CA2346081C - Avoiding forbidden patterns in audio or video data - Google Patents
Avoiding forbidden patterns in audio or video data Download PDFInfo
- Publication number
- CA2346081C CA2346081C CA002346081A CA2346081A CA2346081C CA 2346081 C CA2346081 C CA 2346081C CA 002346081 A CA002346081 A CA 002346081A CA 2346081 A CA2346081 A CA 2346081A CA 2346081 C CA2346081 C CA 2346081C
- Authority
- CA
- Canada
- 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 - Lifetime
Links
- 238000006467 substitution reaction Methods 0.000 claims abstract description 188
- 238000000034 method Methods 0.000 claims abstract description 161
- 238000000638 solvent extraction Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims 31
- 230000002441 reversible effect Effects 0.000 abstract description 3
- 230000010365 information processing Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 16
- 238000005192 partition Methods 0.000 description 10
- 239000000284 extract Substances 0.000 description 9
- 238000011084 recovery Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/175,090 US6233718B1 (en) | 1998-10-19 | 1998-10-19 | Avoiding forbidden data patterns in coded audio data |
| US09/175,090 | 1998-10-19 | ||
| 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 |
|---|---|
| CA2346081A1 CA2346081A1 (en) | 2000-04-27 |
| CA2346081C true CA2346081C (en) | 2007-07-17 |
Family
ID=22638838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002346081A Expired - Lifetime CA2346081C (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)
| 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 |
Family Cites Families (10)
| 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 |
| GB9008374D0 (en) | 1990-04-12 | 1990-06-13 | British Telecomm | Communication system |
| 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 |
-
1998
- 1998-10-19 US US09/175,090 patent/US6233718B1/en not_active Expired - Lifetime
-
1999
- 1999-09-27 DK DK99970818T patent/DK1123611T3/da active
- 1999-09-27 AU AU60611/99A patent/AU765331B2/en not_active Expired
- 1999-09-27 ES ES99970818T patent/ES2216637T3/es not_active Expired - Lifetime
- 1999-09-27 AT AT99970818T patent/ATE265776T1/de active
- 1999-09-27 JP JP2000577810A patent/JP4424855B2/ja not_active Expired - Lifetime
- 1999-09-27 KR KR1020017004851A patent/KR100628814B1/ko not_active Expired - Lifetime
- 1999-09-27 CA CA002346081A patent/CA2346081C/en not_active Expired - Lifetime
- 1999-09-27 WO PCT/US1999/022410 patent/WO2000024171A1/en not_active Ceased
- 1999-09-27 DE DE69916874T patent/DE69916874T2/de not_active Expired - Lifetime
- 1999-09-27 EP EP99970818A patent/EP1123611B1/en not_active Expired - Lifetime
- 1999-10-18 MY MYPI99004492A patent/MY128198A/en unknown
- 1999-10-19 TW TW088118063A patent/TW479219B/zh not_active IP Right Cessation
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 |
| MY128198A (en) | 2007-01-31 |
| AU765331B2 (en) | 2003-09-18 |
| ATE265776T1 (de) | 2004-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20190927 |
|
| MKEX | Expiry |
Effective date: 20190927 |