Bluetooth LE remote module provides high quality audio streaming solution for OEMs

06
Sep
2017
Oslo, Norway
Module, RFsen

The ‘BT5 Bi-Direction Audio Remote Module’ from RFsen employs Nordic’s Bluetooth 5-compatible nRF52832 SoC to enable ‘better than CD quality’ audio streaming between consumer electronic products

Nordic Semiconductor today announces that Shanghai, China-based RFsen has selected Nordic’s award-winning nRF52832 Bluetooth® Low Energy System-on-Chip (SoC) for its ‘BT5 Bi-Direction Audio Remote Module’. The module allows OEMs to provide bi-directional wireless audio streaming between, for example, a smart TV, set-top box, sound box or sound bar, and a user’s Bluetooth 4.0 (and later) Android smartphone or tablet.

Once paired, the module allows remote audio streaming between the audio equipment and the user’s mobile device, enabling playback via wired or wireless headphones connected to the device, and ensuring the audio does not disturb anyone else in the room where the audio equipment is in operation.

Thanks to the Nordic nRF52832 SoC’s support for Bluetooth 5’s 2 Mbps physical layer (PHY), RFsen’s module can support high-bandwidth audio streaming via Bluetooth LE, offering a 48KHz audio sampling rate (superior to CD quality) with much lower power consumption than Bluetooth audio solutions based on Bluetooth Basic Rate/Enhanced Data Rate (BR/EDR) technology.
The fact that Nordic’s Bluetooth 5 stack was very stable was another key reason for the decision, combined with good and timely technical support from Nordic engineers.
Neil Niu, RFsen

Nordic’s nRF52832 Bluetooth LE SoC, a member of Nordic’s sixth generation of ultra low power (ULP) wireless connectivity solutions, combines an ARM M4F processor with a 2.4GHz multiprotocol radio (supporting Bluetooth 5, ANT™, and proprietary 2.4GHz RF software) featuring -96dB RX sensitivity, with 512kB Flash memory and 64kB RAM. When launched, the SoC was the world’s highest performance single-chip Bluetooth LE solution, delivering up to 60 percent more generic processing power, offering 10 times the Floating Point performance and twice the DSP performance compared to competing solutions.

“The most important hardware features that convinced us to use Nordic’s nRF52832 SoC were the ARM M4F core and its memory resources,” says Neil Niu, RFsen Co-founder. “The fact that Nordic’s Bluetooth 5 stack was very stable was another key reason for the decision, combined with good and timely technical support from Nordic engineers.”

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