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Sigma Designs, Inc., was an American public corporation that designed and built high-performance system-on-a-chip semiconductor technologies for Internet access , /recorders, high-definition televisions, , digital media adapters, portable media players and home connectivity products. In addition to platform processing and home network hardware, Sigma Designs also offered engineering support services and customized integrated circuit development.
The company developed products for the following connected media platforms: IPTV (video over IP) set-top boxes, TV media players (such as Blu-ray), , multimedia players, digital media adapters, portable media players, and products, such as HomePlug AV, HomePNA and G.hn. Sigma Designs owns the intellectual property and was one of two chip makers for the Z-Wave home control technology. Sigma had alliances with other technology companies, including Microsoft, and their products are found in stand-alone full HD multimedia players.
Sigma Designs began making boards for computers, such as the ReelMagic MPEG decoder. Its products were used in many of the first Blu-ray players since 2005. Sigma also have more than ten-year history in the IPTV market.
In late 2007 Sigma Designs released the first 1080p capable media player chipset, the SMP863x. It spawned a series of stand-alone media players from early 2008 onwards.
Sigma Designs' products were sold worldwide through a direct sales force and distributors. Sigma's Common Stock, publicly traded since 1986, was listed on the NASDAQ National Market under the symbol SIGM.
On December 7, 2017, Silicon Labs announced a definitive agreement to acquire Sigma for approximately $282m. On January 23, 2018, Sigma announced it was unable to meet certain closing conditions, and instead it planned to sell its Z-Wave business to Silicon Labs for $240m, and liquidate the company. The sale of the Z-Wave business to Silicon Labs was completed on April 18, 2018.
On December 18, 2008, Sigma Designs announced the acquisition of California-based Zensys, a company that provides the wireless mesh networking technology Z-Wave.
On October 14, 2009, Sigma purchased Israeli home-networking chip maker CopperGate for $160 million in cash and stock. CopperGate technologies included HomePNA and HomePlug AV networking technologies. Sigma has since updated HomePlug AV to include ClearPath, an award-winning technology which significantly increases throughput.
On March 21, 2012, Sigma announced that it has signed an asset purchase agreement to serve as the "stalking horse bidder" to acquire certain assets of Trident Microsystems, Inc.’s Digital Television (DTV) Business, which includes certain products, licensed intellectual property, software and leased facilities, for $21 million in cash plus assumption of specified liabilities.
Sigma Designs offers media and video processing technology, with the SMP8910 and SMP8670 processors, introduced at the 2011 Consumer Electronics Show. The 2011 technology offered VXP video processing to clean up artifacts and picture quality on High Definition and 3D content. Although the 8910 chipset was announced at CES (January) 2011, no implementations of this chipset seemed imminent until September 2012. In September 2012, Syabas demonstrated their new Popcorn Hour A-400 media player using the 8911 non-macromedia version of the 8910 chipset at IFA 2012 and Cedia 2012. It is expected to start shipping November 2012.
In June 2011, Sigma announced an “Ultra-Thin Set-Top Box” reference platform named Skini that provides over-the-top content along with over-the-air and cable functionality.
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