This implements an RTF (relative transfer function) estimator based on inter-frame spectral density matrix subtraction.
The algorithm is described in the paper:
- X. Li, L. Girin, R. Horaud and S. Gannot. Estimation of Relative Transfer Function in the Presence of Stationary Noise Based on Segmental Power Spectral Density Matrix Subtraction. ICASSP 2015.
Author: Xiaofei Li, Westlake University, China and INRIA Grenoble Rhone-Alpes, France