DE3271860D1 - Digital television signal processing - Google Patents
Digital television signal processingInfo
- Publication number
- DE3271860D1 DE3271860D1 DE8282301343T DE3271860T DE3271860D1 DE 3271860 D1 DE3271860 D1 DE 3271860D1 DE 8282301343 T DE8282301343 T DE 8282301343T DE 3271860 T DE3271860 T DE 3271860T DE 3271860 D1 DE3271860 D1 DE 3271860D1
- Authority
- DE
- Germany
- Prior art keywords
- block
- data
- sub
- blocks
- followed
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
-
- 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
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1806—Pulse code modulation systems for audio signals
- G11B20/1813—Pulse code modulation systems for audio signals by adding special bits or symbols to the coded information
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/94—Signal drop-out compensation
- H04N5/945—Signal drop-out compensation for signals recorded by pulse code modulation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8108998A GB2095440B (en) | 1981-03-23 | 1981-03-23 | Digital television signal processing |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3271860D1 true DE3271860D1 (en) | 1986-08-07 |
Family
ID=10520577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282301343T Expired DE3271860D1 (en) | 1981-03-23 | 1982-03-16 | Digital television signal processing |
Country Status (7)
Country | Link |
---|---|
US (1) | US4447902A (de) |
EP (1) | EP0061288B1 (de) |
JP (1) | JPS57157655A (de) |
AT (1) | ATE20634T1 (de) |
CA (1) | CA1172748A (de) |
DE (1) | DE3271860D1 (de) |
GB (1) | GB2095440B (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4519054A (en) * | 1982-06-03 | 1985-05-21 | News Log International, Inc. | Method for formatting optically encoded digital data on a substrate and the data record carrier formed thereby |
GB2122778B (en) * | 1982-06-29 | 1985-09-11 | Sony Corp | Digital audio signal processing |
US4534031A (en) * | 1982-08-02 | 1985-08-06 | News Log International | Coded data on a record carrier and method for encoding same |
GB2132393B (en) * | 1982-12-17 | 1986-05-14 | Sony Corp | Methods and apparatus for correcting errors in binary data |
US4525838A (en) * | 1983-02-28 | 1985-06-25 | International Business Machines Corporation | Multibyte error correcting system involving a two-level code structure |
GB8309768D0 (en) * | 1983-04-11 | 1983-05-18 | Indep Broadcasting Authority | Error protection of linearly coded digital signals |
US4564945A (en) * | 1983-06-20 | 1986-01-14 | Reference Technology, Inc. | Error-correction code for digital data on video disc |
GB2143659B (en) * | 1983-07-19 | 1986-11-05 | Sony Corp | Methods of and apparatus for correcting errors in binary data |
JPH0770177B2 (ja) * | 1984-01-25 | 1995-07-31 | 株式会社日立製作所 | ディジタル信号再生装置 |
US4627058A (en) * | 1984-01-27 | 1986-12-02 | Pioneer Electronic Corporation | Code error correction method |
US4599722A (en) * | 1984-04-03 | 1986-07-08 | Canadian Patents And Development Limited-Societe Canadienne Des Brevets Et D'exploitation Limitee | Apparatus for encoding and decoding digital data to permit error correction |
US4769818A (en) * | 1984-05-30 | 1988-09-06 | Canadian Patents And Development Limited-Societe Canadienne Des Brevets Et D'exploitation Limitee | Method and apparatus for coding digital data to permit correction of one or two incorrect data packets (bytes) |
CA1228166A (en) * | 1984-05-30 | 1987-10-13 | Brian C. Mortimer | Method and apparatus for coding digital data to permit correction of one or two incorrect data packets (bytes) |
JPH0619721B2 (ja) * | 1984-07-20 | 1994-03-16 | パイオニア株式会社 | 符号誤り訂正方法 |
DE3432421A1 (de) * | 1984-09-04 | 1986-03-27 | Robert Bosch Gmbh, 7000 Stuttgart | Fehlerschutz fuer digitale videomagnetbandgeraete |
DE3685991T2 (de) * | 1985-05-21 | 1993-03-04 | Sony Corp | Anordnung zur dekodierung eines fehler korrigierenden codes. |
US4706250A (en) * | 1985-09-27 | 1987-11-10 | International Business Machines Corporation | Method and apparatus for correcting multibyte errors having improved two-level code structure |
US4703485A (en) * | 1986-02-10 | 1987-10-27 | International Business Machines Corporation | Method and apparatus for computing and implementing error detection check bytes |
NL8600980A (nl) * | 1986-04-18 | 1987-11-16 | Philips Nv | Werkwijze voor het overdragen van update informatie voor een stilstaand videobeeld. |
JPS63157361A (ja) * | 1986-12-19 | 1988-06-30 | Matsushita Electric Ind Co Ltd | 光デイスク駆動装置 |
JP2544385B2 (ja) * | 1987-05-27 | 1996-10-16 | 株式会社日立製作所 | 通信制御装置 |
