"user manual"
Contents
1. LC audio with video and audio in both directions H 239 also interoperated correctly The received audio level was measured as peaking to 4dBm 17 Nar Procedure for making a call Press Call button on the remote control Select connection speed quality the system defaults to auto Input IP address or E 164 number Press the OK button Or use the Local Contacts directory available from the user interface A recent call lists is also available Appendix 1 Detailed Physical Information Dimensions wxhxd 37x4 8x 22cm Video Inputs Type Connector Main HD camera Digital HDMI Second HD camera Digital Firewire PC Digital Analog DVI I RGB Video Outputs Type Connector Main monitor Digital HDMI Dual monitor Digital DVI I The Main Monitor HDMI output includes embedded audio Audio Inputs Level Connector Desk microphone Line RJ45 Speakerphone External microphone Microphone mini jack input with echo canceller Auxiliary stereo left Line mini jack Auxiliary stereo right Line mini jack Audio Outputs Level Connector Main audio left and right Digital HDMI Main audio left and right Line Mini jack Data 1 1 off LAN 10 100 Mbits s Ethernet connection RJ45 1 off Networker ISDN Gateway connection RJ45 1 off USB slot future use 1 off RJ11 analogue telephone line input 1 off RJ45 LifeSize Phone microphone conference phone AB WN 18 a Supplied 1 off 3 metre HDMI HDMI camera cable 1 off 3 met2. Mbit s 1280x720 60 1920 x 1080 30 CODEC Display Resolution set to 10801 Camera Video Motion Sharpness Mode Connection Resolution Frame rate Resolution Frame rate Bandwidth 128 Kbit s 432 x 240 30 1280 x 720 1 384 Kbit s 912x512 30 1920 x 1080 5 768 Kbit s 1280 x 720 30 1920 x 1080 10 1 Mbit s 1480 x 832 30 1920 x 1080 15 2 Mbit s 1920 x 1080 30 1920 x 1080 30 3 Mbit s 1920 x 1080 30 1920 x 1080 30 4 Mbit s 1920 x 1080 30 1920 x 1080 30 6 Mbit s 1920 x 1080 30 1920 x 1080 30 Single and dual picture monitors are supported together with HDMI and DVI I high definition outputs The HDMI connection includes the main audio output signal but additional analogue audio outputs are also provided The main video output includes on screen menus and the soft key icons corresponding to the four colour coded buttons on the remote control Name Conference Room IP 129 REDIAL i c Conference Room VTAS Lifesize Team i Video Call Voice Call UoE Holyrood LG2 J Conference Room i g Easter Bush re Theatre J 129 6000 kb s 3 49pm Call 0 09 38 we Main Menu Both Picture in Picture PIP and Picture outside Picture POP display formats are offered which allows both near and far end images to be displayed simultaneously on a single picture monitor u l Conference Room 129 r t Far Image Full Screen Near Image Picture in Picture PIP with Menu Overlay Side by Side Far and Near I
3. kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 1 1 1 1 1 BLR 1 1 1 1 1 CLR 1 1 1 1 1 Test 2c H 264 Grey scale Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 1 1 1 1 1 BLR 1 1 1 1 1 CLR 1 1 1 1 1 Test 3c H 264 Blue screen Any waveform aberrations None Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 1 1 1 1 1 CLR 1 1 1 1 1 21 Test 4c H 264 Medium close up female still Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 1 1 1 1 1 BLR 2 2 1 1 1 CLR 1 1 1 1 1 Test 5c H 264 Medium close up female talking Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s LS 2 1 1 1 1 BLK 3 2 1 1 1 BLR 2 1 1 1 1 CLR 1 1 1 1 1 JRK 1 1 1 1 1 Test 6c H 264 Close up head nodding Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 3 2 1 1 1 BLR 2 1 1 1 1 CLR 1 1 1 1 1 JRK 1 1 1 1 1 Test 7c H 264 Close up head shaking side to side Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 4 3 2 1 1 BLR 3 3 2 1 1 CLR 1 1 1 1 1 JRK 1 1 1 1 1 22 Test 8c H 264 Medium close up slow zoom out to three shot Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 2 2 1 1 1 BLR 2 1 1 1 1 CLR 1 1 1 1 1 JRK 1 1 1 1 1 Test 9c H 264 Three shot quick zoom in to medium
4. objective level measurement was not possible Test 4 Echo Cancellation Setup The echo canceller is fully automatic in operation The quality of echo cancellation and doubletalk was very good Lecture Theatre Room Audio levels adequate Yes No Not tested Y Audio quality acceptable Yes No Not tested Y Echo cancellation acceptable Not tested Y Yes No Quality of double talk Not tested Very Good 26
