VQTS-200 User Manual, version 1.2 March 2012
Contents
1. via suitable HDMI to DVI adapters In off line mode VQMA analyzer supports YUV and BMP formats in a wide range of resolutions AJA KONA LHi card also support input and output analog formats such as YPrPb RGB Y C and CVBS These formats however are not supported by VideoQ VQTS VQMA capture and analysis software so they are suitable only for DVR record and play functions VQTS 200 contains Machina pronounced mock en uh AJA s standalone capture playback application that includes basic DVR functionality plus full external VTR machine control VQTS 200 is suitable for testing both simple single stage SDI to SDI links and much more complex multi stage video links which may include cameras video processors and or digital codecs It is a quite robust system allowing for significant distortions of the incoming signal such as wrong video levels wrong timing positions of the test signal components or high levels of noise and or interferences VQTS 200 automated measurement capabilities rely on advanced algorithms of built in VQMA3 software analyzer More details about VQMA Video Quality Measurement Software can be found in a separate VQMA User Manual If necessary the built in VQMA3 tool can be used for off line analysis of uncompressed YUV BMP video files containing proprietary VQMA C matrix test pattern Captured YUV files are created automatically by VQOTS system itself Alternatively YUV BMP files can be imported from the2. BNC CI WE Y G CVBS Out BNC Balanced Audio Analog Audio PE ta Tr iF Pb B Y Our BNC Channel 1 Input E Pr R C Out BNC Analog Audio Channel 2 Input 6 BNCs Analog Connections Can be Configured for Analog Audio Component Channel 1 Output Composite Analog Audio or Y C Channel 2 Output RS422 AES Input Machine Control Channels 1 amp 2 toVTR AES Output en Channels 1 amp 2 For more details about video audio connections please refer to AJA KONA User Guide Switch on power by momentarily pressing on power button Note that keeping this button pressed for few seconds initiates system shut down If VQTS 200 remote operation controls via network are required then please install enable and use ubiquitous software tools such as Microsoft Windows Remote Desktop or similar It is recommended to use only local controls and local hard drive folders it is desirable to limit network operations to copying archiving the resulting files after their creation 2010 2012 by VideoQ Inc all rights reserved VQTS 200 User Manual Features and Parameters 6 3 Features and Parameters Main Features e Complete self contained Video Quality Test System to measure the objective quality of cameras and or video processors e 2U case with hardware and software modules of a PC running Windows 7 OS e Comprised of the following modules Core PC hardware including high capacity high speed HDD RAID AJA KONA Vid
3. If necessary connect network cable optional Install VQTS 200 copy protection dongle into any available USB slot VQMAS3 is a copy protected program using uniquely encrypted USB dongle matched with the copy of your executable as installed This dongle must be inserted into USB port of the VQTS PC where VQMAS3 is installed whenever the VQMA3 EXE is running In case of loss or damage of this USB dongle VideoQ reserve the right to revoke the license YV Please note that when the dongle is not connected the protected application will stop running If you purchased several VQTS 200 systems or several VQMA3 licenses the dongles and VQTS 200 cases are mutually interchangeable within the user s premises The VQTS dongles will not work with the VQMA software executables purchased separately from VQTS 200 systems VQTS dongles installation on networked computer system LAN or WAN is not possible 2010 2012 by VideodQ Inc all rights reserved 5 VQTS 200 User Manual Hardware and Software Installation System is now ready for powering on Connect video and audio cables as needed typically only mint HDMI and or SDI connectors LHi Breakout Cable 60 pin connector To KONALHI LSe Mini HDMI Input 1 and Ouput 1 LHi Digital Video Audio SDI Input BNC gt Connectors be SDI Output BNC Reference Input BNC Analog Video reen oP vicvas in Bnc TL PF Pb Y in BNC ENG JF Pr C in
