optofidelity OF-10030-00 User manual

OptoFidelity Oy • [e-mail] • www.optofidelity.com
OptoFidelity Video Multimeter
User Manual
Version 2018Q3.0

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OptoFidelity Video Multimeter – User Manual
©OptoFidelity 2013-2018
Microsoft and Excel are either registered trademarks or trademarks of Microsoft Corporation in
the United States and/or other countries.

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OptoFidelity Video Multimeter – User Manual
Contents
OptoFidelity Video Multimeter............................................................................ 1!
User Manual ................................................................................................... 1!
1!General information on OptoFidelity Video Multimeter ..................................... 6!
2!Start Window ............................................................................................ 6!
3!Frame rate measurement task ..................................................................... 7!
3.1!Overview tab ...................................................................................... 7!
3.2!Statistics tab ...................................................................................... 9!
3.3!Configuration tab .............................................................................. 10!
3.4!Color calibration ................................................................................ 11!
3.5!Saved data files ................................................................................ 11!
4!Lip sync measurement option .................................................................... 12!
4.1!Option license activation..................................................................... 12!
4.2!Audio input cable connection............................................................... 12!
4.3!Framerate application’s Lip sync tab..................................................... 13!
4.4!Saved data files with Lip sync option.................................................... 15!
5!USB connection ....................................................................................... 15!
5.1!USB connection with Remote Control API.............................................. 16!
6!External trigger output option.................................................................... 17!
6.1!Option license activation..................................................................... 17!
6.2!External trigger configuration.............................................................. 17!
6.3!External trigger usage........................................................................ 18!
7!Camera viewfinder latency option............................................................... 18!
7.1!Option license activation..................................................................... 18!
7.2!Camera viewfinder latency measurement setup ..................................... 19!
7.3!Camera viewfinder latency measurement.............................................. 19!
8!Video Transfer Performance....................................................................... 21!
8.1!Video Transfer Performance Setup ....................................................... 21!
8.2!Video Transfer Performance Application................................................ 22!
8.3!Using Video Transfer Performance with recorded video ........................... 25!
8.4!Video Transfer Performance self-verification.......................................... 25!
8.5!Video Transfer Performance License Activation ...................................... 25!
9!Dual FPS (Frames per Second) option ......................................................... 26!

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9.1!Dual FPS option license activation........................................................ 26!
9.2!Dual FPS measurement setup ............................................................. 26!
9.3!Dual FPS measurement application ...................................................... 27!
9.4!Dual FPS Color calibration................................................................... 28!
9.5!Dual FPS measurement ...................................................................... 28!
9.6!Dual FPS result saving ....................................................................... 29!
9.7!Dual FPS Graph view ......................................................................... 30!
10!Measure VR Displays option ................................................................... 31!
10.1!Measure VR displays license activation ................................................. 31!
10.2!VR Display Measurement Setup ........................................................... 31!
10.3!Measure VR Displays application.......................................................... 32!
10.4!Measure VR Displays Measurement ...................................................... 32!
10.5!Measure VR Displays Save Function ..................................................... 34!
11!Mean Opinion Score (MOS) .................................................................... 35!
11.1!File view .......................................................................................... 35!
11.2!MOS score view ................................................................................ 35!
11.3!MOS Graph view ............................................................................... 36!
11.4!MOS Configuration (OptoFidelity default) .............................................. 38!
12!Measure Motion Blur option.................................................................... 40!
12.1!Measure Motion Blur license activation ................................................. 40!
12.2!Motion Blur measurement method ....................................................... 40!
12.3!Motion Blur measurement setup .......................................................... 42!
12.4!Motion Blur latency measurements ...................................................... 42!
12.5!Motion Blur latency results analysis & saving......................................... 44!
13!Timebase Calibration option................................................................... 46!
13.1!Timebase Calibration license activation................................................. 46!
13.2!Timebase Calibration application usage ................................................ 46!
13.3!Valid result for Timebase Calibration .................................................... 47!
14!Software update................................................................................... 47!
15!Technical specifications ......................................................................... 50!
16!References .......................................................................................... 51!
17!Change history..................................................................................... 51!

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OptoFidelity Video Multimeter – User Manual
1 General information on OptoFidelity Video
Multimeter
OptoFidelity Video Multimeter is a compact desktop solution for measuring the true and
objective video playback performance of a mobile, tablet or any multimedia device
directly from the display of that device. It is controlled with a resistive touch display
which works best with, for example, a fingernail or stylus.
2 Start Window
When power is switched on the device starts and the Start Window opens. All installed
applications are listed in this window. You can browse the list by dragging or using the
arrow buttons on the right.
Figure 1: Start Window after turning on the device
Applications are classified according to their purpose:
• Measurement tasks: Measurement applications which are used to determine
some feature of the device under test (DUT).
• Utilities: General utility programs for using and configuring Video Multimeter.
• Result Analysis: Analysis of saved results.

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3 Frame rate measurement task
The frame rate measurement task determines the playback smoothness of the device
under test (DUT) with a test video. A blinking marker is measured from the display of
device and this marker helps to determine frame intervals and missing frames. The
basic measurement setup is shown in Figure 2.
Figure 2: Example of using Video Multimeter for frame rate measurement
3.1 Overview tab
When the Framerate measurement application is started, it opens with the Overview
tab shown in Figure 3. On this tab, you can start and stop measurements, have an
overview of the results and save them. The overview tab shows the average frames
per second (FPS) over the whole measurement and the total number of frames.
Figure 3: View of the Framerate application before measurement

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To begin a new measurement press the Start button. The measurement will start
immediately and continue until you press the Stop button. While the measurement is
ongoing the graph will scroll to show the results, as shown in Figure 4.
Figure 4: Frame rate measurement in progress
The vertical axis of the graph indicates the time that each frame is on the screen.
Readings on the vertical axis are in milliseconds, so for example a frame interval of 40
milliseconds equals a frame rate of 1/0.040 = 25 FPS. Dropped frames are shown as
red vertical bars, if they occur.
Note: To get repeatable results start and stop the measurement in the white period at
the start and end of the video. Such videos can be generated in OptoFidelity Test Video
Generator (TVG) by using the setting calibration=both.
After stopping the measurement, you can study the results on the Stats tab, or you
can save them using the Save button. After saving the results a message window shows
the name of the saved file, as shown in Figure 5. After the file is saved you can view
the Mean Opinion Score (MOS) of results in a separate application (See Chapter 10).
The application can be launched from Show MOS button (Figure 6) or from Start
Window.

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Figure 5: Message window after saving the measurement results
Figure 6. “Show MOS” button is available after the file is saved.
3.2 Statistics tab
During or after performing a measurement you can switch to the Stats (Statistics) tab
to see further information. The view is shown in Figure 7.

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Figure 7: Statistics tab
The upper row displays the minimum, average, standard deviation and maximum
values of the frame intervals. The lower row displays the total number of frames and
the amount of dropped frames.
3.3 Configuration tab
By default the application uses an RGB marker with built-in color calibration. This is
suitable for most measurements with LCD displays. For other kinds of displays
adjustments on the Config tab may be necessary.
Figure 8: Configuration tab
As shown in Figure 8 the Configuration tab allows the selection of marker type and
color calibration. The available marker types are: