Wireless Home Digital Interface (WHDI) is a
consumer electronic specification for a
wireless
Wireless communication (or just wireless, when the context allows) is the transfer of information between two or more points without the use of an electrical conductor, optical fiber or other continuous guided medium for the transfer. The most ...
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 ...
connectivity throughout the home.
WHDI enables delivery of
uncompressed high-definition
digital video
Digital video is an electronic representation of moving visual images (video) in the form of encoded digital data. This is in contrast to analog video, which represents moving visual images in the form of analog signals. Digital video comprises ...
over a wireless
radio channel
Radio broadcasting is transmission of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio sta ...
connecting any video source (
computer
A computer is a machine that can be programmed to Execution (computing), carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as C ...
s,
mobile phone
A mobile phone, cellular phone, cell phone, cellphone, handphone, hand phone or pocket phone, sometimes shortened to simply mobile, cell, or just phone, is a portable telephone that can make and receive calls over a radio frequency link whil ...
s,
Blu-ray player
The Blu-ray Disc (BD), often known simply as Blu-ray, is a Digital media, digital optical disc data storage format. It was invented and developed in 2005 and released on June 20, 2006 worldwide. It is designed to supersede the DVD format, and c ...
s etc.) to any compatible
display device
A display device is an output device for presentation of information in visual or tactile form (the latter used for example in tactile electronic displays for blind people). When the input information that is supplied has an electrical signal the ...
. WHDI is supported and driven by
Amimon,
Hitachi Ltd.
() is a Japanese multinational conglomerate corporation headquartered in Chiyoda, Tokyo, Japan. It is the parent company of the Hitachi Group (''Hitachi Gurūpu'') and had formed part of the Nissan ''zaibatsu'' and later DKB Group and Fuyo Gr ...
,
LG Electronics
LG Electronics Inc. () is a South Korean multinational electronics company headquartered in Yeouido-dong, Seoul, South Korea. LG Electronics is a part of LG Corporation, the fourth largest '' chaebol'' in South Korea, and often considered a ...
,
Motorola
Motorola, Inc. () was an American Multinational corporation, multinational telecommunications company based in Schaumburg, Illinois, United States. After having lost $4.3 billion from 2007 to 2009, the company split into two independent p ...
,
Samsung Group
The Samsung Group (or simply Samsung) ( ko, 삼성 ) is a South Korean multinational manufacturing conglomerate headquartered in Samsung Town, Seoul, South Korea. It comprises numerous affiliated businesses, most of them united under the ' ...
,
Sharp Corporation
is a Japanese multinational corporation that designs and manufactures electronic products, headquartered in Sakai-ku, Sakai, Osaka Prefecture. Since 2016 it has been majority owned by the Taiwan-based Foxconn Group. Sharp employs more than 5 ...
and
Sony
, commonly stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professional ...
.
Versions
The WHDI 1.0 specification was finalized in December 2009.
Sharp Corporation
is a Japanese multinational corporation that designs and manufactures electronic products, headquartered in Sakai-ku, Sakai, Osaka Prefecture. Since 2016 it has been majority owned by the Taiwan-based Foxconn Group. Sharp employs more than 5 ...
will be one of the first companies to roll out wireless HDTVs. AT CES 2010
LG Electronics
LG Electronics Inc. () is a South Korean multinational electronics company headquartered in Yeouido-dong, Seoul, South Korea. LG Electronics is a part of LG Corporation, the fourth largest '' chaebol'' in South Korea, and often considered a ...
announced a WHDI wireless HDTV product line.
In June 2010, WHDI announced an update to WHDI 1.0 which allows support for
stereoscopic 3D
Stereoscopy (also called stereoscopics, or stereo imaging) is a technique for creating or enhancing the illusion of depth in an image by means of stereopsis for binocular vision. The word ''stereoscopy'' derives . Any stereoscopic image is ...
, and WHDI 2.0 specification to be completed in Q2 2011.
WHDI 3D update due in Q4 2010 will allow support for 3D formats defined in
HDMI
High-Definition Multimedia Interface (HDMI) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device, such as a display controller, ...
1.4a specification
WHDI 2.0 will increase available bandwidth even further, allowing additional 3D formats such as "dual 1080p60", and support for 4K × 2K resolutions.
