High Definition Videoconferencing
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www.orbitone.com
Raas van Gaverestraat 83B-9000 GENT, Belgium E-mail [email protected] Website www.orbitone.com
Tel. +32 9 265 74 20Fax +32 9 265 74 10VAT BE 456.457.353Bank 442-7059001-50 (KBC)
3 October, 2009 High Definition videoconference, deep dive
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3 October, 2009High Definition videoconference, deep dive
Agenda
Why videoconferencing Types of videoconferencingLifeSize 200 series modelsMultiple monitorsTechnical guidelinesMeeting Room adjustmentsAdditional equipment
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3 October, 2009High Definition videoconference, deep dive
Why videoconferencing?
Videoconferencing is the ideal solution todramatically lower travel costsimprove time efficiency
Meet more regularly with your teams, partners, customers
Green, less CO2 emissions!
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Market & competition
The professional videoconference market is headed by 4 companies:Polycom www.polycom.comTandberg www.tandberg.comLifeSize www.lifesize.comCisco Telepresence www.cisco.com
LifeSize delivers superior quality flexibility at unmatched price performance
Cisco is out of competition, and delivers incredible telepresence solutions at incredible prices (> 100k)
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Types of videoconferencing
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3 October, 2009High Definition videoconference, deep dive
Web conferencing
Starting at €50 Use from any location Low to medium quality, not guaranteed Good for short conversations,
where eye-contact is not essential
Popular softwareSkypeLive Messenger Office CommunicatorGoogle TalkWebExLiveMeeting….
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HD Videoconferencing
Starting at €8.000 Meeting room, large screen High quality, for short to long meetings Eye-contact possible
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Telepresence
Starting around €200.000 Dedicated, specially designed telepresence room Very high quality,
for medium to long meetings Near-real-experience,
feels like the person is present
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LifeSize 200 series models October 2009
* Prices excluding VAT, monitor, installation and support contracts.
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LifeSize Express 200
€6.499 * No multipoint Dual monitor (2nd monitor only for PC signal) Up to 1280x720 resolution, 30 frames/sec
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LifeSize Team 200
€10.299 * (with dual micpod) €11.199 * (with phone system) 4-way multipoint Dual monitor support Up to 1280x720 resolution, 30 frames/sec
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LifeSize Room 200
€15.899 * 6-way multipoint Up to 1920x1080 pixels at 30 frames/sec Dual monitor support
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High Definition videoconference, deep dive
LifeSize Phone
€1.099 * Very good audio quality, even in less ideal situations Ideal for larger rooms 16 microphones circular array Use stand-alone
Alternative to Polycom SoundStation Or connect to LifeSize Team/Room
Power over Ethernet (PoE) Connect to VoIP PBX
SIP, H.323 Also compatible with analogue phone line
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Typical scenario
International company with 3 offices:Brussels (headquarters)New-YorkLondon
LifeSize Team 200 in Brussels LifeSize Express 200 in New-York and London
Total cost Including 50” Plasma monitors, installation and 3-year support contract
Approximately €45.000 excl VAT
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Contact us!
