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Chapter 4

Tut o r i a l s

Setting Up a Chroma Key

The chroma key is one of the most widely used tools in news broadcast. It is used
nightly on weather broadcasts. The concept behind chroma keying is simple:
remove a selected color from a video signal and replace it with another video
signal. Chroma keying allows your local meteorologist to stand in front of a
satellite map and point out a storm moving in. In actuality, the weatherman is
standing in front of a green or blue wall, and a chroma keyer is removing the green
or blue from the video signal and replacing it with another video image, in this
case a satellite image.

The following topics are covered in this tutorial:

•

Auto-setting the chroma keyer

•

Cleaning up a key

•

Adjusting a chroma key

•

Keying in framestores and live sources

•

Manually setting the chroma keyer

Auto-Setting

The Chroma

Keyer

The GlobeCaster chroma keyer has a sophisticated

Auto-set

function that

automatically chooses the predominant color value in a video image. For example,
if you use a framestore with a predominantly blue background,

Auto-set

sets the

chroma keyer to key out, or remove, certain shades of blue.

This project shows you how to use the

Auto-set

function of the GlobeCaster

chroma keyer, and how to use the chroma keyer to key in part of a framestore
image over several different backgrounds.

1.

Locate the bin labeled

GlobeCaster\Bins\Stills\Manmade

(Figure 4.1).

Figure 4.1: GlobeCaster\Bins\Stills\Manmade

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Summary of Contents for GlobeCaster STUDIO 4000

Page 1: ...Switcher Manual ...

Page 2: ...alStreams logos GlobeCaster and the GlobeCaster logos Warp Engine GlobeCaster Editor GlobeCaster Animator Compositor Time Machine GlobeCaster Effects Generator GlobeCaster Character Generator GlobeCaster Switcher GlobeCaster Virtual Sets ClipMem and 3D Video Tracing are trademarks of GlobalStreams Inc Trinity is a registered trademark of GlobalStreams Inc Windows and Windows NT are registered trad...

Page 3: ...ffect Properties Panel 50 Effect Border Color Panel 52 Freeze and Strobe Controls 53 Keyer Controls 54 Keyer Settings Panel 55 Application And Additional Panel Buttons 60 Audio Mixer 61 VTR Transport Sync Roll Live Digitize 68 Switcher Options Panel 73 Mixer Preferences Panel 76 Other Switcher Controls 78 Chapter 4 Tutorials 87 Setting Up a Chroma Key 88 Setting Up And Performing Live Switching 98...

Page 4: ...ii Table of Contents ...

Page 5: ...CHAPTER 1 SWITCHER MANUAL DOCUMENT OVERVIEW ...

Page 6: ...2 ...

Page 7: ...o shows what you see when you navigate through the GlobeCaster Switcher interface Within these pages are instructions on how to switch video use transitions digitize clips set up a timeline and set up a keyer All of the GlobeCaster Switcher s buttons panels and functions are covered here as well This chapter contains the following Introduction 4 Conventions 5 ...

Page 8: ...els controls and pop up menu functions It also includes tutorials and a Quick Start section to help you get started with GlobeCaster Switcher The following topics are covered in the tutorial Setting Up A Chroma Key Setting Up And Performing Live Switching Performing A Sync Roll With The VTR Transport Panel Using Virtual Sets ...

Page 9: ... within General Conventions The following formats are used to identify special instructions or important points in this manual 1 numbered Indicates step by step instructions to follow Bold Type Indicates words you should type buttons you should click names of menus or windows and file path names Italic Type Indicates emphasis of important points ...

Page 10: ...g the button down move the mouse around This is used mainly to draw boxes over objects to select them Double click Place the mouse pointer over an object Press the left mouse button twice quickly and immediately release Drag and drop Place the mouse pointer over an object Press the left mouse button and hold it down Drag move the object anywhere on your screen When you release the mouse button the...

Page 11: ...CHAPTER 2 SWITCHER MANUAL QUICK START ...

Page 12: ...8 ...

Page 13: ...Caster can perform To get a complete list of the function of every button panel and pop up menu skip ahead to the GlobeCaster Switcher Reference chapter When you finish the tours in this chapter remember that there is a veritable cornucopia of other effects to play with in your GlobeCaster bins Explore and have fun The following topics are covered in this chapter Performing A Cut 12 Performing A D...

Page 14: ...r Studio 8000 and Studio 4000 The interfaces only differ in terms of which controls are not available due to the Studio 4000 s limited hardware bus row inputs 5 6 7 are permanently disabled and DSK3 DSK4 controls are permanently disabled Figure 2 1 The Studio 8000 Switcher Interface ...

Page 15: ...f these including chroma keying alpha keying down stream keying of animations freeze frames and more 1024 Mode There are some GlobeCaster users who s monitor and video card do not support viewing a 1280 x 1024 resolution For this reason there is an alternate software layout that is specific to a 1024 x 768 resolution Although GlobalStreams stongly recommends using 1280 mode you can view the 1024 m...

Page 16: ... Still Picon 2 Double click on the picon This loads the still into one of GlobeCaster s framestore channels and you see it appear in the Preview Figure 2 7 monitor 3 Click on the Cut button near the bottom of the screen to the right of the T Bar handle The keyboard shortcut for this is Enter Figure 2 5 Cut Button You see the image move to the Program Figure 2 1 and Figure 2 2 monitor NOTE The Pro ...

Page 17: ...ear in the Preview monitor Figure 2 7 Figure 2 7 Picon in Preview Monitor 6 Click Cut again NOTE If you have one or more video sources connected to GlobeCaster feel free to use them instead of one or both stills The GlobeCaster Switcher swaps the images in the Program and Preview monitors and the second image is now broadcast ...

