Digital signals are ubiquitous and have many applications in several disciplines:

-Digital Media, Social Media (music, voice signals),
-Biomedical Signal Analysis and Diagnosis,
-Bioinformatics
-Autonomous cars, drones, marine vessels, robots
-Big Data Analytics,
-Internet and Communications (music broadcasting, streaming).
-Scientific signal acquisition of any sort, e.g., Environment Sensing, Geophysical Prospecting.