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video frame averager, video frame grabber, video freeze frame
model 448S
The Model 448S Video Frame Averager, Video Freeze Frame or Video Frame Grabber creates a freeze frame picture image, upon request, representing the average of a selected number of subsequent frames. This function is most commonly used to reduce dynamic noise, such as "snow", in a scene where there is relatively little or no motion.
In its "live" mode, the input signal will pass to the output. When the Frame Averager is flipped to its "average" mode and its "start" button is pressed, it will capture a selected number of subsequent frames or fields of video from the input and provide their average value at its output continually until it is given a command to average a new series of frames. The number of frames is selectable in powers of 2 by a series of four switches on the unit's front panel. In "Frame" Mode, resolution is 720H X 480V pixels at 29.97 frames per second. In "Field" Mode, resolution is 720H x 240V pixels at 59.94 fields per second. Video inputs to the Video Frame Averager from analog tape must be time base corrected.
features
All Units: Video Frame Averager, Video Frame Grabber, Video Freeze Frame
Average over 1, 2, 4, 5, 16, 32... to 32768 frames
Display Frozen Average or Live Video
Select Frame or Field Resolution
16-bit (65536 shades) Grayscale
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Model 448S: Video Frame Averager, Video Freeze Frame, Video Frame Grabber
Desktop Style ABS Chassis
5 VDC Power (120 VAC Adapter Included where appropriate)
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Model 448: Video Frame Averager, Video Freeze Frame, Video Frame Grabber
Aluminum Chassis, Optionally Rack-Mountable
120 VAC or 240 VAC Power Input
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PO Box 928 Boulder, CO 80306 USA Tel +1-303-530-9580 sales@colorado-video.com Fax +1-303-530-9569 www.colorado-video.com
Business Hours: 9AM to 4PM Mountain Time (GMT-7 Winter, GMT-6 Summer), excluding weekends & holidays.
Copyright 2004, 2005, 2006, 2007 Colorado Video, Inc.
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