A Hybrid Speech Enhancement Technique Based on Discrete Wavelet Transform and Spectral Subtraction. - Yasir Iqbal; Tao Zhang 025; Teddy Surya Gunawan; Agus Pratondo; Xin Zhao 006; Yanzhang Geng; Mira Kartiwi; Nasir Saleem; Sami Bourious (IEEE Access, 2025)