Part 5: Mastering Digital Media in Visual C#.NET

Create QR Code in Visual C#.NET Part 5: Mastering Digital Media

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QR Code Creator In Visual C#.NET
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Scanning QR Code 2d Barcode In Visual C#.NET
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Part 5: Mastering Digital Media
Barcode Generator In Visual C#.NET
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Recognize Barcode In C#
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Microsoft Windows XP Inside Out, Second Edition The second option, Digital Device Format (DV-AVI), is the gold standard for quality. The least compressed format uses disk space at the rate of 178 MB per minute. Use this setting if plan to render your movie back onto digital videotape. The drop-down list that becomes available if you click the third option, Other Settings, presents all the available choices, including the two just described. Those choices are enumerated in Table 22-1. As you review the options, note that higher bit rates (rates of data transfer) generate smoother playback but can be a prime decision factor for video that will be accessed from an Internet site.
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Table 22-1.
QR Creation In VB.NET
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Video Capture Options
Bar Code Creation In Visual C#
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File Type
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WMV WMV WMV WMV WMV WMV WMV WMV WMV WMV WMV WMV WMV
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Setting
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Video for Pocket PC (218 Kbps) Video for Pocket PC (143 Kbps) Video for Pocket PC (Full screen 218 Kbps) High-quality video (large) High-quality video (small)
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22
Creating Bar Code In Java
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Bit Rate
218.2 K 143 K 218 K Variable Variable 2.1 M 1.5 M 1M 768 K 512 K 340 K 150 K 48 K
Display Size 208 160
208 160 320 240 640 480 320 240 640 480 640 480 640 480 640 480 320 240 320 240 320 240 160 120
Frames per Second
20 8 15 30 30 30 30 30 30 30 30 15 15
Estimated File Size per Minute
1 MB 1 MB 1 MB Varies Varies 14 MB 10 MB 7 MB 5 MB 3 MB 2 MB 1 MB 351 KB
Video for local playback (2.1 Mbps) Video for local playback (1.5 Mbps) Video for LAN (1.0 Mbps) Video for LAN (768 Kbps) Video for broadband (512 Kbps) Video for broadband (340 Kbps) Video for broadband (150 Kpbs) Video for ISDN (48 Kbps)
Part 5: Mastering Digital Media
Using Windows Movie Maker
Table 22-1.
Video Capture Options
File Type
WMV AVI WMV WMV
Setting
Video for dial-up access (38 Kbps) DV-AVI (NTSC) High-quality video (NTSC) Video for Pocket PC 2003 (348 Kbps at 24 fps) Video for Pocket PC 2003 (348 Kbps at 30 fps) Video for Smartphone 2002 (182 Kbps) Video for Smartphone 2003 (182 Kbps)
Bit Rate
38 K 25 M Variable 348 K
Display Size 160 120
720 480 720 480 320 240
Frames per Second
15 30 30 24
Estimated File Size per Minute
278 KB 178 MB Varies 2 MB
348 K
320 240
2 MB
WMV WMV
182 K 182 K
160 120 160 120
15 15
1 MB 1 MB
If you re capturing from a digital device connected via IEEE 1394, after you make your video settings decision and click Next, you ll see the Capture Method screen:
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An IEEE 1394 interface can send playback signals to most digital cameras, so if you want to capture the entire tape, simply select the first option, Capture The Entire Tape Automatically. The wizard will rewind your tape (if necessary) and begin the capture process. If you d rather
Part 5: Mastering Digital Media
Microsoft Windows XP Inside Out, Second Edition operate the controls yourself, select the second option. After clicking Next, you will see the Capture Video screen:
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You can use the Preview window and the DV Camera Controls to position your tape appropriately, then use the Start Capture and Stop Capture buttons to begin and end the capture process. Note that you can capture several different sections of a tape this way. Windows Movie Maker will save them all in a single file. If you re capturing from an analog device, you ll need to operate the camera s playback controls directly. Position your tape slightly ahead of the first frame you want to capture, then click Start Capture and press your camera s Start control. Click Stop Capture and press the camera s Stop control to finish. The capture process will take as long as the recording that you re capturing. There s no way to speed this along. To reduce the likelihood that your computer might drop frames during the capture, it s best to keep it otherwise idle. If you need to capture an hour s worth of tape, do so at a time when you don t need to be downloading e-mail, crunching numbers, or playing Spider Solitaire.
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Previewing During the Capture
One of the last options presented by the Video Capture Wizard before it begins collecting data from your camera, Show Preview During Capture, is selected by default and lets you see and hear the contents of your tape as they re being captured. If you do find that you re losing frames during the capture process, try again with this check box cleared. Unless you re capturing footage from a VHS player that s not also connected to a television, you ll still be able to preview the capture on your camera s playback screen.
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