Sony Vegas 6 Manual
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A APPENDIX ATROUBLESHOOTING APPENDIX 367 Troubleshooting Troubleshooting resources Visit the Sony Media Software Web site to access product updates, look for answers in the knowledge base, contact customer support, or participate in an online forum: http://www.sonymediasoftware.com Common questions Why are some of my DirectX plug-ins not working correctly? Vegas® software is a nondestructive time-based editor. As a result, there are certain types of DirectX® plug- ins that perform poorly in Vegas...
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368 TROUBLESHOOTINGAPPENDIX A RAM usage You could be gapping because virtual memory is being used. Virtual memory is a method used by Microsoft Windows to write information to your hard drive to make room in physical RAM. This process uses a lot of your computer’s resources. Try the following to optimize RAM usage: Exit all background applications not in use. Adjust the playback buffering slider on the Audio tab in the Preferences dialog. Adjust this slider as low as possible. However, be aware...
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APPENDIX ATROUBLESHOOTING 369 Why can’t I work with footage captured using an MJPEG card? Vegas software requires that you have the MJPEG codec (for the MJPEG card used to capture the video) installed locally on your workstation. Check to make sure that the appropriate MJPEG codec is installed on your PC. Trouble-free video: software solutions There are literally dozens of possible configurations of hardware for editing video on a PC. While it is impossible to go into detail for each and every system,...
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370 TROUBLESHOOTINGAPPENDIX A Hard disk The second most common problem is slow hard disks. Until recently, fast, expensive SCSI AV hard disks were required to properly capture and play back video on a PC. Slow hard disk problems also manifest themselves with jerky video playback, although the stutters are less frequent and of longer duration than if the video subsystem is the problem. Slower hard disks (e.g., 5400 RPM IDE) can cause an occasional dropped frame. DV enthusiasts have fewer problems due...
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APPENDIX ATROUBLESHOOTING 371 Audio proxy files (.sfap0) Working with certain types of media files with particular audio compression schemes can be inefficient and slow. To compensate for this, Vegas software creates audio proxy files for formats that are known to dramatically impact performance. There are two cases where this occurs. Multimedia video files often contain both video and audio information. In certain formats, these two streams can be packed together in such a way as to make editing slow...
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372 TROUBLESHOOTINGAPPENDIX A The next illustration shows the effects of incorrectly interlacing a frame of video. In this case, F2 from frame one is combined with F1 from frame two. Remember that there is nothing inherently right or wrong with a field order of F2/F1; it just happens to be wrong in this case. At a minimum, this can create slightly blurry or hazy video. In most situations, the video is jumpy or jittery and is unwatchable. Interlacing problems can be especially noticeable when two...
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APPENDIX ATROUBLESHOOTING 373 In the application, you can select the field order of a project by choosing Properties from the File menu and clicking the Video tab. The pre-configured templates should work for almost everyone (e.g., if you are editing and outputting DV video in the US, select the NTSC DV template). If you have problems, you can manually select a different field order on the Video tab. You can also override the project settings and set the field order when you render a video file....
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374 TROUBLESHOOTINGAPPENDIX A SMPTE Drop Frame (29.97 fps, Video) SMPTE Drop Frame timecode runs at 29.97 fps, and matches the frame rate used by NTSC television systems (North America, Japan). Use SMPTE Drop Frame format for NTSC DV/D1 projects. Both SMPTE Drop and SMPTE Non-Drop run at 29.97 fps. In both formats, the actual frames are not discarded, but they are numbered differently. SMPTE Drop removes certain frame numbers from the counting system to keep the SMPTE clock from drifting from real...
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APPENDIX ATROUBLESHOOTING 375 Source media timecode format Right-click an event, choose Properties, and click the Media tab to view these properties. By default, Use timecode in file is selected. Note: You can override these settings by choosing different settings on the Video tab of the Preferences dialog. Select Timecode from the Source frame numbering list to allow event-level specification. Render media file format The timecode of a final rendered media file is determined by the specified...
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