:orphan:

########################################################
AN02050: Extend I2S loopback application with DSP and AI
########################################################

:vendor: XMOS
:version: 1.0.0
:scope: Tutorial
:description: Extends the I2S loopback application to include DSP and AI processing
:category: Voice
:keywords: AI, DSP, Serial Interface
:hardware: XK-EVK-XU316


*******
Summary
*******

This application note demonstrates incrementally adding audio DSP functionality and an AI-based keyword spotting capability to an existing I2S loopback application.


********
Features
********

* Audio Digital Signal Processing
* Keyword Spotting

************
Known issues
************

* None

**************
Required tools
**************

* XMOS XTC Tools: 15.3.1

*********************************
Required libraries (dependencies)
*********************************

* lib_audio_dsp (https://github.com/xmos/lib_audio_dsp)
* lib_board_support (https://github.com/xmos/lib_board_support)
* lib_i2s (https://github.com/xmos/lib_i2s)
* lib_xcore_math (https://github.com/xmos/lib_xcore_math)

*************************
Related application notes
*************************

* `AN00162 - Implementing an I2S Loopback Using the lib_i2s Library <https://www.xmos.com/file/an00162-using-the-i2s-library>`_
* `AN02013 - Face Id and Keyword Spotting Example <https://www.xmos.com/file/an02013-face-id-and-keyword-spotting-example>`_
