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Docter, Quentin; Dulaney, Emmett; Skandier, Toby (2012). CompTIA A+ Complete Deluxe Study Guide: Exams 220-801 and 220-802. Indianapolis, Indiana: John Wiley & Sons, Inc. ISBN 978-1118324066. The digital DVI-D or DVI-I version is compatible with an HDMI connection – so you can get DVI to HDMI cables or adapters if your AV equipment requires a connection like this. Featuring support for analog connections, DVI devices manufactured as DVI-I are compatible with the analog VGA interface [1] by including VGA pins, while DVI-D devices are digital-only. This compatibility, along with other advantages, led to its widespread acceptance over competing digital display standards Plug and Display (P&D) and Digital Flat Panel (DFP). [2] Although DVI is predominantly associated with computers, it is sometimes used in other consumer electronics such as television sets and DVD players. Until HDMI 2.0 became a standard, DisplayPort had it beat when it came to high resolutions. DisplayPort 1.2 has long been able to carry 3,840 x 2,160-resolution video at 60fps (or a refresh rate of 60Hz) and is the most common DisplayPort specification on most consumer monitors and devices now. This has 17.28Gbits/sec of bandwidth.
a b Manchester, Gary (1999). The VESA Digital Flat Panel (DFP) Standard: A White Paper (PDF) (Report). VESA Marketing Committee. Archived from the original (PDF) on January 12, 2016. Dual-link DVI connections aren’t widely used, but you would need a special dual-link cable if your device does have this interface. Can You Convert DVI to HDMI?
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Because P&D was a physically large, expensive connector, a consortium of companies developed the DFP standard (1999), which was focused solely on digital video transmission using a 20-pin micro ribbon connector and omitted the analog video and data capabilities of P&D. [4] :3 [5] :4 DVI instead chose to strip just the data functions from P&D, using a 29-pin MicroCross connector to carry digital and analog video. [8] Critically, DVI allows dual-link TMDS signals, [9] meaning it supports higher resolutions than the single-link P&D and DFP connectors, which led to its successful adoption as an industry standard. Compatibility of DVI with P&D and DFP is accomplished typically through passive adapters that provide appropriate physical interfaces, as all three standards use the same DDC/EDID handshaking protocols and TMDS digital video signals. [10] :§1.3.7 Technical overview [ edit ] For longer cables, signal degradation is worse. Similarly, VGA cables are more susceptible to this problem. The DVI cable can be up to 15 feet long and can be used for monitors with a resolution of 1,920 × 1,200. The VGA cable can be up to 50 feet long and can be used for monitors with a resolution of 1,280 × 1,024. For longer distances, a DVI enhancer is needed to reduce signal attenuation. Types of Connectors MicroCross DVI Connector System: Digital Visual Interface Standard" (PDF). Molex. December 2000 . Retrieved 31 January 2023. HDMI has seen numerous revisions since its inception in 2002. Its most common version, used in most consumer devices at present, is 1.4 but there’s a newer, more exciting 2.0 specification now becoming more prominent. The main difference between the 1.4 and 2.0 specifications focus around bandwidth available. HDMI 1.4 has a bandwidth maximum of 10.2 Gbps/s whereas the HDMI 2.0 tops out at 18 Gbps/s. Digital video pixel data is transported using multiple TMDS twisted pairs. At the electrical level, these pairs are highly resistant to electrical noise and other forms of analog distortion.
The DVI connection on the end of the cable may have different amounts of pins depending on the type of DVI connection it is designed for. In contrast to HDMI, neither VGA nor DVI supports audio. Therefore, when connecting to a TV, projector or home theater system, you can use an HDMI cable to transmit both audio and video signals, or a VGA/DVI cable to transmit video and a separate audio cable. The different DVI types were designed to allow a flexible solution for connecting to either digital or analog screens. However, in reality, it can just be plain confusing! DVI stands for “Digital Visual Interface”, and is another common connection found on PC monitors. Things can become a little confusing when you consider there are three different types of DVI. There’s DVI-A (analog signal), DVI-D (digital signal) and DVI-I (integrated analog and digital signal). Not only that, but DVI-D and DVI-I have single-link and dual-link versions. Nowadays, DVI-A is very uncommon, as it’s no better than VGA. Walton, Jarred (March 2, 2007). "Dell 2407WFP and 3007WFP LCD Comparison". AnandTech . Retrieved November 7, 2013.DisplayPort 1-1.1a is able to output 144Hz at 1080p, while 1.2-1.2a can output 1440p at 144Hz, 1.3 outputs up to 120Hz at 4K, and 1.4 can output 144Hz at 4K using Display Stream Compression (DSC). USB Type-C: Newest audio, video, data and power connector. The best connection for laptops and mobile devices
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