Page 18: ...uration of the dissolve by setting the effect duration above the Auto button to a different number The effect duration is the number of frames it takes the transition to occur To change it do the following 1 Click on the Mix button You see the Mix button turn yellow 2 Click on the number just above the Auto button delete the existing number and type in a new number Or click in the box and drag up ...

Page 19: ...the Fade button You see the Fade button turn yellow and the program on your external monitor fade to black You do not see this on the Program monitor on the GlobeCaster Switcher interface 2 Click the Fade button again to bring the program back to normal TIP The default duration for this fade is 15 frames To change it select the number in the box just above the Fade button and type in a new number ...

Page 20: ...1 Double click on the picon This loads it as the current effect and you see it in the display above the FX effects label above the Mix button Figure 2 11 Figure 2 11 Loading the Current Effect 2 Click the FX button You see the FX light up 3 Click Auto In the Program monitor you see the image from the Preview monitor wiped on replacing the image in the Program monitor FX Mix Button Auto Button ...

Page 21: ...n to remove one video source and replace it with another To see an example of an organic wipe locate the following picon in the Bins FX Sampler bin Figure 2 12 Picon For Organic Wipe 1 Double click on the picon to load the effect as the current FX You see it load into the display above the FX button Figure 2 13 Figure 2 13 Picon in FX Window 2 Click Auto You see the image transition in the Program...

Page 22: ...isplay above the DSK downstream key button Figure 2 15 v Figure 2 15 Picon in DSK Window 2 Click Auto You see the transition in the Program monitor Using Digital Video Effects GlobeCaster can perform another class of effects called digital video effects Digital video effects change the shape of or warp the video picture rather than just replacing one picture with another as in a wipe To see an exa...

Page 23: ...ects With Graphics Finally let s combine a graphic with a digital video effect Locate the following picon in the Bins FX Sampler bin Figure 2 17 Picon for Digital Video Effect with Graphics 1 Double click on the picon to load the effect 2 Click Auto You see the transition in the Program monitor ...

Page 24: ...l you can also adjust other properties such as duration 1 Locate the following picon in the Bins FX Sampler bin Figure 2 18 Picon For Wipe 2 Double click on the picon to load it as the current FX You see it load into the display above the FX button 3 Right click on the picon in the display above the FX button and choose Properties from the pop up menu You see the Effect Properties panel appear in ...

Page 25: ...6 color boxes in the lower right corner of this panel These small color picons represent pre mixed colors You see this color appear in the box next to the Border button in the Effect Properties panel 9 Close the Effect Border Color and Effect Properties panels 10 Click Auto You see the image transition in the Program monitor Note the soft edges and color border as the transition wipes counter cloc...

Page 26: ...22 Chapter 2 Quick Start the FX button into a bin To replace your original effect click the Save Over Original File button in the Effect Properties panel ...

Page 27: ...d played back simultaneously while the editor switches the tapes as if they were on location switching cameras live With the VTR Transport Sync Roll Live Digitize panel you can create a timeline as you switch these tapes That way you can bring your timeline into Editor and make minor adjustments or corrections To get a feel for how to create a timeline with Switcher let s build a simple timeline u...

Page 28: ...c Roll Live Digitize Panel 2 Make room for your timeline by clicking and dragging the edge of the FX Sampler bin up in the upper left corner of your screen until there is an empty space under or above the bin 3 Right click in the empty space and choose New Timeline Window from the pop up menu You see a timeline window fill the space Figure 2 23 Figure 2 23 A Timeline Window ...

Page 29: ...igure 2 25 FS2 Button on the Preview Bus 5 Load the American Flag framestore from the Bins Stills Sampler bin into the Program bus by dragging and dropping its picon Figure 2 26 onto the FS1 button on the Program bus Figure 2 26 American Flag Framestore Picon You see the FS1 button light up indicating that the framestore is loaded into the Program monitor 6 Load a wipe Figure 2 27 from the Bins FX...

Page 30: ...e for the wipe to complete its transition before each click You see the framestore in the Program monitor transition into the framestore in the Preview monitor three times 10 Click the Stop All button in the VTR Transport Sync Roll Live Digitize panel 11 You see the transitions and framestores you switched appear in the timeline window Figure 2 29 Figure 2 29 Timeline With Content 12 Save the time...

Page 31: ... the GlobeCaster User Guide for more information on the Global Settings panel Figure 2 30 Timeline Picon The timeline you created can be edited in the GlobeCaster Editor or played back in GlobeCaster Switcher Play back a timeline in GlobeCaster Switcher by loading it into the FX window above the Mix FX and DSK buttons Do this by dragging and dropping it into the FX window from the bin where you sa...

Page 32: ...res 1 Load the framestore of a flag from the Bins Stills Sampler bin into the Preview bus by dragging and dropping its picon Figure 2 31 onto the FS2 button on the Preview bus Figure 2 31 Paint Brushes Framestore Picon You see the FS2 button light up indicating that the framestore is loaded into the Preview monitor 2 Load the framestore of the White House from the Stills Sampler bin into the Progr...

Page 33: ...R Transport Sync Roll Live Digitize panel Figure 2 34 appear in the upper right corner of your screen Figure 2 34 The VTR Transport Sync Roll Live Digitize Panel 6 Click the TimeMachine button You see the TimeMachine button turn yellow indicating that Time Machine is active You see the transport control buttons except Record turn gray When digitizing live clips you only have the option to record o...

Page 34: ...window you see the word Recording With the Record button selected Time Machine digitizes what is seen on the Program monitor 9 Click the Auto button in your GlobeCaster Switcher three times allowing time for the wipe to complete its transition before each click You see the framestore in the Program monitor transition into the framestore in the Preview monitor three times 10 Click the Stop button o...