5. tilt or zoom functions to reinitiate auto focus and thus correct the errors The CODEC supports both remote camera control and remote video source selection A PC may be interfaced directly via the DVI I VGA connector on the rear of the CODEC Although no supported resolutions or frame rates are specified we observed successful connections at the following resolutions VGA DVI I 800 x 600 800 x 600 1024 x 768 1024 x 768 1280 x 720 1280 x 720 1280 x 768 1280 x 768 1280 x 800 1280 x 800 1280 x 1024 1280 x 1024 1360 x 768 1680 x 1050 1920 x 1080 During an H 323 call a second unidirectional video channel dual stream is provided through the H 239 protocol Thus video from the camera and a PC could be transmitted simultaneously The bandwidth split between main and H 239 channels may be defined by the user The MultiSite MCU offers up to four site H 323 MCU conferences the host 8 Lifesize Team 220 system plus three other remote sites The speed of each site connection is dependent upon the number of sites in the MCU conference and the overall connection bandwidth Audio bridging for telephone calls is also provided into conferences by connecting a standard telephone line to the CODEC Several audio formats are supported by the LifeSize system including the ITU standard MPEG 4 AAC LC giving 16KHz analogue audio The MicPod microphone includes a microphone mute button In larger loc
6. 4 Kbit s was 16KHz AAC LC Objective Video Tests Signal measurements 1 75 EBU bars 2 Grey scale Subjective Video Impairments Tested Lip synchronisation LS Block distortion tiling BLK Blurring reduced edge sharpness and spatial detail BLR Colour errors CLR Jerkiness distortion of smooth motion JRK Object persistence OP lagging images from previous frames as faded or outline images Scene cut response i e time to build up the new image SCR Scale of impairments Imperceptible 1 Perceptible 2 Slightly annoying 3 Annoying 4 Very annoying 5 20 MII Test Tape Signals recorded Time on tape 1 EBU colour bars Imin 30secs 2 Grey scale 1 40 2 40 3 Blue field 2 50 3 50 4 Medium close up female face still 4 00 5 00 5 Medium close up female face talking 5 10 6 10 6 Close up face nodding 6 20 7 20 7 Close up face shaking head side to side 7 30 8 30 8 Zoom out slowly to wide angle three people 8 40 9 40 9 Zoom in quickly to close up of centre person 9 50 10 50 10 Turntable speeds 1 2 3 and 4 11 00 15 30 11 Football sequence 15 40 16 40 12 Zoom in and out of A to Z map 16 50 17 50 13 Text legibility font sizes 20 to 12 pt 20 30 20 50 14 Cut tests scenes various with camera movements 21 00 22 00 15 Man teaching at whiteboard 22 10 23 23 Insert 75 EBU bars at local site measure at remote site Test 1c H264 Colour bar test Subjective Impairments H 323 384
7. APPENDIX 12 01 TEST RESULTS FOR LIFESIZE TEAM 220 Manufacturer LifeSize Model Team 220 Software Version 4 10 0 Optional Features and Modifications None Date of Test 5th 9th March 2012 VT ii Vii If YT i HHI CODEC Front View CODEC Rear View CODEC with Vertical Stand Remote Control LifeSize Phone Desk Microphone Conference Phone ii CONTENTS Page No A EXECUTIVE SUMMARY uesessesssessessoesoessossosssessossosesee 1 B SETUP PROCEDURE ssisscidsceisoisasovscsuascessstessonisoesdecusssslsssesans 3 C HARDWARE DESCRIPTION essessseseseseessescessossesesessoscoessosseseso 3 D SYSTEM OPERATION seaisccdsaivedsencstesvcsievessectsivescetertocttcees 10 E VIDEO TESTS ciishassieteccccescsssssncansnenstocisstanceasescvenasvonioneass 15 Fi AUDIO TESIS _ aasutdenssisecseidovenssieateasssncesoasssogisensoancosioosoasens 16 G DATA TESIS _ ashusvascevsicastnacnennysevosguivenesscstsonvnssesseassensusbouss 16 H CONNECTIVITY scccscisicassogsetnnsecsatcousesendessvcsevsctiasschosonseosossanes 16 Appendix 1 Detailed Physical Information ssoocssooessooosesssossesoo 18 Appendix 2 Detailed Video Tests oecssesesocccssooesssecsesoossseeoosess 20 Appendix 3 Detailed Audio Tests ccsssccsssssscsscsssccsessscesssscoees 26 iii EXECUTIVE SUMMARY The IP capable high definition Lifesize Team 220 conferencing system is designed to be instal
8. Enabled Record and Stream Far Set of Camera Presets Enabled Far Move to Camera Presets Enabled Camera Presets Lock Unlocked Camera Pan Direction Reversed Digital Zoom Disabled Default Primary Input Auto Default Presentation Input Auto Video Snapshots Enabled HD Camera 1 Name HD Camera 1 UN Inmet 4 Mama liin 4 Cy Refresh H Copy HD Input 1 Name Enter the name of the HD device plugged in to the HD 1 input gt LifeSize Team 220 LS_TM2_4 10 0 49 Remote Control x Log out Transferring data from 129 215 19 209 a Screenshot reproduced by permission of LifeSize 14 Remote Web Snapshots with Statistics 4 Call Manager Call Manager i __ 10 06 47 Video Audio receive 4892 5 kb s resolution 1280 x 720 codec H 264 bandwidth 4800 kb s frame rate 0 fis Presentation resolution 1152 x 720 codec H 264 bandwidth 498 5kb s Remote Control x Logout LS_TM2_4 10 0 49 Screenshot reproduced by permission of LifeSize VIDEO TESTS SUMMARY The overall video quality of conference images was good but we preferred the appearance of the default 720p 60 fps images to the higher resolution ones at 1080p 30 fps The quality of standard videoconference type material at 2Mbit s and above was also good but fast moving movie trailer material transmitted on the main channel even at 6Mbit s did appear slightly jerky The auto focus was slow to respond on occasion
9. acent to a picture monitor and the CODEC have their own power supplies and together with the LifeSize Phone and infra red remote complete the package Cabling the system was easy and involved e Connecting the supplied HDMI HDMI and DVI DVI leads between the CODEC and the high definition monitors e Connecting the HDMI cable between the CODEC and the camera e Cabling the Lifesize Phone to the CODEC e Establishing an Ethernet IP network connection through the single RJ45 RJ45 cable e Connecting power to the CODEC and camera from their external power supplies System set up was conveniently configured through the on screen menus via the remote control IP address IP Gateway Subnet mask and Gatekeeper optional address were all entered through these menus Approximate set up time 20 Minutes Documentation quality The documentation was concise and easy to follow and included A printed Quick Reference card with user manual and software release notes on CD The entire set up procedure was straightforward HARDWARE DESCRIPTION General The compact 1U deep CODEC may be cabinet mounted horizontally under a picture monitor or vertically on the supplied stand it cannot be rack mounted The basic system is an IP only unit with a single 10 100 Mbit s auto switching Ethernet connection enabling single site connection speeds of up to 6 Mbit s or multi site MCU connections with a total site bandwidth of 6 Mbit s The Et
10. ations two MicPods may be connected by using a splitter cable Alternatively the LifeSize Phone provides the conference microphone together with a fully featured conference telephone A standard telephone line may be connected to the CODEC or it will operate as an SIP phone To provide basic system control this phone includes a dial pad volume control and a microphone mute button SIP Session Initiation Protocol An international standard for phoning over IP networks SIP also transports video and instant messaging if required LifeSize Phone The LifeSize Phone incorporates 16 microphones in a circular microphone array with beam forming for high directivity The unit can also radiate far end sound through its internal loudspeaker but the speakers on the picture monitor or an external audio system may be preferred for this task Mini jack connectors allow for straightforward integration with standard PC audio via the auxiliary line inputs A Kensington lock is provided on the rear of the CODEC for added security D SYSTEM OPERATION The system may be controlled either locally from the remote control or from another location over the network The system does not include an RS232 port for integration with a room control system Calls may also be initiated and terminated from the LifeSize Phone desktop unit The remote control includes four context sensitive colour coded buttons triangle square circle and return the func
