FR2546698B1 - Dispositif de traitement de signaux numeriques ayant un tremblotement numerique - Google Patents
Dispositif de traitement de signaux numeriques ayant un tremblotement numeriqueInfo
- Publication number
- FR2546698B1 FR2546698B1 FR848408150A FR8408150A FR2546698B1 FR 2546698 B1 FR2546698 B1 FR 2546698B1 FR 848408150 A FR848408150 A FR 848408150A FR 8408150 A FR8408150 A FR 8408150A FR 2546698 B1 FR2546698 B1 FR 2546698B1
- Authority
- FR
- France
- Prior art keywords
- digital
- tremblote
- processing device
- signal processing
- digital signal
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/498,151 US4524447A (en) | 1983-05-25 | 1983-05-25 | Digital signal processing apparatus having digital dither |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2546698A1 FR2546698A1 (fr) | 1984-11-30 |
FR2546698B1 true FR2546698B1 (fr) | 1989-03-31 |
Family
ID=23979794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR848408150A Expired FR2546698B1 (fr) | 1983-05-25 | 1984-05-24 | Dispositif de traitement de signaux numeriques ayant un tremblotement numerique |
Country Status (6)
Country | Link |
---|---|
US (1) | US4524447A (fr) |
JP (1) | JPS605691A (fr) |
DE (1) | DE3419640C3 (fr) |
FR (1) | FR2546698B1 (fr) |
GB (1) | GB2141002B (fr) |
HK (1) | HK58991A (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4710747A (en) * | 1984-03-09 | 1987-12-01 | Fairchild Semiconductor Corporation | Method and apparatus for improving the accuracy and resolution of an analog-to-digital converter (ADC) |
US4594726A (en) * | 1984-11-29 | 1986-06-10 | Rca Corporation | Dedithering circuitry in digital TV receiver |
US4654695A (en) * | 1985-03-25 | 1987-03-31 | Rca Corporation | Apparatus for reducing the resolution of video samples by truncating the most significant bits |
US4727506A (en) * | 1985-03-25 | 1988-02-23 | Rca Corporation | Digital scaling circuitry with truncation offset compensation |
US4933978A (en) * | 1986-02-28 | 1990-06-12 | Rca Licensing Corporation | Method and apparatus for determining the value of a sample in the mth position of an ordered list of a plurality of samples |
DE3608914A1 (de) * | 1986-03-18 | 1987-10-01 | Thomson Brandt Gmbh | Verfahren zur korrektur |
US5175807A (en) * | 1986-12-04 | 1992-12-29 | Quantel Limited | Video signal processing with added probabilistic dither |
JP2546678B2 (ja) * | 1987-06-18 | 1996-10-23 | パイオニア株式会社 | ディザ処理回路 |
GB9012326D0 (en) * | 1990-06-01 | 1990-07-18 | Thomson Consumer Electronics | Wide screen television |
US5374963A (en) * | 1990-06-01 | 1994-12-20 | Thomson Consumer Electronics, Inc. | Picture resolution enhancement with dithering and dedithering |
GB9706920D0 (en) * | 1997-04-04 | 1997-05-21 | Snell & Wilcox Ltd | Improvements in digital video signal processing |
DE19823110C2 (de) * | 1998-05-22 | 2002-02-07 | Johannes Siegler | Verfahren zur Erhöhung der Audioqualität in Systemen und Baugruppen der digitalen Signalverarbeitung bei Konvertierung der Wortbreite des digitalen Datenwortes |
US6469648B2 (en) * | 2000-03-16 | 2002-10-22 | Texas Instruments Incorporated | Digital-to analog-converting method and digital-to analog converter employing common weight generating elements |
US6801213B2 (en) | 2000-04-14 | 2004-10-05 | Brillian Corporation | System and method for superframe dithering in a liquid crystal display |
US7233746B2 (en) * | 2002-01-30 | 2007-06-19 | Blake James N | Wide dynamic range sensor signal processing method & circuitry for analog and digital information signals |
EP1387340A1 (fr) * | 2002-07-30 | 2004-02-04 | Deutsche Thomson-Brandt Gmbh | Procédé et dispositif pour le traitement des données d'image vidéo pour un dispositif d'affichage |
US6950048B1 (en) * | 2004-04-02 | 2005-09-27 | Tektronix, Inc. | Dither system for a quantizing device |
JP4546141B2 (ja) * | 2004-04-28 | 2010-09-15 | 京セラ株式会社 | 携帯電話機、並びに、画像変換装置、方法、及びプログラム |
US7869094B2 (en) * | 2005-01-07 | 2011-01-11 | Mitcham Global Investments Ltd. | Selective dithering |
TWI329853B (en) * | 2006-12-28 | 2010-09-01 | Mstar Semiconductor Inc | Dithering method and related dithering module and liquid crystal display (lcd) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2669608A (en) * | 1950-10-27 | 1954-02-16 | Bell Telephone Labor Inc | Noise reduction in quantized pulse transmission systems with large quanta |
US3772682A (en) * | 1972-04-19 | 1973-11-13 | Bell Telephone Labor Inc | Digital conversion from one pcm format to another |
JPS5441061A (en) * | 1977-09-08 | 1979-03-31 | Sony Corp | Analogue/digital converter |
US4275411A (en) * | 1978-04-19 | 1981-06-23 | Bernard Lippel | Dither-quantized signalling for color television |
US4234850A (en) * | 1979-01-08 | 1980-11-18 | Optimizer Control Corporation | Firing time control circuit |
US4334237A (en) * | 1980-02-07 | 1982-06-08 | Rca Corporation | Adaptive amplitude averaging for weighting quantizing noise |
US4323916A (en) * | 1980-02-07 | 1982-04-06 | Rca Corporation | Data rate reduction for digital video signals by subsampling and adaptive reconstruction |
DE3015141C2 (de) * | 1980-04-19 | 1985-10-03 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Farbfernseh-Empfänger mit mindestens einer integrierten Schaltung für das Luminanzsignal und die Chrominanzsignale |
-
1983
- 1983-05-25 US US06/498,151 patent/US4524447A/en not_active Expired - Lifetime
-
1984
- 1984-05-17 GB GB08412562A patent/GB2141002B/en not_active Expired
- 1984-05-24 JP JP59106355A patent/JPS605691A/ja active Granted
- 1984-05-24 FR FR848408150A patent/FR2546698B1/fr not_active Expired
- 1984-05-25 DE DE3419640A patent/DE3419640C3/de not_active Expired - Fee Related
-
1991
- 1991-08-01 HK HK589/91A patent/HK58991A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3419640C2 (fr) | 1993-05-27 |
GB2141002A (en) | 1984-12-05 |
DE3419640C3 (de) | 1996-04-25 |
JPH0452033B2 (fr) | 1992-08-20 |
GB2141002B (en) | 1986-11-26 |
HK58991A (en) | 1991-08-09 |
FR2546698A1 (fr) | 1984-11-30 |
US4524447A (en) | 1985-06-18 |
GB8412562D0 (en) | 1984-06-20 |
DE3419640A1 (de) | 1984-11-29 |
JPS605691A (ja) | 1985-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |