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LookControl

SI 2K Manual

The RGB difference keyer works on a „threshold“ principal, where the lower 
the threshold, the more green or blue is keyed out. The general workflow is that 
the user picks the screen color using the GREEN or BLUE buttons, and then 
reduces the threshold until a proper key is made.

The default background behind the key is a GREY MATTE, and this substitutes 
a neutral grey color for the keyed out areas of the image to show the user the 
quality of the edge-matte, and it also helps to pick out any areas of bright or 
dark corruption on the green-screen such as excessive noise, glare, false edg-
es, etc. In order to view the background image, simply click the GREY MATTE 
button, and it will toggle off.

If an image is already in the frame-store of the camera, the user can see this 
image by toggling the GREY MATTE off, but if there is no image in the frame-
store,  then  the  background  will  simply  be  black.  By  clicking  on  the  LOAD 
MATTE IMAGE, the user can load up a .bmp image as a background to visual-
ize the effectiveness of the key. This image will also be loaded into the internal 
frame-store of the camera, so it will be available after exiting the IRIDAS control 
panel as well.

By default, the keyer is in a COMPOSITE mode that composites either a GREY 
MATTE or background image from the framestore with the keyed out foreground 
image. Alternatively the user can isolate the ALPHA, the BACKGROUND, or 
the FOREGROUND using the associated buttons on the interface. If the user 
would like to make additional color-corrections to the image in CONTROL SET 
1 or 2 without having the keyer active, activating the FOREGROUND mode 
will deactivate the compositing effects of the keyer.

After the key is made, simply hit the „SAVE“ button, and save out the new .look 
file. After pressing the DONE button, the user will be taken back to the main 
screen, where the key will then be applied to the subject in real-time in the main 
preview display. Note that if there was no background image loaded into the 
framestore of the camera to composite behind the keyed source image, there 
will be a black background in the keyed out areas of the subject image.

Содержание SI-2K

Страница 1: ... purchasing this Silicon Imaging P S Technik Product Before operating this unit please read the Instruc tions carefully to ensure best possible performance Art No 22709 v0807 User Manual SI 2K Digital Cinema Camera ...

Страница 2: ... SI 2K Manual ...

Страница 3: ...he Recording Unit and auto starts by switching on the Recording Unit The device is designed to be controlled by a touchscreen monitor Therefore all dedicated control buttons at the camera have been removed All features can be controlled by the SiliconDVR Software interface via touchscreen built in Mousepad or common IT driven input devices such as keyboard and mouse This is a new approach in camer...

Страница 4: ... the cart stand tripod bracket or table specified by the manu facturer or sold with this apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury tip over Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any...

Страница 5: ...RAIN OR MOISTURE CAUTION TO REDUCE THE RISK OF FIRE OR SHOCK HAZARD AND ANNOYING INTERFERENCE USE THE RECOMMENDED ACCESSORIES ONLY CAUTION TO REDUCE THE RISK OF FIRE OR SHOCK HAZARD REFER CHANGE OF SWITCH SET TING INSIDE THE UNIT TO QUALIFIED SERVICE PERSONNEL FCC NOTE This device complies with Part 15 of the FCC Rules To assure continued compliance follow the attached instal lation instruction an...

Страница 6: ...SI 2K Manual Safety Instructions ...

Страница 7: ...com support_forum index php In the U S A Silicon Imaging Inc 17534 Von Karman Avenue Suite 200 Irvine CA 92614 6208 USA Phone 949 650 1766 Sales hd siliconimaging com Support support siliconimaging com Worldwide P S TECHNIK GmbH Siemensstraße 12 D 85521 Ottobrunn München GERMANY Tel 49 0 89 45 09 82 30 Fax 49 0 89 45 09 82 40 Email info pstechnik de Web www pstechnik de Contact Information ...

Страница 8: ... Contact Information SI 2K Manual ...

Страница 9: ...Mechanical Preperation 18 Inputs Outputs 20 Recording Data Storage 23 Start the Camera 25 Chapter 4 SiliconDVR Software 31 Software Activation and Licensing 31 SiliconDVR User Interface 36 Status Information 34 Utility Menu 37 Main Screen 41 Operating Menu 46 Chapter 5 Look Control 47 Set Look and Look Library 47 Iridas Color Correction Mode 49 Chapter 6 Shooting with the SI 2K 53 Lens Selection 5...

Страница 10: ...10 Table Of Contents SI 2K Manual ...

Страница 11: ...n cable Lemo 8 pin to XLR 4 pin 22711 Software License for CineForm RAW Encoder Iridas SpeedGrade Embedded and Silicon DVR 2 SI 2K Recording Unit 19000 SI 2K Recording Unit with top handle interface for 15 mm rods and quick lock connection Mains lead cleat Audio Adapter Sub D to XLR 2 channel IN and OUT 23405 3 SI 2K Digital Cinema Camera and Recording System 22736 SI 2K Camera Head 22000 includin...

Страница 12: ...12 Delivery Content SI 2K Manual ...

Страница 13: ...BOTTOM 13mm 45mm 72mm 102mm 62mm FRONT BACK 1 2 3 4 6 5 7 2 x 1 4 Screw Threads for Accessories i e Handle MiniRig Support Bridge Tripod Plate etc 7 7 SI 2K Mini Camera Head 1 IMS Interchangeable Mount System 2 2 3 CMOS Sensor 2K with optical Low Pass filter Frame SIze 10 24 mm x 5 76 mm 3 Serial number SI 2K 4 Lemo 8 pin socket PWR CTRL 12 V DC power supply multicam sync signal 5 Lemo 12 pin sock...

Страница 14: ...ical Specifications SI 2K Manual 25 26 26 27 105 N 35 81mm 81mm 36mm 36mm 62mm 110 N 16 1 1 1 3 2 4 5 6 7 8 9 10 11 20 21 22 23 24 211 3 280 50 20 22 Sensor surface to P S Technik IMS 12 13 14 15 15 16 17 18 19 ...

Страница 15: ...dia cartridge i e hard disk 12 Tape hook indicating focal plane of sensor 13 User interface for OnScreen navigation mouse selection left button mouse pad right button 14 Tally light 15 Multi purpose rosettes hand grip magic arms extensions monitors 16 Ventilation slots with air filter AIR IN 17 Cable tie bracket 18 Locking clamps for lightweight support rods 19 Multipurpose 3 axis electronic viewf...

Страница 16: ...16 Mechanical Specifications SI 2K Manual ...

Страница 17: ...econds while maintaining the accuracy required for cin ema quality optics x 20 mounting holes are provided on both the top and bottom of the SI 2K Mini for maximum flex ibility On the back cover the SI 2K carries three LED lights indicating Power green Data blue and Record red In addition the SI 2K Mini can easily be attached to the front of a SI 2K Record ing Unit SI 2K Digital Cinema Camera Syst...

Страница 18: ...ing the Mini from the Recording Unit The SI 2K Mini Camera Head is mounted to the front of the SI 2K Recording Unit with a special locking system After raising the locker bars the SI 2K Mini must be manually eased forward until the power and Ethernet connections are automat ically disconnected Extension cables can be provided by Silicon Im aging and P S Technik to operate the SI 2K Mini tethered t...

Страница 19: ...vailable at both side the front and back of the camera for accessory mounting The front of the SI 2K is prepared for lightweight lens support and accepts 15 mm rods On the sides near the front is a small locking lever that can lock the rods in place Handle The handle provides a well balanced grip for the camera in addition to a flat top mounting surface available by 1 4x20 mounting holes The handl...

Страница 20: ...LR 4 pin connector on the right rear of the camera AC power supplies to match the inputs and connectors required for various countries are available Auxiliary power to other devices like the viewfinder or other peripherals can be taken from the auxiliary power outlets In battery operation the D Tap on the side of the battery mount serves as an additional power connector for acces sories as well Pl...

Страница 21: ...used to dis play the image On Set it is proven to be sufficient for focus and framing control supported by several focus assist functions provided inside SiliconDVR NOTE If recording in quad preview mode please note that the camera is designed as a film camera and focus pulling classically has to be achieved via tape based markings Monitoring with the SI 2K Recording Unit Primary Monitoring The VG...

Страница 22: ...at the HDMI Port please quit SiliconDVR application and manually restart it again If it still does not work the output device does not support given resolution and or frequency Please also note that using the HDMI Port instead of splitting the VGA signal for moni toring slows down overall performance Audio Audio input is provided on the 15 pin D sub connector at the top of the elec tronics bay An ...

Страница 23: ...be power from battery or mains on shorter distance into the PWR CTRL socket SI 2K Recording Unit The SI 2K Recording Unit is delivered with one removable hard disk carrier Digital Standard Magazine and a 160 GB hard disc for recording The media carrier is connected to the SATA bus system of the Recording Unit The supplied Digital Standard Magazines are compatible with any 2 5 laptop hard discs 540...