11. close up centre person Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 2 2 1 1 1 BLR 2 1 1 1 1 CLR 1 1 1 1 1 JRK 1 1 1 1 1 Test 10c H 264 Turntable speed 1 Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 2 1 1 1 1 BLR 1 1 1 1 1 CLR 1 1 1 1 1 JRK 1 1 1 1 1 Test 10f H 264 Turntable speed 2 Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 2 1 1 1 1 BLR 1 1 1 1 1 CLR 1 1 1 1 1 JRK 1 1 1 1 1 23 Test 10i H 264 Turntable speed 3 Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 2 1 1 BLR 2 2 2 CLR 1 1 1 JRK 2 2 2 Test 101 H 264 Turntable speed 4 Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s BLK 3 1 BLR 3 3 CLR 2 2 JRK 2 2 DOR Ww Test 11 H 264 Football sequence Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 1 2 1 2 4 Mbit s Nr N 4 Mbit s 1 2 1 1 6 Mbit s N 6 Mbit s BLK 4 3 2 BLR 3 3 2 CLR 2 2 2 JRK 1 1 1 2 2 2 1 Test 12c H 264 Zoom in and zoom out of A to Z map Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s BLK 4 3 BLR 4 3 CLR 1 1 JRK 2 2 Re N 24 4 Mbit s N 1 2 2 1 6 Mbit s _ p je Test 13c H 264 Text legibility of screen height at vie
12. display set to Calls Presentations the monitors display the following images Main Monitor Second Monitor Not in a call Near image menu Source connected to the DVI I input In a call with no Far image menu Near Image presentation material In a call with Far image Near image Presentation material presentation side by side material transmitted or received The LifeSize 10x HD camera features pan tilt and zoom functions with a wide horizontal viewing angle of 70 degrees and connects to the CODEC through the standard 3 metre HDMI cable As an option this cable may be extended up to a maximum of 10 metres Ten camera pre set positions may be recalled from the remote control The camera menu includes a range of manual settings for exposure white balance and anti flicker A second camera may be connected via the CODEC s fire wire type input connector Only 720p cameras are supported and these also require their own external power supply The 10x camera is more sensitive than earlier LifeSize 1080p examples and produces good results at lower lighting levels The operation of the camera Pan and Zoom controls however does generate a significant level of mechanical noise the CODECs cooling fan also generates some noise The auto focus was slow to respond on occasions particularly at wide zoom angles and either locked in or out of focus a slight adjustment was then required to the pan
13. hernet port may be manually configured or set to auto negotiate An optional LifeSize Networker IP ISDN gateway will provide H 320 ISDN connectivity if required This option was not tested during the evaluation The CODEC supports over 200 video resolutions including The basic CIF format resolution of 352x288 pixels wCIF at 400x244 w288p at 512x288 w432p at 768x432 w480p at 848x480 High definition HD w720p i e 1280x720 3 e High definition HD w1080p 1 1920x 1080 The following display resolutions and maximum frame rates are supported 1280 x 720p 1280 x 768p 1920 x 1080p 30fps 1920 x 10801 60fps 60fps 60fps Monitors used during the tests did not support 1080p 30 frames second so all 1080 images were viewed at a display resolution of 10801 60fps The maximum transmitted resolution and frame rate are determined by the display resolution selection and the camera video setting The default settings are 720p and motion CODEC Display Resolution set to 720p Camera Video Motion Sharpness Mode Connection Resolution Frame rate Resolution Frame rate Bandwidth 128 Kbit s 432 x 240 30 1280 x 720 3 384 Kbit s 736 x 416 60 1280 x 720 15 768 Kbit s 1024 x 576 60 1280 x 720 30 1 Mbit s 1232x 688 60 1280 x 720 30 2 Mbit s 1280x720 60 1280 x 720 60 3 Mbit s 1280x720 60 1280 x 720 60 4 Mbit s 1280x720 60 1920 x 1080 30 6
14. lay resulting in lateral distortion of the image An H 239 connection is initiated by selecting Presentation Start through the remote control and the on screen graphical interface The main camera normally occupies one channel and another selected image source the second channel The remote site then receives separate images for display on two monitors During tests between Lifesize Team 220 systems the second H 239 channel achieved a maximum resolution of 1280 x 720 pixels at around 15 frames per second the system statistics do not report H 239 frame rate The connection speed had to exceed 2 Mbit s with bandwidth allocation set to 50 50 camera presentation material to maximise the frame rate Increasing the overall bandwidth to 4 or 6Mbit s did not increase this frame rate above the estimated 15fps it did however improve the overall quality by reducing image artefacts Where frame rate is critical on presentation material consideration should be given to transmitting it on the main channel which will deliver 30 fps Controlling an MCU conference is a simple procedure 1 Select the Call button during a conference 2 Enter the number of the additional site into the call menu or select the site from the directory or the recent call list 3 The additional site will then be connected to the conference Individual calls or all connections may be disconnected using the graphic interface 11 The MCU operates in continuous