4. bit A D 2010 2012 by Video Inc all rights reserved VQTS 200 User Manual Specifications 14 e Audio inputs XLRs via break out cable Digital 2 channel 16 24 32 bit AES EBU 48 kHz sample rate Synchronous or Non synchronous Internal sample rate conversion 16 24 32 bit SMPTE 259 SDI embedded audio 8 Ch 48 kHz synchronous Analog 2 channel balanced input 24dbu Full scale Digital OdbFS 16 24 32 bit A D 48 kHz sample rate 0 2db 20 to 20 kHz Frequency Response e Audio outputs XLRs via break out cable Digital 2 channel 16 24 32 bit AES EBU 48 kHz sample rate 16 24 32 bit SMPTE 259 SDI embedded audio 8 Ch 48 kHz synchronous Analog 2 channel balanced input 24dbu Full scale Digital OdbFS 16 24 32 bit D A 48 kHz sample rate 0 2db 20 to 20 kHz Frequency Response e Video Formats SD 525i 29 97 625i 25 HD 720p 23 976 24 25 29 97 30 50 59 94 60 10801 25 29 97 30 1080psf 23 976 24 25 29 97 30 1080p 23 976 24 25 29 97 30 50 59 94 60 2010 2012 by VideoQ Inc all rights reserved VideoQ Inc
5. copy of the edited INI files VQMA3 INI file contains all tolerance target values used by VQMA3 analyzer to do quality check decisions i e raising the pass fail flags for particular video parameters VQMA automatically detects 1080 or 720 format of the YUV video file but always uses the same INI file The VQMA3 INI file must be present in the program folder it is editable so the user can input customized tolerance values for any parameter If the INI file is not found in the program folder then it is created automatically by VQMA3 EXE with the default tolerance values VQMA3 INI file name is reserved and cannot be modified The content of the INI files can be edited using any text editor like Notepad to apply the tolerance values more appropriate for the particular device or system under test It should be done with caution because the list of parameters and units of measurement codes should not be modified Only actual numerical values e g frequency response drop for some particular frequency can be amended For example the MIN tolerance for 300 tvl burst can be changed from 1 dB default to 3 dB It is recommended to store customized INI files under the names which are different from the reserved ones e g MY_1080 INI To use these customized INI file simply rename a copy of the selected file MY_1080 INI to VQMA3 INI overwriting the default file It is also advisable to keep a backup copies of the original files thus a
6. VOTS 200 Video Quality Test System Version 1 2 User Manual VA VQTS 200 Video Quality Test System by Video Q Inc Complete self contained unit combining hardware and software tools Comprised of Test Signal Generator Module Video Capture Module and VQMA fully automated Software Video Analyzer to measure the quality of composite video signal Ideal tool for composite video link facilities and video development labs instantly revealing your video system performance VQTS 200 User Manual 2010 2012 by VideodQ Inc all rights reserved All rights reserved No parts of this work may be reproduced in any form or by any means graphic electronic or mechanical including photocopying recording taping or information storage and retrieval systems without the written permission of the publisher Products that are referred to in this document may be either trademarks and or registered trademarks of the respective owners The publisher and the author make no claim to these trademarks While every precaution has been taken in the preparation of this document the publisher and the author assume no responsibility for errors or omissions or for damages resulting from the use of information contained in this document or from the use of programs and source code that may accompany it In no event shall the publisher and the author be liable for any loss of profit or any other commercial damage caused or alleged to have been c
7. an be printed on any standard printer installed in Windows Control Panel it is recommended to use pre installed PDF Factory printer to produce reports in PDF format For more details about the VOMA Analyzer operation YUV files formats and editing of INI files see separate VQMA User Manual In some cases VQTS system can not complete the test procedure for example if input signal is very unstable or any one of video cables is disconnected In such case the corresponding warning text message will be displayed VQMA Off line Analyzer VQMA icon on the desktop serves for off line analysis of YUV files captured earlier for off line VQMA mode the AJA Control Panel settings Machina status and or input signal presence are irrelevant 2010 2012 by VideoQ Inc all rights reserved VQTS 200 User Manual Configuration and Customization 12 5 Configuration and Customization VQMAS3 INI Files Customizable INI files allow editing of file locations system parameters and the tolerance values used There is only one main VQMA3 INI file located in the C VQTS folder together with all executables Configuration management of the whole VQTS 200 system is performed via direct editing of the INI files The files can be edited using any text editor such as Notepad but this should be done with caution and by advanced users only Improper editing of these files may result in complete system failure it is advisable to keep a backup
