Orthogonality-Constrained CNMF-Based Noise Reduction with Reduced Degradation of Biological Sound - Murakami, Naoto; Nakashima, Shota; Fujimoto, Katsuma; Makihira, Shoya; Nishifuji, Seiji; Doi, Keiko; Li, Xianghong; Hirano, Tsunahiko; Matsunaga, Kazuto (Sensors (Basel, Switzerland), 2021)
Keywords: Acoustics; Angina pectoris; Automation; biological sound; biomedical signal processing; Cardiac arrhythmia; Chronic obstructive pulmonary disease; Methods; Microphones; Noise; noise reduction; respiratory sound; Sensors; Signal processing; Sound; vascular sound; Wearable computers; wearable device; Japan