FI75072B - Dataoeverfoeringssystem. - Google Patents
Dataoeverfoeringssystem. Download PDFInfo
- Publication number
- FI75072B FI75072B FI832669A FI832669A FI75072B FI 75072 B FI75072 B FI 75072B FI 832669 A FI832669 A FI 832669A FI 832669 A FI832669 A FI 832669A FI 75072 B FI75072 B FI 75072B
- Authority
- FI
- Finland
- Prior art keywords
- data
- image
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- buffer
- buffer memory
- Prior art date
Links
- 239000000872 buffer Substances 0.000 claims abstract description 92
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000001174 ascending effect Effects 0.000 claims abstract description 3
- 230000015654 memory Effects 0.000 claims description 81
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003550 marker Substances 0.000 claims 9
- 238000013500 data storage Methods 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 11
- 238000012217 deletion Methods 0.000 description 7
- 230000037430 deletion Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing 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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
Landscapes
- Multimedia (AREA)
- Signal Processing (AREA)
- Engineering & Computer Science (AREA)
- Communication Control (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Selective Calling Equipment (AREA)
- Photoreceptors In Electrophotography (AREA)
- Radio Transmission System (AREA)
- Error Detection And Correction (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Television Systems (AREA)
Claims (13)
1. Digitalt datatransmissionssystem med en kalla, vilken alstrar data med en ojämn hastighet, varvid dessa data innefattar ett flertal markörsignaler, ett första buffertminne (33) för data frän källan, ett organ (34) för att sända data frän det första buffertminnet med en konstant hastighet tili en transmissionsväg (35), ett organ (36 och 38-42) för att mottaga data frän transmi ssionsvägen och tillföra dem tili ett andra buffertminne (43), ett organ (45) för att läsa data frSn det andra buffertminnet med en ojämn hastighet, och ett andvändningsorgan utnyttjande data frSn det andra buffertminnet, kännetecknat av att mottagnings-organet Innefattar ett hjä1pdatalagringsorgan (42), ett organ 20 75072 (39, 40) för att i hjälpdatalagr1ngsorganet lagra adresserna 1 det andra buffertminnet, väri markörsignalerna är lagrade, och ett organ (45) för att bestämma adressen, som användes av avläs-ningsorganet genom referens tili adresserna, som är lagrade 1 hjälpdatalagrlngsorganet.
2. System enligt patentkravet 1, kännetecknat av att markörsi gnal erna Innefattar nummer följande en p3 förhand bestämd cykel .
3. System enligt patentkraven 1 och 2, kännetecknat av att adresserna för alla markörs1gnalerna överföres frän hjä1pdatalag-ringsorganet (42) tili avläsn1ngsorganet (45) för att styra adresserna, som användes av avläsn1ngsorganet.
4. System enligt patentkravet 2, kännetecknat av att mot-tagningsorganet Innefattar ett organ (45) för att detektera d8 avläsningsorganet uppenbarl1gen avläser data frSn en orlktlg ad-ress 1 det andra buffertminnet och för att korrigera denna adress frSn 1 n formati on lagrad 1 hjälpdatalagrlngsorganet.
5. System enligt patentkravet 4, kännetecknat av att de-tekterlngs- och korrlger1ngsorganet (45) verkar för numren 1 mar-körslgnalerna 1 mottagna data (av 39) före införande 1 det andra buffertmi nnet.
6. System enligt patentkravet 3 eller 5, kännetecknat av att mottagningsorganet Innefattar ett räkneorgan (40) för att följa den p8 förhand bestämda cykeln av nummer 1 markörsignalerna och organ för att (1 39) jämföra markörslgnalnumret, som är upp-tecknat av räkneorganet, med numret 1 markörsignalen, som motta-ges v1d tldpunkten, varvld en utslgnal icke Uka med noll hos jämförelseorganet ger en 1nd1kat1on att en markörsignal har för-vanskats, sä att den icke Igenkännes och att adressen, som användes av avläsningsorganet, skall korrigeras. Il 21 75072
7. System enligt patentkravet 6, kSnnetecknat av att data även innefattar andra markörsignaler och att mottagningsorganet innefattar ett organ (i 41) för att förutsäga tidpunkterna för uppträdande av sädana andra markörsignaler genom referens tili läget av de mottagna markÖrsignalnumren i den pS förhand bestämda cykeln.
8. System enligt patentkraven 1-6, användbart för bilddata-transmission och med ett bi1dpulsgrupp- eller bildminne uppdaterat genom data frSn det andra buffertminnet, i vars data är villkors-regenererade data för en bild och markörsignalerna är linjesynk-kodord med 1injenummerinformation, kSnnetecknat av att data representerar bildelement utmed en linje, pä vilken ändringar skall göras, varvid ändringarna är formade tili grupper hänförande sig tili pä varandra följande element.
9. System enligt patentkravet 8, kSnnetecknat av att data även innefattar delbi1dssynkkodord och mottagningsorganet innefattar ett tidbasorgan (41) för att förutsäga tidpunkten för mot-tagning av delbi1dsynkkodorden genom referens tili linjenumren i 1 injesynkkodorden.
10. System enligt patentkravet 9 och innefattande känneteck-nen enligt patentkravet 6, kSnnetecknat av att räkneorganet (40) följer linjenumren och Sterställes tili ett datumvärde i beroen-de av en utsignal frSn tidbasorganet.
11. System enligt nSgot av patentkraven 8-10, kSnnetecknat av att data för varje grupp innefattar elementadressen utmed lin-jen för det första elementet i gruppen och mottagningsorganet innefattar ett organ (39) för att kontrollera att elementadresserna för grupperna mellan konsekutiva 1injesynkkodord föreligger i sti-gande numerisk ordningsföljd, för att därigenom detektera om ett förvanskat och därför icke igenkänt 1injesynkkodord har uppträtt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8221406 | 1982-07-23 | ||
| GB8221406 | 1982-07-23 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI832669A0 FI832669A0 (fi) | 1983-07-22 |
| FI832669A FI832669A (fi) | 1984-01-24 |
| FI75072B true FI75072B (fi) | 1987-12-31 |
| FI75072C FI75072C (sv) | 1988-04-11 |
Family
ID=10531873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI832669A FI75072C (sv) | 1982-07-23 | 1983-07-22 | Dataöverföringssystem. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4562466A (sv) |
| EP (1) | EP0103380B1 (sv) |
| JP (1) | JPS5994979A (sv) |
| AT (1) | ATE22767T1 (sv) |
| AU (1) | AU563948B2 (sv) |
| CA (1) | CA1211835A (sv) |
| DE (1) | DE3366804D1 (sv) |
| DK (1) | DK159750C (sv) |
| ES (1) | ES524411A0 (sv) |
| FI (1) | FI75072C (sv) |
| IE (1) | IE54675B1 (sv) |
| NO (1) | NO160680C (sv) |
| PT (1) | PT77084B (sv) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0113514B1 (en) * | 1982-11-30 | 1988-05-11 | BRITISH TELECOMMUNICATIONS public limited company | Television signal transmission |
| US4665427A (en) * | 1983-03-14 | 1987-05-12 | U.S. Philips Corporation | Method and apparatus for converting C-MAC television signals for transmission over a limited bandwidth medium |
| DE3327380A1 (de) * | 1983-07-29 | 1985-02-07 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur bitraten-tranformation von digitalsignalen |
| GB8414665D0 (en) * | 1984-06-08 | 1984-07-11 | Philips Electronic Associated | Television transmission system |
| US4727421A (en) * | 1984-10-04 | 1988-02-23 | Nec Corporation | Method of coding picture signal and picture coding/decoding apparatus utilizing the same |
| DE3510901A1 (de) * | 1985-03-26 | 1986-10-09 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur umcodierung von datensignalen |
| DE3524069A1 (de) * | 1985-07-05 | 1987-01-08 | Philips Patentverwaltung | Anordnung zum praediktiven codieren |
| WO1987004033A1 (en) * | 1985-12-24 | 1987-07-02 | British Broadcasting Corporation | Method of coding a video signal for transmission in a restricted bandwidth |
| US4800432A (en) * | 1986-10-24 | 1989-01-24 | The Grass Valley Group, Inc. | Video Difference key generator |
| US5371811A (en) * | 1987-07-09 | 1994-12-06 | British Telecommunications Public Limited Company | Data encoding |
| GB8722394D0 (en) * | 1987-09-23 | 1987-10-28 | British Telecomm | Video coder |
| USRE34824E (en) * | 1987-09-23 | 1995-01-10 | British Telecommunications Public Limited Company | Video coder |
| AU619504B2 (en) * | 1987-09-23 | 1992-01-30 | British Telecommunications Public Limited Company | Video coder |
| US4918523A (en) * | 1987-10-05 | 1990-04-17 | Intel Corporation | Digital video formatting and transmission system and method |
| FR2625638B1 (fr) * | 1987-12-30 | 1994-06-17 | Thomson Grand Public | Procede de synchronisation pour la transmission, sur un canal asynchrone, d'une suite d'images codees au moyen d'un code a longueur variable, et dispositif pour la mise en oeuvre de ce procede |
| US6563875B2 (en) * | 1987-12-30 | 2003-05-13 | Thomson Licensing S.A. | Adaptive method of encoding and decoding a series of pictures by transformation, and devices for implementing this method |
| BE1003827A4 (fr) * | 1990-02-26 | 1992-06-23 | Alcatel Bell Sdt Sa | Procede universel de codage de signaux d'image. |
| FR2683966B1 (fr) * | 1991-11-20 | 1998-06-05 | Jacques Guichard | Procede de synchronisation du circuit de balayage d'un appareil de visualisation d'images. |
