Document Type

Working Paper


Available under a Creative Commons Attribution Non-Commercial Share Alike 4.0 International Licence

Publication Details

Industry focused Continuing Professional Development (CPD) module on Digital Signal Processing for Engineers Ireland.


Signals are all around us and come in a wide variety of shapes and forms. When we speak we create pressure variations in the air which generate audio signals; earthquakes produce large seismic signals; healthcare professionals monitor ECG signals which capture the electrical activity of the heart; radio, internet and telephone signals are being transmitted across the world; the list of signals is endless! (see 2 minute video at for some examples) Digital signal processing (DSP) is primarily about making use of computers to help us analyse and manipulate signals in order to help us with our everyday lives. To get a flavour of where DSP is being used check out the lists below; it really is a key component in many innovative solutions and products in recent times