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Spirit Datacine® Film Scanner

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Spirit Datacine® Film Scanner SpiritSpirit DataCineDataCine®® FilmFilm ScannerScanner NotNot aa dreamdream butbut realityreality TABLETABLE OFOF CONTENTSCONTENTS CONTENTS Contents Introduction Color performance Six Sector Color Processor Dynamic range Optical performance Diffuse illumination Over sampling Noise performance Image composition Scanning technique Optical filtration Graphical Control Panel When to use a Spirit DataCine® Not a dream SPIRITSPIRIT DD but reality AATACINETACINE Introduction Today’s requirements for film scanning are now • 1998 The National Academy of Television Arts and diverse and technically demanding.demanding. Science «1997/1998 Outstanding Achievment in Digital television in its purest form Engineering Dev.» is needed for standardstandard definitiondefinition • 1999 «International Monitor Award» and high definition (DTV) mar- kets. The demand for high resolu- Expertise and global experience. tion film data is increasing The ideal partnership. as the industry moves towards a resolution and The Spirit DataCine® is a technology format independent pro- made possible through extensive deve- duction environment. lopment cooperation and a natural synergy between Thomson multimedia To meet the demands of today, andand and Eastman Kodak Company. The one, more importantlyimportantly those those of tomorrow, of tomorrow, Thomson with exceptional levels of expertise and Thomsonmultimedia multimedia has developed has developedthe world's the first worl- real experience in digital signal processing, d'stime first multi-format, real time multi-format, multi-standard multi-standard film scanner. film video technology, plus mechanical design scanner.The Spirit The DataCine Spirit ® DataCinefilm scanner® film - ascanner totally new- a and manufacturing. And the other, a world totallyconcept new from concept Thomson from offers Philips unparalleled offers unparalle- flexibi- leader in film research, manufacturing and film ledlity flexibilityand image and quality image inquality a variety in a varietyof television of tel- scanning technology. evisionstandards standards and film and resolutions film resolutions up to 2K. up to 2K. At the heart of the Thomson Spirit DataCine® is an ® advanced film imaging head, designed by Eastman While the Spirit DataCine® offers the same advanced film imaging head, designed by Eastman operational functionalityfunctionality and and convenience convenience of aof tra- a Kodak Company. It utilizes proprietary CCD ® technology from Kodak, along with customized high ditionaltraditional telecine, telecine, thethe SpiritSpirit DataCineDataCine® also technology from Kodak, along with customized high provides High Definition signals in real time and performance optics optics and andadvanced advanced illumination illumination control. high speed Digital Data for external graphics Thecontrol. Kodak The scanner Kodak alwaysscanner scans always the scans film theat a film fixed at workstations at film resolution. resolutiona fixed resolution (close to (close 2K) into progressive2K) in progressive mode, regardlessmode, regardless of the selectedof the selectedoutput format.output Itfor- is ® this process that differentiates the Spirit That's why the Spirit DataCine® is more than just mat. It is this process that differentiates ® ® another telecine, it's the world's first DataCine from DataCinethe Spirit DataCinefrom traditionalfrom traditional telecines. tele-The Thomson multimedia. cines.scanner The from scanner Eastman from Kodak Eastman Company Kodak Companyrepresents representsthe latest thein reallatest time in realimaging time ® technology custom engineered to accurately The Spirit DataCine® was launched at NAB 1996, and imaging technology custom engineered to almost immediately became the new benchmark for high reproduceaccurately reproducethe best possible the best resultspossible from results all quality standard definition filmfilm transfers,transfers, subsequentsubsequent filmfrom stocks all film and stocks film types.and film types. additions of the HDTV optionsoptions andand thethe Data option has further demonstrated FullyFully digitaldigital highhigh reso- the flexibility of the basic design. lution signal proces- Industry recognition for this technolo- sing gy has included: ThroughoutThroughout thethe Spirit DataCine® advanced • 1996 NAB «Editors’ Pick of Show» DataCine® advanced • 1996 ITS «International Monitor high speed digital Award signal processing is • 1996 IBC «International used,used, whichwhich ena-blesenables Broadcasting Editors Award» directdirect processingprocessing of 2K2K film film data data inin realreal time while in still frame mode. ATAS/NATAS • 1997 Film and Video «1997 Most Valued Product» while in still frame mode. All