Demo
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MonitorsPopular models
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SAMSUNG 400MX-2 40” LCD
Resolution 1920x1080 (full) €1.492, includes
HDMI interfaceSpeakers
Different mounting availableTable/cabinetFloor standMobile standWall mount
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Panasonic TH-50PH11EK 50“ lasma
Resolution 1366x768 (HD ready) €1.990, includes
HDMI interfaceSpeakers
Different mounting availableTable/cabinetFloor standMobile standWall mount
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Panasonic TH-58PF11EK 58“ Plasma
Resolution 1920x1080 (full HD) €5.290, includes
HDMI interfaceSpeakers
Different mounting availableTable/cabinetFloor standMobile standWall mount
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Multiple monitorsAdvantages of a 2nd monitor
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Multiple monitors
PowerPoint presentationThe speaker on the left screenThe PowerPoint (PC signal) on the right screenYourself in the small window on the right bottom of the left screen
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Multiple monitors
3-way conferenceParty one on the left screenParty two on the right screenYourself in the small window on the right bottom of the left screen
Not available on LifeSize Express System automatically detects active speaker
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Multiple monitors
4-6 way conferenceThe speaking party on the left screenThe other 2 meeting rooms on the right screenYourself in the small window on the right bottom of the left screen
Not available on LifeSize Express System automatically detects active speaker
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Technical guidelines
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SD vs HD quality
Standard Definition (HD)Since 199?Up to 768x432 pixelsUp to 30 frames per second
High Definition (HD)since approx 2006Up to 1920x1080 pixelsUp to 60 frames per secondAllows for eye-contact
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ISDN vs IP
Old technology: ISDN64k per channelExpensive in usageLimited to low bandwidth (mostly up to 384k)Call initialization typically takes 30-60 seconds
Now and future: IP over InternetUnlimited bandwidthFlat-fee, no usage costsClick and connect, no waitingNo guarantees, unless you have end-to-end QoS
All new models support IP, Some organisations only allow for ISDN calls
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Multipoint (MCU)
Conference between two meeting rooms is called point-to-point. Does not require any special equipment, one room simply calls the other.
Simultaneous videoconferencing among three or more remote points is possible by means of a Multipoint Control Unit (MCU).
Types of MCU:Embedded in a video endpoint
•High-end videoconference systems, such as the LifeSize Team 200 and Room 200 have a build-in MCU.
•Up to 4 or 6 participants.Dedicated MCU
•Located in datacenter / server room•12-48 participants•Extra functionality such as recording, web-sharing, ...•Popular brands:
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Transcoding
Without transcoding, all participants get video and audio quality of the least powerfull device
With transcoding, everyone gets the best possible quality
Video transcodingReal-time conversion of video resolution between videoconference participants.
Audio transcodingReal-time conversion of audio codex and quality between videoconference participants.
Bandwidth transcodingReal-time conversion of connection bandwidth between videoconference participants.
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Bandwidth usage
Some examples128 Kbps (400 x 244 pixels) Widescreen FCIF 384 Kbps (768 x 432 pixels) Cable TV512 Kbps (848 x 480 pixels) DVD Resolution768 Kbps (1088 x 608 pixels) 2x DVD Resolution1.1 Mbps (1280 x 720 pixels) High Definition1.7 Mbps (1920 x 1080 pixels) Full HD
LifeSize automatically adjusts image quality and frame rate based on available bandwith
Both upstream and downstream are requiredADSL and Cable type connections usually have low upstreamA reliable internet connection is key to success!
Tip: test your connection using http://www.speedtest.net
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Network latency
Latency, a synonym for delay, is an expression of how much time it takes for a packet of data to get from one designated point to another
Type of network links:Fibre links: >1msDSL / cable: >10msSatellite links: >500ms
Latency increases with distanceFibre link from Europe to US: 80-150msSpeed of light is the limiting factor
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Network latency and videoconferencing
Try to keep below 150 millisecondsExcessive latency increases the chances of people "talking over one another" because
they don't realize that the person at the other end has started speaking too. This is less significant in calls with less than 50ms of network latency. It can become very troublesome in calls with more than 150ms.
Reference table< 50ms: humans do not notice any latency50-150ms: small noticeable latency, interactive conferencing still very comfortable150-250ms: noticeable latency, interactive conferencing possible but need users may
need some adaptation (not talk at same time)250-400ms: very noticeable latency, interactive conferencing possible is users wait until
other have finished talking>400ms: interactive conferencing becomes very difficult
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High Definition videoconference, deep dive
Firewall configuration
Public IP address Enable Quality of Service (QoS)!
