3.1 About HDMI
High-Definition Multimedia Interface (HDMI) is an uncompressed all-digital
1
In particular, HDMI
audio/video interface, widely supported in the entertainment and home cinema
industry. It delivers the highest high-definition image and sound quality.
2
• Provides a simple
:
3
interface between any audio/video source, such as a set-
top box, DVD player, or A/V receiver and video monitor, such as a digital
flat LCD/plasma television (DTV), over a single lengthy
4
• Supports standard, enhanced, high-definition video, and multi-channel
digital audio
cable
5
• Transmits all ATSC HDTV standards and supports 8-channel digital audio,
with bandwidth to spare to accommodate future enhancements and
requirements
on a single cable
• Benefits consumers by providing superior, uncompressed digital video
quality via a single cable
6
• Is backward-compatible with DVI (Digital Visual Interface)
, and user-friendly connector
• Supports two-way communication between the video source (such as a
DVD player) and the digital television, enabling new functionality such as
automatic configuration and one-button play
HDMI has the capacity to support:
• Existing high-definition video formats (720p, 1080i and 1080p @60Hz), as
well as standard definition formats such as NTSC or PAL
3.2 Using Shielded Twisted Pair Cable
Kramer engineers have developed special twisted pair cables to best match our
digital twisted pair products; the Kramer: BC-DGKat524 (CAT 5 24 AWG), the
Kramer BC-DGKat623 (CAT 6 23 AWG cable), and the Kramer BC-DGKat7a23
(CAT 7a 23 AWG cable). These specially built cables significantly outperform
regular CAT 5/CAT 6 /CAT 7a cables.
1 Ensuring an all-digital rendering of video without the losses associated with analog interfaces and their unnecessary digital-to-analog
conversions
2 HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI licensing LLC
3 With video and multi-channel audio combined into a single cable, the cost, complexity, and confusion of multiple cables currently
used in A/V systems is reduced
4 HDMI technology has been designed to use standard copper cable construction at up to 15m
5 HDMI supports multiple audio formats, from standard stereo to multi-channel surround-sound. HDMI has the capacity to support
Dolby 5.1 audio and high-resolution audio formats
6 HDMI provides the quality and functionality of a digital interface while also supporting uncompressed video formats in a simple, cost-
effective manner
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