8. aused directly or indirectly by this document Author Victor Steinberg Printed November 2012 in Santa Clara California USA Revision History Revision Date Description 1 1 2010 June Release 1 2 2012 March Release VQTS 200 User Manual Table of Contents 1 introduction and Overview mee aaa 2 2 Hardware and Software Installation ccccccceceeeseeeeeeeeeeeeessenecenseeeeeeees 4 3 Features andsPanametens E E E E reeee ee 6 A CPS EAU OTN area aaa reece reEEE DERE LEI DS 7 5 Configuration and Customization sssssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnna 12 EE EAEE eeo E 13 2010 2012 by VideoQ Inc all rights reserved VQTS 200 User Manual Introduction and Overview 2 1 Introduction and Overview VQTS 200 is an advanced Video Quality Test System that consists of a calibrated test signal generator high precision video capture device and sophisticated video performance analyzer VQTS 200 is housed in the 2U case combining hardware and software modules of a PC running Windows 7 64 OS This case can be rack mounted or used as a stand alone pedestal unit VQTS 200 is equipped with AJA KONA LHi card providing for HDMI v1 3a and 3G SDI video inputs and HDMI 3G SDI video outputs VideoQ VQTS VQMA capture and analysis software supports in on line mode only two two resolutions 1920x1080 and 1280x720 for a variety of frame rates progressive and interlaced It also supports the corresponding DVI formats
9. eo Capture and Playback Module VQTS CP Preview and Capture Control Panel Software VQMAS VideoQ Software Video Analyzer e Single click on the VQTS Control Panel launches complete test procedure e Video data are captured into YUV file for expedient quality test e Optional YUV files archiving for further detailed analysis e Nearly instant few seconds automated measurement of the video signal performance e Short Test Report data which can be appended to machine readable log file with time and date stamps e Off line Windows GUI Mode Analysis of captured video files with optional PDF print out of detailed report e Customizable INI files allow editing of file locations and video quality tolerance values The following parameters are measured and or displayed e Geometry Scaling Position Tilt Keystone e Levels Black White Color Balance Gamma e H amp V Shading Levels Spatial Uniformity e Frequency Response in dB vs scalable tvl e UV vs Y Gain Color Saturation e K rating on needle pulse e Comprehensive Noise Analysis 2010 2012 by Video Inc all rights reserved 7 VQTS 200 User Manual Operation 4 Operation There are five major modes of VQTS 200 system software operation e VOTS Preview running AJA Direct Show filters in the background mode e VQMA Automated Measurement using YUV file captured on line e VQMA Off line Analysis without any interaction with any other application e AJA Control Pa
10. llowing to revert to the default values if necessary The process of replacement of the INI files can be automated by usage of conventional batch files or scripts For more details about the INI files see VQMA User Manual 2010 2012 by VideoQ Inc all rights reserved 13 VQTS 200 User Manual Specifications 6 Specifications e 2U case Weight 10 kg Dimensions D x W x H 560 mm x 430 mm x 89 mm 22 x 16 9 x 3 5 Detachable handles for easy carrying installed Detachable front cover with lock installed Detachable rack mount ears and rails supplied e PSU Single 460 Watt 115 230 V 50 60 Hz e Asus P55 SATA3 USB 3 0 GbE ATX Motherboard e 500GB SATA I 7200rpm Boot Drive e 600 GB 150GB x4 SATA2 10k rpm 16MB HDD RAID e USB2 ports x 6 USB3 ports x 2 e Intel Core i5 Processor i5 750 2 66GHz 8MB LGA1156 CPU e 4 GB RAM e DL RW DVD Drive e Video inputs Digital BNC HD SDI SDI SMPTE 259 292 296 HD SDI 1 5Gbs and 3G SDI 3Gbs mini HDMI HDMI v1 3 30bits pixel RGB or YUV 2 25Gbs SD HD 1080p50 60 Analog BNCs via break out cable HD and SD YPbPr RGB SD YPbPr RGB component mode CVBS YC composite mode 12 bit A D e Video outputs Digital BNC HD SDI SDI SMPTE 259 292 296 HD SDI 1 5Gbs and 3Gbs mini HDMI HDMI v1 3 30bits pixel RGB or YUV 2 25Gbs SD HD 1080p50 60 Analog BNCs via break out cable HD and SD YPbPr RGB SD YPbPr RGB component mode CVBS YC composite mode 12
