PRISM Datasheet

Comprehensive Production Tool Solution for 4K/UHD, WCG and HDR Content Creation

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PRISM provides flexible options and field-installable upgrades to provide a monitoring solution that best fits each user application. With options supporting 4K video formats and a production tool set, PRISM becomes a comprehensive production tool solution for 4K, Wide Color Gamut (WCG) and High Dynamic Range (HDR) content creation. PRISM allows camera shading engineers / operators, who are shooting live sports broadcasting or episodic dramas, to quickly calibrate and balance multiple cameras with a variety of output signal characteristics. PRISM is the ideal HDR and WCG solution for camera acquisition in OB Vans and production studios.

Features and benefits
  • A comprehensive production tool set supporting 4K / WCG / HDR content creation
  • SDI / IP hybrid interface supporting up to 4K resolution, up to 2160p60 format support with 12G-SDI / Quad 3G-SDI interface, and up to 1080p60 format with SMPTE 2022-6/7 
  • Integrated 9-inch 1920×1080 display (MPI)
  • Stop display for monitoring video signals with a variety of transfer functions in a consistent manner
  • HDR graticules (Nits, Stop, Reflectance %) in waveform display
  • Internal dynamic range / color space conversion allowing operators to use the familiar BT.709 waveform, along with vector and diamond displays to match the skin tones in the variety of the gamma / gamut systems
  • Flexible display configuration with Full / Quad / Vertical extended tile modes
  • 12G-SDI physical layer measurements to check SDI signal quality and integrity
  • All-in-one instrument using a 3RU half-rack platform (MPI) or a 1RU full-rack platform (MPX) that can be used for either portable or rack mount applications

Simplify camera shading/matching operation among cameras with different Optical to Electrical Transfer Functions (OETF)

One of the challenges in creating HDR content is the need to understand the new reference white/grey levels required for each transfer function used in HDR content acquisition, which requires the camera operator to adjust the cameras exposure accordingly for the specific OETF.

However, operators may need to use a variety different cameras and need to match the exposure of each or work on multiple projects with different transfer functions. Also, a project using different types of cameras may require operators to match exposures among cameras with different transfer functions. In either case, the operators have to pay special attention to the various reference levels for each camera OETF used in the project.

The Tektronix patented Stop display allows operators to adjust camera exposure in a consistent manner without worrying about the transfer function (OETF) of a camera. The Stop display reverses the OETF to convert the video signal from the camera to linear light with internal integrated look up table, and then represents the light level as log2 (stops) waveform with over 16 stops of range in one display.

The vertical axis on the Stop display is "stop" to represent scene light level relative to camera chart reflectance reference levels. The stop graticule has the reference levels in the same position regardless of which transfer function (camera OETF) is selected. The operator can select an inversed OETF (scene light reference) or EOTF (display light reference) via the virtual input settings for each input signal.

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The Stop or Nits graticule is automatically selected depending on the transfer curve selected.

 

There are several benefits for using the Stop display:

  • The operator can adjust the camera exposure in a consistent manner regardless of camera's transfer function.
  • The Stop display makes balancing/matching cameras easier when using multiple cameras in a project. The operator can simply set the average exposure to the same relative light level by matching the traces on the stop scale while monitoring the full dynamic range of each camera's OETF.
  • The logarithmic processing of the Stop display means that when the camera's exposure is changed, the trace height (dynamic range) is not affected. Only a vertical shift is observed, which corresponds to the number of stops the camera's exposure is changed. This makes the camera balancing operation more predictable since the vertical trace shift amount is consistent regardless of the transfer function selected.
  • The Stop display increases the effective gain in dark regions of the image, allowing precise black balance without vertical magnification.
  • When on location shooting episodic dramas, scene and subject lighting is very important since it is typically done with multiple light sources. Cinematographer can use the Stop Waveform display as a "real-time multipoint relative reflectance light meter" to quickly create the scene or subject lighting that a director of photographer (DP) wants in familiar units of stops.

 

 

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PQ Narrow OETF, Stop graticule.

 

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ITU BT.2100 HLG Reference EOTF, Nits graticule.

Familiar operation in skin tone matching among signals with different color primaries

ITU-R BT.2020 color and many custom camera color primaries have a wider color coverage than the traditional ITU-R BT.709 color gamut. Because of differences in both color primaries and gamma, the trace presentation in a typical color difference vector display is different from the familiar BT.709 vector display, which forces the camera operators to interpret the colors differently depending on the color format used.

PRISM's internal dynamic range / color space converter converts a video signal with WCG color primaries and transfer function to a video signal with BT.709 colorimetry and gamma. This allows the familiar BT.709 vector display to be used to evaluate skin tones, match colors to familiar reference marks and to determine the degree of color gamut compatibility for BT.709 conversion.

 

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100% color bar in PQ / BT.2020.     Left tile: Vector display without conversion (Reference marks are BT.2020 color primary). Right tile: Vector display with conversion (Reference marks are BT.709 color primary)

Flexible display layout to quickly see what you want to see

A combination of Full / Quad / Vertical extended tile configuration provides more flexibility in how an operator views the application displays. As a vertical extended tile, the 9 inch, 16:9 display panel can show the Vector display in an equivalent size to a 6.5 inch, 4:3 display panel. This provides a practical single-box solution with the Waveform and Vector displays shown side-by-side for camera shading applications.

 

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Waveform and Vector displays in vertical extended tiles.

