Today's Typical Audio/Visual System Overview
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Typical HDTV Installation
Arrangement
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A/V Component Overview & Product Descriptions |
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The
Digital Visual Interface
(DVI) was
developed by the Digital Display Working Group (DDWG)
to improve analog and digital image quality in PC applications.
Because of bandwidth requirements and high-speed, sharp-edged, clock
rates, DVI's single-cable design is limited to a maximum length of
5-meters (16.4-feet). DVI's cable length limitation presents few
problems in PC-video applications but can be problematic in home
entertainment applications because of the 5-meter length limitation and
the fact the DVI cabling and connector interface does not have
provisions for audio. |
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The
High-Definition Multimedia Interface (HDMI)
was designed as the standardized home theatre/entertainment connection
by the HDMI Organization. The HDMI Organization was founded by
Hitachi, Panasonic (Matsushita Electric Industrial), Philips Consumer
Electronics, Silicon Images, Sony, Thomson (RCA) and Toshiba.
The HDMI consortium now is comprised of more than 200-consumer
electronics designers and manufacturers. In addition, HDMI has the
support of major motion picture producers like Fox, Sony and Universal
and satellite system operators such as DirecTV, Dish Network and Sky as
well as the cable industry's CableLabs.
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The HDMI
Organization Specification Revision 1.3c has standardized on a single
cable bandwidth of 5-Gbps (5 Gigabits/second). HDMI connectors and
cable assemblies have been designed to enable an uncompressed
all-digital interface between DVD players, satellite receivers and/or
set-top boxes and audio/video monitors such as DTV (digital television)
and flat-panels. HDMI's smaller standardized consumer-friendly
friction locking connector design featuring a single-cable when fully
implemented by the consumer electronics industry will reduce
installation costs and improve home entertainment system performance. |
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HDMI's
5-Gbps bandwidth offers consumers, system designers and consumer
electronics manufacturers extensibility for quite some time to come.
Currently, standard HDTV broadcasts use less than 50% of HDMI's
available bandwidth. With capacity to spare, HDMI can incorporate
new technological advancements and capabilities well into the
foreseeable future. |
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HDMI
supports all uncompressed standard, enhanced and high definition formats
(e.g., 480I, 480P, 720P, 1080I, 1080P) as well as standard NTSC and PAL
formats. In addition, HDMI supports standard PC formats (e.g.,
VGA, XGA, SXGA, et cetera). |
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HDMI use
High-bandwidth Digital-Content Protection (HDCP)
as its content protection protocol. HDCP provides a secure
audio/video interface that meets the security requirements of content
providers and systems operators. HDCP was developed by Intel to
protect digital entertainment content during transmission. HDCP
encrypts the transmission of digital content between the video source
and the receiver, projector or digital display. Intel designed
HDCP to protect the integrity of the media that is being transmitted.
HDCP does not prevent the consumer from copying or recording the digital
content. |
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HDMI is
backward compatible with
Digital Visual Interface (DVI). |
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Fully
backward-compatible with using the CEA-861 profile for DTVs |
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DVI-equipped TVs will display video from HDMI sources. |
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A
DVI-to-HDMI Adaptor is required. Separate audio cables are
required because the HDMI audio is not available using an adapter. |
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All Elite
Electronics HDMI Cables are designed and produced in accordance with the
HDMI Revision Specification 1.3c
using a single long-length standard copper cable construction concept
that is capable of carrying up to 5 Gigabits/second bandwidth video and
multi-channel audio. The HDMI Specification specifies the required
cable performance but does not specify the maximum cable length.
Elite Electronics is currently supplying high-quality HDMI cables from
1-meter (39-inches) to 15-meters (49-feet) in length. We can
achieve longer distances by using active cabling techniques (i.e.,
amplifiers and/or repeaters) or fiber optic cabling. As the HDMI
semiconductor manufacturers improve their product technology, longer
copper cable lengths will be achievable without using repeaters;
resulting in additional installation cost-savings.
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HDMI's
audio capability easily carries all compressed multi-channel digital
formats (e.g., Dolby Digital, DTS (Digital Surround), et cetera) and can
carry up to 8-channels of uncompressed digital audio. |
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Reduced
costs and complexity of multiple-cable installation concepts currently
used to connect A/V systems. |
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HDMI SMT
receptacles with through-hole locking-lances (shell tabs). |
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