SigmaTel (SGTL delisted from NASDAQ after 2008 acquisition by Freescale) is an electronics company located in Austin, TX, which designs mixed audio signal processors, and controller chips for multifunction peripherals. Electronics refers to the flow of charge (moving Electrons through Nonmetal conductors (mainly Semiconductors, whereas electrical Audio signal processing, sometimes referred to as audio processing, is the processing of a representation of auditory signals, or Sound. A microcontroller (also MCU or µC is a functional Computer system-on-a- chip. For an account of the words periphery and peripheral as they are used in biology sociology politics computer hardware and other fields see the It does not provide consumer support for its devices directly; rather, OEMs that make use of their products provide support, and are supplied with the necessary information and device drivers. An original equipment manufacturer, or OEM is typically a company that uses a component made by a second company in its own product or sells the product of the second company In computing a device driver or software driver is a Computer program allowing higher-level computer programs to interact with a Hardware device

The first-generation iPod shuffle used the SigmaTel STMP35xx and its Software Development Kit v2. The iPod Shuffle is a Digital audio player designed and marketed by Apple Inc (as iPod shuffle) 6. Over 150 portable mp3 player models use the STMP35xx highly-integrated low cost audio System On a Chip (SOC) that requires no external RAM, voltage converters, battery chargers, headphone capacitors, Analog to Digital Converters, Digital to Analog Converters, or amplifiers, and over 100 million such portable audio player SOCs were sold from 2002-2006. Audio quality was rated as best in industry. SDK3. 1x added Microsoft DRM10 support enabling services interoperability such as Rhapsody, Napster, and Yahoo Music Engine subscription audio services. Over 100 portable audio products are based on that STMP35xx SDK3. A few products using that SigmaTel SOC and software include the Dell Ditty, Creative muvo, Philips, etc.

Its line of audio CoDec chips has been found in Dell laptops, several new Dell desktops, the Sony Vaio notebook, and numerous other audio playback devices. The multinational technology company Dell Inc develops manufactures sells and supports Personal computers and other computer-related products A laptop computer, also known as a notebook computer, is a small Personal computer designed for mobile use. A desktop computer is a Personal computer (PC in a form intended for regular use at a single location as opposed to a mobile Laptop or portable computer SigmaTel sold its PC audio business in mid-2006 to Integrated Device Technology, Inc^[1] for approximately USD $80 million and so no longer derives revenue from sales of these chips. Year 2006 ( MMVI) was a Common year starting on Sunday of the Gregorian calendar. IDT ( was founded in 1980 as a Semiconductor vendor Employing approximately 2500 people worldwide headquartered in San Jose California and operating The United States dollar ( sign: $; code: USD) is the unit of Currency of the United States; it has also been

At one point, SigmaTel chips were found in over 70% of all MP3 devices sold on the market. A digital audio player, more commonly referred to as an MP3 player, is a Consumer electronics device that stores organizes and plays audio files Some However, SigmaTel lost its last iPod socket in 2006 when it was not found in the next generation iPod shuffle. PortalPlayer was their largest competitor, but were bought by Nvidia (NVDA) after PortalPlayer's chips lost their socket in the iPod. PortalPlayer is a Fabless semiconductor company that supplies System-on-a-chip semiconductors firmware and software for personal media players. The multinational NVIDIA Corporation ( (ɪnˈvɪdiə specializes in the manufacture of graphics-processor technologies for Workstations iPod is a popular brand of Portable media players designed and marketed by Apple Inc SigmaTel was voted "Best Place to Work in Austin 2005" by the Austin Chronicle. The Austin Chronicle is an Alternative weekly, Tabloid -style Newspaper published every Thursday in Austin Texas, United

In July 2005, SigmaTel acquired the rights to different software technologies sold by Digital Networks North America (a subsidiary of H&M Holdings, and owner of Rio Audio). Rio was the Brand name of a line of Digital audio players best known for producing the "Diamond Rio" model that was the impetus for a lawsuit

SigmaTel provides ready-to-use SOC software to equipment manufacturers to drive its current and next generation portable audio and video player chips. Formats decoded include MP3, WMA, WAV, VORBIS, and on STMP37xx and 36xx SOCs: MPEG4 in AVI, WMV, etc. Audio Recording and Encoding to MP3 & WAV formats are supported from microphone, SigmaTel FM IC digital audio source, or line-in. Printed Circuit Board (PCB) layouts and reference schematics are also provided to OEM and Original Development Manufacturing (ODM) customers.

After having the right to physically destroy Actions Semiconductor products at the U. S. border for IP infringement, SigmaTel recently settled all patent litigation and entered into Cross-License agreement with the Zhuhai, China based Actions Semiconductor Co. Ltd [1]. Both companies also agreed to not pursue possible third party IP infringements or new legal actions against each other and their respective customers for three years. Consequently, all of Actions' current and future products may now be imported into the U. S. market without restrictions. ^[2]

The company also won a spot in Samsung televisions. The Samsung Group ( Korean:, Samsung Guerup) is South Korea 's largest company or Chaebol and the world's largest conglomerate Sales of the company's SGTV5800 TV Audio solution, which can be used in analog, digital and hybrid televisions Samsung have been ramping. The Samsung Group ( Korean:, Samsung Guerup) is South Korea 's largest company or Chaebol and the world's largest conglomerate Recently SigmaTel has introduced the SGTV5900 which is anticipated to supplant the SGTV5800.

In mid 2007 the company introduced its new highly integrated 90 nanometer ARM based chip for portable media players, the STMP3700 line. It is anticipated that several offerings powered by this chip will be available for the 2007 holiday season.

SigmaTel's equity has traded as low as $100 million below book value. SigmaTel's balance sheet has $229 million. in stockholder equity and $94 Mil. in goodwill and intangible assets (mainly patents). A patent is a set of Exclusive rights granted by a State to an inventor or his assignee for a fixed period of time in exchange for a disclosure of an

On February 4, 2008, Freescale Semiconductor announced that it had entered into a definitive agreement to acquire SigmaTel for $110 million. Events 211 - Roman Emperor Septimius Severus dies leaving the Roman Empire in the hands of his two quarrelsome sons 2008 ( MMVIII) is the current year in accordance with the Gregorian calendar, a Leap year that started on Tuesday of the Common Freescale Semiconductor Inc is an American Semiconductor manufacturer ^{[3] [4]} The agreement closed in the second quarter of 2008 and all SGTL shares were purchased by Freescale for $3 each.

Freescale continues developing and selling the SigmaTel portable AV SOC product line which is currently the ARM9 based STMP37xx & STMP36xx AV SOCs, and the DSP56k based STMP35xx portable AV SOC. Product info continues to be at www. sigmatel. com. Freescale's i. MX2 ARM9 and i. MX3 ARM11 based multimedia SOCs product line are being integrated with the SigmaTel product line resulting in a strong portable multimedia product portfolio.

References

External links

• SigmaTel Product Line Home page
• Actions and SigmaTel Settle All Patent Litigation and Enter into Cross-License Agreement: Financial News - Yahoo! 20 June 2007

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