Sony Vegas 6 Manual
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CHP. 16PREVIEWING AND ANALYZING VIDEO 297 5.Hover over a portion of the monitor to display the luma value at the pointer position: Displaying color levels and contrast using the histogram monitor The histogram monitor in the Video Scopes window allows you to monitor color levels and contrast of your video. Use the histogram before rendering your project to find and correct out-of-range values that could cause problems on the destination playback device. The bar graph plots the number of pixels that exist for each color intensity. For example, when using the Blue setting, the vertical axis represents the number of pixels, and the horizontal axis represents the RGB color range from 0,0,0 to 0,0,255. To get acquainted with the histogram, use an external monitor to preview your video and watch the video output and histogram as you use plug-ins to modify the colors. 1.From the View menu, choose Video Scopes to toggle the display of the Video Scopes window. 2.Choose Histogram from the drop-down list. 3.Choose a histogram type from the menu: Luminance: charts the luminance or brightness of colors in your video. Red: charts the red tones in your video. Green: charts the green tones in your video. Blue: charts the blue tones in your video. Alpha: charts the alpha channel (transparency) in your video. Luminance/R/G/B: stacks luminance and RGB charts. 4.Position the cursor in the frame you want to analyze. If the Update Scopes While Playing button () is selected, you can monitor your video during playback. 5.Use the histogram to evaluate the colors in your video. The Mean value indicates the average intensity of all pixels in the graph, and the Standard Deviation value indicates the average percentage by which pixels in the graph vary from the Mean value. Luma value

298 PREVIEWING AND ANALYZING VIDEOCHP. 16 6.Use plug-ins such as Brightness and Contrast, Broadcast Colors, and Levels to adjust the color. For more information, see Using video effects on page 241. Displaying RGB components with RGB parade monitor The RGB parade monitor in the Video Scopes window displays waveforms for the red, green, and blue components of your video signal. The monitor plots RGB values from 0-255 on the vertical axis and three times on the horizontal axis. The parade monitor helps you determine whether the individual RGB components of your video signal are within limits and whether the total video signal is clipping. 1.From the View menu, choose Video Scopes to toggle the display of the Video Scopes window. 2.Choose RGB Parade from the drop-down list. 3.Position the cursor in the frame you want to analyze. If the Update Scopes While Playing button () is selected, you can monitor your video during playback. 4.The waveform monitor displays the RGB values of the video signal. Hover over the monitor to display the RGB value at the pointer position: FrameHistogram display of frame Mean and standard deviation hues Graph RGB value

CHP. 16PREVIEWING AND ANALYZING VIDEO 299 Adjusting video scope settings Click the Settings button () in the Video Scopes window to set your display options. These options adjust the display of data in the Video Scopes window and have no effect on your data. 7. 5 I R E s e t u p If your video hardware will add a 7.5 IRE setup, you can configure the Video Scopes window so the display will be consistent with an external scope connected to a device that adds 7.5 IRE setup. NTSC video in the United States adds 7.5 IRE setup to convert black to 7.5 IRE. Consumer video hardware typically does not add 7.5 IRE setup, and most professional hardware allows you to turn 7.5 IRE setup on or off. PAL video and NTSC video in Japan do not add setup. Refer to your video hardware documentation to determine whether your hardware adds 7.5 IRE setup. 1.Click the Settings button () in the Video Scopes window. 2.Select the 7. 5 I R E Setup check box in the Video Scopes Settings dialog. Black will be displayed as 7.5 in the waveform monitor. If your video hardware does not add 7.5 setup, clear the check box. Studio RGB display RGB values on your computer can range from 0 to 255. Studio RGB values range from 16 to 235. If you want to limit the display of the Video Scopes window to studio RGB standards, perform the following steps: 1.Click the Settings button () in the Video Scopes window. 2.Select the Studio RGB (16 to 235) check box in the Video Scopes Settings dialog. Whether you need to use the Studio RGB (16 to 235) setting depends on the codec you will use to render your video before printing to tape. Suggested settings follow. Refer to the codec’s documentation to determine whether the Studio RGB (16 to 235) check box should be selected. If the Use Microsoft DV codec check box is selected on the General tab of the Preferences dialog, the Microsoft DV codec will be used. If the Ignore third-party DV codecs check box is selected and the Use Microsoft DV codec check box is cleared on the General tab of the Preferences dialog, the Sony Media Software DV codec will be used. You can render using a third-party DV codec by choosing a specific codec from the Video format drop-down list on the Video tab of the Custom Template dialog. CodecStudio RGB Setting Sony DVOn Microsoft® DVOff Matrox® DVOff MainConcept™ DVOff Canopus®On Apple® QuickTime™ DVOff

