Wireless Home Digital Interface
Wireless Home Digital Interface 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 video source to any compatible display device. WHDI is supported and driven by Amimon, Hitachi Ltd., LG Electronics, Motorola, Samsung Group, Sharp Corporation and Sony.
Versions
The WHDI 1.0 specification was finalized in December 2009. Sharp Corporation 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 × 2K resolutions.
Technology
WHDI 1.0 provides a high-quality, uncompressed wireless link which supports data rates of up to 3 Gbit/s in a 40 MHz channel, and data rates of up to 1.5 Gbit/s in a single 20 MHz channel of the 5 GHz unlicensed band, conforming to FCC 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 at CES. Sanyo 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 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. The approval allows for WHDI to begin selling devices that will carry HD content to a broader market.2008
April
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, Samsung, Sony 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
announces that it will offer television sets in Japan capable of communicating with WHDI-enabled equipment.September
plans to produce a wireless HDMI box to launch in 2009.December
AMIMON Ships Its 100,000th Wireless High-definition Chipset.ABI Research reports wireless HDTV vendors are putting money into products though few are available for consumption in North America.
Stryker will 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
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
launches Wireless HDTV Link with an HDMI 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
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
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
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 Connect2011
January
WHDI comes to TVs, PCs, tablets and a projector at the 2011 Consumer Electronics Show.KFA2 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 in Amsterdam.2012
January
AMIMON teams up with Lenovo 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 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.introduces MO-1w Visual Presenter, the first use of WHDI technology in the presentation industry.
Supporters
Promoters- Hitachi Ltd.
- LG Electronics
- Motorola
- Samsung Group
- Sharp Corporation
- Sony
Adopters
- Askey
- ASUS
- Belkin
- Elmo
- Hefei Radio
- Hosiden
- HP
- IOGear
- Jupiter
- Murata Manufacturing
- Olympus Corporation
- Quanta Microsystems - QMI
- Seamon Science International
- Syvio Image Limited
- TCL Corporation
- TDK