Time Base Corrector, Dual TBC Mode | FOCUS Enhancements MX-4DV

APPENDIX B

TIME BASE CORRECTOR

The MX-4 DV contains a Time Base Corrector (TBC) that ensures top quality results in your productions. The TBC operates automatically at all times. You don’t have to do anything special to use the feature.

TBC compensates for image “shifting” and “wavering” that occurs with many VCR’s, cam- corders, and other video devices. It modifies the video signal so that all elements in the pic- ture — lines, fields, frames, and individual dots (or, pixels) — appear on the OUTPUT screen exactly where they should. This improves video signal quality significantly.

DUAL TBC MODE

You can use the MX-4 DV TBC as a dedicated, two-channel device to induce time base cor- rection on two separate channels. Set up your equipment as follows:

1Set up the video devices normally — that is, make one the CURRENT source and make another the NEXT source.

2Press DISPLAY so that the Preview screen shows the NEXT source. (See “Display” beginning on page 69 for instructions.)

The CURRENT source appears on the Output monitor. So the two sources each appear on separate monitors, and both have the benefit of time base correction.

While operating in Dual TBC Mode, the MX-4 DV can perform cut transitions as it nor- mally does. Use the CUT buttons to change the CURRENT source — the one displayed on the Output screen. Use the NEXT buttons to choose the NEXT source — which appears on the Preview screen.

VERTICAL INTERVAL DATA

Time code, closed captioning, and other data in the vertical interval should be added after mixing (downstream from the MX-4 DV). This is necessary because dissolves and other transitions mix the data signals, making them unreadable. The MX-4 DV might remove ver- tical interval data from the sources, depending on how data has been added and the accuracy of a source’s time base.

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FOCUS Enhancements MX-4DV manual Time Base Corrector, Dual TBC Mode, Vertical Interval Data

