Usage: It is a research tool. It is also used for education (learn signal processing) purposes. This software can be used to investigate signal property. E.g. how test or survey of A is correlated to another test or survey. How the frequency is distributed in a voice signal, in a heart sound, in a sleep pattern, in a cough etc. You may know how to deal with the signal after you are familiar with it.
Users: It may be used by scientists, researchers, designers or students etc.
