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Tektronix WVR7200 (WVR-7200) 3G/HD/SD Multi-Format Waveform Rasterizer
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The monitoring and measurement capabilities of the WVR7200 provide a comprehensive suite of options and configurations to suit a variety of applications. For monitoring applications Tektronix-patented gamut displays simplify colour adjustments for camera balancing and colour correction applications. Get information about the signal at a glance from the audio session and video session displays that assist in ensuring quality control of the image.
Tektronix provides an extensive audio toolset for monitoring analogue, digital AES/EBU and digital embedded within Option AD. Up to 16 channels of embedded audio can be monitored for bar levels, which allows the operator to quickly check audio signal levels. Lissajous, Surround Sound, and correlation meters show the interaction of the audio channels. For Dolby Digital (AC-3), Dolby Digital Plus and Dolby E, Option DPE adds the additional functionality to decode the Dolby stream with a comprehensive Dolby metadata decode and status display. To ensure Dolby E synchronization the guard band meter easily shows the start of the Dolby frame in relation to the video signal with user-defined limits.
Loudness is a critical audio measurement to make for each produced program and throughout the distribution chain. The WVR7200 includes a Loudness meter as part of Option AD or DPE, with short and infinite audio loudness measurements to ITU-R BS.1770-2 standard. Preset configurations are defined to meet ATSC A/85, EBU R128, and ARIB TR-B32 to suit the specific requirements of these standards. For detailed analysis of loudness a graphical plot provides a Loudness Session that can store up to 30 hours of data and can be downloaded for inclusion in documentation using a network connection or USB device.
A variety of ancillary data is now carried within the SDI signal, and the ANC data toolset of the WVR7200 can help monitor and troubleshoot problems within the signal chain. The Aux Data Status display provides a summary of critical ANC data such as closed captioning / subtitling, AFD, and time code. The ANC Data Inspector allows the user to quickly verify the presence of ANC data within the signal and the Datalist display allows inspection of the data line by line, sample by sample.
For measurement of the physical layer the WVR7200 includes high-precision eye and jitter displays that provide automated measurements of amplitude, rise/fall times, overshoot/undershoot, and timing or alignment jitter. The measurement functions of the WVR7200 also include options for AV Delay and Stereoscopic 3D Monitoring, making the WVR7200 an ideal choice for monitoring and measurement applications.
See and Solve with Tektronix Displays
Tektronix WVR-7200's See and Solve displays simplify video monitoring tasks such as calibration, error detection, and content correction allowing users to detect errors at a glance and troubleshoot them efficiently. Specialized Session and Status displays provide summarized yet comprehensive reports of conditions and measurements of content parameters.
The powerful Error Log of the Tek WVR7200 Waveform Monitor is configurable by a variety of alarm conditions such as black and frozen frame detection and provides detailed reports for up to 10,000 events that can be downloaded using a web browser or saved through a front-panel connection to a USB flash drive. Alarms can also activate ground closures and SNMP traps, simplifying centralized monitoring of multiple programs and allowing the operator to be alerted to problems within the transmission chain.
The Tek's FlexVu four-tile display provides maximum flexibility to increase your productivity. Unlike instruments with predetermined view combinations or limited choices, FlexVu lets you create a multi-view display tailored to your specific needs and work practices. Each tile can be configured to enable easy signal analysis such as multiple alarm and status screens, different Safe Area Graticules and cursors on each tile, and more.
Tektronix WVR7-200 displays offer the sharpest CRT-like trace quality for clear waveform and vector monitoring without pixelation distortions. The familiar video waveform display can show SD, HD, or 3G-SDI (with Opt. 3G) signals in RGB, YPbPr, YRGB, or composite formats. Signal components can be displayed in either Parade or Overlay mode. For composite analog video, NTSC and PAL signals can be displayed with luma, chroma, and luma+chroma filtering. The Vector display offers user-selectable graticules, color targets (75% or 100%), and color axis.
See and Solve with Tektronix DisplaysClick for larger image
Tektronix-patented Diamond, Spearhead,
and Arrowhead gamut displays, along
with the Picture Bright-up display.
Color Correction Toolset for Editors and Colorists
The Tektronix-patented Diamond, Split Diamond, and Arrowhead gamut displays simplify the process of verifying gamut compliance. The Diamond and Split Diamond displays help easily identify and correct RGB gamut errors in digital video signals. The Arrowhead display saves time in verifying composite gamut compliance for digital video signals.
User-selectable gamut thresholds let you tailor these displays and the associated gamut alarms to your particular compliance standards. You can also select bright-up conditions to easily see the location of gamut errors in the picture display. Flexible Safe Area Graticules within the picture display allow for quick placement of graphics, titles, or logos. Using FlexVu™, users can see two or more pictures with different graticules.
The Tektronix WVR7200 also features optional advanced color gamut monitoring capabilities including the Tektronix-patented Luma Qualified Vector (LQV) display and Spearhead display (Opt. PROD) which, when used in conjunction with Tektronix proprietary Diamond and Split Diamond gamut displays, provide the most comprehensive color gamut monitoring tools available for precise color gamut adjustments.
The combination of FlexVu and variety of gamut displays allow the instrument to be customized for your individual application to meet your needs. Additionally, simple presets can be set up and quickly recalled allowing the user to rapidly switch from one configuration to another.
Content QA and Distribution ChainClick for larger image
Simultaneous decode of CEA708
and CEA608 captions within multiple
Content QA and Distribution Chain
The Tektronix WVR7200 can be configured to alarm on a variety of errors within the video and audio signal. Errors that occur within the program material can be logged against time code, allowing an operator to quickly investigate problems within the material. This can save time in evaluating quality assurance issues within content and provide documentation of the list of errors within the material that can be downloaded from the instrument using a network connection or USB device.
The picture display provides detection and decode of CEA708/608 Closed Caption. Using multiple picture displays, the instrument can decode CEA708 and CEA608 simultaneously, allowing verification of the presence and decoding of this critical metadata within one pass of the material. Teletext subtitle pages can also be decoded in either 625 formats or using OP47 ancillary data. Flexible Safe Area Graticules allow for quick placement of graphics, titles, or logos. Using FlexVu™, users can see two or more pictures with different graticules.
Black and frozen frame detection can provide indication when the signal is lost during transmission and provide an alert of the alarm visually within the video session or error log displays. Alternatively, a ground closure or SNMP trigger can also be used to alert the operator to a problem
Camera Balance ApplicationClick for larger image
Multiple Input mode display of
four SDI inputs with input
labels for each signal.
Camera Balance Application
Within a studio or on-location within a truck it is important that all the cameras are matched to ensure the look of the production from camera to camera, scene to scene. With the Multiple Input mode of the Tektronix WVR 7200 the instrument can be used to monitor up to four SDI inputs simultaneously when in Full Screen mode (4-input mode requires Opt. 2SDI). This type of display is ideal for camera balance applications where the user wishes to check the video level across multiple inputs to ensure consistency of the cameras’ output. This Multiple Input mode is available within Waveform, Vector, Lightning, Diamond, Arrowhead, and Spearhead (with Opt. PROD) display modes, allowing for the comparison of video inputs across a wide variety of these displays.
Complete Monitoring Tool Set for Optimum Sound QualityClick for larger image
Audio Monitoring with Lissajous display,
Channel Status information, Loudness
Session, and Audio Session.
Complete Monitoring Tool Set for Optimum Sound Quality
The Tektronix WVR 7200 Multi-standard Waveform Monitor provides high-quality digital filtering and oversampling to insure precise, reliable, and repeatable audio measurements. For easy monitoring, the WFM audio options provide format auto-detection and flexible mapping of audio inputs to analog or digital audio outputs for connection to external devices.
The Audio display of the Tektronix WVR-7200 Waveform Monitor provides a variety of display configurations for audio level and phase monitoring. Up to 16 channels of embedded audio levels can be monitored with a variety of scales and ballistics configured by the user. For AES and embedded audio, eight audio channels can be monitored for audio level with phase correlation meters. The Bars display provides indicators for faults, audio levels, and Dolby format information. A Lissajous display can be enabled for a selected channel pair and provides an X-Y plot of the audio signals. The flexible Lissajous display allows the selection of any two audio channels. The Surround Sound of the Tek WVR-7200 display provides intuitive graphical representation of channel interaction in a system.
