ViewCast Osprey PCI, Руководство пользователя

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Osprey PCI User Guide
ViewCast 15
The Input tab has the following controls.
Video Input This control allows you to choose your video signal source.
Video Present This indicator shows if the video source is present.
Video Standard The Video Standard control allows you to select a standard used in specific
countries or geographical areas.
Input Format This control lets you select the input format. On the Osprey 2X0, 300, and 440
analog cards, and for the Osprey 530/540/560 when an analog input
(composite or S-Video) is selected, the controls provide adjustments.
VideoCheck Opens simple video monitoring window so you can see the immediate effect of
changes to your settings.
VideoGraph Launches a vectorscope/lumascope utility
VbiGraph Opens an applet that displays the raw waveforms of the video’s Vertical
Blanking Interval (VBI).
Video Input
Figure 8 illustrates the input formats available for the Osprey 230.
Figure 8. Video inputs available with Osprey 230
Composite video is the format of analog streaming signals before it is combined with a sound signal
and modulated onto an RF carrier.
Composite video is often designated by the CVBS acronym, meaning: Color, Video, Blank and Sync,
Composite Video Baseband Signal, Composite Video Burst Signal, or Composite Video with Burst and
Sync.
Separate video, abbreviated SVideo and also known as Y/C is an analog video signal that carries the
video data as two separate signals. They include luma (~brightness) and chroma (~color).
The Osprey 5X0 series has the following video inputs:

Composite

SVideo

SDI

DV (1394) (only available on the Osprey 540 and Osprey 560 cards)