11. nel manual configuration of inputs and formats e Machina DVR capture or play back of video audio files stored on RAID HDD The VQTS 200 system modules can be launched at any moment in any one of these modes Moreover some modes can be used in combination e g VQMA automated measurement function can be performed whilst examining with another instance of VQMA executable YUV files created earlier or Machina DVR can play out video frames sequence whilst VQMA is doing off line analysis Note that due to hardware limitations VQMA C test pattern play out via Machina can not be combined with VOTS VQMA capture and consequent automated analysis Thus whilst running VOTS VQMA online the Machina application should always be on stop On top of Machina application window there are three self explanatory tabs Play Capture and Setup To provide full compatibility with VQMA analyzer it is highly recommended to use only UYVY 422 8 bit YUV frame sequence format for Machina capture and playback Thus folders containing multiple YUV frames can be used both for playback and for VQMA analysis Uninterrupted Capture and Playback without drop freeze is possible only on RAID HDD drive D The D video folder and corresponding sub folders are allocated for the storage of YUV file sequences This folder also contain VQL pre installed library of VideoQ Test Patterns Play out of uncompressed VQL files via Machina allows usage of VQTS200 system as a po
12. nel settings vs actual input signal format VQTS Control Panel will show correct information about input s but preview capture functionality may be affected Thus it is advisable to use AJA Control Panel presets for quick re configuration of system inputs and formats prior to operation Pre installed XnView application is suitable for fast browsing and previewing of captured single frame YUV files or VQL test patterns stored on D drive 2010 2012 by Video Inc all rights reserved VQTS 200 User Manual Operation 10 VQTS 200 system desktop displays two control icons 1 VQTS Control Panel serves for on line preview and control 2 VQMA Analyzer launches the off line analysis tool VQTS Control Panel contains two radio buttons for HDMI or SDI input selection two information boxes showing the presence and format of both inputs plus five control buttons Check Inputs Preview Analyze Exit and About These functions are self explanatory Z Video VQTS200 xj Z videoo voTs200 xj Input Selected Input Selected HDMI 1080p_5994_A HDMI 1080p_5994_A Pai Csi No Signal Check irous C SDL 1080p 5394A sam 1 2 1 VQTS Input Preview enables the input video monitor window 2 VQMA Analyzer launches the on line analysis tool Note that VQTS control panel does not permanently check the presence or formats of both inputs These messages are updated only when the user clicks on Check Inputs bu
13. outside e g received via LAN WAN FTP transfer from another VOTS system or even from third party video capture system decoder hardware or software processor VQTS 200 system relies on the unique VQMA C Test Matrix Pattern This test signal is not permanently present on VQTS 200 video outputs However it can be played out via Machina to feed the device or system under the test For this purpose the corresponding sequence of video frames should be permanently played out in a loop mode Alternatively the VQMA C reflectance chart or VQMA C transparency should be positioned before video camera thus feeding the test pattern into the System Under Test 2010 2012 by VideoQ Inc all rights reserved 3 VQTS 200 User Manual Introduction and Overview VQMA3 Test Reports Camera Under Test Captured VQMA C YUV File In any case the output of the device or system under the test should be routed to the VQTS 200 HDMI DVI or SDI video input VQMA C Test pattern shown below consists of 6 large bands dedicated to measurements of different parameters Test Is P ters iais Oblique Bursts and Vertical Resolution Wedges 0 ColorBars 1 UV Vectors Grayscales Black amp White Levels Near Whites Y Gamma Noor Bissis 3 Y Range Overload Multi Burst 4 Frequency Response Y vs UV Gain 2T pulse K rating Geometry Scale Position Tilt Keystone Sharpness Focus Shading VQMA C contains 6 relativel