Страница 24: ...em There are two ways recording RAW Data from the Camera 1 Uncompressed RAW at a Data Rate of up to 100 MB sec approx result ing in siv files For displaying images recorded in this format the IRIDAS Product Line www iridas com supports both siv and cineform avi 2 CineFormRAW compressed at a maximum data rate of currently 30 MB sec approx resulting in avi or mov files For displaying images recorded...

Страница 25: ...ables the camera operator to make selections when no touchscreen is available such as when only the electronic viewfinder is used In addition USB operating tools like a computer mouse track ball or keyboard can be used with the SI 2K Recording Unit when connected to the USB con nectors at the rear of the camera Create a Project After Silicon DVR has started browse to UTILITY MENU NEW PROJECT and n...

Страница 26: ...PREFS with OK and EXIT UTILITY MENU to access RECORD Button Notes on Fan Mode Settings FAN MODE 1 varies the fan speed based on the processor temperature So at low temps the fans run slower and are quieter and when the temps are hot they run faster This mode is good to use when outside or in hot environments The processor has a protection mechanism that down clocks the processor if it goes over 10...

Страница 27: ...forming a correction of any fixed pattern noise and column to column variations created from incon sistencies in the analog to digital conversion process as well as removing any hot or deviant pixels Fixed pattern noise on a CMOS sensor looks like a fixed screen door effect or like fixed vertical lines going down the image and is typically visible in darker or gained up portions of the image All C...

Страница 28: ...f one is shooting in hot environment or is changing the environment rapidly black recalibrations may be necessary Also for dark scenes where the shadows are gained up higher black recalibra tion may be required more often to make sure that there are no inconsistencies in the blacks with fixed pattern noise that gain may result from temperature variations within the camera as it runs SiliconDVR and...

Страница 29: ...e rest of the picture is turned grey Star Stop Record Record Hotspot Look Grading Menu Embedded IRIDAS Colorgrading Interface Focus Aid Zoom Zoom and pan around for critical Focus adjustments Histogram A Histogram is displayed in the bottom of the screen to measure the overall ex posure As the Histogram graphically overlays the Recording Preview Picture the overall performance will drop Do not use...

Страница 30: ...SO Rating The CMOS sensor in the SI 2K is approximately daylight balanced for 5600K at ISO 160 When shooting green screen or blue screen footage in order to prevent higher digital gains that in turn produce higher noise in the blue and green channels in order to match the response of the red channel it is suggested to shoot with daylight balanced light sources Also daylight balanced light sources ...

Страница 31: ...lready be activated Do NOT deactivate by yourself If the license does not run on your device please contact helpdesk pstech nik de SiliconDVR is shipped with a Cineform Serial Number with a limited number of activations 3 Activations CFR2K XXXXXXXXXX Activation is the important step to a working license and needs Serial Number and the System Code and a Name for referring the Activation This kind o...

Страница 32: ...indow shows Name Serial Number Activation Key System Code The System Code is generated randomly and automatical ly on your system at that time These are unique fingerprints of your hardware system If not activated please go to http www cineform com register html and follow the instructions Make sure you correctly type your email address as the activation code is sent to you via email Iif you consi...

Страница 33: ...r function IMPORTANT In normal operation mode the Write Filter MUST be enabled all the time otherwise you run into danger of a corrupted software image and therefore a complete breakdown of your SI 2K camera Even with enabled write protection you can change all settings within the SiliconDVR software There are three occasions when the Write Filter must temporarily be disabled 1 Upgrade to a new ve...

Страница 34: ...ing devices on the SI 2K please al ways add and remove them on and from the RUNNING SYSTEM hot plug Do NOT perform a reboot with any USB storage device attached to the SI 2K Cineform RAW Encoder For the SI 2K Digital Cinema Camera the encoder will already be activated at the factory and nothing else needs to be done by the user Up to 3 computers can be activated for recording at one time Activatio...

Страница 35: ...il you received and an activation confirmation message should appear NOTE If your machine does not have Internet access you can still activate by managing the Internet transactions on any machine that does have Internet ac cess Neo 4K and Prospect 4K License Notes The Neo 4K and Prospect 4K software are each licensed for operation on one machine at a time The licenses can be moved easily from one ...

Страница 36: ...tors are placed at the top of the screen to indicate the current settings and mode of the camera Preview Play Record Mode Displays the current operating mode of the camera Zoom Mode Resolution Rate Displays the zoom level 1 4 quadlet Q or bilinear B display and the pres ent frame size and frame rate Project Timecode Displays the current project name and time used for the file timestamp Gain The cu...

