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Bluetooth ICs boost audio in wireless headsets

Posted: 31 Jan 2007 ?? ?Print Version ?Bookmark and Share

Keywords:Bluetooth? DSP? ARM? Broadcom? wireless headset?

Broadcom Corp. is sampling two single-chip Bluetooth products that are designed to improve the user experience of wireless mono and stereo headsets.

Based on its Bluetooth technology, Broadcom's BCM2047 and BCM2044 support Bluetooth Version 2.0 with enhanced data rate (EDR)upgradeable to Bluetooth version 2.1as well as its SmartAudio sound enhancement technology.

The BCM2047 integrates a DSP. The audio processing capabilities of the BCM2047 are powered by an ARM AudioDE data engine. The BCM2047 has been designed to be firmware-upgradeable to future specifications and is fully compliant and backward compatible with prior Bluetooth version 1.1- or 1.2-based systems.

The BCM2044 is for basic audio headsets that don't require extensive feature programmability. The BCM2044 includes many of the benefits of the BCM2047 at a lower cost. Featuring the same low-power Bluetooth radio and high quality audio architecture as the BCM2047, the BCM2044 also integrates a power management unit, including comprehensive safety circuitry.

- Ismini Scouras

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