Page 35: ...in GlobeCaster Switcher or dropped into any timeline Digitized clips are automatically saved to Time Machine s hard drives and by clicking Save a shortcut to these clips is saved in the default bin set in the Global Settings panel See the chapter on Using Configure Panels in the GlobeCaster User Guide for more information on using the Global Settings panel Save the digitized clip s picon by draggi...

Page 36: ...32 Chapter 2 Quick Start ...

Page 37: ...CHAPTER 3 SWITCHER MANUAL REFERENCE ...

Page 38: ...34 ...

Page 39: ...ter Video Busses 37 Matte Color Panel 43 Effect Controls 45 Effect Properties Panel 50 Freeze and Strobe Controls 53 Keyer Controls 54 Keyer Settings Panel 55 Application and Additional Panel Buttons 60 Audio Mixer 61 VTR Transport Sync Roll Live Digitize 68 Switcher Options Panel 73 Mixer Preferences Panel 76 Other Switcher Controls 78 ...

Page 40: ...ing figures illustrates the GlobeCaster Switcher s many function controls Figure 3 1 Switcher s Function Controls in GlobeCaster Studio 8000 Preview Bus Program Bus Key Bus Aux Bus T Bar Effect Controls Freeze Strobe Controls Matte Color Additional Panel Buttons Application Buttons Graphics Link Key Controls Genlock VideoNet Soft Buttons Key Preview Bus ...

Page 41: ... the busses Program Represents what is actually going out over the air This is the most important bus in the GlobeCaster Switcher as whatever is selected here is what is actually broadcast or recorded The Program bus must always have a button selected Preview A secondary video bus used to preview video sources to decide which should go out on the air next Most transitional video effects take the c...

Page 42: ...row above Program via the Cue button Aux Bus Another video bus just like the Program bus and the Preview bus Certain GlobeCaster configurations with multiple video paths can use the Aux bus to specify a third video source for effects using three video sources For example two framestore cards and a warp engine or two warp engines and a framestore card Inputs 1 8 GlobeCaster Studio 4000 Inputs 1 4 O...

Page 43: ...igure 3 7 Context Menu for Softbuttons The following list explains these buttons and their functions Blk Black Causes the video bus to display black 7 5 IRE Mat1 Mat2 Selects the matte color for that bus A matte is a solid color screen Matte color is shown by the Matte Color button located next to the input labels Matte color can be set by right clicking on any of the Mat buttons or by clicking on...

Page 44: ...ounters These counters show the current timecode of the corresponding Time Machine clips The counters can either show the timecode of the current position Count Up show the amount of time left Count Down to 0 00 00 00 or be hidden This feature is controlled through the Switcher Options Panel For more information on this panel see Switcher Options Panel on page 73 CM1 CM2 etc Represents a ClipMem T...

Page 45: ... Clip Loop The loop button appears when a digitized clip or ClipMem is loaded into a softbutton Clicking the Loop button loops the digitized clip or ClipMem when it s playing on the Program bus FS1 FS2 etc Represents framestores or stills These are where still images are chosen as a video source To load a still into one of the framestores simply double click on it Additional FS buttons can be crea...

Page 46: ...to turn on a specific input when the next Cut is performed To use this function simply click the Cue button and then click the desired key source on the Key bus The next time a cut is performed the selected Key input is activated Toggle Clicking on this button locks a key image to a background source for the purposes of transitions That way you can use a single keyboard command to toggle two sourc...

Page 47: ...tton Figure 3 11 If this panel is brought up by clicking the Mat1 button it is labeled Matte 1 Color If this panel is brought up by clicking the Mat2 button it is labeled Matte 2 Color Figure 3 11 The Matte Color Button The following list explains how to use this panel Color Picon Mini Color Picon Value Slider Matte Color Button Revert Removes any changes made in this panel and resets it to its or...

Page 48: ...aturation and value These values can also be adjusted by typing a new value in the boxes to the right of the sliders Mini Color Picons A set of small color picons These colors can be loaded as the Color picon by dragging and dropping them into the Color picon or by double clicking on one A Mini Color picon can be changed by clicking and dragging the Color picon onto it Default Resets the mini colo...

Page 49: ...e click its picon While GlobeCaster is loading the effect you see the effects picon being animated until the effect is completely loaded and ready to use To use the effect instantly click the FX button and the effect will run in the program window The button under this picon lights up when an effect is running More than one transition can be loaded in the FX picon Right clicking on this picon brin...

Page 50: ...his brings up the Effect Properties panel See Effect Properties Panel on page 50 for more information about this panel Unload current DSK Unloads the current DSK in the window Unload ALL DSKs Unloads all the loaded DSKs in a particular window Unload Idle DSKs Unloads all effects of the corresponding FX or DSK except for those already running or prepared to run This is beneficial if you want to fre...

Page 51: ...f the effect is off dark green clicking the button launches the effect Alternatively clicking the button while running green turns off the effect Graphics Link Button Represents a sharing resource issue betwen an effect and a DSK If your effect uses the Switcher s graphic layer and a DSK is cued up this will warn you light up that running the effect will stop the other effect Mix FX and DSK These ...

Page 52: ... two sources Notice the editbox located above this button it specifies the duration of the transition Half of the time is used to fade out Program and the other half is used to fade in Preview For example a 20 frame value means that 10 frames to fade Program and 10 frames to fade in Preview Aux Mix Performs a dissolve between Program and Auxillary instead of a dissolve between Program and Preview ...

Page 53: ...ly clicking on the numerical display and entering a new value Fade The master Fade to black button fades Program Out to black This happens downstream of everything else inside of GlobeCaster so it leaves effects and graphics loaded but not showing This gives an easy way to come back from a commercial break with an effect still running The time it takes to fade to black can be adjusted by changing ...