15. led either in a small to medium sized conference room or as part of a Rollabout system The system includes a high definition HD Camera microphone s and infrared remote control A four site continuous presence on board Multipoint Conference Unit MCU is included as standard The system is available with 2 camera and 2 microphone options CODEC Camera 200 Dual MicPods CODEC Camera 10x Dual MicPods CODEC Camera 200 LifeSize Phone CODEC Camera 10x LifeSize Phone The 10x Camera has a 10x zoom lens and is more sensitive in low light conditions than the 200 with its 4x zoom The systems supplied for evaluation included the 10x Cameras and the LifeSize Phone desk microphone conference phones The system is capable of conferencing up to a maximum picture resolution of 1920x1080 pixels 1080p at 30fps or 1280x720 pixels 720p at 60fps at a maximum connection speed of 6 Mbit s Compatibility with other H 323 CODECS is achieved across a range of resolutions from CIF 352x288 to 1920x1080 pixels the quality of the conference being dependent upon the capability of the remote CODEC and the speed of connection The default setting of 720p 60 frames per second was used for the majority of the evaluation Pros The sensitivity of the Camera 10x is improved over earlier LifeSize models Dual monitor as standard On board 4 site continuous presence MCU as standard Good compatibility with other CODECS May be used in permane
16. mages Picture outside Picture POP In single monitor mode the layout button on the remote control cycles between a number of screen display layouts Picture in Picture PIP may be set to be On Off or Auto in Auto when a change in the picture is detected the PIP and on screen menu are displayed for a user definable time and then both fade out default fade time is 10 seconds With the main camera only being transmitted there are 3 screen display layout options e Full screen far end image PIP of near end image e Full screen near end image PIP of far end image e Side by side near and far end images When an H 329 presentation image together with the main camera image are either transmitted or received seven screen display layout options are available Large presentation image plus small near and far end images POP Large far end image plus small presentation and near end images POP Large near end image plus small presentation and far end images POP Presentation image full screen plus near and far end images as PIPs Far end image full screen plus presentation and near end images as PIPs Near end image full screen plus presentation and far end images as PIPs Presentation and far end images side by side POP and near end image as a PIP TZOP 6GoO Large Presentation Image Small Far and Near Images POP T2OP GO Side by Side Presentation and Far Images Near Image PIP In dual monitor mode if the second monitor has its
17. nt installations or as a Rollabout Cons Camera mechanical noise Cooling fan noise e Restricted frame rate on Presentation channel Feature Summary Video standards H 261 H 263 H 263 and H 264 Supported video resolutions QSIF 176x120 QCIF 176x144 SIF 352x240 CIF 352x288 4SIF 704x480 4CIF 704x576 720p 1280x720 at 60 fps 1080p 1920x1080 at 30fps Communications H 323 128Kbps 6Mbps H 320 via optional LifeSize Networker Audio standards G 711 G 722 G 722 1 G 728 G 729 Siren 14 and MPEG4 AAC LC 16KHz audio coding Camera 4x or 10x Optical zoom camera PTZ function 1080p native resolution 10 camera presents far end camera control second 720p only camera may be added Video inputs PTZ Camera input 1080p second camera input 720p VGA DVI Input Video outputs Dual monitor support VGA DVI video output HDMI output Audio inputs Lifesize Phone MicPod microphone 2 x stereo line in analogue telephone line Audio outputs HDMI audio output 3 5mm mini jack audio output VC Auxiliary features H 239 second video channel up to 720p resolution in point to point and Multisite calls Only the VGA input may be shared on the H 239 channel Four site internal H 323 MCU supporting Continuous Presence only Lifesize Phone desk microphone speakerphone Encryption AES Encryption SETUP PROCEDURE The camera positioned adj