| JPH07505514A (ja) * | 1992-04-01 | 1995-06-15 | インテル コーポレイシヨン | 同期フレームを用いてディジタル・ビデオ画像のシーケンスを圧縮および復元するための方法および装置 |
| JP2658832B2 (ja) * | 1993-11-12 | 1997-09-30 | 日本電気株式会社 | 動画像復号制御装置 |
| US5847765A (en) * | 1993-11-12 | 1998-12-08 | Nec Corporation | Moving picture decoding control system |
| JPH09233054A (ja) * | 1996-02-27 | 1997-09-05 | Oki Electric Ind Co Ltd | 復号装置 |
| EP0854652B1 (en) * | 1996-08-07 | 2010-11-17 | Panasonic Corporation | Picture and sound decoding device, picture and sound encoding device, and information transmission system |
| US5764306A (en) * | 1997-03-18 | 1998-06-09 | The Metaphor Group | Real-time method of digitally altering a video data stream to remove portions of the original image and substitute elements to create a new image |
| JP3373130B2 (ja) * | 1997-03-24 | 2003-02-04 | 沖電気工業株式会社 | 画像復号化装置 |
| EP1158786A3 (en) * | 2000-05-24 | 2005-03-09 | Sony Corporation | Transmission of the region of interest of an image |
| US7558326B1 (en) * | 2001-09-12 | 2009-07-07 | Silicon Image, Inc. | Method and apparatus for sending auxiliary data on a TMDS-like link |
| EP1370090A1 (en) * | 2002-06-03 | 2003-12-10 | Sony International (Europe) GmbH | Video format detector |
| CN115278141B (zh) * | 2022-09-27 | 2023-01-17 | 成都中星世通电子科技有限公司 | 一种多制式的模拟图像信号解调还原方法和系统 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3571505A (en) * | 1968-08-02 | 1971-03-16 | Bell Telephone Labor Inc | Redundancy reduction system for video signals |
| US3670096A (en) * | 1970-06-15 | 1972-06-13 | Bell Telephone Labor Inc | Redundancy reduction video encoding with cropping of picture edges |
| US3937871A (en) * | 1973-03-26 | 1976-02-10 | International Publishing Corporation Limited | Code communication |
| JPS5929015B2 (ja) * | 1975-02-13 | 1984-07-17 | 日本電気株式会社 | 複号速度制御装置 |
| FR2316819A1 (fr) * | 1975-07-03 | 1977-01-28 | Telecommunications Sa | Procede de reduction de debit numerique lors de la transmission de video signaux |
| JPS54153516A (en) * | 1978-05-25 | 1979-12-03 | Ricoh Co Ltd | Data processing system for facsimile |
| US4185303A (en) * | 1978-11-30 | 1980-01-22 | Bell Telephone Laboratories, Incorporated | Run length encoding of facsimile pictures |
-
1983
- 1983-07-22 AT AT83304259T patent/ATE22767T1/de not_active IP Right Cessation
- 1983-07-22 PT PT77084A patent/PT77084B/pt not_active IP Right Cessation
- 1983-07-22 DE DE8383304259T patent/DE3366804D1/de not_active Expired
- 1983-07-22 FI FI832669A patent/FI75072C/sv not_active IP Right Cessation
- 1983-07-22 EP EP83304259A patent/EP0103380B1/en not_active Expired
- 1983-07-23 ES ES524411A patent/ES524411A0/es active Granted
- 1983-07-23 JP JP58135049A patent/JPS5994979A/ja active Granted
- 1983-07-25 AU AU17247/83A patent/AU563948B2/en not_active Ceased
- 1983-07-25 DK DK339983A patent/DK159750C/da not_active IP Right Cessation
- 1983-07-25 US US06/516,707 patent/US4562466A/en not_active Expired - Fee Related
- 1983-07-25 IE IE1743/83A patent/IE54675B1/en not_active IP Right Cessation
- 1983-07-25 CA CA000433080A patent/CA1211835A/en not_active Expired
- 1983-07-25 NO NO832704A patent/NO160680C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI75072C (sv) | 1988-04-11 |
| CA1211835A (en) | 1986-09-23 |
| PT77084B (en) | 1986-01-27 |
| FI832669A0 (fi) | 1983-07-22 |
| DE3366804D1 (en) | 1986-11-13 |
| DK159750C (da) | 1991-04-29 |
| FI832669A (fi) | 1984-01-24 |
| US4562466A (en) | 1985-12-31 |
| JPH0523113B2 (sv) | 1993-03-31 |
| IE54675B1 (en) | 1990-01-03 |
| JPS5994979A (ja) | 1984-05-31 |
| DK159750B (da) | 1990-11-26 |
| NO160680B (no) | 1989-02-06 |
| DK339983A (da) | 1984-01-24 |
| ES8406021A1 (es) | 1984-06-16 |
| DK339983D0 (da) | 1983-07-25 |
| IE831743L (en) | 1984-01-23 |
| PT77084A (en) | 1983-08-01 |
| AU1724783A (en) | 1984-01-26 |
| AU563948B2 (en) | 1987-07-30 |
| EP0103380B1 (en) | 1986-10-08 |
| NO160680C (no) | 1989-05-16 |
| ATE22767T1 (de) | 1986-10-15 |
| NO832704L (no) | 1984-01-24 |
| ES524411A0 (es) | 1984-06-16 |
| EP0103380A1 (en) | 1984-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY |