Wireless Home Digital Interface
Encyclopedia
Wireless Home Digital Interface (WHDI) is a consumer electronic standard for a wireless HDTV connectivity throughout the home. It is being driven by AMIMON, Hitachi Ltd., LG Electronics
, Motorola
, Samsung Group
, Sharp Corporation
and Sony
.
WHDI enables delivery of uncompressed high-definition video over a wireless radio channel, allowing consumers to connect any source in the home to any display device
.
will be one of the first companies to roll out wireless HDTVs. AT CES 2010 LG Electronics
announced a WHDI wireless HDTV product line.
In June 2010, WHDI announced an update to WHDI 1.0 which allows support for stereoscopic 3D
, 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 1.4a specification
WHDI 2.0 will increase available bandwidth even further, allowing additional 3D formats such as "dual 1080p60", and support for 4K x 2K resolutions.
) in a 40 MHz channel, and data rates of up to 1.5Gbit/s (allowing 1080i and 720p) in a single 20 MHz channel of the 5 GHz unlicensed band, conforming to FCC regulations and worldwide 5 GHz spectrum regulations. Range is beyond 100 feet (30.5 m), through walls, and latency is less than one millisecond.
Contributors
Adopters
LG Electronics
LG Electronics is a global electronics and telecommunications company headquartered in Yeouido, Seoul, South Korea. The company operates its business through five divisions: mobile communications, home entertainment, home appliance, air conditioning and business solution...
, Motorola
Motorola
Motorola, Inc. was an American multinational telecommunications company based in Schaumburg, Illinois, which was eventually divided into two independent public companies, Motorola Mobility and Motorola Solutions on January 4, 2011, after losing $4.3 billion from 2007 to 2009...
, Samsung Group
Samsung Group
The Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...
, Sharp Corporation
Sharp Corporation
is a Japanese multinational corporation that designs and manufactures electronic products. Headquartered in Abeno-ku, Osaka, Japan, Sharp employs more than 55,580 people worldwide as of June 2011. The company was founded in September 1912 and takes its name from one of its founder's first...
and Sony
Sony
, commonly referred to as Sony, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan and the world's fifth largest media conglomerate measured by revenues....
.
WHDI enables delivery of uncompressed high-definition video over a wireless radio channel, allowing consumers to connect any source in the home to any display device
Display device
A display device is an output device for presentation of information in visual or tactile form...
.
Versions
The WHDI 1.0 standard specification was finalized in December 2009. Sharp CorporationSharp Corporation
is a Japanese multinational corporation that designs and manufactures electronic products. Headquartered in Abeno-ku, Osaka, Japan, Sharp employs more than 55,580 people worldwide as of June 2011. The company was founded in September 1912 and takes its name from one of its founder's first...
will be one of the first companies to roll out wireless HDTVs. AT CES 2010 LG Electronics
LG Electronics
LG Electronics is a global electronics and telecommunications company headquartered in Yeouido, Seoul, South Korea. The company operates its business through five divisions: mobile communications, home entertainment, home appliance, air conditioning and business solution...
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
Stereoscopy refers to a technique for creating or enhancing the illusion of depth in an image by presenting two offset images separately to the left and right eye of the viewer. Both of these 2-D offset images are then combined in the brain to give the perception of 3-D depth...
, 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 1.4a specification
WHDI 2.0 will increase available bandwidth even further, allowing additional 3D formats such as "dual 1080p60", and support for 4K x 2K resolutions.
Technology
WHDI 1.0 provides a high-quality, uncompressed wireless link which supports data rates of up to 3Gbit/s (allowing 1080p1080p
1080p is the shorthand identification for a set of HDTV high-definition video modes that are characterized by 1080 horizontal lines of resolution and progressive scan, meaning the image is not interlaced as is the case with the 1080i display standard....
) in a 40 MHz channel, and data rates of up to 1.5Gbit/s (allowing 1080i and 720p) in a single 20 MHz channel of the 5 GHz unlicensed band, conforming to FCC regulations and worldwide 5 GHz spectrum regulations. Range is beyond 100 feet (30.5 m), through walls, and latency is less than one millisecond.
Supporters
Promoters WHDI Official Site- AMIMON
- Hitachi Ltd.
- LG ElectronicsLG ElectronicsLG Electronics is a global electronics and telecommunications company headquartered in Yeouido, Seoul, South Korea. The company operates its business through five divisions: mobile communications, home entertainment, home appliance, air conditioning and business solution...
- MotorolaMotorolaMotorola, Inc. was an American multinational telecommunications company based in Schaumburg, Illinois, which was eventually divided into two independent public companies, Motorola Mobility and Motorola Solutions on January 4, 2011, after losing $4.3 billion from 2007 to 2009...
- Samsung GroupSamsung GroupThe Samsung Group is a South Korean multinational conglomerate corporation headquartered in Samsung Town, Seoul, South Korea...
- Sharp CorporationSharp Corporationis a Japanese multinational corporation that designs and manufactures electronic products. Headquartered in Abeno-ku, Osaka, Japan, Sharp employs more than 55,580 people worldwide as of June 2011. The company was founded in September 1912 and takes its name from one of its founder's first...
- SonySony, commonly referred to as Sony, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan and the world's fifth largest media conglomerate measured by revenues....
Contributors
- HaierHaierHaier Group is a multinational consumer electronics and home appliances company headquartered in Qingdao, Shandong, People's Republic of China. Its products include air conditioners, mobile phones, computers, microwave ovens, washing machines, refrigerators, and televisions...
- MaximMaxim Integrated ProductsMaxim Integrated Products is a publicly traded company that designs, manufactures, and sells analog and mixed-signal semiconductor products. Maxim develops integrated circuits for the industrial, communications, consumer, and computing markets....
- Mitsubishi ElectricMitsubishi Electricis a multinational electronics and information technology company headquartered in Tokyo, Japan. It is one of the core companies of the Mitsubishi Group....
- ToshibaToshibais a multinational electronics and electrical equipment corporation headquartered in Tokyo, Japan. It is a diversified manufacturer and marketer of electrical products, spanning information & communications equipment and systems, Internet-based solutions and services, electronic components and...
Adopters
- AmTRANAmtranAmtran can refer to:*AmTran, a manufacturer of school buses.*The former holding company of ATA Airlines.*A Taiwanese TFT LCD manufacturer....
- Domo Technologies
- ElmoElmoElmo is a Muppet character on the children's television show Sesame Street. He is a furry red monster and currently hosts the last full 15 minute segment on Sesame Street, Elmo's World, which is aimed at toddlers. His puppeteer, Kevin Clash, uses falsetto to produce his voice...
- Gemtek
- Gospell Smarthome Electronics
- HosidenHosidenHosiden manufacturers electronic components and devices. They have a strong presence in the Telecommunication and Automotive industry next to the consumer markets...
- Murata ManufacturingMurata Manufacturingis a Japanese manufacturer of electronic components, based in Nagaokakyo, Kyoto.Honorary Chairman Akira Murata started Murata Manufacturing as a personal venture in October, 1944. On December, 1950 reorganized the company into Murata Manufacturing Co., Ltd...
- Quanta Microsystems, Inc. (QMI)
- Rohde & SchwarzRohde & SchwarzRohde & Schwarz is an independent group of companies specializing in electronics. Well known as a manufacturer of electronic test equipment, they also manufacture equipment used for broadcasting, radiolocation, and radio communications...
- Seamon Science International
- TDKTDK, formerly , is a Japanese company which manufactures electronic materials, electronic components, and recording and data-storage media, and markets them globally. Their motto is "Contribute to culture and industry through creativity"...
- Zinwell
External links
- WHDI.org, the official website of WHDI SIG
- Developing Wireless High-Definition Video Modems for Consumer Electronics Devices by Guy Dorman, AMIMON