Страница 37: ... ing process TAKE CARE The number of buffers you choose diverging from the default setting could impact camera s stability Defective Pixel Detection Map Most defective pixels are automatically found and replaced using the black reference If known pixels are bad a separate file indicating each bad pixel can be created The format is a tab delineated text file with an x coordinate tab y coordinate cr...

Страница 38: ...y selected project files appending the current date stamp Auto Load Preferences The state of the camera when last used is stored and automatically restored when the camera is restarted Auto Save Black Image The last used black image is used for the next camera restart Otherwise the operator will be prompted to capture a new black image for each time the cam era is restarted Audio The camera or com...

Страница 39: ... by selecting subdirectories to move down the tree or the double dot to move up one level The onscreen keypad is used to enter a project name For computer operation the keyboard can be used for file name entry Open Project Use this menu to access an excisiting project saved on a drive Timecode Settings Type Record Run The timecode increments only when recording i e the clock does not incre ment if...

Страница 40: ...p or workstation this will exit the DVR application ctl Q can also be used Serial Com The camera head SI 2K Mini and the DVR are separate functional units The SI 2K Mini has an internal processor running camera firmware The control is over a virtual serial interface transmitted via the gigabit interface For testing purposes it is possible to send commands directly to the camera bypassing normal GU...

Страница 41: ...tion on this and other aspects of the main screen are described in a section below Set White Set Black Set Black has been described above for setting both the black level and bad pixel map White balance allows the user to create a unique white balance table based on the current image A white card exposed to approximately a 70 level occupying 100 of the image area is placed in front of the lens and...

Страница 42: ...fine tune the shutter speed syncro scan off sets the start of the exposure time in the frame Every increment moves the start of the frame exposure shortening the exposure time by X lines Extended Shutter Mode The exposure time can be extended over multiple frames in this mode Record The Record button or Record hotspot initiates recording in the currently se lected mode The file is saved in the pro...

Страница 43: ...written out to disk After the RAM buffer is flushed and the recorded contents are safely written to disk the live preview will resume This functionality ensures that files are always safely written out to disk and with enough RAM also allows under powered machines to safely record in uncompressed 12 bit or high resolution CineForm RAW Remaining Disk Space The amount of available disk space on the ...

Страница 44: ...ORD will show in the upper left and continue until the hot spot is hit again The clip will automatically be saved to a file with a file name comprised of the project and the time the recording began Look Control Menu In this menu you can adjust your look files with the intergrated color correction tools Please refer to the chapter LOOK CONTROL for further information Zoom To assist in focusing a c...

Страница 45: ...mized viewfinder with basic project infor mation superimposed and maximized viewfinder with no information In all of these modes the hotspots are still active Look On OFF Enables or disables the look 3D LUT feature This feature applies to display only recorded data will not have the look stored as metadata On Screen Guides If the final output format is known guide bars can be added to the screen t...

Страница 46: ...f the main screen Save Image The current image in the preview is stored as a dng jpg dpx and bmp format in the current project directory Load Image A bmp file is loaded into the frame buffer Note that only bmp files can be read Grab Frame The current live image is loaded into the frame buffer Recall Frame Three display modes are cycled by repeated selection of Recall Live video frame buffer image ...

Страница 47: ...ibrary from the file system or modifies and saves a new look file at the time of adding the look to the list replacing what was there that new look is added to the project directory The older look file that was replaced is not deleted from the recording project directory so that any looks that could have been recorded with files in the project directory are safely maintained In order to load up a ...

Страница 48: ...ion system that requires Cineon LOG input In this situation a user will set a Cineon style LUT for the record LUT but preview with a LUT that has a reverse Cineon curve The cinematographer director and any other viewers will see the end result on screen during shooting but the recorded files will have the appearance of a Cineon calibrated file When these files are imported into a system with a pro...

Страница 49: ... IRIDAS color correction control panel is split into three main areas 1 the control panel modes and metering indicators 2 file management and lumi nance separation controls and 3 the control surface itself There are a total of three control surfaces to chose from with CONTROL SET 1 CONTROL SET 2 and the KEYER Each of the two main control sets 1 and 2 are segmented between controlling the entire lu...

Страница 50: ...t is vital that the user have live information on the exposure level of the RAW data and not the effects of the look file which can be misleading for actual exposure level of the RAW image data The general workflow the IRIDAS color correction mode is that a user loads a pre existing look file typically the current look file into the LOOK LIBRARY and then modifies it using the MODIFY button associa...

