Voice To Noise Ratio Estimator Library

lib_vnr is a library which estimates the ratio of speech signal in noise for an input audio stream. lib_vnr library functions uses lib_xcore_math to perform DSP using low-level optimised operations, and lib_tflite_micro and lib_nn to perform inference using an optimised TensorFlow Lite model.

Contents

• Repository Structure
• Requirements
• API Structure
• Getting and Building
• VNR Inference Model
• VNR Overview
• API Reference

On GitHub

lib_vnr is present as part of fwk_voice. Get the latest version of fwk_voice from https://github.com/xmos/fwk_voice. The lib_vnr module can be found in the modules/lib_vnr directory in fwk_voice.