This is a single channel speech dereverberation method based on the paper "A two-stage algorithm for one-microphone reverberant speech enhancement" by Wang et. el. DOI: 10.1109/TSA.2005.858066; implemented in MATLAB>.
For more info please view the file 'A Presentation on A Two-Stage Algorithm for One-Microphone.pdf' or 'A Presentation on A Two-Stage Algorithm for One-Microphone.pptx'
Paper Link: https://ieeexplore.ieee.org/abstract/document/1621193