SigmaTel

SigmaTel (SGTL delisted from NASDAQ after 2008 acquisition by Freescale Semiconductor) was a System On a Chip SOC electronics and software company headquartered in Austin, Texas, that designed AV media player/recorder SOCs, reference circuit boards, SOC Software Development Kits built around a custom cooperative kernel and all SOC device drivers including USB Mass Storage and AV decoder DSP, media player/recorder software apps, and controller chips for multifunction peripherals. SigmaTel became Austin's largest IPO as of 2003 when it became publicly traded on NASDAQ. The company was driven by a talented mix of electrical and computer engineers plus other professionals with semiconductor industry experience in Silicon Hills, the number two IC design region in the United States, after Silicon Valley.

In 2004, SigmaTel SoCs were found in over 70% of all flash memory based MP3 devices sold in the global market. However, SigmaTel lost its last iPod socket in 2006 when it was not found in the next-generation iPod Shuffle. PortalPlayer was the largest competitor, but were bought by Nvidia after PortalPlayer's chips lost their socket in the iPod. SigmaTel was voted "Best Place to Work in Austin 2005" by the Austin Chronicle.

In July 2005, SigmaTel acquired the rights to different software technologies sold by Digital Networks North America (a subsidiary of D&M Holdings, and owner of Rio Audio).

In July 25, 2006, Integrated Device Technology, Inc. (IDT) announced its acquisition of SigmaTel, Inc.'s AC'97 and High Definition Audio (HD-Audio) PC and Notebook audio codec product lines for approximately $72 million in cash, and the acquisition of SigmaTel's intellectual property and employee teams necessary for continuing existing product roadmap, with expected closure by the end of July.

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