Страница 51: ...e from set to post The distinction though needs to be made between the keyer and other color meta data information that also travels with the look file The keyer itself is a filter and is therefore not a part of the 3D LUT that the user is creating when making color corrections in the IRIDAS control panel Therefore when the user opens up a clip they have recorded in post in an NLE or other media p...

Страница 52: ...ad up a bmp image as a background to visual ize the effectiveness of the key This image will also be loaded into the internal frame store of the camera so it will be available after exiting the IRIDAS control panel as well By default the keyer is in a COMPOSITE mode that composites either a GREY MATTE or background image from the framestore with the keyed out foreground image Alternatively the use...

Страница 53: ... that If the lens differs from 2 3 there is a multiplying factor For Super 16 lenses the multiplier is about 1 1 for 35 mm lenses it is about 2 5 PL Mount An Arri PL mount can optionally be used Super 16 lenses are an ideal match in optical circle size and have minimal magnification 35 mm lenses will work but will have a 2 4x magnification factor for 2K images B4 Mount Because the SI 2K is a singl...

Страница 54: ...ser access to both the back of the filter and the sensor cover glass All cleaning should be done with the same care as would be shown with a qual ity lens First compressed air should be used without shaking the can to avoid spraying propellant Next a soft lens brush can be used to dislodge particles If this fails to properly clean the optics a liquid optic cleaner and lens tissue micro fiber cloth...

Страница 55: ...entation of the way the human visual sys tem reacts to light and has a two fold advantage it preserves the photometric dynamic range from the 12 bit linear data linear data is not gamma corrected and would look very dark on a normal monitor while also optimizing the image for com pression into CineForm RAW After the 10 bit LOG curve is applied the image is sent to the encoder and then written to d...

Страница 56: ...pressing filters Exposure Meters SiliconDVR provides three methods to give the user feedback for exposure control There is a Spot Meter which reads back an average luminance value for a 10x10 pixel area a False color 6 zone meter for allow the user to see what pixels are falling in a given luminance range in the context of the entire image rather than a waveform which is an abstraction that does n...

Страница 57: ...clip the D P can decrease the ISO of the camera rating it at ISO 200 or 160 etc in order to gain signal to noise ratio basically pushing more data to the top of the dynamic range curve where there is less noise in the signal When rated at ISO 160 under a 3200K light source for instance the camera will have only 3 7 f stops between an 18 grey card exposed at 40 luminance and 100 white clip 1 f stop...

Страница 58: ...t anything imaginable During recording the look file information is saved in a layer above the RAW 10 bit log data and is rendered in real time during playback at the codec level This makes the look metadata non destructive and look files can be swapped out in the post process if they are not deemed to be the desired LUT the D P would have applied to the footage Because the look file is a portion ...

Страница 59: ...ariable speed control Sensitivity at 0 db ISO 250 at 3200K and ISO 160 at 5600K Other Sensitivities at 3200K 3db ISO320 9db ISO640 6db ISO500 12db ISO1000 Integrated Recording Software SiliconDVR SiliconDVR Software controlled Camera Environment 2K Formats 2048x1152 12 16 18 21 23 97 24 25 fps DCI 2048x1080 12 16 18 21 23 97 24 25 29 97 30 fps Scope 2048x856 12 16 18 21 23 97 24 25 29 97 30 40 fps...

Страница 60: ...ble and are full integrated into CineForm RAW color pipeline Non destructive user selectable white balance modes 3200K 5600K User and None 32 bit floating point rendering pipeline with support for super white and black points Non destructive metadata adjustments and post processing using Prospect 4K and IRIDAS toolset Touchscreen LCD and User Interface HD resolution 8 4 Touchscreen LCD with advanc...

Страница 61: ...cording multiplexed into AVI Speaker Headphone output SMPTE time code embedded into AVI files SMPTE time code syncing to external LTC USB devices On screen Audio Level Left Right indicators with overload warning Optical Mechanical and Power Requirements Full compatible with Anton Bauer Gold Mount battery system 14 4V Nominal DC Power Regulation 11 5 19V 12V 5A total power consumption Interchange C...

Страница 62: ...62 Technical Specifications SI 2K Manual ...

Страница 63: ...534 Von Karman Avenue Suite 200 Irvine CA 92614 6208 USA Phone 949 650 1766 Sales hd siliconimaging com Support support siliconimaging com In Europe P S TECHNIK GmbH Siemensstraße 12 D 85521 Ottobrunn München GERMANY Tel 49 0 89 45 09 82 30 Fax 49 0 89 45 09 82 40 Email info pstechnik de Web www pstechnik de ...

Страница 64: ......

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