages
CA2456968C (en) 1994-02-15 2005-01-25 Philips Electronics N.V. Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, decoding device, recording device, reading device, signal, as well as a record carrier
FI98027C (fi) 1995-01-10 1997-03-25 Nokia Telecommunications Oy Pakettiradiojärjestelmä ja päätelaitteisto pakettiradiojärjestelmää varten
US6028639A (en) 1997-12-19 2000-02-22 Thomson Consumer Electronics, Inc. Process and apparatus for converting an MPEG-2 bitstream into SMPTE-259 compatible bitstream

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991016778A1 (en) * 1990-04-12 1991-10-31 British Telecommunications Public Limited Company System to prevent a scrambler from generating undesired symbols

Also Published As

Publication number Publication date
ES2216637T3 (es) 2004-10-16
HK1040146A1 (en) 2002-05-24
AU6061199A (en) 2000-05-08
WO2000024171A1 (en) 2000-04-27
CA2346081A1 (en) 2000-04-27
EP1123611B1 (en) 2004-04-28
JP2002528964A (ja) 2002-09-03
EP1123611A1 (en) 2001-08-16
US6233718B1 (en) 2001-05-15
DE69916874D1 (de) 2004-06-03
DE69916874T2 (de) 2005-04-07
KR100628814B1 (ko) 2006-09-26
KR20010080225A (ko) 2001-08-22
TW479219B (en) 2002-03-11
DK1123611T3 (da) 2004-08-09
JP4424855B2 (ja) 2010-03-03
CA2346081C (en) 2007-07-17
MY128198A (en) 2007-01-31
ATE265776T1 (de) 2004-05-15

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired