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STMicroelectronics moves to next-generation car infotainment systems

Posted: 20 Jul 2012 ?? ?Print Version ?Bookmark and Share

Keywords:car infotainment systems? digital radio chipset? synchronized streaming?

STMicroelectronics has introduced a digital radio chipset that enables simultaneous reception and processing of AM/FM and multiple digital-radio broadcasts (e.g. DAB+). ST's new digital radio chipset, which it says is an industry first, comes complete with a full software stack and support for a number of different broadcasting standards.

Developed in cooperation with Bosch Car Multimedia, ST's multistandard digital radio chipset shortcuts the path to high-performance car infotainment systems. These systems come with next-generation radio features and value-added services like synchronized streaming of textual and visual information, including real-time weather and traffic updates.

digital radio chipset

Bosch is integrating ST's multistandard digital radio receiver into its head-unit platform due to the product's performance, flexibility and integration benefits.

The chipset can receive and decode up to four channels in parallel, two for FM phase diversity and two for terrestrial digital broadcasting (e.g. DAB). With this feature, the car radio can receive audio content from one channel, while pulling real-time traffic and weather information from another one at the same time.

The radio receiver can also seamlessly switch between the analog legacy FM and the digital radio signals and simultaneously demodulate audio and data from two separate digital radio channels (DAB 1.5).

ST's new digital radio chipset is a complete receiver solution based on one or more (up to 4) multistandard RF ICs and a base-band processing IC running the full software stack. The chipset delivers real-time performance without bottlenecks in the baseband processing, coupled with low current consumption and minimized electromagnetic interference.

It supports the DAB family of standards (DAB/DAB+/DMB-A), the Digital Radio Mondiale open broadcasting standard and the HD Radio technology (when combined with an external co-processor).

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