Recent Researches in Electrical and Computer Engineering Proceedings of the 14th International Conference on Instrumentation, Measurement, Circuits and Systems (IMCAS '15), Proceedings of the 3rd International Conference on Acoustics, Speech and Audio Processing (ASAP '15), Proceedings of the 3rd International Conference on Automatic Control, Soft Computing and Human-Machine Interaction (ASME '15), Salerno, Italy, June 27-29, 2015