Contents

Page Disclaimer N T E N T S Glossary Index Contents Introduction Major Features Introduction Common Uses for MX-4 DV MX-4 DV MX-4 DV Package Contents Introduction About this User Guide Technical Specifications MX-4 DV User Guide Quick Start Quick Start Steps Setting Up Preview Screen Press any key to stop the demo at any time Running the Demo Cutting Between Sources Setting up a TransitionBorders and Solid Color Backgrounds To change the color, press BG Color Running Transitions Using CUT Transitions Other Features Using Transition CategoriesChoosing Transitions MX-4 DV User Guide Installing the MX-4 DV Preview and Program Monitors Sources and Output Program Monitor Preview MonitorNumber of Monitors Understanding MX-4 DV Connectors MX-4 DV Rear Panel To connect the power cord and transformer Power ConnectorCables and Adapters Microphones Good BAD Correlating Input Sources to MX-4 DV Jacks Installation Examples VCR Selector Switches Using HeadphonesGeneral Notes Post Production Configuration Preview Monitor Live Broadcast Configuration Preview Monitor To connect a microphone Using a Microphone with MX-4 DV Basic Operations Understanding the Keyboard Starting and Stopping the MX-4 DV MX-4 DV Keyboard MX-4 DV User Guide Changing the Display Configuration Using the Preview Screen Active Source Highlights Input Source Previews Transitions Menu Color SelectorSelected Transition To identify the Current and Next sources Using Current and Next Sources Selecting Sources Using the VIDEO/AUDIO Selector Simple Cuts Swapping SourcesSwapping Between Two Sources To do this type of mixing Default Colors and Numbers To switch sources using this methodWorking with Colors Identifying Colors Using Color BackgroundsChanging Colors and Styles To make the selection Creating Custom Colors Using BordersTo create a custom color To change a border style setting Border Styles DefaultsChanging Border Styles To specify border color Move shadow down Keys for Changing Border AttributesPage Transitions To run a transition Basic Transition Concepts At this point, you can do one of the following Transition Category Buttons Transition Categories and Menus Edges Transitions Category Basic Transitions CategoryMisc. Transitions Category Shapes Transitions Category Changing User Transitions Menu To restore the default set of transition to the User menuTo change a transition in the User menu Setting the Next Source Setting the Current SourceSelecting Transition Sources Selecting Transitions Using the Transitions MenuTo select a transition from the Transitions Menu To select a transition using transition numbers Using Transition Numbers Changing Transition Speed Adjusting TransitionsChanging Transition Direction To change the transition’s speed To reverse a transition To invoke the Auto-Reverse feature Running Transitions Automatically Running TransitionsRunning Transitions Manually To run a transition automatically at a predetermined speed Input Effects Input Effects Menu Main Mode Input Effects Key Combinations Input Effects Mode Key CombinationsSpecial Key Combinations To apply a parameter value Using Input Effects Flip Horizontal PosterizeParameter Values Zero or one Color Correct MosaicColor NEG To use Color Correct Chromakey Video AdjustmentFlip Vertical StrobePage Functions Demo To run the demo in Locked modeRunning a Locked Demo To run the demo Display Two Channel SHIFT+2 Setup Menu Navigation Keys Setup Audio Mode GPI Out ModeDual Monitor Mode Force Field Freeze Route Configuring the MX-4 DV To change the routing Changing the Routing Example Changing the Routing To route audio through the Color or Background Channels Routing Audio Through Color or Background Channels Background Graphics Menu Solid Color Gradients Backgrounds Sub-Route MenusMenus Learn Audio MIX ComposeFreeze Field and Frame Freezes Freeze Examples Major Freeze FunctionsTo use Freeze with Single Source Editing To create a still montage MX-4 DV User Guide Pips Background Tile Single PIPForeground Tile To create and apply a single PIP Position Manipulating PIPs Tiles Manipulating PIPs Mask Using Other Effects with Single PIPs To create a multi-PIP image such as the one shown above Multi-PIP Screen Configurations To use the Freeze effect with Multi-PIPs Using Freeze Effect with Multi-PIPs Compose Backgrounds Basic Composition Steps Manipulating Tiles Foreground Tiles Sizing Tiles Composition Rules To create a composition Creating a Composed Image Playing the Composition Exiting from Compose ModeTo play a composition on the output device Chromakey Preparing the Background Footage Preparing the Chromakey Footage Preparing the Keyed FootageTo prepare the chromakey footage Chroma Key Cursor Performing the Chroma KEY Fine-Tuning Key ColorsEnding Chroma Key Page Create a Learned Environment Learn Mode 102 Learned Environments 103 Learned ScriptsTo create a Learned Environment Learn mode involves the following steps Using Learn Mode104 Aborting a Playback Session Other Useful Information105 Page Working with Audio Ways YOU can Control Audio Audio Devices YOU can USEControlling Audio Transitions 108 Selecting Audio Sources Ways to USE Audio109 Audio Accompanies Video Continuous Audio 110To use continuous audio 111 Using the Audio Mixer Adjusting Audio Levels Using Background Audio112 Audio Mixer Controls Using the Analog Audio Adjustments Function Using HeadphonesAdvanced Audio Steps 113 To adjust the audio delay for your analog sources Selecting Audio Delay114 Selecting Manual Levels Advanced Operations Using Color Bars Using Titles116 To display the built-in color bars 117 Performing Roll EditsCutting Between Scenes Roll Edits Transitions to and from Solid Colors 118To run this type of transition Security Monitoring Operating in Live Environments119 Transitions to Modified Sources 120 Using a GPI Device 121 Instructions for Building a GPI TriggerParts Required Using a GPI Trigger Device Resetting the MX-4 DV Factory DefaultsTo reset the MX-4 DV to its factory defaults 122 123 Connecting with EthernetTo connect to a network Static IP 124 IP Setup for a Computer or LaptopSelect Local Area Connection and click Properties 125 126 127 128 To connect to a network Dynamic IP 129 Transferring Files to or from the MX-4 DV 130 131 Updating System Software Information About FTP Clients 132 133 134 Transitions List 136 Basic Transitions Basic Transitions 137 Descriptions of Basic Transitions 138 139 140 BRC 141 BLC 142 143 Edge Transitions 144 Misc. Transitions 145 Shape Transitions 146 147 148 149 150 Horizontal Compress A/Wipe B 151Horizontal Compress a to L edge Expand B from edge Page Time Base Corrector Dual TBC ModeVertical Interval Data 154 TBC Technical Information Preview Image Quality Video Quality Freeze Quality Video Scaling ArtifactsVideo Processing Artifacts 156 MX-4 DV Technical Specifications Technical Specifications Effects 158 Help for Mxpro DV Users MX-4 DV Defaults to Y/C on All 4-ChannelsTransitions Organized Differently 160 Betacam RollCamcorder Composite Video Time Code VideoVideo Editing D E Index Strobe