STM32Cube function pack for MEMS microphone acquisition, advanced audio processing and audio output

FP-AUD-SMARTMIC1 is an STM32Cube function pack. This software package implements a complete application targeting advanced processing for MEMS microphone arrays, including digital MEMS microphone acquisition, beamforming, source localization and acoustic echo cancellation. The processed audio is sent to a USB host and a loudspeaker connected to the relevant expansion boards.

The function pack is built on STM32Cube software technology to ease portability across different STM32 microcontrollers.

This sample implementation supports two kind of systems: STM32 NUCLEO-F446RE development board equipped with the X-NUCLEO-CCA01M1 or X-NUCLEO-CCA02M1 expansion boards and the STEVAL-MKI129Vx digital microphone evaluation board series or the BlueCoin starter kit (STEVAL-BCNKT01V1).

Key Features

  • AcousticBF real-time beam forming software expansion for STM32Cube
  • AcousticEC real-time acoustic echo cancellation software expansion for STM32Cube
  • AcousticSL real-time sound source localization software expansion for STM32Cube
  • Complete application including all the acoustic functions in a single sample application
  • Software graphic user interface to easily control parameters and algorithms from a host PC
  • Free, user-friendly license terms
  • Sample implementation available on a NUCLEO-F446RE board when connected to an X-NUCLEO-CCA01M1 and an X-NUCLEO-CCA02M1 expansion board
  • Sample implementation available on the BlueCoin starter kit (STEVAL-BCNKT01V1)




Technical Documentation

Product Specifications
Description Version Size
DB3275 DB3275: STM32Cube function pack for MEMS microphone acquisition, advanced audio processing and audio output 2.0 530 KB
User Manuals
Description Version Size
UM2214 UM2214: Getting started with AcousticBF real-time beam forming middleware 1.0 736 KB
UM2213 UM2213: Getting started with AcousticEC, real-time acoustic echo cancellation middleware 1.1 250 KB
UM2212 UM2212: Getting started with AcousticSL real-time sound source localization middleware 1.0 411 KB
UM2219 UM2219: Getting started with STM32Cube function pack for MEMS microphones acquisition, advanced audio processing and audio output 2.0 2 MB

Presentations & Training Material

Description Version Size
FP-AUD-SMARTMIC1 Quick start guide 1.0 2 MB
STM32 and STM8 embedded software solutions 6.0 2 MB


License Agreement
Description Version Size
SLA0077 SLA0077: SOFTWARE LICENSE AGREEMENT ("Agreement") 2.5 126 KB

Tools and Software

STM32 Open Development Environment
Evaluation Tools
Product Evaluation Tools
Solution Evaluation Tools

Get Software

Part Number Software Version Marketing Status Supplier Order from ST
FP-AUD-SMARTMIC1 1.1.1 Active ST