2.3 Digital signal processing aDigital signal processing, a field which has its roots in 17th and 18th century mathematics has become an important modern tool in a multitude of diverse fields of science and technology ODigital signal processing is concerned with the representation of signals by sequences of numbers or symbols and the processing of these sequences❑Digital signal processing, a field which has its roots in 17th and 18th century mathematics, has become an important modern tool in a multitude of diverse fields of science and technology. ❑Digital signal processing is concerned with the representation of signals by sequences of numbers or symbols and the processing of these sequences. 2.3 Digital signal processing