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# AN00248: Using lib_xua with lib_mic_array

vendor:

  XMOS

version:

  1.0.1

scope:

  Example

description:

  Using lib_xua with lib_mic_array

category:

  General Purpose

keywords:

  USB Audio, Microphone

hardware:

  XK-EVK-XU316

## Summary

This application note describes how to use `lib_mic_array` in conjunction with `lib_xua` to implement a USB Audio device with the ability to record from multiple PDM microphones.

## Features

- USB audio

- PDM microphones

## Known issues

- None

## Required tools

- XMOS XTC Tools: 15.3.1

## Required libraries (dependencies)

- lib_xua

- lib_adat

- lib_locks

- lib_logging

- lib_mic_array

- lib_xassert

- lib_xcore_math

- lib_spdif

- lib_sw_pll

- lib_xud

- lib_board_support

## Related application notes

- None