One of the most common jobs for an Audio Forensic Expert is  forensic audio enhancement. This is the scientific process of removing unwanted sound and exposing the wanted sound. Most of the time, wanted sound will include speech or dialogue. This scientific process is done in order to improve intelligibility and clarification.
Audio evidence is often recorded in less than optimal situations with poor quality equipment. This evidence can be vital to a case and when the content of the recording cannot be heard, the evidence can become useless.  This is why the audio enhancement process is one of the most important jobs as an