HD Content
High-definition image sources include terrestrial broadcast, direct broadcast satellite, digital cable, high definition disc (BD), digital cameras, internet downloads and the latest generation of video game consoles.
- Most computers are capable of HD or higher resolutions over VGA, DVI, and/or HDMI.
- The optical disc standard Blu-ray Disc can provide enough digital storage to store hours of HD video content. Digital Versatile Discs or DVDs (that hold 4.7 GB* for a Single layer or 8.5 GB* for a Double layer), look best on screens that are smaller than 36 inches (91 cm), so they are not always up to the challenge of today's high-definition (HD) sets. Storing and playing HD movies requires a disc that holds more information, like a Blu-ray Disc (which hold 25 GB* in single layer form and 50 GB* for double layer) or High Definition Digital Versatile Discs HD-DVDs which hold 15 GB* or 30 GB* in single and double layer, although they are now almost defunct after losing the fight, to become the industry standard for High-definition media, to the Blu-ray Disc. * = Gigabyte = 1 Billion bytes
Blu-ray Discs were Jointly developed by 9 initial partners including Sony, Phillips (which developed CD's),and Pioneer (which developed its own Laser-disc previously with some success) among others. HD-DVD discs were primarily developed by Toshiba and NEC with some backing from Microsoft, Warner Bros., Hewlett Packard, and others. On February 19, 2008 Toshiba announced it was abandoning the format and would discontinue development, marketing and manufacturing of HD-DVD players and drives.
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