Into the Future with Portable AT

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Closed Captions on New Digital Platforms
So many choices, so little access A report
from the 2007 Consumer Electronics Show
Larry Goldberg, Director Media Access Group at
WGBH
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An array of devices

• IPTV
• HD-DVD and BluRay
• Smart PC
• Smart Home
• Zune and iPod
• Slingbox
• Large and small screens
• Cellphones and PDAs
• A-VSB, et al. for mobile DTV

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An array of standards

• NTSC/ATSC (CEA 608 and CEA 708)
• Component video
• HDMI (High Definition Media Interface)
• WiFi (802.11n)
• FireWire (1394)
• Streaming Media (QuickTime, WMP, Real, Flash)
• Streaming Text (QTtext, SMIL, SAMI, ccFlash)
• New W3C standard Timed text (DXFP)

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Whos responsible?

• FCC regulations
• Marketplace
• Standards bodies (SMPTE, ATSC, HDMI)
• Trade associations (CEA, CERC, MPAA, NCTA, MPAA)

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Whos responsible?

• You
• Me

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Larry Goldberg, DirectorMedia Access Group at
WGBHLarry_Goldberg_at_WGBH.orgaccess.wgbh.org