Technology
WHDI 1.0 provides a high-quality, uncompressed wireless link which supports data rates of up to 3 Gbit/s (allowing
1920×1080 @ 60 Hz @ 24-bit) in a 40 MHz channel, and data rates of up to 1.5 Gbit/s (allowing 1280×720 @ 60 Hz @ 24-bit or 1920×1080 @ 30 Hz @ 24-bit) in a single 20 MHz channel of the 5 GHz unlicensed band, conforming to
FCC
The Federal Communications Commission (FCC) is an independent agency of the United States federal government that regulates communications by radio, television, wire, satellite, and cable across the United States. The FCC maintains jurisdictio ...
and worldwide 5 GHz spectrum regulations. Range is beyond , through walls, and
latency is less than one millisecond.
History
2005
December
AMIMON releases news of a device capable of "uncompressed high definition video streaming wirelessly."
2007
January
AMIMON showcases its WHDI (wireless high definition interface) at
CES.
Sanyo
, stylized as SANYO, is a Japanese electronics company and formerly a member of the Fortune Global 500, ''Fortune'' Global 500 whose headquarters was located in Moriguchi, Osaka, Moriguchi, Osaka prefecture, Japan. Sanyo had over 230 subsidiari ...
demonstrates the "world's first wireless HD projector," using AMIMON's technology, which allows for the same quality as a DVI / HDMI cable.
August
AMIMON begins shipping its WHDI chips to manufacturers.
December
WHDI becomes High-Bandwidth Digital Content Protection (
HDCP
High-bandwidth Digital Content Protection (HDCP) is a form of digital copy protection developed by Intel Corporation to prevent copying of digital audio and video content as it travels across connections. Types of connections include DisplayPort ...
) Certified, garnering the necessary approval for any device to deliver HD video to another device, a requirement in Hollywood movie studios. It is considered an
Approved Retransmission Technology (ART). The approval allows for WHDI to begin selling devices that will carry HD content to a broader market.
2008
April
Sharp
Sharp or SHARP may refer to:
Acronyms
* SHARP (helmet ratings) (Safety Helmet Assessment and Rating Programme), a British motorcycle helmet safety rating scheme
* Self Help Addiction Recovery Program, a charitable organisation founded in 19 ...
partners with AMIMON to offer Sharp's X-Series LCD HDTVs offered with WHDI wireless link, the first CE product to use WHDI technology.
July
AMIMON collaborates with
Motorola
Motorola, Inc. () was an American Multinational corporation, multinational telecommunications company based in Schaumburg, Illinois, United States. After having lost $4.3 billion from 2007 to 2009, the company split into two independent p ...
,
Samsung
The Samsung Group (or simply Samsung) ( ko, 삼성 ) is a South Korean multinational manufacturing conglomerate headquartered in Samsung Town, Seoul, South Korea. It comprises numerous affiliated businesses, most of them united under the ...
,
Sony
, commonly stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professional ...
and Sharp in order to form 'a special interest group to develop a comprehensive new industry standard for multi-room audio, video and control connectivity'.
August
Mitsubishi
The is a group of autonomous Japanese multinational companies in a variety of industries.
Founded by Yatarō Iwasaki in 1870, the Mitsubishi Group historically descended from the Mitsubishi zaibatsu, a unified company which existed from 1870 ...
announces that it will offer television sets in Japan capable of communicating with WHDI-enabled equipment.
September
JVC
JVC (short for Japan Victor Company) is a Japanese brand owned by JVCKenwood corporation. Founded in 1927 as the Victor Talking Machine Company of Japan and later as , the company is best known for introducing Japan's first televisions and for ...
plans to produce a wireless HDMI box to launch in 2009.
December
AMIMON Ships Its 100,000th Wireless High-definition Chipset.
ABI Research
Abi or ABI may refer to:
Organizations
United States
* American Bankruptcy Institute
* American Beverage Institute
* American Biographical Institute
* Applied Biosystems Inc.
Elsewhere
* Agencia Boliviana de Información, a Bolivian press age ...
reports wireless HDTV vendors are putting money into products though few are available for consumption in North America.
Stryke
Endoscopy's WiSe HDTVwill use WHDI and be the first HD wireless display specifically for the operating room, the first use of WHDI technology in the professional market.
2009
April
AMIMON introduces its second-generation chipset operating in the 5 GHz unlicensed band with AMN 2120 transmitter and AMN 2220 receiver. The chipset is capable of full uncompressed 1080p/60 Hz HD and supports HDCP 2.0. The unit also becomes available to manufacturers.
May Gefen
begins shipping its WHDI towers, targeting the custom installation market. The towers use AMIMON's 5Ghz technology and can support a maximum of five remote receivers on the same video stream. They support 1080p with Dolby 5.1 surround audio.
