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WHAT THIS FILE CONTAINS
This file helps you start to work with DVP and DVP Capture right away by providing a quick overview of how to capture a video file or still image. To search this file for the topic you want, use the Find command on the Search menu to locate:
* Capturing, compressing, and building a video file
* Capturing a still image
* Using the DVP Help system
The procedures in this file are intended to help you get started. They do not offer detailed explanations of why you choose certain options, or what to choose to create video files and still images with different characteristics. For detailed explanations of the options you're choosing, refer to these sections of the DVP online Help system: DVP Capture and Overview of Creating a Video.
This procedure describes how to capture a video clip, import it into DVP, and build a compressed .AVI file that you can use in online presentations and other computer-based materials. The video file you will create has the characteristics listed below. You will need approximately 25 megabytes (MB) of free hard disk space to capture the video file.
Frame size: 160 pixels x 120 pixels
Color (bit depth): 24 bit
Frame rate: 15 frames per second
Number of seconds: 30 seconds
Audio sampling values: 8 bit, 11.025kHz, mono
NOTE:
Be sure your video source (VCR, video camera, and so on) is properly connected to your computer before you start the video capture. If you choose Overlay Mode from the Options menu in DVP Capture, you can verify the connection and look at your video both before and during the capture.
TO CAPTURE, COMPRESS, AND BUILD A VIDEO FILE:
1. Start DVP, then choose Video Capture from the Tools menu.
2. Choose Set Capture File from the File menu.
3. Enter a name for your capture file (such as CAPTURE.AVI), specify the directory in which to save the file, and then click OK.
4. Choose Allocate File Space from the File menu, enter 25MB as the amount of hard disk space to set aside for your capture file, and click OK.
For more information on calculating the hard disk space you need, see the note at the end of this procedure.
5. Choose Audio Format from the Options menu. Choose these sound options: 8 bit, 11kHz, Mono. Then click OK.
6. Choose Video Format from the Options menu. Then choose 160 x 120 for the frame size, and click OK.
If your video capture card supports 8-bit and 16-bit video capture, you can also specify a different bit depth for the video you're capturing. In addition, you may be able to specify the level of quality you want for the video capture in this dialog box.
7. Choose Video Source from the Options menu. Choose the type of video connector your video source uses, and, if necessary, the type of video signal it produces. Then click OK.
Two common types of video connectors are Composite and S-Video. As a rule, equipment sold in Japan and North America produces the NTSC video signal, while equipment sold in Europe and some other parts of the world produces the PAL signal.
8. Choose Settings from the Capture menu, specify the options below, and click OK.
Frame Rate: 15 frames per second
Enable Capture Time Limit: 30 seconds
Capture Storage: Capture To Disk
End Capture Using: Escape Key
You should also check Capture Audio.
9. To start the video capture, choose Video from the Capture menu, or click the Video button (second from the right).
DVP Capture saves the file with the name you specified in Step 3. You can then save the file to a new name by choosing Save Captured File As from the File menu.
10. Choose Exit from the File menu to close DVP Capture and return to DVP.
DVP automatically imports the video file you just captured and displays it in the Media Window.
11. Drag your video clip from the Media Window onto the tick bar (directly above the Video A track on the timeline).
Dragging a clip onto the tick bar is an efficient way to lay out your clip because the video and audio information in the file appears automatically on both the Video A and Audio A tracks. You can also lay out a video clip on the timeline by dragging it first from the Media Window to a video track and then from the Media Window to an audio track.
12. Choose Compression from the Video menu to specify the compression/decompression (CODEC) routine you want to use. Then choose Intel Indeo(TM) Video R3.2 for Compressor, accept the default values for Key Frame Every and Data Rate, and click OK.
13. Choose Build from the Video menu, or click the Build button (sixth from the top on the toolbar). Enter the name and location of your final .AVI file (making sure to keep the .AVI extension), then click Build.
The Build Progress dialog box opens, so you can look at the percentage complete bar and the preview window to track the progress of the build. Building a video can take anywhere from a few minutes to several hours, depending on its length and complexity and on the type of compressor you choose.
NOTE:
You can easily calculate the amount of hard disk space you need to capture a video clip using the following formula:
Frame size in pixels x Color depth in bytes x Frame rate x Number of seconds = Video in bytes
Sampling size in bytes x Sampling rate x Number of channels x Number of seconds = Audio in bytes
Video in bytes + Audio in bytes = Amount of hard disk space in bytes
For example, we calculated the space you need to capture the file described at the beginning of this procedure as follows:
(160 x 120 pixels/frame) (3 bytes/pixel) (15 frames/second) (30 seconds) = 25,920,000 bytes of video
If, when you follow the procedure, you want to substitute different parameters (larger or smaller frame size, frame rate, bit depth, or number of seconds captured), you can adjust how much hard disk space to allocate. Simply substitute the new parameters you want in the calculation above.
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CAPTURING A STILL IMAGE
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This procedure describes how to capture a still image that has the characteristics described below.
Frame size: 320 pixels x 240 pixels
Color (bit depth): 24 bit
NOTE:
Be sure your video source (VCR, video camera, and so on) is properly connected to your computer before you capture the still image. If you choose Overlay Mode from the Options menu in DVP Capture, you can verify the connection and look at your still image before you capture it.
TO CAPTURE A STILL IMAGE:
1. Start DVP, then choose Video Capture from the Tools menu.
2. Choose Video Format from the Options menu. Then choose 320 x 240 for the frame size, and click OK.
If your video capture card supports 8-bit and 16-bit video capture, you can also specify a different bit depth for the video you're capturing. As a rule, the color depth of your image should match the color depth of the device that will display it--so you would display an 8-bit image on an 8-bit display device and a 24-bit image on a 24-bit display device. However, 24-bit images also look good on 16-bit displays (though they tend to display a little more slowly than on 24-bit displays).
3. Choose Video Source from the Options menu. Choose the type of video connector your video source uses, and, if necessary, the type of video signal it produces. Then click OK.
Two common types of video connectors are Composite and S-Video. As a rule, equipment sold in Japan and North America produces the NTSC vide