FR2616245B1 (fr) * | 1987-06-03 | 1992-07-17 | Aubin Guy | Detecteur de parite pour signaux binaires multiplexes |
JP2656345B2 (ja) * | 1989-04-11 | 1997-09-24 | 三菱電機株式会社 | デイジタル信号伝送装置 |
EP0398618B1 (de) * | 1989-05-17 | 1997-04-09 | Sony Corporation | Wiedergabevorrichtung für produktkodierte Blockdaten |
JPH03198544A (ja) * | 1989-12-27 | 1991-08-29 | Nec Corp | パリティ計数回路 |
US5224106A (en) * | 1990-05-09 | 1993-06-29 | Digital Equipment Corporation | Multi-level error correction system |
EP0498081B1 (de) * | 1991-01-21 | 1996-09-04 | Koninklijke Philips Electronics N.V. | Videokodierer und -dekodierer mit Verschiebungsverhinderung für korrekt dekodierte Signalblöcke |
US5369641A (en) * | 1991-11-12 | 1994-11-29 | Storage Technology Corporation | Method and apparatus for detecting and correcting errors in data on magnetic tape media |
DE4202140A1 (de) * | 1992-01-27 | 1993-07-29 | Thomson Brandt Gmbh | Verfahren zur uebertragung digitaler audio-signale |
US5438575A (en) * | 1992-11-16 | 1995-08-01 | Ampex Corporation | Data storage system with stale data detector and method of operation |
CA2180245C (en) * | 1993-12-29 | 2001-05-15 | Mark Fimoff | Data frame format for variable size data constellations |
US5432787A (en) * | 1994-03-24 | 1995-07-11 | Loral Aerospace Corporation | Packet data transmission system with adaptive data recovery method |
JPH08111072A (ja) * | 1994-08-11 | 1996-04-30 | Pioneer Electron Corp | ディスク記録方法およびディスク記録装置 |
US6304992B1 (en) * | 1998-09-24 | 2001-10-16 | Sun Microsystems, Inc. | Technique for correcting single-bit errors in caches with sub-block parity bits |
US6192082B1 (en) | 1998-11-13 | 2001-02-20 | Compaq Computer Corporation | Digital television data format conversion with automatic parity detection |
US6636530B1 (en) | 1999-12-03 | 2003-10-21 | Digital Interactive Streams, Inc. | Digital audio telephony over IP network compression |
US7389463B2 (en) * | 2001-05-29 | 2008-06-17 | Thomson Licensing | Hierarchical block coding for a packet-based communications system |
FR2861517B1 (fr) * | 2003-10-23 | 2006-01-27 | Thomson Licensing Sa | Methode de reconstruction de paquets perdus et appareils implementant la methode |
US7386767B1 (en) * | 2004-10-05 | 2008-06-10 | Altera Corporation | Programmable bit error rate monitor for serial interface |
US9461760B2 (en) * | 2008-10-29 | 2016-10-04 | At&T Intellectual Property I, L.P. | Remediation of television signals using a network back-channel |
US9378086B2 (en) * | 2011-10-11 | 2016-06-28 | Koninklijke Philips N.V. | Methods and apparatus for improved DMX512 communication |
US9344217B2 (en) * | 2013-07-26 | 2016-05-17 | Qualcomm Incorporated | Devices and methods for reconstructing corrupted control channel bits |
CN106127822B (zh) * | 2016-03-16 | 2020-07-28 | 湖南智卓创新信息产业股份有限公司 | 在物理隔离终端间基于图形编码单向数据传输方法与系统 |
US11481270B1 (en) * | 2021-06-16 | 2022-10-25 | Ampere Computing Llc | Method and system for sequencing data checks in a packet |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3639900A (en) * | 1970-05-27 | 1972-02-01 | Ibm | Enhanced error detection and correction for data systems |
US3800281A (en) * | 1972-12-26 | 1974-03-26 | Ibm | Error detection and correction systems |
US3893071A (en) * | 1974-08-19 | 1975-07-01 | Ibm | Multi level error correction system for high density memory |
JPS54137204A (en) * | 1978-04-17 | 1979-10-24 | Sony Corp | Digital signal transmission method |
JPS54162529A (en) * | 1978-06-13 | 1979-12-24 | Teac Corp | Method of processing pcm signal |
JPS55131860A (en) * | 1979-03-30 | 1980-10-14 | Matsushita Electric Ind Co Ltd | Error correction unit |
US4394762A (en) * | 1981-01-06 | 1983-07-19 | Tokyo Shibaura Denki Kabushiki Kaisha | Pulse-code modulation signal processing circuit |
-
1981
- 1981-03-23 GB GB8108998A patent/GB2095440B/en not_active Expired
-
1982
- 1982-02-16 JP JP57023081A patent/JPS57157655A/ja active Pending
- 1982-03-16 EP EP82301343A patent/EP0061288B1/de not_active Expired
- 1982-03-16 AT AT82301343T patent/ATE20634T1/de not_active IP Right Cessation
- 1982-03-16 DE DE8282301343T patent/DE3271860D1/de not_active Expired
- 1982-03-16 CA CA000398507A patent/CA1172748A/en not_active Expired
- 1982-03-19 US US06/359,996 patent/US4447902A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0061288A3 (en) | 1983-10-26 |
EP0061288B1 (de) | 1986-07-02 |
EP0061288A2 (de) | 1982-09-29 |
GB2095440B (en) | 1985-10-09 |
JPS57157655A (en) | 1982-09-29 |
US4447902A (en) | 1984-05-08 |
ATE20634T1 (de) | 1986-07-15 |
GB2095440A (en) | 1982-09-29 |
CA1172748A (en) | 1984-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |