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SigmaTel (NASDAQ transaction code: SGTL) announces the launch of a new line of high-fidelity high-definition (HD) audio codecs (Codec) that support digital microphone functions and enable audio and direct implementation on PC motherboards. Modem function.Among these new audio solutions, the SigmaTel STAC9202 and STAC9251 feature digital microphones, while the STAC9250 is paired with the Si3080 line-side modem Direct Access Arrangement (DAA) chip from Silicon Laboratories (NASDAQ transaction code: SLAB). Supports deployment of motherboard audio modem technology (A-MoM). The new high-fidelity HD audio codec enables notebook PC manufacturers to add advanced features to their systems while maintaining cost-effective management.
The STAC9202 and STAC9251 solutions enable PC manufacturers and designers to easily design laptops with built-in digital microphones to improve voice input in applications such as voice over internet protocol (VoIP) telephony, voice instant messaging (IM) and voice recognition . Because digital microphones do not require the shielded cables necessary to simulate a microphone for high-definition audio input, design complexity and assembly costs can be greatly reduced. The digital microphone is smaller and optimizes the acoustic layout on the LCD panel, reducing the noise associated with traditional analog microphones. In order to develop a complete digital microphone solution, SigmaTel worked closely with Akustica, the leader in digital microphones.
Ron Edgerton, President and CEO of SigmaTel, said: "Our customers are always demanding continuous reductions in system cost, system performance and flexibility without sacrificing product quality. SigmaTel can provide customers with The digital audio solutions they need to dramatically improve the performance of their customers. Our new digital microphones and motherboard audio modems are another proof of new features while reducing costs. Notebooks with higher integration requirements In PC design, designers can use the A-MoM technology of STAC9250 and STAC9251 to integrate the modem directly onto the PC motherboard without having to use a dedicated daughter card for discrete components in the PC system."
The STAC9250 integrates with Silicon Laboratories' modem interface technology with the STAC9251 audio codec. The integrated modem technology supports the connection to Silicon Laboratories DAA line-end devices, enabling the industry's leading audio technology to seamlessly integrate with the modem combo chipset technology of the PC market. Designers can take advantage of Silicon Laboratories' DAA technology's high integration of external passive components, minimal board space, optimal modem withstand surge and heat, and the lowest total cost of modem solutions for PCs The design of the motherboard modem. Silicon Laboratories is the industry's most extensive company in silicon DAA solutions, offering solutions that provide customers with a reliable and easy-to-deploy alternative to traditional, more expensive modem daughter cards. The DAA is fully compliant with internationally accepted PTT, EMC and safety standards.
Availability Currently, SigmaTel has supplied samples of STAC9202, STAC9251 and STAC9250 to customers.
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