Acoustic Echo Canceller Library

lib_aec is a library which provides functions that can be put together to perform Acoustic Echo Cancellation (AEC) on input mic data using the input reference data to model the room echo characteristics. lib_aec library functions make use of functionality provided in lib_xcore_math to perform DSP operations. For more details refer to AEC Overview.

Contents:

• Repository Structure
• Requirements
• API Structure
• Getting and Building
• AEC Overview
• API Reference

On GitHub

lib_aec is present as part of fwk_voice. Get the latest version of fwk_voice from https://github.com/xmos/fwk_voice. lib_aec is present within the modules/lib_aec directory in fwk_voice

API

To use the functions in this library in an application, include aec_api.h in the application source file