All processing is performed © • 1998 Academy of Television Arts and Science / processing is performed on the 2K high resolution film Los Angeles «Primetime Emmy Award» data on the 2K high resolution film data yielding A NEW SCANNI a data throughput of approximately 350Mbytes/sec. Because all signal processing is digital, no routine adjustments are required. Shading correction is fully automatic and the machine has no drift with guaranteed repeatability. All these factors combine to deliver a very stable, repeatable, reliable film scanner that ensures a quali- ty level which meets all of today’s and tomorrow’s high-end post production requirements. Infared Filter Heat absorbing Filter Condenser Lens 1 Fast Aperture Xenon Lamp 4 Filters Filterwheel & Safety Shutter Condenser Lens 2 Condenser Integration Cylinder Motion Picture Film Chroma CCD Projection Lens Beam splitter Detail CCD Scanning Unit NNGG TECHNITECHNIQUE Color performance Color performance The key to color reproduction is the light Advanced illumination system source. The Spirit DataCine® uses long-life 300W short-arc Xenon lamp which • Long Life blue rich 300 W Xenon light provides a very pure white light source source which covers the entire visible spectrum, including the short-wave blue area. • Illumination feedback control for very This contributes to the excellent signal-to- stable light level and color temperature noise ratio in the blue channel. This also helps to compensate for the orange mask • Outstanding optical performance of color negative and intermediate film stocks. Figure 1 shows the color • Filter wheel for optical matching of spectrum of the Xenon lamp compared negative, positive, interpositive, and with the color density characteristics of the primetime film Kodak 5246 or 7246 negative material after the ECN-2 development process. • White light beam splitter - In place of Compared to the spectrum of the phos- traditional low efficiency color beam phors of CRTs used in flying spot scanners, splitters the complete spectral area of the negative film is illuminated. The sensitivity characte- • Natural, pure colorimetry and a subtle ristics of the RGB sensors used in the Spirit color differentiation DataCine coincide with those of color den- sity characteristics of the film. The precise matching of the scanning system to the negative film material enables the reproduction of color not easily reproduced on a traditional CRT based telecine. There is also a very fine differentiation between colors. Relative to the number of ignition cycles, a Xenon lamp frequently achieves a lifetime in excess of 5000 hours. A failure during operation is very unlikely. Figure 1 Color Spectrums of Light Sources and Film Dyes 1.0 Xenon Lamp Spectrum 0.9 0.8 Phosphor 0.7 Emitter Spectrum 1.0 0.6 0.5 0.8 0.4 0.6 0.3 0.4 0.2 Normalised Film Dye Densities 0.2 0.1 Normalised Spectral Power Distribution 0.0 0.0 350 400 450 500 550 600 650 700 750 800 Wavelength (nm) Spectral dye peaks are for Kodak 5246 / 7246, ECN-2 process (source : Kodak Technical Data Sheet H-1-5246) Optical filtration Six Sector Color Processor Application Thomson film scanning solutions are provided with a standard primary Color corrector (RGB) which offers extensive range and latitude combined with precise digital control. This correction is real time and resolution-independent (up to 2K) so correction for any output format is supported, even data, with transparent switching between formats . There are applications where the basic primary functionality needs to be enhanced with basic secondary color control. 6 This option is a cost-effective solution designed to be used either alone with a controller or to enhance the features offered by third party color correctors that are today available on the market. Dailies, best light trans- fers and the growing adoption of downstream disk-based color correction systems means a high quality basic grade is required before the finishing touches are applied later in the process. Just like the Primary color correction system, the secondary color corrector is also real-time, resolution independent and working with the full film color space and at full film resolution-independent. Six Sector Color Processor Control Operational control is provided via the popular controllers from DaVinci and Pandora. We also support full control from our graphical control panels supplied with the DataCine and Shadow Telecine products. No additional cables are requi- red, all control functions are embedded within the existing IMCS Cheapernet control interface that is used on these products. Features System The basic secondary color processor comple- ments the primary color corrector already sup- plied with Thomson film scanners and vastly The Secondary Color processing increases the functionality and flexibility of the option
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