The BK32888 is a dual-mode Bluetooth 5.2 system-on-chip solution.
Overview
The BK32888 is a dual-mode Bluetooth 5.2 system-on-chip solution supporting digital hearing aids, hearing implant devices, active noise cancellation, keyword spotting, and voice commands.
The 64-bit SIMD DSP supports up to 300 MHz floating-point processing, and works with a 32-bit RISC MCU to provide low-delay and low-power audio processing capability. Flexible and abundant peripherals make it ideal for different Bluetooth audio applications, such as hearing aids and true wireless stereo.
Features
Bluetooth 5.2 classic and Low Energy
Stand-alone hardware FFT, FIR filter and audio equalizer
Fully programmable filter engine
Less than 10 µs audio ADC to DAC loop delay
24-bit audio quality with 104 dB dynamic range
CMOS 28 nm low-power process
Array microphone noise reduction
Active noise cancellation
Code encryption and system security