• Share
  • Email
  • Embed
  • Like
  • Save
  • Private Content
Hdmi
 

Hdmi

on

  • 2,789 views

HIGH DEFINITION MULTIMEDIA INTERFACE

HIGH DEFINITION MULTIMEDIA INTERFACE

Statistics

Views

Total Views
2,789
Views on SlideShare
2,778
Embed Views
11

Actions

Likes
2
Downloads
114
Comments
0

1 Embed 11

http://www.slideshare.net 11

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

    Hdmi Hdmi Presentation Transcript

    • HDMI HIGH DEFINITION MULTIMEDIA INTERFACE
    • INTRODUCTION
      • It is a connector between high definition devices such as Blu-ray disc, a video game console to a compatible digital audio or video monitor such as digital television.
    • GENERAL
      • HDMI encodes the video data into TMDS for transmission digitally over HDMI.
      • TMDS is a channel which carries video, and/or audio through one of three modes;
      • 1. Video Data Period:
      • The pixel of an active video are transmitted.
      • 2. Data Instant Period:
      • Audio are transmitted with a series of packets.
      • 3. Control Period:
      • Occurs between video and data island periods.
      • Different versions of HDMI have been introduced, from HDMI 1.0 to 1.3. Same cable is being used but there is difference in throughput.
    • HDMI VS DVI
      • DVI used for carrying digital video on modern computer monitors and graphic cards. HDMI is backward compatible with DVI and vice versa; but
          • Audio and remote control features of HDMI will not be available.
          • Without support of HDCP on display, the signal source, prevent end user from viewing or recording certain restricted contents.
    •  
    •  
    • SPECIFICATIONS
      • The are electrical and mechanical requirements of the cable and connectors.
      • Connectors:
      • HDMI specifications include three connectors intended for different markets.
          • Standard type A HDMI connectors has 19 pins with bandwidth to support SDTV, EDTV & HDTV modes.
          • A high resolution type B HDMI 1.0 connector has 29 pin.
            • which allows to carry an expanded video channel for use with very high resolution displays.
          • A type C mini connector, intended for portable devices but has the same 19 pins.
      • Cable:
      • HDMI cables are available for type A to type C. It is used to carry video, audio and devices controlling signals.
      • TMDS Channel:
      • Carries videos, audios through three modes;
        • Video Data Period
        • Data Island Period
        • Control Period
      • CEC Channel:
      • It is optional to implement, but wiring is necessary, the channel
        • Uses a industry standard protocol.
        • Used for remote control functions.
        • Is a one-wire bidirectional serial bus.
        • Defined in HDMI 1.0, updated in HDMI 1.2a and again in 1.3a.
    • VERSIONS
      • HDMI 1.0: December 2002
      • Single cable digital audio/video connection, maximum of 4.9 Gbits/sec.
      • HDMI 1.1: May 2004
      • Added support for DVD audio.
      • HDMI 1.2: August 2005
      • Added support for one bit Audio, used on super audio CDs, up to 8 channels.
      • The availability of HDMI type A connector.
      • HDMI 1.2a: December 2005
      • Fully specifies consumer electronics control (CEC) features.
      • HDMI 1.3: June 2006
      • Increased bandwidth to 10.2 Gbits/sec.
      • Availability of a new mini-connector for devices (type C).
      • HDMI 1.3a: November 2006
      • Cable modification for type C.
      • Source termination is recommended.
      • HDMI 1.3b:
      • Testing specification (happening) released on 26 march 2007.
    • CABLE LENGTH
      • No specific cable length.
      • HDMI 1.3 introduces 2 kinds of cables to reduce the confusion about which cable supports which video format.
        • Category 1:
          • Standard or HDTV
          • 28, AWG about 5 meter long
        • Category 2:
          • High speed/greater than HDTV
          • Higher quality, 24 AWG about 12-15 meter.
    • HDMI & HD OPTICAL MEDIA PLAYER
      • HD DVD, Blu-ray disc uses Dolby Digital plus, Dolby True HD and DTS-HD master Audio having very high bitrates.
      • HD DVD, Blu-ray permit “interactive audio”.
    • CRITICISM
      • Connector are not robust as previous display connectors. Tripping over a cable plugged into an HDMI port can easily damage the port.
      • Lack of security mechanism built on connectors and plug are more prone to physical and/ or electrical damage.
      • THANK YOU