Loudness monitoring is becoming a critical part of audio monitoring of the program to ensure consistent audio loudness levels between programs and commercials. Loudness measurements are made to ITU-R BS.1770-2. A Loudness meter is available within the Audio display that provides Short and Infinite Loudness measurements. Within the configuration menu there are simple Loudness presets for the various standards such as ATSC A/85, EBU R128, and ARIB TR-B32. The Loudness session display graphically plots Loudness measurements over time, from 90 seconds to 30 hours. The Loudness measurements can be downloaded through the network or saved to USB for further analysis.
Specialized audio displays provide deeper inspection of the signal and make the Tektronix WVR/7200 instrument the most comprehensive waveform and audio monitor available. The Audio Session displays summarize levels, faults, and number of active bits for each channel. These instruments also feature Audio Control Packet Data and Channel Status displays.
Complete Monitoring Tool Set for Optimum Sound QualityClick for larger image
Audio Monitoring with Lissajous display,
Channel Status information, Loudness
Session, and Audio Session.
Dolby Audio Monitoring
Option DPE of the Tektronix WVR7200 Multi-format Waveform Monitor supports decoding of Dolby Digital (AC-3), Dolby Digital Plus, and Dolby E, providing decoding of up to 10 audio bar level meters along with correlation meters of the Dolby data stream. The decoded Dolby stream can be flexibly mapped to the analog or digital audio outputs.
The Dolby Status display (Opt. DPE) gives an in-depth view of integrated or VANC metadata and comparisons of the Dialnorm value to Loudness measurements. Dolby E requires frame synchronization to the video signal and the guard band measurement provides a direct readout in terms of field and line location of the Dolby frame sequence. User-configurable thresholds for the Dolby E guard band timing measurement (Opt. DPE) are available as well as Dolby E guard band timing and trigger alarms based on their specific guard band parameters.
Full-featured Simultaneous Input Monitoring Boost Versatility
The Simultaneous Input Monitoring (Opt. SIM) capability of the Tektronix WVR-7200 takes multiformat monitoring to a new level. This capability helps operational staff quickly determine if a video quality problem existed in the input signal or arose in their facility. It enables engineering staff to quickly detect, diagnose, and resolve technical problems introduced in a piece of video equipment by comparing the input and output signals at each point in the chain. This feature is also especially helpful when checking for transparency during format conversion.
The Tektronix WVR7200's FlexVu enables flexible and intuitive configuration of displays from two monitored inputs. The user can display simultaneous fault detection, status reporting, alarm generation, and error logging. SIM is ideal for transmission monitoring of simultaneous HD and SD programs. It is also ideal for monitoring stereoscopic 3D content in production and post-production applications by simultaneously monitoring the Left Eye image and the Right Eye image.
SyncVu is used in conjunction with SIM mode for 3D applications when input A is used for the Left Eye and input B is used for the Right Eye. When SyncVu is enabled on the Tekronix WVR/7200, the Left and Right Tile displays are synchronized, so that if a picture tile is selected for Tile 1, Tile 2 automatically displays a picture tile in exactly the same mode as Tile 1. This enables the user to quickly configure the instrument identically for Left and Right Eye 3D monitoring.
The CaptureVu feature on the Tektronix WVR7200 allows users to capture, store, and download the data of a video frame to recreate displays and compare the live signal to captured data for easy troubleshooting of intermittent errors or for analyzing fault conditions at remote sites.
3D Stereoscopic Monitoring
The 3D stereoscopic monitoring and displays are available on Tektronix WVR-7200 Waveform Monitor with Option S3D. A 3D image is comprised of a Left Eye and Right Eye image to be fed as two separate HD-SDI signals or combined within a 3G Level B format. Alternatively, the 3D signal can be carried in a single HD-SDI signal as a Side by Side or Top/Bottom image for the left and right images. A variety of different 3D monitoring modes are available within the instrument to assist the user in determining the difference between the Left Eye and Right Eye views. From this disparity difference between the two left and right images, the depth of an object within the image can be determined.