Page 54: ...panel applies specifically to transitions or DSK effects Values and buttons are grayed out when they aren t applicable to the effect you are altering The following list explains how to use the Effect Properties panel Path Name Displays the current path the effect To enter a new path type in the path of your choice and click on Save File You ll notice that the Save File button switches to Save Over...

Page 55: ...ck on the numeric value and drag the mouse up or down to change the value Reversed Reverses the direction of an effect Softness Adjusts the softness of an effect s edges Set the Softness value by clicking on the numeric value typing in a new value and pressing the Enter key on your keyboard You can also click on the numeric value and drag the mouse up or down to change the value Flip Vertically Fl...

Page 56: ...3 15 The Effect Border Color Panel NOTE The Bor der button is grayed out for some effects but it is available for all of the wipe effects Bring up this panel by clicking the color box next to the Border button in the Effect Properties panel The Effect Border Color panel buttons function the same as the Matte Color panel s buttons See Matte Color Panel on page 43 for more information on the functio...

Page 57: ... this button displays a menu that allows you to designate a new path or lets you keep the default path Frozen Frame Picon Windows Displays the picon of the frozen image Dragging this picon to a bin saves whatever format is selected in the Framestore Settings properties panel To quickly change these settings right click on the picon and adjust the settings in the panel that appears See the chapter ...

Page 58: ...5 for more information about this panel Clicking on the bottom Keyer Controls button below the word Key brings up a pop up menu from which you can select a keyer mode Choose between Off Normal Mix Add Luma and Ext Alpha modes Following is a list of how each keyer mode functions Off When selected the keyer is off Normal Overlays a video source on top of a key Mix Performs color canceling before key...

Page 59: ...eyer is a key that electronically cuts a specific color or range of colors out of a video image and inserts another video source in that hole To set up a chroma key on the Keyer Settings panel select Chroma as the Key Type This brings up the Chroma Keyer panel Figure 3 18 Figure 3 18 Chroma Keyer Panel Here s how to adjust the settings Color Picon The colored square to the right of the Key Type bu...

Page 60: ...g Hue Used only in Manual mode this slider selects the colors to be keyed out The numbers to the right of the slider represent the 360 degrees of the color wheel A value of 1 is pretty close to chroma key blue Chroma key green is around 230 Softness Smooths the edges of the areas keyed out Set this for a value that softens the edges of the keyed area without adversely affecting the edges of other ...

Page 61: ...djusts the level of brightness to be keyed out Brightness values range from 0 to 359 Traditional In this mode the GlobeCaster keyer works like a traditional keyer You set a threshold value and everything above or everything below depending on whether you click the Invert button this value is keyed out The other option is Expanded mode Expanded In this mode you can set a specific range of values to...

Page 62: ...ich video input an external alpha channel is linked to To set an external alpha channel on the Keyer Settings panel select External Alpha as the Key Type This brings up the External Alpha panel Figure 3 20 Figure 3 20 External Alpha Panel To set an external alpha channel do the following 1 Click on a button under Video Input ...

Page 63: ...talled in slots 1 3 and 4 of the GlobeCaster You can also use mattes framestores black or Program Out as your video source 2 Select the appropriate video input source 3 Click on the Alpha Input button next to the Video Input button 4 From the pop up menu select the source you want to use as the alpha channel for the video input When you set the key to External Alpha in Switcher GlobeCaster automat...

Page 64: ...y and help you learn each application _ Minimizes the GlobeCaster application you are in X Closes the GlobeCaster application you are in Panels Brings up a pop up menu from which you can toggle the Audio Mixer Monitors and VTR Transport Sync Roll Live Digitize Switcher Options and Mixer Preferences on and off When the Audio Mixer is brought up it appears in the upper left corner of the screen the ...

Page 65: ...roduction mixing while the mixer in GlobeCaster Switcher is designed for live audio mixing You can access the audio mixer from the Panels button located on the bottom right of the screen Figure 3 23 Figure 3 23 Panels Button Select Audio Mixer from the pop up menu Figure 3 24 Figure 3 24 Selecting Audio Mixer Panels Button Audio Mixer Menu Option ...

Page 66: ...s adjusted once using a reference tone for the input device and left alone from that point The trim is effective before any other levels are set Send L Controls the level of the channel that is sent to the left effects send output jacks When working with an external effects device you may want a small amount of effect applied to a channel Send L controls the level of the mix sent to the effects pr...

Page 67: ... the selected channel For more information on the EQ panel see EQ Settings Panel on page 66 Solo Sets the selected channels to be audible as indicated by the select lights The channels are only heard through the Monitor outputs when Solo is selected allowing you to cue up the volume of the track without having the track go out over the air Mute Mutes or silences the selected channels Pan Set how m...

Page 68: ...selected Selecting Line controls one channel in the original Graham Patten configuration selecting Line controlled two channels Right clicking on channels seven and eight display the same pop up menu but with the addition of two more functions Input and Return Input Gives you two additional inputs without having to re connect any cables Return Gives you two additional returns without having to re ...

Page 69: ...which output the monitor outputs are listening to You can choose between the Program Out Effect Send or the channels with Solo turned on Mute Silences the monitor speaker output Monitor Stereo Links the monitor sliders so that when one is adjusted the other one follows automatically Master Levels Controls all left and right levels going out to Program Out When dragging these sliders you should see...

Page 70: ...s passed through the mixer Flat doesn t make any modification to the sound Notch lowers the level of the frequencies in this range Peak raises or lowers the levels in this range Gain Sets the amount of EQ effect applied to the frequencies in this range Frequency Sets the center frequency that the setting is applied to This frequency is at the top of the Peak or at the bottom of the Notch or set at...

