CEDAR Forensic
Audio Restoration for Forensic Investigations
Forensic audio is the application of audio technology to the areas of criminal and civil law, security, and other matters of public interest. We can trace its beginnings to WWII, when it became important to be able to identify and understand voices broadcast by radio. This was when the spectrogram, or "voiceprint" was first developed.
The field has developed rapidly in the past twenty years, and digital technology has made possible techniques that were almost unimaginable in the middle of the 20th century. Systems based on these techniques are now in routine use worldwide, and are no longer the preserve of government agencies and military forces. Smaller legal organisations and forces use forensic audio systems on a daily basis, while other industries to benefit from such products include avionics and air traffic control.
