Emerging Video Technologies & Trends in Education Presented by Todd Johnson Director of Academic Solutions Group Alpha Video & Audio, Inc. is a leading national audiovisual integrator and was selected by Commercial Integrator magazine as one of the Top Five K-12 integrators in the country in 2012.

Your Technology Divisions Division 27 – AV Technology Division 28 –Life Safety Division 29 –Other (TV Studio, Video Over IP…) Bid Your Divisions as Prime – DO NOT BID THROUGH ELECTRICAL – Electrical is Division 26 Require Performance Bond of Prime Bidder Do NOT let Your Technology Divisions bid through Electrical Contractor (Div 26) Saves Money and LOTS of Headaches!

Emerging Presentation Technologies & Trends in Education Analog Sunset – VGA and Analog connectivity eliminated on current devices – HDMI (High Bandwidth Digital Multi-Media Interface – HDCP (High Bandwidth Digital Copy Write Protection) – Duplicate Protection AND Multi-Screen Protection

HDMI Video 7.1 audio HDCP EDID CEC HDMI / DVI / DisplayPort DVI Video HDCP * EDID DisplayPort Video 7.1 audio HDCP EDID * Optional and not supported on most DVI extenders

What is Driving the Future of AV? CONTENT – Where does it come from? – User computers – Video playback devices Cable feed Blu-ray and DVD disc players Video Teleconferencing CODECs – Cameras 5

Computer Evolution PC Manufacturers (and Apple) want two things: – Lower cost – Small form factor RGBHV is expensive and big Manufacturers are moving towards DisplayPort / Mini DisplayPort 6

Video Playback Device Evolution Content providers want one thing: control over their content HDCP is the industry standard HDCP requires a digital video format (i.e. HDMI, DVI, DP) 7

Say “Goodbye” to analog  Content providers have embraced HDCP and manufacturers have embraced DisplayPort and HDMI  Content provider support and set-top boxes  MPAA (Motion Picture Association of America) is petitioning the FCC to block movies from being transmitted via analog outputs  Feature support  1080p and Deep Color are only supported by HDMI formats

Apple MacBook

HDCP The role of HDCP (High Definition Content Protection) is to prevent interception and copying or other unauthorized use of this bitstream The content protection chain

HDMI Distance and Cable Limitations HDMI signals degrade quickly - distance limitations become an issue  HDMI connectors can’t be easily field terminated » Difficult to run through walls

HDMI How Does HDCP Work?

HDMI How Does HDCP Work?

Slow HDMI Switching = a Bad User Experience Click

Switching HDMI to Multiple Displays = Problems Click Using a standard HDMI switcher

HDMI Pre-Authorized Keys

HDMI Content cannot Be displayed Content cannot Be displayed HDMI Sources Have Display Limitations

My Native Resolution is 1920 x 60 Hz but I will also accept 1920 x 60, 75, 85, Hz E-EDID ENHANCED Extended Display Identification Data

Multiple Displays = EDID Resolution Conflicts 1080p 2Ch Audio 1080i 2Ch Audio 5.1Ch Audio EDID What to send to the source?

Top 10 Professional System Challenges 1.Cable installation (infrastructure) 2.Seamless support for analog and digital 3.HDCP (High Definition Content Protection) 4.Slow switching 5.Managing resolution and format (EDID) 6.Managing audio 7.Managing consumer electronics control (CEC) 8.Distance limitation 9.Expandability 10.Testing and troubleshooting

Summary –Check List HDMI at Wall Plate HDMI on Projector/Display # of Simultaneous Displays # of Sources Types of Sources Speed of Switching Required

Thank You! Questions? Presented by Todd Johnson Director Academic Solutions Alpha Video & Audio, Inc. is a leading national audiovisual integrator and was selected by Commercial Integrator magazine as one of the Top Five K-12 integrators in the country in 2012.