Page 71: ...it can be used by dragging and dropping it from a bin into the Response window or by dragging and dropping it from a bin onto an EQ button in the Audio Mixer panel or onto a clip or audio track in a timeline If the picon is dropped onto a clip in the timeline the EQ settings will affect all channels of audio for this clip If the picon is dropped onto an audio track the EQ settings will only affect...

Page 72: ...in your GlobeCaster Switcher by loading it into the FX window above the Mix FX and DSK buttons To do this double click the timeline s picon or drag and drop it into the FX window Timelines loaded into the FX window are sent out over the air by clicking the Auto button Figure 3 29 VTR Transport Sync Roll Live Digitize Panel Following is a list of the buttons and functions of this panel Ports Ports ...

Page 73: ...p menu from which you can assign audio channels from the Audio Mixer to the VTR TMI Time Machine Clicking the TMI button allows you to digitize live clips If Time Machine is selected button is yellow all of the transport control buttons are disabled except the Stop and Record buttons Assign which source Time Machine digitizes from by clicking the button to the right of the TMI button and selecting...

Page 74: ...1 Frame Moves ahead one frame at a time Play Plays normally Fast Forward Fast forwards Stop Stops play or recording Eject Ejects tape Record Starts recording Mark Marks an in point During sync roll editing it is only necessary to mark in points Cue Cues a single deck to a marked in point TMLen Timecode box that displays the approximate number of frames that have been recorded while crash recording...

Page 75: ...p to speed at the beginning of the sync roll Stop All Stops all controlled VTRs Rec Safety When Rec Safety is on clicking the Start All button brings up a pop menu that asks if you really want to record Build Timeline Automatically builds a timeline as events such as clips and transitions are switched Start All must be on while you create your timeline Once you ve switched your project click the S...

Page 76: ...se this EDL Multiple export formats will be available in addition to the current CMX format Choosing Play in Loop plays the selected clips in a loop New TL Clears the timeline and starts a new one Digitized Clip Picon The picon of a live clip digitized with Time Machine The clip s picon is the first frame of the clip New Clip Clears the clip and starts a new one Save Clicking the Save button to th...

Page 77: ...e Switcher Options Panel is displayed by clicking on the Panels button on the main interface and selecting Switcher Options The following features are found on this panel Audio follows video Allows you to transition the audio along with the video for example when dissolving the video it cross fades the audio You can specify whether the audio fade in and out takes the entire length of the transitio...

Page 78: ...rt Instant Trigger FX Running the dissolve via the Instant Trigger accelerator key supports Audio follows Video as if you had clicked on the Auto button with the FX mode enabled Aux Source is Always Audible The source selected on the Aux bus is always audible Key Source is Always Audible when Keying The source selected on they the Key bus is always audible when chroma keying Effect Sources Audible...

Page 79: ...d Settings Allows you to send commands to Switcher via a serial port or pipe This will enable an external computer to send commands via a serial port or a program running on the same machine or on a different machine on the same LAN to send commands via a pipe The commands are sent via ASCII text strings delimited by the return character OxD e g the string PGM1 followed by a return character will ...

Page 80: ...ts whether Audio Follows Video is supported for the mixer channel or not Y is yes and N is no Min Minimum level value to set when the device is turned down in an Audio Follows Video transition Max Maximum level value to set when the device is turned down in an Audio Follows Video transition Mode Whether the mixer channel pairs are handled as a stereo pair or independent mono mixers S is stereo and...

Page 81: ...o channels to the corresponding mixer channels e g audio pin 1 to mixer channel 1 audio pin 2 to mixer channel 2 etc Restore Min Max Values Restores the minimum and maximum values to their default values 0 dB for max 99 9 dB for min Clear Audio Mixer Connections Unassigns all mixer connections ...

Page 82: ...ou have a ClipGrab card installed The vector scope waveform monitor is useful for analyzing picture content information such as color correction setup level and peak signal levels but not timing information Because the internal signals in GlobeCaster are digital there is no viewable timing data for the vector scope waveform monitor to display NOTE The vector scope can be seen at the same time as t...

Page 83: ...ff at the desired point and it freezes the scope output When viewing the scope the letters stand for the following colors Colors show up on the scope as illuminated areas in a position on the display that is proportional to their color The distance of the illuminated area from the center of the scope is proportional to the saturation and the position in the arc of the circle at which degree it sho...

Page 84: ...utton It toggles to the other field For more information on video fields see Field in the glossary of the GlobeCaster User Guide 75 Gain Allows PAL users to adjust 100 color values to 75 color values Vector Scope Click this button to choose from the following types of scopes Vector Scope Y Waveform Cb Waveform Cr Waveform or Parade The default is Vector Scope Vector Scope Analyzes color informatio...

Page 85: ...right The vertical axis represents luminance values from 0 bottom to 255 top The top line represents a digital value of 235 which corresponds to about 100 IRE for NTSC and represents the whites in the picture The bottom line represents a digital value of 16 which corresponds to about 7 5 IRE for NTSC and represents the blacks in the picture Anything below this line is considered super black 0 Supe...

Page 86: ...resent blues in the picture Dots below the line represent yellows Cr Waveform Measures the relative redness of the picture Figure 3 38 The Cr Waveform Monitor Analyzing Color Bars The line in the center is a zero color value no red a numeric value of 128 equals zero color Dots above the line represent reds in the picture Dots below the line represent cyans 0 16 128 240 255 Toward Yellow No Blue To...

Page 87: ... the scope begins analyzing color information The top of the screen is line 0 and the bottom is line 243 of Lines Sets the size of the vertical band that the scope analyzes The entire screen is 243 lines All Lines Resets Start Line to 0 and of Lines to 243 so that all lines of the picture are analyzed Graticule Adjusts the brightness of the scope overlay Brightness Adjusts the brightness of the pi...