300 PREVIEWING AND ANALYZING VIDEOCHP. 16 Previewing in a player You can create a full-quality preview that automatically plays in the appropriate media player. You can preview the entire project or select a portion. 1.To preview a portion of the project, create a selection containing the portion you want to preview. 2.From the Tools menu, choose Preview in Player. 3.Select the type of preview file to create. Select a template or click Custom to configure any compression options. 4.To preview just a portion of the project, verify that Render loop region only is selected. To create a preview of the entire project, clear this check box. 5.Click OK. A progress bar displays the progress of the render. When finished, the file automatically plays in the appropriate media player. Using an external monitor You can feed video directly from the timeline to a television monitor or secondary Windows display. With this feature, you can free up valuable space in the Vegas window by viewing a full-screen preview of your project on a different display, or you can make your final editing decisions on a broadcast monitor (which differs significantly from a computer monitor) before printing the project to tape. This feature supports video output only; audio is not output to the external monitor. Note: If you intend to deliver your project in an interlaced format, previewing on a computer monitor is not a substitute for previewing on an interlaced broadcast monitor. Note: Vegas software allows you to use one external video device at a time. The external monitor display will be unavailable during video capture. Configuring an external monitor Prior to previewing on an external monitor, you’ll need to configure your system to use this feature. From the Options menu, choose Preferences and then click the Preview Device tab to configure an external monitor. Your video will be sent to this device when you click the Preview on External Monitor button () in the Video Preview window. For more information, see Setting preferences on page 336.

CHP. 16PREVIEWING AND ANALYZING VIDEO 301 Previewing video on a secondary Windows display This feature is available only in the full version of Vegas software. If your Windows desktop is extended across multiple displays, you can one of those displays to preview the timeline with no A/V synchronization drift—for ADR and foley work. If you intend to deliver your project in an interlaced format, previewing on a computer monitor is not a substitute for previewing on an interlaced broadcast monitor. To use a Windows display as a monitor, you must have the following: A multiple-output graphics card that supports 3D acceleration (or multiple graphics cards: you could install AGP and PCI video cards in your system, for example) A CRT, LCD, or projector connected to your computer’s secondary video output The Extend my Windows desktop onto this monitor check box must be selected on the Settings tab or the Display Properties dialog (Start > Settings > Control Panel > Display) Note: Vegas software allows you to use one external video device at a time. The external monitor display will be unavailable during video capture. Follow the steps below to set up your preview: 1.Use the Preview Device tab in the Preferences dialog to configure the display you want to use as a video preview monitor. 2.Select the Preview on External Monitor button () in the Video Preview window. When playback is stopped, the secondary display will match the display of the Video Preview window. When you start playback, the Video Preview window will be blank, and the video is played on the secondary display. Viewing on a broadcast monitor via IEEE-1394 (FireWire) To use an external monitor, you must have the following: OHCI-compliant IEEE-1394 DV card DV camcorder or DV-to-analog converter box Note: Vegas software allows you to use one external video device at a time. The external monitor display will be unavailable during video capture. While configuring your computer for DV external monitor previewing is not difficult, the setup may require some troubleshooting. The Vegas forum is a good resource for peer-to-peer system troubleshooting: http://mediasoftware.sonypictures.com/forums

302 PREVIEWING AND ANALYZING VIDEOCHP. 16 Setting up an external monitor The diagram below shows the preferred setup for sending video from the timeline to an external television monitor. The video is converted to DV format and is sent through the IEEE-1394 card to the DV device (camcorder or DV-to-analog media converter). The DV device sends analog output to the television monitor. Use the Preview Device tab in the Preferences dialog to configure your IEEE-1394 card. Note: The DV device must support pass-through in order to use an external monitor. Some PAL camcorders do not support this feature. Previewing audio External monitor previewing differs in one respect from printing to tape from the timeline: no audio is sent through the preview device. As shown in the illustration above, the audio is routed to the sound card and then on to the mixer (if present) and speakers. This allows you to mix your audio on better speakers than are typically found in television monitors. Before printing to tape, you may wish to preview the audio through the television monitor speakers to ensure a good TV mix. You can use the print-to-tape feature to send the full video and audio to the external monitor. Follow the steps for printing to tape from the timeline (pg. 323) but do not set the camcorder to record. Both the video and audio are sent through the 1394 card to the external monitor. Optimizing preview quality Keep in mind that complex effects and/or transitions may not play back in real time from the timeline. What effects can and cannot be played back depends on the speed of your computer. You may want to prerender more complex portions of a project. For more information, see Prerendering video on page 289. Note: The compression settings used to create the prerendered video must be identical to your captured files for timeline playback to work. Computer Sound card Speakers Video to camcorderAnalog to Audio to Television monitorspeakerstelevision 1394 cardCamcorder or Media converter