14. tton This button is disabled if preview window is active so the update is possible only when Preview window is closed 2010 2012 by VideodQ Inc all rights reserved 11 VQTS 200 User Manual Operation VOQOTS Preview Window It shows full size unscaled real time input video from the selected input Preview mode is especially useful for checking the input signal and rough input quality estimation e g during camera adjustment video link set up or maintenance works Input Preview and Automated Measurements modes presume the presence of test pattern signal at least on one of two VQTS 200 system inputs which is normally the case In both inputs are not present the Preview and Analyse buttons are disabled and grayed out VOTS VOMA Auto Measurement e Launch automated test by clicking on VQTS Control Panel Analyse button The Preview Window showing input signal should appear for few seconds Results of the automated test are available in approximately 2 3 seconds VQMA3 analyzer GUI window will be open always on the results summary page PASS or FAIL on this page means that the signal quality does or does not match all target tolerances specified in VQMA3 INI file Mismatch of just one parameter e g white level results in FAIL result In this mode it is possible to view more details about particular test results and produce detailed report documents with waveform diagrams noise spectrum diagram etc The multi page report c
15. werful real time Test Pattern Generator Significant advantage of uncompressed YUV format is that any playout frame rate could be easily selected via Machina Setup Playout tab For more details about the VQL Test Patterns see separate VOL Presentations 2010 2012 by Video Inc all rights reserved VQTS 200 User Manual Operation 8 Machina Capture Window Controls are shown below AJA Machina Clip Options Clip Name Reel Name Sequence Offset 000000 Create New Folder Per Sec Abort on Dropped Frames Capture Now Capture Status Offline 2010 2012 by VideoQ Inc all rights reserved 9 VQTS 200 User Manual Operation Machina Playout Window Controls are shown below AJA Machina File Options 8 bit YUY 4 2 2 2Vuy 5861 Frames Look Up Table Cmpty aes a CAN P mit i ai Woe i tt Kona Status Active 1920x1080 29 57 Single Link SD Single Link SD Component SMPTE Playout controls are in Machina Play Edit window It is possible to play once loop forward or loop forward backward Moreover it is possible to play with variable speed For VQL test patterns the most suitable playout mode is typically loop forward Note that play out video always appears on both outputs HDMI and SDI but for capture the input selection is done via Setup Capture tab For more details about the Machina operation see separate KONA_PC_Manual Note that in case of conflict between AJA Control Pa
16. y large bands so it remains suitable for accurate measurements even after low bitrate coding and severe position and or scaling errors e g Zoom out down to 50 or overscan up to 105 Dynamic version of VQMA C test pattern includes also the spinning clock handle in the upper left part of the test pattern video image it replaces the oblique frequency burst Clock handle advances one dial division every video frame and dial center flashes green every second This provides useful visual hint indicating that the video link is not broken i e image is not frozen This component of the test pattern does not affect any video quality measurement procedures or measurements results 2010 2012 by VideoQ Inc all rights reserved VQTS 200 User Manual Hardware and Software Installation 4 2 Hardware and Software Installation The VQTS 200 is a turn key system supplied complete with pre installed hardware and software modules No additional software installation is required for normal VQTS 200 system operation Install the VQTS 200 either stand alone or on the 19 rack shelf Installation of additional hardware or software modules others than supplied explicitly by VideoQ is permitted but VideoQ will not take any responsibility for possible hardware software failures or conflicts as a result of thereof thus potentially inhibiting normal VQTS 200 system operation Connect power feed and all standard PC I O devices display keyboard mouse
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