Wireless Display (WiDi) is technology developed by
Intel
Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California. It is the world's largest semiconductor chip manufacturer by revenue, and is one of the developers of the x86 seri ...
that enables users to stream music, movies, photos, videos and apps without wires from a compatible computer to a compatible
HDTV
High-definition television (HD or HDTV) describes a television system which provides a substantially higher image resolution than the previous generation of technologies. The term has been used since 1936; in more recent times, it refers to the g ...
or through the use of an adapter with other HDTVs or
monitor
Monitor or monitor may refer to:
Places
* Monitor, Alberta
* Monitor, Indiana, town in the United States
* Monitor, Kentucky
* Monitor, Oregon, unincorporated community in the United States
* Monitor, Washington
* Monitor, Logan County, West Vir ...
s. Intel WiDi supports HD
1080p
1080p (1920×1080 progressively displayed pixels; also known as Full HD or FHD, and BT.709) is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the screen vert ...
video quality,
5.1 surround sound, and
low latency
Latency, from a general point of view, is a time delay between the cause and the effect of some physical change in the system being observed. Lag, as it is known in gaming circles, refers to the latency between the input to a simulation and t ...
for interacting with applications sent to the
TV from a PC.
Using the Intel WiDi Widget, users can perform different functions simultaneously on their PC and TV such as checking email on the PC while streaming a movie to the TV from the same device.
WiDi was discontinued in 2015 in favour of
Miracast
Miracast (also called screen mirroring and wireless display among other names on consumer devices) is a standard for wireless connections from sending devices (such as laptops, tablets, or smartphones) to display receivers (such as TVs, monitors, o ...
, a standard developed by the
Wi-Fi Alliance
The Wi-Fi Alliance is a non-profit organization that owns the Wi-Fi trademark. Manufacturers may use the trademark to brand products certified for Wi-Fi
interoperability.
History
Early 802.11 products suffered from interoperability problems be ...
and natively supported by
Windows 8.1
Windows 8.1 is a release of the Windows NT operating system developed by Microsoft. It was released to manufacturing on August 27, 2013, and broadly released for retail sale on October 17, 2013, about a year after the retail release of its pre ...
and later. In
Microsoft
Microsoft Corporation is an American multinational technology corporation producing computer software, consumer electronics, personal computers, and related services headquartered at the Microsoft Redmond campus located in Redmond, Washing ...
's
Windows 10
Windows 10 is a major release of Microsoft's Windows NT operating system. It is the direct successor to Windows 8.1, which was released nearly two years earlier. It was released to manufacturing on July 15, 2015, and later to retail on J ...
operating system, the built-in Wireless Display is called Project, which can be used to mirror the device's display to a TV if it supports Miracast.
Version history
*2010 - WiDi 1.0 - Supports 720p
*2011 - WiDi 2.0 - Supports 1080p
*2012 - WiDi 3.0 - Supports 1080p @ 60 FPS
*September 2012 - WiDi 3.5 - Supports Windows 8, touch functionality, 1080p output, 3D content, HDCP2, Blu-ray, and USB devices and Miracast.
*2013 - WiDi 4.0
*2014 - WiDi 4.1
[WiDi – Wireless Display Overview, Specifications, Testing and Demos]
by Chippy, 2014-02-20, UMPCPortal
*2014 - WiDi 4.2 - 5 GHz Wi-Fi support (with compatible receiver)
*2015 - WiDi 5.1 - Supports 4k - Ultra HD displays.
*2015 - WiDi 6.0
*October 2015 - The marketing and development of WiDi applications was discontinued by Intel, who said that this was because the Miracast standard was natively supported in Windows for wireless display.
Miracast
The Miracast standard is supported in Intel Wireless Display versions 3.5 through 6.0, when it was discontinued.
After this development, Intel recommended that business users utilize Intel Unite as a platform for collaboration.
Miracast was included in
Android 4.2
smart phone
A smartphone is a portable computer device that combines mobile telephone and computing functions into one unit. They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, which ...
s and onwards and on Windows 8.1 and 10. It can stream on TVs, projectors, and media players.
See also
*
AirPlay
Airplay is how frequently a song is being played through broadcasting on radio stations. A song which is being played several times every day (spins) would have a significant amount of airplay. Music which became very popular on jukeboxes, in n ...
*
Digital Living Network Alliance
Digital Living Network Alliance (DLNA; originally named Digital Home Working Group, DHWG) was founded by a group of PC and consumer electronics companies in June 2003 (with Intel in the lead role) to develop and promote a set of interoperability ...
(DLNA).
*
Ultra-wideband
Ultra-wideband (UWB, ultra wideband, ultra-wide band and ultraband) is a radio technology that can use a very low energy level for short-range, high-bandwidth communications over a large portion of the radio spectrum. UWB has traditional applicati ...
*
Wireless HDMI
Wireless HDMI is a colloquial term for wireless high-definition audio and video signals connectivity on consumer electronics products.
Currently, most HD wireless transmission technologies use unlicensed 5 GHz, 60 GHz or 190 GHz radio frequencie ...
:
**
WiGig
WiGig, alternatively known as 60 GHz Wi-Fi, refers to a set of 60 GHz wireless network protocols. It includes the current IEEE 802.11ad standard and also the IEEE 802.11ay standard.
The WiGig specification allows devices to communicate wi ...
**
WirelessHD WirelessHD, also known as UltraGig, is a proprietary standard owned by Silicon Image (originally SiBeam) for wireless transmission of high-definition video content for consumer electronics products. The consortium currently has over 40 adopters; k ...
**
Wireless Home Digital Interface
Wireless Home Digital Interface (WHDI) is a consumer electronic specification for a wireless HDTV connectivity throughout the home.
WHDI enables delivery of uncompressed high-definition digital video over a wireless radio channel connecting any ...
*
Wi-Fi Direct
Wi-Fi Direct (formerly Wi-Fi Peer-to-Peer) is a Wi-Fi standard for peer-to-peer wireless connections that allows two devices to establish a direct Wi-Fi connection without an intermediary wireless access point, router, or Internet connection. Wi- ...
ip based:
*
Chromecast
Chromecast is a line of digital media players developed by Google. The devices, designed as small dongles, can play Internet-streamed audio-visual content on a high-definition television or home audio system. The user can control playback with ...
(proprietary media broadcast over ip:
Google Cast
Google Cast is a proprietary protocol developed by Google for playing Internet-streamed audio/video content on a compatible consumer device. The protocol is used to initiate and control playback of content on digital media players, high-definition ...
for audio or audiovisual playback)
*
AirPlay
Airplay is how frequently a song is being played through broadcasting on radio stations. A song which is being played several times every day (spins) would have a significant amount of airplay. Music which became very popular on jukeboxes, in n ...
(proprietary ip based)
*
Digital Living Network Alliance
Digital Living Network Alliance (DLNA; originally named Digital Home Working Group, DHWG) was founded by a group of PC and consumer electronics companies in June 2003 (with Intel in the lead role) to develop and promote a set of interoperability ...
(DLNA) (ip based)
port / cable standards for mobile equipment:
*
Mobile High-Definition Link - MHL
* SlimPort (
Mobility DisplayPort), also known as MyDP
References
External links
WiDiat Intel.com
The Main Wireless HDMI Transmission Protocols and Their Typical ProductsComparison of different wireless HDMI transmission protocols at Portablehifi.com
{{Intel
Computer display standards
Wi-Fi
Wi-Fi Direct
Intel products
Wireless display technologies