18. onds Connectivity with Other Machines models listed with comments H 323 Successful connections were made in each direction with the following CODECs at the maximum bandwidth possible where the system supported H 239 presentation material was also shared 16 CODEC Call Resolution Resolution Model and Software Bandwidth Transmitted by Received by Version the Team 220 the Team 220 Polycom VSX7000 2 Mbit s 352 x 288 352 x 288 S W_ 9 0 5 1 Tandberg Edge 95 2 Mbit s 352 x 288 352 x 288 S W_ F9 0 PAL Tandberg 6000 MXP 4 Mbit s 880 x 496 720p S W_ F9 0 PAL Tandberg C40 6 Mbit s 720p 720p S W TC4 2 1 Tandberg C60 6 Mbit s 720p 720p S W TC4 2 1 Tandberg C90 6 Mbit s 720p 720p S W TC4 2 1 Polycom HDX 9002 2 Mbit s 720p 720p S W_ 2 6 0 Lifesize Room 200 6 Mbit s 720p 720p S W 4 7 10 Lifesize Team 4 Mbit s 720p 720p S W 4 7 19 In connections with Tandberg Edge 95 and 6000 MXP systems lower resolutions than the maximum capability of both systems were negotiated Resolution in pixels and their common designation 1920 x 1080 1080p 1280x720 720p 1024x576 w4CIF 704 x 576 576 x 448 512 x 288 352 x 288 352 x 240 320 x 240 4CIF 448p wCIF CIF SIF QVGA Connectivity with JANET Videoconferencing Switching Service JVCSS H 323 The Lifesize Team 220 connected successfully to the JVCS Codian MCU at high definition using H 264 video 720p resolution and AAC
19. presence mode only and at the Team 220 provides a number of screen layouts in Single monitor mode e Traditional quad split of the four sites e Full screen of any site and PIP images of the other three e Large image of the first remote site to connect and POP images of the other three EDINBURGH HOLYROOD Full Screen Site with Multiple PIPs 12 j ayy TLI Ei a KAH a Ta lt b 4 Large Image of the First Connected Site When presentation material is displayed additional layouts are available Presentation Large with Four Sites video POP images 13 EDINBURGH HOLYROOD Presentation with Remote Sites Quad Split Local Site PIP Remote configuration and control is available via a web browser with password protection a useful tool for configuring the system and remote monitoring of calls Call status diagnostic information and web snapshots of input and output images together with the ability to initiate and terminate calls are available through the web interface A fully functional web version of the remote control is also available Remote Configuration Screen Shot LifeSize Team 220 129 215 19 209 Mozilla Firefox e mms oo C EEEEN hitps 129 215 19 209 interface interface php uniqueKey 1331026449804 amp lbrand lifesize amp ikey Preferences lt j Video Video Control k i onference Room 129 215 19 209 Preferences Video Control Video Quality Far Control of Near Camera
20. re HDMI HDMI monitor cable 1 off 3 metre DVI I DVI I monitor cable 1 off 3 metre 15 pin HD D Type male DVI I PC input cable 1 off 10 metre RJ45 RJ45 Lifesize Phone cable 1 off 3 metre RJ45 RJ45 network cable 1 off 3 metre RJ11 RJ11 telephone line cable 2 off IEC power cord OO et OOP ere Mobility The LifeSize Team 220 system is portable lightweight and can be moved easily To establish a connection each new location will need the local network information re entered into the configuration menu 19 Appendix 2 Detailed Video Tests Note The LifeSize Team 220 system supports H 261 H 263 H 263 and H 264 however it is not possible to select the video protocol in calls between LifeSize units In the detailed video tests below only H 264 the default protocol selection between LifeSize units was tested The systems supplied for evaluation did not share the same version of software Main system used for interoperability testing 4 10 0 Second system used for detailed video tests 4 8 3 We were unable to upgrade the second system to the latest software version During the tests the video resolution varied with the connection speed Connection Speed Resolution 384 Kbit s 736 x416 768 Kbit s 1024 x576 2 Mbit s 1280 x720 4 Mbit s 1280 x720 6 Mbit s 1280 x720 For all the following tests at 384 Kbit s the corresponding audio standard was Siren 14 and for all connection speeds gt 38
