Sigma Designs, Inc. was an American public corporation that designed and built high-performance system-on-a-chip semiconductor technologies. The company provided intelligent platforms for use in home entertainment, home and industrial control appliances, and mobile Internet of Things (IoT) solutions. Sigma Designs was known for its products in the areas of Internet-based set-top boxes, DVD players/recorders, high-definition televisions, media processors, digital media adapters, portable media players, and home connectivity products.

Sigma Designs was founded in 1982 and was headquartered in Fremont, California. The company had locations in several countries including Canada, Denmark, France, Israel, Japan, Netherlands, and Singapore. Over the years, Sigma Designs made significant contributions to the development of media processing and home networking technologies. It released the first 1080p capable media player chipset in 2007 and was involved in various acquisitions, including the purchase of Gennum's VXP image processing business and Zensys, the company behind the Z-Wave wireless mesh networking technology. In 2017, Silicon Labs announced a definitive agreement to acquire Sigma Designs, but due to unmet closing conditions, Sigma Designs sold its Z-Wave business to Silicon Labs and began the process of liquidation and dissolution.

Sigma Designs had core competencies in designing and building system-on-a-chip semiconductor technologies. The company excelled in media and video processing, home control technologies, and home networking solutions. It also provided engineering support services and customized integrated circuit development. Sigma Designs owned the intellectual property for Z-Wave, a leading IoT technology for smart home solutions, and had alliances with major technology companies like Microsoft.

Sigma Designs held a significant position in the semiconductor industry, particularly in the areas of connected media platforms and smart home technologies. The company's products were used in various applications such as IPTV set-top boxes, Blu-ray players, HDTVs, and home networking products. Its Z-Wave technology was a leading standard in wireless smart home solutions, with over 2,100 certified interoperable products worldwide.

Sigma Designs' complete product catalog included a variety of semiconductor technologies and related products. This included media processors like the SMP8670 and SMP8910, home networking solutions such as HomePlug AV and HomePNA, and the Z-Wave technology for smart home control. The company also provided legacy products and software development kits along with engineering support services.

Sigma Designs' products were used by several well-known clients, including major manufacturers of consumer electronics. The company had alliances with technology giants like Microsoft and provided solutions to companies such as Verizon, which used Z-Wave technology for home control and security services. Other clients included French company Free Inc., which used Sigma Designs' media processors for 3D broadcasts.

Sigma Designs had significant relationships with other companies in the technology sector. It was part of several expert collections, including those focused on semiconductors and advanced electronics. The company also had alliances with major technology firms and was involved in various acquisitions and partnerships, such as the acquisition by Silicon Labs in 2018.

Sigma Designs was headquartered at 47467 Fremont Blvd., Fremont, California, 94538, United States. The company could be contacted at 510-897-0200. However, due to its liquidation and dissolution, these contacts may no longer be active.

The official website of Sigma Designs, www.sigmadesigns.com, is no longer active due to the company's liquidation and dissolution.