By: TV One
Video Conversion
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Universal I/O Video Switcher/Scaler

The TV One C2-2355A Universal I/O Video Switcher/Scaler is based on TV One’s exclusive CORIO®2 technology and provides high quality bi-directional conversion between a variety of video formats. Inputs and Outputs can be DVI, RGB, YUV, YPbPr, Composite or S-Video (YC). Incoming video parameters may be adjusted. All settings are stored in non-volatile memory and are retained even when power is switched off. Ten user defined presets are also available to customize settings for various applications. The high resolution RGB/YPbPr output is selectable as virtually any PC or HDTV resolution. TV One's exclusive AutoSet feature takes the hassle out of setup by automatically sizing and positioning the computer input image to fit exactly on the video screen. NTSC, PAL, PAL-M, PAL-N, SECAM standards are supported. The C2-2355A provides an SD/HD-SDI Input and Output in addition to all of the features of the C2-2350A.

All the functions can be controlled via the front panel Push Buttons, Infrared, RS-232 or IP. Windows Control Panel software is provided and most third party control systems interface directly with the entire C2 range of products. A front panel LCD makes setup easy. The unit is housed in a desktop case and an optional rackmount kit is available that holds one or two units.

Variable Zoom to 10X enlarges any part of the computer screen to fill the entire video screen and position controls allow movement to any area desired. Variable Shrink to as little as 10% allows fitting the image onto most displays. The advanced Digital Flicker Elimination circuitry and high sampling rate insures crisp, clear images, while full bandwidth chroma sampling insures faithfully reproduced, high resolution colors. Motion compensation, diagonal interpolation and a 3:2 Pulldown feature for NTSC improves the image quality. Temporal interpolation greatly improves frame-rate conversion by analyzing and merging successive frames. Pixel Level Motion Adaptive Diagonal Interpolation insures high quality de-interlacing of PAL and NTSC signals.


C2-2355A features include:

• Up-Down-Cross Conversion
• Motion Compensation & 3:2 Pulldown
• Temporal Interpolation & Diagonal Interpolation
• Automatic Incoming Resolution Detection
• AutoSet - Automatic picture sizing of PC inputs
• 4:4:4 Full bandwidth Chroma Sampling
• Video signal parameter adjustments
• Variable Image Zoom to 10X and Shrink to 10%
• Genlock With Subcarrier Phase Adjustment
• Mix, PIP, Chroma/Lumakey & Edge Blending
• Optional Single/Dual Rackmount Kit
• Optional Input Expansion with S2 Switchers
Video Inputs      
Television Standards NTSC, PAL, SECAM
Composite Video 1x via BNC
YC 1x 4-Pin Mini-DIN Connector
YUV /YPbPr 1x via 3-BNC 
SD/HD-SDI 1x via BNC (C2-2355A only)
Computer Inputs       
1x Analog HD15 Connector 
1x DVI-D DVI-I Connector
Analog Signals PC to 2048x2048, HD to 1080p/60
DVI Signals PC to 1920x1200, HD to 1080p/60
Video Outputs      
Television Standards NTSC, PAL, SECAM
Composite Video 1x BNC
YC 1x 4-PIN Mini-DIN  
YUV, YPbPr 1x DVI/RGB Conn. (shared)
SD/HD-SDI 1x BNC (C2-2355A only)
Computer Outputs       
1x DVI-I  
Analog PC to 2048x2048,HD to 1080p/60
DVI PC to 1920x1200,HD to 1080p/60
Audio Input/Output  
Inputs     4x Unbalanced via Terminals
Output     Unbalanced via Terminals

Control Methods


Front Panel Buttons & OSD

Infrared Remote  
Input Expansion Control  
Limited 5 Years Parts and Labor  
Size:  41.5x218x150mm (1.63”x8.6”x5.9”)
Weight:  1.30kg (2.86 lbs)

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Prices and specifications subject to change without notice.