September
Philips
Koninklijke Philips N.V. (), commonly shortened to Philips, is a Dutch multinational conglomerate corporation that was founded in Eindhoven in 1891. Since 1997, it has been mostly headquartered in Amsterdam, though the Benelux headquarters i ...
launches Wireless
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 ...
Link with an
HDMI
High-Definition Multimedia Interface (HDMI) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device, such as a display controller, ...
transmitter and receiver and 1080p/30 HD video transmission.
Sony announces it will release the ZX5 LCD television in November. It is capable of receiving 1080p wirelessly.
2010
January
LG announces a partnership with AMIMON and prepares shipment of a wireless HDTV product line with second-generation WHDI technology embedded.
July
WHDI becomes 3D video capable.
September
ASUS joins the WHDI Consortium and aligns with AMIMON to introduce the WiCast EW2000. The WiCast connects a PC via USB to an HDTV via HDMI.
October Galaxy
announces the GeForce GTX 460 WHDI Edition video card. The card is intended for PC gamers.
AMIMON announces the WHDI stick reference design, a noticeably smaller device than those previously released.
November
HP announces the WHDI certified HP Wireless TV Connect
2011
January
WHDI comes to TVs, PCs, tablets and a projector at the 2011 Consumer Electronics Show (CES).
KFA2 (Galaxy) releases the first wireless graphics card, GeForce GTX460 WHDI 1024MB PCIe 2.0. The card uses five aerials to stream 1080p video from a PC to a WHDI-capable television.
September
AMIMON showcases the HD camera link Falcon-HD, a transmitter and receiver accessory for professional HD cameras and monitors at the
International Broadcasting Convention
International Broadcasting Convention, more commonly known by its initials IBC, is an annual trade show, held in September at the RAI Exhibition and Convention Centre in Amsterdam, the Netherlands. IBC's tagline is “By the industry. For the ...
(IBC) in Amsterdam.
2012
January
AMIMON teams up with
Lenovo
Lenovo Group Limited, often shortened to Lenovo ( , ), is a Chinese Multinational corporation, multinational technology company specializing in designing, manufacturing, and marketing consumer electronics, Personal computer, personal computers, ...
to integrate WHDI technology in the IdeaPad S2 7, removing the need for an external transmitter.
April
AMIMON launches Falcon, a wireless transmitter/receiver system kit for the professional camera and monitor market, at the National Association of Broadcasters (NAB) Show in Las Vegas.
June
AMIMON announces the AMIMON Pro Line, using WHDI technology to expand uses from the CE market to the Professional market.
Elmointroduces MO-1w Visual Presenter, the first use of WHDI technology in the presentation industry.
Supporters
Promoters
*
Hitachi Ltd.
() is a Japanese multinational conglomerate corporation headquartered in Chiyoda, Tokyo, Japan. It is the parent company of the Hitachi Group (''Hitachi Gurūpu'') and had formed part of the Nissan ''zaibatsu'' and later DKB Group and Fuyo Gr ...
*
LG Electronics
LG Electronics Inc. () is a South Korean multinational electronics company headquartered in Yeouido-dong, Seoul, South Korea. LG Electronics is a part of LG Corporation, the fourth largest '' chaebol'' in South Korea, and often considered a ...
*
Motorola
Motorola, Inc. () was an American Multinational corporation, multinational telecommunications company based in Schaumburg, Illinois, United States. After having lost $4.3 billion from 2007 to 2009, the company split into two independent p ...
*
Samsung Group
The Samsung Group (or simply Samsung) ( ko, 삼성 ) is a South Korean multinational manufacturing conglomerate headquartered in Samsung Town, Seoul, South Korea. It comprises numerous affiliated businesses, most of them united under the ' ...
*
Sharp Corporation
is a Japanese multinational corporation that designs and manufactures electronic products, headquartered in Sakai-ku, Sakai, Osaka Prefecture. Since 2016 it has been majority owned by the Taiwan-based Foxconn Group. Sharp employs more than 5 ...
*
Sony
, commonly stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professional ...
Contributors
*
D-link
D-Link Corporation is a Taiwanese multinational networking equipment manufacturing corporation headquartered in Taipei, Taiwan. It was founded in March 1986 in Taipei as ''Datex Systems Inc.''
History
D-Link Corporation changed its name fr ...
*
Haier
Haier Group Corporation () is a Chinese multinational home appliances and consumer electronics company headquartered in Qingdao, Shandong. It designs, develops, manufactures and sells products including refrigerators, air conditioners, washin ...
