主题词：Diverse Scientific and Economic Studies; Human auditory perception and evaluation; Neural Networks and Applications; Blind Source Separation Techniques; Image and Signal Denoising Methods; Speech and Audio Processing; Educational Robotics and Engineering; Sensor Technology and Measurement Systems; Digital Filter Design and Implementation; Sparse and Compressive Sensing Techniques; Music and Audio Processing; Ferroelectric and Negative Capacitance Devices; Big Data and Digital Economy; Advanced Adaptive Filtering Techniques; Speech Recognition and Synthesis; Advanced Data Compression Techniques; Experimental Learning in Engineering; Academic Publishing and Open Access; Advanced Wireless Communication Techniques; Advanced Vision and Imaging; Digital Media and Visual Art; EEG and Brain-Computer Interfaces; Indoor and Outdoor Localization Technologies; Distributed Sensor Networks and Detection Algorithms; Target Tracking and Data Fusion in Sensor Networks