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Meeting Room adjustments
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High Definition videoconference, deep dive
Table and camera position
Example of ideal configuration
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High Definition videoconference, deep dive
Table and camera position (continued)
Less optimalPeople need to turn their head to face the screen/camera
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High Definition videoconference, deep dive
Table and camera position (continued)
Much better
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High Definition videoconference, deep dive
Select the right monitor size
Distance to monitor:< 2 meter: 37 inch monitor (private offices)2-3 meter: 42 inch monitor (very small meeting room)4-5 meter: 50 inch monitor (small meeting room)5-6 meter: 58 inch monitor (medium meeting room)7-8 meter: 65 inch monitor (large boardroom)> 8 meter: High definition projector (large boardroom)
Especially important to read small text and PowerPoint graphics
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High Definition videoconference, deep dive
Lights
Light on participants faces should be between 700-1000lux (vertical light) with less than 200lux variations in the area. Horizontal light should be between 900-1200lux. The area with the monitor screens should have less than 300lux.
Things to avoidWindows in the camera view (direct sunlight)Spot lightsHalogen lightingColors: (ea. Walls)Avoid primary & hard colors (such as: pure red, pure green, pure blue,.....)Avoid very bright colors (such as bright/pure white)
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High Definition videoconference, deep dive
Lights (continued) Recommendations
Use fluorescent light with a color temperature of 4000K (Kelvin) (ea. Osram 11)Use louvers with reflectors (60x60 - 3 tubes or 120x30 - 2 tubes)
Example : ETAP UI44/318 - 60x60 louver normalized yield 0.57 ; 3 light tubes of 26mm/18W/4000K ; color index : 85 ; 4350 lumen luminance
Use dimmers on all light circuitsUse at least 3 separated light circuits
• One circuit above the table (direct light for participants)• One circuit for the background lighting (Back & Side walls)• One circuit for additional light (ea. near the system cabinet, door entrance,...)
Cover all windows with blinds or curtains.Use a conference table with a 50% reflecting surface (not shining or mirroring). Recommended color
is light grey.Colors:
Use of any color, situated between off-white/beige and light/medium grey. (ea. pastel/pale colors). Recommended : Blue-grey or green-grey color (as they enhances the natural & flesh tones). Most colors mixed with grey are suitable. Avoid too dark colors and those too white. Note: The human eye is not always a good judge for choosing colors; we tend to choose hard colors.
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Sound / Acoustics
The room reverberation time should be conform to the RT60 specs and less then 400ms. The ambient noise in the room should be conform to the ISO 35 (NR) curve.
Things to avoidHard surfaces in microphone pickup ranges , especially windowsHard surfaces are reflectors and create echo!!ea. whiteboard, wooden walls/cupboards/cabinets,..., brick walls, windows, doors,...
Noisy (adjacent) rooms and corridorsNoisy equipment in the room (ie. HVAC - Air-conditioning, printers & fax)Air-conditioning in- and outlets in the microphone pickup ranges usually from the border of the conference table (nearest to the cabinet) up to the back
wall
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Sound / Acoustics (continued)
RecommendationsCEILING
Preferably use a modular T-Grid with acoustic panelsExample : Rockfon Fibral 567, 25mm (60x60)
WALL BEHIND CABINETNo acoustic treatment necessary (may be/preferably a hard surface) if the participants are not in eye contact with each other (color is preferably white or pale)
SIDE WALLS and BACK WALLUse an acoustic absorbing or diffusing tissue. (The sound absorption can be enhanced by also using 10-25mm fiber glass isolation material between the tissue/fabric and the wall.) In case windows need to be covered, use an acoustic curtain. Especially the back wall should be strongly absorbing. Note: mind the colors (see ‘Light’)Example : Cover AplixBlue-Grey ; Ref: Nopal 074 ; absorption factor 0.46 ; acoustic isolation : 6dBExample : Mur de SilenceBlue-Grey ; Ref: M20170 ; absorption factor 0.41 ; acoustic isolation : 4dB
FLOORUse a (preferably antistatic) carpet. Color is not important, but preferably medium/dark grey
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High Definition videoconference, deep dive
Additional equipment
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Document, object cameras
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Table model Ceiliing visualizer
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High Definition videoconference, deep dive
Video-friendly lighting
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Portable Ceiling mounted
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High Definition videoconference, deep dive
www.orbitone.com
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