Page 88: ...f the last VideoNet transmission by right clicking on the light Genlock Shows the status of the external genlock If there is no light this means GlobeCaster is not genlocked to an outside source A green light indicates GlobeCaster is genlocked to a good reference signal A red light means a bad reference signal is being fed into the genlock input This could mean that a PAL or monochrome signal is b...

Page 89: ...CHAPTER 4 SWITCHER MANUAL TUTORIALS ...

Page 90: ...86 ...

Page 91: ...r 4 Tutorials This chapter is designed to get you up and running with your GlobeCaster Switcher program There are four tutorials that cover the basics of using Switcher Setting Up a Chroma Key 88 Setting Up and Performing Live Switching 98 ...

Page 92: ...ge The following topics are covered in this tutorial Auto setting the chroma keyer Cleaning up a key Adjusting a chroma key Keying in framestores and live sources Manually setting the chroma keyer Auto Setting The Chroma Keyer The GlobeCaster chroma keyer has a sophisticated Auto set function that automatically chooses the predominant color value in a video image For example if you use a framestor...

Page 93: ... Auto set chroma keyer feature looks at framestores or video only on the Preview bus to find the prevalent color value Framestores on the Program bus do not effect which color is keyed out 3 In the Key Bus click the Framestore button that corresponds with the balloon still For colors to be keyed out of a video source that video source must be selected in the Key Bus 4 Click on the small color rect...

Page 94: ...Manual but ton You see the color picon in the Keyer Settings panel turn black with a small blue dot in the center The picon in this panel represents a color wheel The colors visible in the wheel are the colors that are keyed out Since our still is mostly blue the keyer is now set to key out or remove the blue from it The Auto set function uses an algorithm to choose the best possible shades of blu...

Page 95: ...t of color taken out of the signal If too much blue is removed from the image lowering the range value compensates Softness Affects the edges of the objects Increasing the softness smooths the edges of the objects you are trying to key Be careful not to increase the Softness value too much or it will cause your image to become transparent Low Sat Used to limit which colors are being removed from t...

Page 96: ...3 Click on the Softness slider and drag it right or left to clean up the edges of the balloons Because of the blue stripes in the balloons it is difficult to get clean edges without removing the edges of the stripes Try to get the edges as clean as you can 4 Click on the Low Sat slider and drag it right or left to adjust the value if you are having difficulty getting soft edges Keying In A Framest...

Page 97: ...loons over the your live camera source in the program monitor Figure 4 9 Figure 4 9 Balloons Keyed over a Live Camera Source Manually Setting The Chroma Keyer Because of uneven lighting or an uneven background color there are times when the Auto set feature won t be the best selection In these situations you need to manually set the chroma keyer Once you are comfortable using the keyer the Keyer S...

Page 98: ...framestore into the Preview bus Figure 4 11 Color Wheel Picon You see the color wheel framestore in the Preview monitor 3 Click the Blk button on the Program bus to set the program out to black Figure 4 12 The Black Button in GlobeCaster Studio Figure 4 13 The Black Button in GlobeCaster Studio 4000 4 Click the FS button that corresponds to the color wheel framestore on the Key bus Blk Button ...

Page 99: ...n You see the Manual button turn yellow In the Program monitor you see the color wheel framestore with a small sliver of black taken out Figure 4 14 The sliver of black is the color keyed out of the video signal Figure 4 14 Color Wheel Framestore with a Small Sliver of Black Taken Out You see the Keyer picon in the Keyer Settings panel with the sliver of color missing from the color wheel Figure 4...

Page 100: ...igure 4 16 in the Keyer Settings panel affects what colors are keyed out Figure 4 16 Hue Width Softness and Low Sat Sliders By playing with these values you should be able to set a very crisp and clean key Try not to take too many colors out or you may find a piece of clothing being keyed out inadvertently This happened often during weather broadcasts in the 1970s ...

Page 101: ...color move around the Keyer picon in the Keyer Settings Panel Width Adjusts the size of the sliver of color in the Keyer picon affecting the number or range of colors keyed out A value of 1 is a small sliver while a value of 40 is a large sliver By clicking on the Width slider and dragging it right or left you see the size of the sliver of color grow and shrink Softness Can be used to make the edg...

Page 102: ...itch a production studio can be found on your GlobeCaster Switcher interface The bottom half of the screen is dedicated to the most commonly used switcher elements input bus T Bar and Effect Controls but the top half of the screen is configurable to meet the your needs At any given time you can have any of the following features available to you on your interface bins which contain FX DSK framesto...

Page 103: ...99 GlobeCaster Switcher Manual and Preview screens as well as a waveform vectorscope The bin layout can be configured to accommodate your needs Figure 4 17 Switcher Layout in GlobeCaster Studio ...

Page 104: ...ur bins so that it is only half as tall as the default window This leaves a blank gray space just below your newly sized bin Figure 4 19 Figure 4 19 Gray Space Below Bin 2 Right click on this empty gray space and select the New Bin Window option Figure 4 20 Figure 4 20 Choosing a New Bin Window This opens a new bin window which displays the contents of your GlobeCaster Bins folder Gray Space New B...

Page 105: ...hat bin that can be used at a later date to reload this layout should you need to change it around You can save multiple layouts for each application Layouts can be loaded by double clicking on the saved layout picon Figure 4 22 Saved Layout Picon Selecting Inputs All of your inputs can be selected directly from the busses located in the lower left side of the interface These busses are Program Pr...

Page 106: ...review Bus In GlobeCaster Studio 4000 3 To cut from Program to Preview simply press Enter or click on the Cut button to the right of the busses 4 To dissolve from Program to Preview make sure that Mix is highlighted and then press the space bar or click on the Auto button to the right of the Cut button Figure 4 26 Mix and Auto Buttons 5 Once you have switched your Preview input to your Program inp...

