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HDMI (High-Definition Multimedia Interface)

HDMI (High-Definition Multimedia Interface). What is HDMI? Background Info Review Terminology Explain Operation Advantages. Background Information. Analog Television : Traditional NTSC “NOISE” Higher Bandwidth. Background Information. Digital Televison : Developed: Early 90s

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HDMI (High-Definition Multimedia Interface)

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  1. HDMI (High-Definition Multimedia Interface) What is HDMI? Background Info Review Terminology Explain Operation Advantages

  2. Background Information • Analog Television: • Traditional • NTSC • “NOISE” • Higher Bandwidth

  3. Background Information • Digital Televison: • Developed: Early 90s • Feb 17, 2009 • ATSC • LOWER BANDWIDTH= • BETTER PICTURE & SOUND • QUALITY

  4. HDTV (High Definition Television) • HDTV: • DTV @ low bandwidth frees space for HDTV • ATSC • Resolution • 720p/ 1080i/ 1080p

  5. Terminology • Analog TV – encoded A/V information transmitted via analog signal; function of amplitude & frequency • Digital TV – developed in 1990s, allows for better quality TV & more programming choices • HDTV – Broadcast at higher resolution (720p or higher)

  6. Terminology • Resolution – measures an images detail in pixels • Bandwidth – aka bit rate, measures how much data can be transmitted over a medium • I “Interlaced” – odd & even lines in frame drawn alternately • P “Progressive” – all lines in frame drawn in sequence; requires higher bandwidth

  7. HDMI: What is it? A compact A/V connector interface for transmitting uncompressed digital streams The physical cable which connects an A/V source (i.e. Blu-Ray Disc Player, Set Top Box) with a monitor (i.e. television).

  8. Steps to Attaining High Definition • Purchase a television that is HD ready, meaning television capable of achieving a 1080p or FULL HD resolution. • Purchase the High Definition service from your cable provider • Connect television/monitor to cable converter box using HDMI cable.

  9. Alternatives to HDMI cables

  10. PROTOCOL / SPECS • TMDS • 8b/10b encoding • Differential signaling • Video Data Period • Data Island Period • Control Period • Consumer Electronic Channel (CEC)

  11. ANY QUESTIONS?

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