21. s particularly at wide zoom angles and either locked in or out of focus a slight adjustment was then required to the pan tilt or zoom functions to reinitiate auto focus and thus correct the errors The restriction of presentation channel frame rate to 15 frames per second even at the highest connection bandwidth may require that motion sensitive presentation video has to be transmitted on the main channel 15 AUDIO TESTS SUMMARY Setup The echo canceller is fully automatic in operation The quality of echo cancellation and doubletalk was very good Lecture Theatre Room Audio levels adequate Yes No Not tested Y Audio quality acceptable Yes No Not tested Y Echo cancellation acceptable Not tested Y Yes No Quality of double talk Not tested Very Good DATA TESTS A PC may be directly connected to the CODEC via the DVI I VGA interface CONNECTIVITY Connectivity between Like Machines H 323 There were no problems connecting between the LifeSize Team 220 units During an H 323 call the network connection was removed and reconnected after a specific time 5 Seconds Picture froze successful reconnection call does not terminate 15 Seconds Picture froze successful reconnection call does not terminate 20 Seconds Picture froze successful reconnection call then terminates after 3 4 seconds 30 Seconds Picture froze successful reconnection call then terminates after 3 4 seconds Time to Connect H 323 10 Sec
22. tion of each button is indicated by the on screen menu bar This indication is vital as the function of each button can change depending on how the system is used LifeSize Remote Control tR 10 There are dedicated buttons for Call Hang up Microphone mute Near Far camera Display layout Volume Zoom and Input select Selecting Microphone mute cuts sound both from the microphone and the auxiliary audio input The camera has 10 pre set positions which are stored and recalled via the remote control The system takes two minutes forty seconds to boot up from cold When not in a call the system automatically reverts to screensaver mode after a user definable period of 1 10 20 30 minutes or never Sleep mode may also be activated after 1 10 20 or 30 minutes 1 2 3 or 4 hours of inactivity An incoming call or pressing a remote control button will then return the system to active mode The Statistics menu displays call status data including resolution connection speed compression protocols packet loss and frame rate for the main video channel Frame rate information is not available for the second H 239 channel In wide screen mode a 4 x 3 aspect ratio video image transmitted from a computer is displayed on a widescreen monitor with the familiar black bars on each side of the image To minimise this effect the CODEC has a Video Stretch facility that stretches the image horizontally to fill the available wide screen disp
23. wing distance approx 5x screen diagonal Legibility H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s 20 pt 3 5 Yes Yes Yes Yes Yes 16 pt 3 Yes Yes Yes Yes Yes 14 pt 2 5 Yes Yes Yes Yes Yes 12 pt 2 3 No No No Yes Yes Test 14c H 264 Video with several vision cuts Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s BLK 4 3 2 2 2 BLR 3 2 2 1 1 CLR 1 1 1 1 1 OP 1 1 1 1 1 SCR 3 2 2 1 1 JRK 2 2 2 2 2 Test 15c H 264 Man teaching with flip chart Subjective Impairments H 323 384 kbit s 768 kbit s 2 Mbit s 4 Mbit s 6 Mbit s LS 2 1 1 1 1 BLK 2 2 2 2 1 BLR 2 1 1 1 1 CLR 1 1 1 1 1 JRK 1 1 1 1 1 Test 16 Playback from a domestic VHS videotape player Is picture stable As there is no analogue video input this test could not be carried out 25 Appendix 3 Detailed Audio Tests Test 1 Frequency response 3 dB Insert 6 dB signal at local site measure at remote site G 711 G 722 1 G 722 G 728 G 729 3 56 KHz 7 05 KHz 7 10 KHz 3 54 KHz 3 54 KHz Siren 14 AAC LC 14 00 KHz 16 00 KHz Test 2 Headroom measured on AAC LC connection Insert increasing amplitude 1 KHz tone at local site monitor for overload distortion at remote site Aux output Overload occurs at 10dBm Test 3 Audio level Insert 6dBm 1KHz tone at local site monitor received level at remote site auxiliary output As the system audio output is adjusted by the on screen volume control an
Download Pdf Manuals
Related Search