Page 107: ...bin 2 Find the basketball transition picon in the GlobeCaster FX Sampler bin Figure 4 27 Figure 4 27 Basketball Transition Picon 3 Double click on the picon You see a thin green line scanning over the FX picon just to the right of the T Bar When the transition is finished loading you see the picon of the transition in the FX picon window Figure 4 28 Figure 4 28 Basketball Picon in FX Window 4 Afte...

Page 108: ...rag up or down to modify the value Figure 4 31 Length of Effects in Frames In some cases you will also want to load a still into your live video To do this simply double click on a framestore picon in one of your bins and it loads automatically into your Preview bus You can now use FS1 and FS2 as inputs for live switching Freezing And Strobing Live Video The GlobeCaster system also comes with feat...

Page 109: ...the source continues to play in the background 4 To change back to live video click on the Live button 5 If you wish to save the Freeze frame drag and drop the frozen picon to a bin Using The Audio Mixer Your GlobeCaster Switcher also integrates with an optional audio mixer module The Audio Mixer panel allows you to access all eight of these live audio inputs at any point in your broadcast While t...

Page 110: ...el 2 Set the mixer settings to the appropriate levels for your studio 3 Click on Set Default This saves the settings you have made as the default mixer settings for Switcher 4 To use these settings at any time click on the Use Default button For a complete description of the audio mixer see Audio Mixer on page 61 For more tutorials using Switcher see the GlobeCaster Tutorial Manual ...

Page 111: ...SWITCHER MANUAL APPENDICES ...

Page 112: ...108 ...

Page 113: ...s F4 Input 4 on Program Bus F5 Input 5 on Program Bus F6 Input 6 on Program Bus F7 Input 7 on Program Bus F8 Input 8 on Program Bus F9 or Alt F1 First Softbutton on Program Bus F10 or Alt F2 Second Softbutton on Program Bus F11 or Alt F3 Third Softbutton on Program Bus F12 or Alt F4 Fourth Softbutton on Program Bus Alt F5 Fifth Softbutton on Program Bus Alt F6 Sixth Softbutton on Program Bus Alt F...

Page 114: ... or Alt 4 Fourth Softbutton on Preview Bus Alt 5 Fifth Softbutton on Preview Bus Alt 6 Sixth Softbutton on Preview Bus Alt 7 Seventh Softbutton on Preview Bus Key Bus backslash Q Input 1 on Key Bus W Input 2 on Key Bus E Input 3 on Key Bus R Input 4 on Key Bus T Input 5 on Key Bus Y Input 6 on Key Bus U Input 7 on Key Bus I Input 8 on Key Bus O or Alt T First Softbutton on Key Bus P or Alt Y Secon...

Page 115: ...Aux Bus Shift T Input 5 on Key Preview Aux Bus Shift Y Input 6 on Key Preview Aux Bus Shift U Input 7 on Key Preview Aux Bus Shift I Input 8 on Key Preview Aux Bus Shift O or Shift Alt T First Softbutton on Key Preview Aux Bus Shift P or Shift Alt Y Second Softbutton on Key Preview Aux Bus Shift or Shift Alt U Third Softbutton on Key Preview Aux Bus Shift or Shift Alt I Fourth Softbutton on Key Pr...

Page 116: ...view Shift F Freeze Preview Shift S Strobe Program Delete Toggle Cut Lock Toggle ToggleKey Down Arrow T bar down one step Up Arrow T bar up one step Insert Toggle Mix Mode Home Toggle FX Mode Ctrl Home or Ctrl F Toggle FX Run Shift Ctrl F Unload All FX Shift Ctrl Alt F Unload Idle FX Ctrl Insert Do Mix Ctrl Alt Insert Do Aux Mix comma Effect Duration quarter second period Effect Duration half seco...

Page 117: ...ggle DSK preview H Toggle DSK2 mode Ctrl H Toggle DSK2 run Shift H Select DSK2 as default Shift Ctrl H Unload All DSK2 Shift Ctrl Alt H Unload Idle DSK2 J Toggle DSK3 mode Ctrl J Toggle DSK3 run Shift J Select DSK3 as default Shift Ctrl J Unload All DSK3 Shift Ctrl Alt J Unload Idle DSK3 K Toggle DSK4 mode Ctrl K Toggle DSK4 run Shift K Select DSK4 as default Shift Ctrl K Unload All DSK4 Shift Ctr...

Page 118: ...Alt E Fast Forward 1 4x Alt R Fast Forward 4x Shift Alt R or Shift X Fast Forward 8x Alt A Rewind 5 frames Alt S Rewind 1 frame Alt D Forward 1 frame Alt F Forward 5 frame Ctrl M Toggle edit guide Alt M Go to next edit guide Shift Alt M Go to previous edit guide Ctrl Alt M Go to next created edit guide Shift Ctrl Alt M Go to previous created edit guide Shift Ctrl M Select edit guide Ctrl A Toggle ...

Page 119: ... Animator Compositor quit Shift Ctrl Alt A Launch Animator Compositor minimize Ctrl Alt C Launch Character Generator quit Shift Ctrl Alt C Launch Character Generator minimize Ctrl Alt E Launch Effects Generator quit Shift Ctrl Alt E Launch Effects Generator minimize Ctrl Backspace Grab Snap a still of the program source Shift 1 Toggle TM1 Loop Mode Shift 2 Toggle TM2 Loop Mode Ctrl Launch Help win...

Page 120: ...116 Appendix I Keyboard Commands ...