*
Maxim
Maxim or Maksim may refer to:
Entertainment
* ''Maxim'' (magazine), an international men's magazine
** ''Maxim'' (Australia), the Australian edition
** ''Maxim'' (India), the Indian edition
*Maxim Radio, ''Maxim'' magazine's radio channel on Sir ...
*
Mitsubishi Electric
, established on 15 January 1921, is a Japanese multinational electronics and electrical equipment manufacturing company headquartered in Tokyo, Japan. It is one of the core companies of Mitsubishi. The products from MELCO include elevators an ...
*
Rohde & Schwarz
Rohde & Schwarz GmbH & Co KG (, ) is an international electronics group specializing in the fields of electronic test equipment, broadcast & media, cybersecurity, radiomonitoring and radiolocation, and radiocommunication. The company provides ...
*
Toshiba
, commonly known as Toshiba and stylized as TOSHIBA, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. Its diversified products and services include power, industrial and social infrastructure system ...
Adopters
* Askey
*
ASUS
ATEN International Co., Ltd.*
Belkin
Belkin is an American consumer electronics and networking company headquartered in El Segundo, California. It produces mobile and computer connectivity devices and peripherals for consumer and commercial use. These include wireless chargers, pow ...
Dfine TechnologyDomo Technologies*
Elmo
Elmo is a red Muppet monster character on the long-running PBS/ HBO children's television show ''Sesame Street''. A furry red monster who has a falsetto voice and illeism, he hosts the last full five-minute segment (fifteen minutes prio ...
Galaxy Microsystems Ltd.Gemtek*
Hefei Radio
*
Hosiden
is a Japanese electronics company. It manufactures electronic components and devices and has a strong presence in the telecommunication and automotive industries prior to the consumer markets. It is headquartered in Yao, Osaka and has over 19 ...
*
HP
Hunan space satellite Communication co.ltd.*
IOGear
*
Jupiter (MTI)
LiteOn Technology Corp.*
Murata Manufacturing
is a Japanese manufacturer of electronic components, based in Nagaokakyo, Kyoto.
Honorary Chairman Akira Murata started Murata Manufacturing as a personal venture in October, 1944. In December 1950 reorganized the company into Murata Manufac ...
*
Olympus Corporation
is a Japanese manufacturer of optics and reprography products. Olympus was established on 12 October 1919, initially specializing in microscopes and thermometers. Olympus holds roughly a 70-percent share of the global endoscope market, estimated ...
* Quanta Microsystems - QMI
*
Seamon Science International
SRI Radio Systems*
Syvio Image Limited
*
TCL Corporation
TCL Technology (originally an abbreviation for Telephone Communication Limited) is a Chinese electronics company headquartered in Huizhou, Guangdong Province. It designs, develops, manufactures, and sells consumer products including televisi ...
*
TDK
is a Japanese multinational electronics corporation that manufactures electronic components and recording and data-storage media. Its motto is "Contribute to culture and industry through creativity".
"TDK" is an initialism of the original Ja ...
Telecommunication Metrology CenterWinstarsZinwell
See also
*
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 USB
Wireless USB (Universal Serial Bus) was a short-range, high-bandwidth wireless radio communication protocol created by the Wireless USB Promoter Group which intended to increase the availability of general USB-based technologies. It was unrelat ...
*
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 ...
:
**
Intel Wireless Display (WiDi)
Wireless Display (WiDi) is technology developed by Intel that enables users to stream music, movies, photos, videos and apps without wires from a compatible computer to a compatible HDTV or through the use of an adapter with other HDTVs or monito ...
version 3.5 to 6.0 supports
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 ...
; discontinued
**
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 ...
**
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 ...
**
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 ...
*
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 (DLNA) (ip based)
port / standard for mobile equipment:
*
Mobile High-Definition Link - MHL
* SlimPort (
Mobility DisplayPort), also known as MyDP
External links
WHDI.org the official website of WHDI SIG
by Guy Dorman, AMIMON
*
ttp://www.aten.com/products/Video-Products/Extenders/5x2-HDMI-Wireless-Extender~VE829.html VE829 FHD
1080p (1920×1080 Progressive_scan, progressively displayed pixels; also known as Full HD or FHD, and Rec. 709, BT.709) is a set of High-definition television, HDTV high-definition video modes characterized by 1,920 pixels displayed across the scr ...
5x2 HDMI Wireless Extender
The Main Wireless HDMI Transmission Protocols and Their Typical Products Comparison of main wireless HDMI transmission protocols
References
{{reflist, 33em
Networking standards
Wireless display technologies