For monitoring purposes a variety of displays can be set up within the Picture mode:
Difference Map Display – A subtraction of the two luma video signals L-R or R-L to produce a grayscale difference map image and see the difference between the left and right images
Red/Cyan Anaglyph Display – The left image is shown in red and the right image is shown in cyan, with identical left and right objects shown in monochrome. This allows the user to isolate differences between objects and gauge the depth of the object within the image
Green/Magenta Anaglyph Display – The left image is shown in green and the right image is shown in magenta, with identical left and right objects shown in monochrome
Checkerboard Display – This picture display shows a block of the image from the left eye and then the next block shows the image from the right eye in a 16×9 checkerboard pattern. This helps the user compare the levels and color of the signal between the left and right images
These modes help the user compare the disparity between the left and right images and can assist in interpreting the depth of the objects within the image.
3D Stereoscopic Measurement
For measurement of the depth of an object within the image (Opt. S3D) a Disparity Grid can be overlaid over the picture with a horizontal disparity between 1 to 15% of screen width and a vertical disparity of 50%, 25%, or 10% that can be selected by the user. The horizontal and vertical position controls allow the Disparity Grid to be moved around within the picture display to gauge the depth of objects within the image.
A set of Disparity Cursors are also available for precise measurement of horizontal disparity of an object between the Left and Right Eye images. Readout is given of the pixel difference between the cursors and the percentage of disparity of an object.
Quad Diamond Display for 3D Alignment
The new Tektronix-patented Quad Diamond display (Opt. S3D) simplifies stereoscopic camera alignment by viewing a disparity histogram of the left and right signal from a signal level of 0 to 100% vertically for each of the components: Luma, Red, Green, and Blue. If the two cameras are well balanced the trace will form a vertical trace for each of the diamonds. A deviation in the trace indicates an imbalance between the left and right eye images that should be corrected using the various camera controls until the trace becomes vertical. This display can also be used in post-production for aiding the editor and perform color correction on the left and right images.
Superior Data Analysis Capabilities for Engineers and Operators
The ANC Data Inspector (Opt. DAT) provides an industry-leading solution to help broadcasters easily and accurately ensure that all required VANC data is present and correctly configured through an intuitive ANC data display. In contrast to other solutions, the ANC Data Inspector enables operators to easily and quickly ensure that the VANC data is present and free of errors. When errors are detected, engineers are quickly guided to a more detailed view of the data packet content for further analysis. With FlexVu, each picture display tile can display different CEA708/608 Closed Caption and individual Teletext subtitles. Teletext subtitle pages can be decoded in either WST or OP47 format.
The Auxiliary Data Status display (standard on the Tektronix WVR7200 Multi-format, Multi-standard Waveform Monitor) provides summary information on Active Format Description (AFD) per SMPTE 2016, Video Index Aspect Ratio, Wide Screen Signaling (WSS), V-Chip, TSID, CGMS-A, Broadcast Flag, CEA708/608 Closed Caption, Teletext, and Time Code information.
Today there is a wide array of metadata that provides information to a variety of equipment through the processing chain. Monitoring of this metadata is critical to ensure that the processing equipment correctly handles the signal. For instance, correct format of the AFD ensures that the aspect ratio on the display is correctly formatted and the automated AFD graticule is available for the picture display of the WVR7200 along with the binary data and text description for easy monitoring.
The Tektronix WVR7200 can also monitor Dolby metadata embedded in the Vertical Ancillary (VANC) data space per SMPTE 2020.
The Datalist display (Opt. DAT) provides detailed information on the actual data values in HD/SD-SDI and 3G-SDI (with Opt. 3G) input signals. Users can easily use this display to locate protocol errors in the input signals.
The right side of the display shows the data values in hexadecimal, decimal, or binary format and uses the following color coding for easy identification of data types and errors:
Green – Active video data
Blue – Data in horizontal or vertical blanking intervals
White – EAV, SAV, and other reserved words
Yellow – Data outside nominally allowed values
Red – Data with illegal values
The left side of the display shows un-interpolated digital values plotted against sample numbers as a digital waveform. You can configure this unique display in either Video mode or Data mode. In Video mode, the display shows the Y, Cb, Cr values aligned temporally, but offset vertically. Like the waveform display, you can configure the display to show one, two, or all three components.