Page 121: ...g to stop operating properly When troubleshooting remember that the GlobeCaster software relies on a correctly functioning PC If the PC is not working correctly or does not meet the minimum requirements for a GlobeCaster system then it could affect the GlobeCaster software or VideoNet drivers and cause unpredictable results This section is a troubleshooting guide to problems and possible solutions...

Page 122: ...but I don t see monitors on the VGA screen Click on the Panels button and turn on the check mark next to monitors When I freeze video my framestore is jittering Go into Framestore Settings and select interpolate field 1 or field 2 This will eliminate any jittering from fast motion video ...

Page 123: ...ach input Does GlobeCaster perform strobing effects Yes Strobing is turned on and controlled from the GlobeCaster Switcher interface Strobing intervals are set with the keyboard or mouse by number of fields to hold between 1 and 999 On the optional audio sub system are balanced XLR and unbalanced RCA connectors available Yes Two types of 16 bit automated digital audio mixers are available both wit...

Page 124: ... the hardware power to perform several functions at once independently and in real time Additional processing cards such as the Warp Engine can be added to the GlobeCaster to expand these capabilities even further actually creating effects that no other single system can do in real time regardless of price This is the power of GlobeCaster s wildly flexible architecture ...

Page 125: ...SWITCHER MANUAL INDEX ...

Page 126: ...122 ...

Page 127: ...uttons Auto 49 Auto set 88 90 Aux Mix 48 BLK 39 Border 51 Build Timeline 71 CM 40 Continue 71 Cue 42 70 Cue All 71 Cut 48 Default 44 DSK 47 Fade 49 Fade Mix 48 Flip Vertically 51 Freeze 53 FS 41 FX 47 inputs 1 8 38 Key 54 Key Type 90 Live 53 Lock 71 Loop 41 Mark 71 MAT 39 Mix 47 NC 41 New Clip 72 New TL 72 Out 42 Pause 71 Pick 44 Rec Safety 71 Reversed 51 Revert 43 RGB HSV 44 Save 72 Save Over Ori...

Page 128: ...io Mixer 63 External Alpha setting key type 58 External Command Settings 75 F Fade Button 49 Fade In Value 51 Fade Mix button 48 Fade Out Value 51 Fade To Black button 49 changing duration 15 overview 14 Field 1 2 in Vector Scope 80 Flip Vertically Button 51 Framestores loading and using 103 104 Freeze button 53 controls 53 Freeze framing video bus 53 Freezing and Strobing livevideo 104 105 Freque...

Page 129: ...ttings 55 luma keyer 57 Matte Color Panel 43 mixer preferences 76 monitors 60 Switcher option 73 VTR Transport Sync Roll Live Digitize 23 60 68 Parade 83 Pause Button 71 Pick Button 44 Picons frozen frame 53 frozen frame picon 53 PPM 65 Preview Bus 37 Program Bus 37 Program in Audio Mixer 65 Program in Vector Scope 80 Q Q in Audio Mixer 66 Quick Keys See Keyboard Commands R Rec Safety Button 71 Re...

Page 130: ...5 V Vector Scope 78 75 Gain 80 All Lines 83 Brightness 83 Field 1 2 80 Graticule 83 Number of lines 83 Program 80 Run 80 Start Line 83 Vector Scope Button 80 Video Busses aux bus 38 buttons CM 40 Cue 42 FS 41 inputs 1 8 38 Loop 41 MAT 39 NC 41 Out 42 TM 40 Toggle 42 key bus 38 key preview bus 38 overview 37 preview bus 37 program bus 37 Video Sources Locking Two Together 42 VideoNet Status Checkin...

Page 131: ...ful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be require...

Page 132: ...128 FCC Notice ...

Page 133: ...ANY PURCHASE ORDER DOCUMENTATION THE TERMS OF THIS AGREEMENT SHALL PREVAIL 1 GRANT OF LICENSE 1 1 Subject to the terms and conditions of this Agreement GlobalStreams hereby grants to you and you accept a limited personal nonexclusive nonsublicensable nontransferable except in accordance with Section 11 1 license to use each copy of the software object code provided to you including any updates or ...

Page 134: ...alStreams may be required to collect or pay upon sale use licensing or delivery of the GlobeCaster System shall be paid by you to GlobalStreams upon invoice The GlobeCaster System is shipped FOB GlobalStreams site and all transportation charges related to the shipment of the GlobeCaster System shall be paid by you to GlobalStreams upon invoice 4 SUPPORT AND MAINTENANCE Support and maintenance serv...

Page 135: ...d to as your Media that infringes or violates any Intellectual Property proprietary or contractual right of a third party iv any use of the GlobeCaster System that causes GlobalStreams to violate any agreement GlobalStreams may have with a third party supplier v any defamatory or libelous material or material that discloses private or personal matters concerning any person without such person s co...

Page 136: ...u are a unit or agency of the United States Government U S Government the following provisions apply All Software and accompanying Documentation are deemed to be commercial computer software and commercial computer software documentation respectively pursuant to DFAR Section 227 7202 and FAR Section 12 212 as applicable Any use modification reproduction release performance display or disclosure of...

Page 137: ...r or to take action against the other party in the event of any breach hereunder shall not be deemed a waiver by that party as to subsequent enforcement of rights or subsequent actions in the event of future breaches 11 7 You will comply with the U S Foreign Corrupt Practices Act and all export laws and restrictions and regulations of the Department of Commerce the United States Department of Trea...

Page 138: ...134 GlobeCaster System License Agreement ...

Page 139: ...________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ___________________________________________________________________...

Page 140: ...________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ______________________________________________...

Page 141: ..._____________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ _________________________________________...

Page 142: ...________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ______________________________________________...

Page 143: ...___________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ _____________________________________________________________ ...

Page 144: ...140 Application Notes ...

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