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The VP-791 3G-SDI to DVI/HDMI Digital HQV Scaler from Kramer not only converts SD-, HD-, or 3G-SDI video to DVI or HDMI is also provides scaling, image flip, geometric distortion correction, and color correction. The VP-791 will accept video from most SDI sources up to 3G bandwidth, including 24p and 1080psf frame rates. It provides de-interlacing and can add pull-down where needed. The processing engine lets you choose between better image processing or lower latency, and boasts latency as low as 0.25-frame for progressive scan video.
The VP-791's output uses a DVI connector, so if you plan to connect to an HDMI display or switcher you will need a DVI to HDMI adapter or DVI to HDMI cable to complete the link. In addition, embedded audio is not supported.
HQV Video Processing
HQV (Hollywood Quality Video) processing technology features advanced de−interlacing with 3:2 and 2:2 pull down support, 4D motion adaptive SD noise reduction, and a high grade scaling engine equally adept at converting SD or HD video
Accommodates the following SMPTE standards: SDI (SMPTE 259M), HD−SDI (SMPTE 292M), and 3G HD−SDI (SMPTE 424M). It also supports the following input formats:
720p: 23.97, 24, 25, 30, 50, 59.94, and 60
1080i: 50, 59.94, and 60
1080psf: 23.97, 24, 25, and 30
1080p: 23.97, 24, 25, 30, 50, 59.94, and 60
SD: 625i, 576i, 525i, and 480i
Is able to output common VESA computer resolutions from 640 x 480 (VGA) to 1920 x 1200 (WUXGA) as well as 720p and 1080p HD video resolutions. Plus the VP-791 supports 12-bit deep color when connected to compatible HDMI displays
Powerful Geometry Correction
Helps compensate for the effects of a distortion image with off−axis projection, pincushion, barrel, and image rotation adjustments
Portrait Mode Image Extraction
Rotation and zoom adjustments allow you to convert an image from landscape to portrait orientation
Selectable Processing Versus Latency
Best Picture mode provides the best scaling, while the low latency modes apply less processing to move the video stream through the scaler as fast as possible. Even in Best Picture mode latency can be as low as 0.25−frame for progressive scan inputs and 1.25−fields for interlaced inputs
Flexible Color Calibration Controls
Built-in color correction allows you to adjust the following parameters: RGB gains, RGB cut-offs and black levels, saturation, hue, brightness, contrast controls, and gamma selection
Active 3G- and HD-SDI Cable Equalization
Helps extend the maximum cable distance for the incoming SDI signal
Auto−saves settings for recall even after power unit of and on again
Flexible Control Options
Built−in Web server and TCP/IP API for control across a network or using a web browser, RS-232 for serial control, and a keypad for direct input selection and OSD (on screen display) menu access
Selectable I/O lock mode or frame rate conversion mode
Built-in test pattern generator
Form factor: mega tools
Programmable customer logo on menu
USB port for firmware upgrades
Target applications: professional AV, broadcast, corporate AV, fixed installations, and live events
In the Box
Kramer VP-791 3G-SDI to DVI/HDMI Digital HQV Scaler
12 VDC Power Supply
Limited 7-Year Warranty
Table of Contents
1 x SDI (3G/HD/SD) on BNC female
1 x HDMI/DVI on DVI connector
Common VESA formats from 640 x 480 to 1920 x 1200, and HD video formats at 720p and 1080p
Progressive Scan Inputs: As low as 0.25-frame
Interlaced Inputs: As low as 1.25-field
Signal Inputs: 10-bit
Internal Processing: 12-bit
4−field full resolution SD and HD processing
Motion adaptive per pixel, multi−directional diagonal de−interlace filter
1 x TCP/IP on RJ-45 connector
1 x RS-232 on 9-pin DIN female
Keypad for OSD menu access
1 x USB type B for firmware updates
12 VDC, approximately 1.5 A
32 to 104°F / 0 to 40°C
10 to 90%, RHL non-condensing
6.6 x 6.2 x 1.5" / 16.7 x 15.8 x 3.9 cm
1.1 lb / 0.5 kg
Kramer VP-791 3G-SDI to DVI/HDMI Digital HQV Scaler Review