Physical Layer Measurements
The Tektronix WVR-7200 waveform monitor offers comprehensive physical-layer signal measurements for engineers when Option PHY3 is installed. The Tek WVR/7200's HD/SD-SDI eye pattern display, jitter measurements, and cable length measurements provide essential analysis of the physical layer. An easy-to-interpret gauge provides direct readout of jitter measurements for timing or alignment jitter with various user-selectable jitter filters from 10 Hz to 100 kHz within the eye display. Users can configure timing jitter and alignment jitter readouts to be displayed simultaneously to effectively isolate the sources of jitter. The SDI Status display summarizes key signal parameters such as signal strength, cable loss, and Tektronix-patented estimated cable length measurements. With Option 3G the Tektronix WFM 7200 is also capable of displaying 3G physical layer measurements, allowing the instrument to support your future requirements.
With FlexVu, users can simultaneously display timing jitter and alignment jitter values, cable parameter measurements, and display different eye patterns to help quickly diagnose and resolve problems related to SDI timing jitter or cable attenuation. The Infinite Persistence mode of the waveform monitor can also be used to more easily view the eye opening of the physical layer signal.
In addition, the Tektronix WVR 7200 (with Opt. PHY3) can also perform automated eye amplitude, automated rise/fall time, automated overshoot/undershoot measurements, and provide a jitter waveform display to view jitter related to line and field rates. All these capabilities help broadcasters and network operators detect and diagnose signal quality problems quickly and efficiently.
Option GEN on the Tek WVR-7200 Waveform Monitors provides a simple test signal generator output that creates 100% Color Bars, 75% Color Bars, and Pathological Test signals for a variety of video formats that can be used to verify signal path.
Facility Timing Made Easy
Audio/Video synchronization is an important challenge in the processing of video signals. The Tektronix WVR7200 with Option AVD displays the A/V delay on a graphical bar indicator. The measurement readout gives facility engineers the necessary tools to ensure system integrity and facilitate A/V delay compliance. This feature provides out-of-service measurement of A/V delay for analog or digital audio and video formats. A Tektronix TG700 is required to generate the SDI signal which contains the audio and video sequence that can be distributed through the system and measured by the Tektronix WVR-7200.
The Tektronix-patented Timing display makes facility timing easy through a simple graphical representation which shows the relative timing of the input signal and the reference signal (or a saved offset reference) on an X-Y axis. The Lightning display shows luma and chroma amplitudes and helps users verify component timing using a color bar signal. The Tektronix-patented Bowtie display (standard on the Tektronix WVR7200) complements the timing measurement capability of the Lightning display. Using a special Bowtie test signal in component format, this display helps make precise and accurate measurements of inter-channel amplitude and timing. The SCH Phase display helps quickly verify this critical timing parameter of composite analog video signals.
Remote Front Panel
The Tektronix WVR7200 can be controlled by the newly designed remote front panel (WVR8RFP) which has the same control button and knob configuration as the front panel on the instrument. The remote front panel (WVR8RFP) allows operators to access and control the Tektronix WVR-7200 from a distance of up to 1000 ft. with power supplied from the base instrument through the cable. Users can also choose to connect the remote front panel with an external 12 V DC power source which can extend the distance of the cable run to 4000 ft.
Video Monitoring Standards
Standard Definition SDI – Standard
High Definition SDI – Standard
Dual Link (4:2:2, 4:4:4, alpha channel, 10 bit, 12 bit) – Standard
Composite Analog Video – Option CPS
3G-SDI (Level A and Level B) – Option 3G
Multiple Input Mode, 4 SDI inputs – Option 2SDI
Color Gamut Monitoring
Arrowhead Display – Standard
Diamond and Split Diamond Displays – Standard
Spearhead Display – Option PROD
Luma Qualified Vector (LQV) – Option PROD
Audio Monitoring Standards
Analog, Digital AES/EBU, Digital Embedded – Option AD
Analog and Digital including Dolby Digital, Dolby Digital Plus, and Dolby E – Option DPE
Measurement and Analysis
Automated Eye Pattern and Jitter Measurements – Option PHY3
Color Bar and Pathological Signal Generation – Option GEN
Digital Data Analysis – Option DAT
ANC Data Inspector – Option DAT
Simultaneous Input Monitoring – Option SIM
Stereoscopic 3D Monitoring – Option S3D
Audio/Video Delay Measurement – Option AVD
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