CHP. 16PREVIEWING AND ANALYZING VIDEO 303 Viewing on an external monitor via DeckLink This feature is available only in the full version of Vegas software. You can send video directly from the timeline to a video monitor connected to a Blackmagic Design DeckLink™ card. Your system must conform to all DeckLink system requirements to use the card with Vegas software. For more information about DeckLink system requirements and for DeckLink support information, please refer to the Blackmagic Design Web site. Note: Vegas software allows you to use one external video device at a time. The external monitor display will be unavailable during video capture. 1.Use the Preview Device tab in the Preferences dialog to configure your DeckLink card. 2.Select the Preview on External Monitor button () in the Video Preview window. When playback is stopped, the external monitor will match the display of the Video Preview window. When you start playback, the Video Preview window will be blank, and the video is played on the external monitor.

17 CHP. 17SAVING, RENDERING, AND PRINTING PROJECTS CHAPTER305 Saving, Rendering, and Printing Projects Vegas® software allows you to save and render projects into many different multimedia formats. When you render your Vegas project, the project itself is not altered, but rather can be rendered in any number of different formats. This chapter explains saving a project and using the Save As and Render As functions. In addition, you will find reference information for the rendering options available. This chapter also describes the different options for delivering your projects, such as printing to tape, burning a Video CD, or burning a multimedia CD. Saving a project A Vegas project is saved as a small VEG file. This file contains all of the information needed to recreate your project: source file locations, trimming, track and bus plug-ins, volume and panning envelopes, bus assignments, assignable effects settings, etc. This is not the same as creating a final media file, which is done with the Render As command. Note: The option is also provided of saving a project as an Edit Decision List (EDL). For more information, see Creating an EDL on page 233. 1.Click the Save button (). The first time a project is saved, the Save As dialog appears. In subsequent saves, the Save As dialog is bypassed, your existing file name is retained, and your project is updated to include any changes. 2.Select Vegas Project File (.veg) from the Save as type list (default). 3.Select the drive and folder where you want to store the project. 4.Type the project name in the File name box. 5.Click Save. 17

306 SAVING, RENDERING, AND PRINTING PROJECTSCHP. 17 Creating a copy of a project (using Save As...) After you have been working with your project, you can use the Save As command in the File menu to create a copy of the small project file with a different name. Since multimedia projects can be very complex, and since Vegas project files are so small, saving a number of different versions of a project is a low-risk way to try new techniques. 1.From the File menu, choose Save As. The Save As dialog appears. 2.Select the drive and folder where you want to store the project. 3.Type a new name in the File name box. 4.Click the Save button on the Save As dialog. Saving a project with media The option of saving both the project file (VEG) and the media files to a common location is also provided. You can choose to save all media files along with the project file or allow Vegas software to consolidate and trim the media for you. With this second option, media storage is optimized by saving only those portions of files that are used in the project and by eliminating unused takes. Note: Peak files (.sfk) and audio proxy files (.sfap0) are not saved with the project when Copy and trim media with project is selected. Because these files can regenerate as needed, they do not need to be archived. For more information, see Peak File (.sfk) on page 383 or Audio proxy files (.sfap0) on page 371. 1.From the File menu, choose Save As. The Save As dialog appears. 2.Select the drive and folder where you want to store the project. 3.Type the project name in the File name box. 4.Select the Copy and trim media with project check box. 5.Click Save. The Copy Media Options dialog appears. 6.Select the appropriate option: Select the Copy all media radio button to copy all media files to the same location as the Vegas project file. Select the Create trimmed copies of source media radio button to optimize media storage by saving only those portions of media files used in events and discarding unused takes. Audio files are saved as Wave format if under 2 GB (as Wave64 if over 2 GB) and DV video is saved as AVI. Non-DV video files are copied in full. Enter an Extra head and tail (seconds) value to indicate how much time should be included before and after the trimmed media. For example, if the project contains a 2-minute media file, but the event on the timeline for that file lasts only from 1:00 to 1:20, you could enter 5 seconds in the Extra Head and Tail box to have the media file saved from 0:55 to 1:25 (5 seconds added to the head and tail of the event). Including this extra material allows space for future edits. 7.Click OK. The project file is saved and the related media files to the location you specified.