Most advanced SDI physical layer measurement solutions

In an SDI video system, checking SDI signal quality and integrity is one of the most important tasks before starting to shoot a show. PRISM provides unique capabilities such as providing various jitter filters from 10 Hz to 100 kHz for SD/HD/3G/12G-SDI signals.

In addition, PRISM can also perform automated eye amplitude, automated rise/fall time, and automated overshoot/undershoot measurements. All of these capabilities help broadcasters and network operators detect and diagnose signal quality problems quickly and efficiently.

 

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12G-SDI Eye pattern display with Automatic measurements.

 

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12G-SDI Jitter display.

Flexible installation options

PRISM offers two platform options: 3RU half-rack width (MPI) and 1RU full-rack width (MPX). The MPI platform with the optional portable cabinet allows users to move the unit between different locations. The MPI platform with the optional rack mount kits allows users to install the unit in an equipment rack.

The MPX platform is intended for applications where space in an equipment rack needs to be minimized, for applications where an external touch panel display is going to be used, for KVM operation or for applications where remote monitoring is preferred.

 

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Supported formats

Supported IP formats
Format Description Option
SMPTE 2022-6, SMPTE 2022-7    MP-IP-STD
SMPTE 2110-20, SMPTE 2110-30 (Preliminary)1   MP-IP-STD
ASPEN (video content only) 1 SMPTE RDD-37  MP-IP-STD
PTP IEEE1588, SMPTE2059-2 (Multicast, Mixed SMPTE w/o negotiation) MP-IP-STD
Supported SDI formats
Link Format Sample Structure Bits Frame/field rate Option
SD-SDI 525i 4:2:2  YCbCr 10b 59.94  Base instrument
625i 4:2:2  YCbCr 10b 50  Base instrument
HD-SDI 1920x1080 4:2:2  YCbCr 10b 50/59.94/60i Base instrument
1280x720 4:2:2  YCbCr 10b 50/59.94/60p Base instrument
3G-SDI Level A 1920x1080 4:2:2  YCbCr 10b 50/59.94/60p Base instrument
3G-SDI Level B 1920x1080 4:2:2  YCbCr 10b 50/59.94/60p Base instrument
Quad Link 3G-SDI Level A, Square Division1 3840x2160 4:2:2  YCbCr 10b 50/59.94/60p MP-FMT-4K
Quad Link 3G-SDI Level B, Square Division1 3840x2160 4:2:2  YCbCr 10b 50/59.94/60p MP-FMT-4K
Quad Link 3G-SDI Level A, Two Sample Interleave1 3840x2160 4:2:2  YCbCr 10b 50/59.94/60p MP-FMT-4K
Quad Link 3G-SDI Level B, Two Sample Interleave1 3840x2160 4:2:2  YCbCr 10b 50/59.94/60p MP-FMT-4K
12G-SDI 2 3840x2160 4:2:2  YCbCr 10b 50/59.94/60p MP-FMT-4K
Supported video formats in SMPTE 2022-6 streams
Link Format Sample Structure Bits Frame/field rate Option
SD-SDI 525i 4:2:2  YCbCr 10b 59.94  MP-IP-STD
625i 4:2:2  YCbCr 10b 50  MP-IP-STD
HD-SDI 1920x1080 4:2:2  YCbCr 10b 50/59.94/60i MP-IP-STD
1280x720 4:2:2  YCbCr 10b 50/59.94/60p MP-IP-STD
3G-SDI Level A 1920x1080 4:2:2  YCbCr 10b 50/59.94/60p MP-IP-STD
3G-SDI Level B 1920x1080 4:2:2  YCbCr 10b 50/59.94/60p MP-IP-STD
Supported video formats in SMPTE 2110-20 streams (Preliminary)
Link Format Sample Structure Bits Frame/field rate Option
ST2110-201 1920x1080 4:2:2  YCbCr 10b 50/59.94/60i MP-IP-STD
1280x720 4:2:2  YCbCr 10b 50/59.94/60p MP-IP-STD
1920x1080 4:2:2  YCbCr 10b 50/59.94/60p MP-IP-STD
Supported video formats in ASPEN video
Link Format Sample Structure Bits Frame/field rate Option
ASPEN1 1920x1080 4:2:2  YCbCr 10b 50/59.94/60i 50/59.94/60p MP-IP-STD

1No AUX SDI output is available for this format.

2No SDI Loop through output through SFP transmitter module is available for this format.

Specifications

All specifications apply to all models unless noted otherwise.

MPI power characteristics
Power consumption
Typical
100 W
Maximum
200 W
Voltage range
100 to 240 VAC ±10%, 50/60 Hz
MPI physical characteristics
Dimensions
Height (at bezel)
13.34 cm (5.25 in.)
Width (at bezel)
21.91 cm (8.625 in.)
Depth
30.48 cm (12.00 in.)
Weight (net)
3.4 kg (7.45 lbs.)
MPX power characteristics
Power consumption
Typical
100 W
Maximum
200 W
Voltage range
100 to 240 VAC ±10%, 50/60 Hz
MPX physical characteristics
Dimensions
Height
4.45 cm (1.75 in.)
Width
48.26 cm (19.00 in.)
Depth
45.72 cm (18.00 in.)
Weight (net)
3.9 kg (8.7 lbs.)

2MW-61248-1

Last Modified: 2018-01-10 04:00:00
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