Evaluation platform for expected LE Audio specifications

January 07, 2020 //By Ally Winning
Nordic Semiconductor has partnered with Packetcraft, a Bluetooth LE stack developer, to launch an LE Audio Evaluation Platform.
Nordic Semiconductor has partnered with Packetcraft, a Bluetooth LE stack developer, to launch an LE Audio Evaluation Platform.

The solution is intended to show the benefits of LE Audio and has been developed to support the LE Audio specifications that should be released by Bluetooth SIG in the first half of this year.

Bluetooth LE Audio provides a high-quality wireless audio solution that has been based on Bluetooth LE radios. The new standard can lower power consumption by up to 40% compared to classic Bluetooth audio. It also provides better audio quality and allows the design of products that deliver both wireless data and audio streaming.

The new LE Audio solution contains a hardware reference design built around Nordic's nRF52832 Bluetooth LE SoC, Cirrus Logic's CS47L35 smart codec with integrated low power Audio DSP, Packetcraft's Bluetooth LE host stack and link layer supporting LE Audio, and an LE Audio SDK.

The LE Audio Evaluation Platform can operate both source and sink modes. Both a source and a sink are needed to create an LE Audio link. The platform also uses Cirrus Logic's SoundClear for uplink noise reduction and echo cancellation, playback enhancement, voice control, and hearing augmentation.

The evaluation platform incorporates an acoustic connector that can accommodate up to six microphones or two speakers, a 3.5-mm headset jack, a 3.5-mm source jack, and a USB connector for charging, debug (using Nordic development tools), and acoustic tuning (using the Cirrus Logic WISCE platform).

More information

www.nordicsemi.com/

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