EVP or Electronic Voice Phenomena is a term used to describe the reported discovery of voices or other attempts at communication unintentionally captured in otherwise normal audio recordings or recordings intentionally sought in radio static or ambient recorded background noise.

Usually audio recordings need to be filtered and manipulated to separate put the suggested EVP or extra-sensitive or specially prepared recording equipment needs to be used.

The electromagnetic field detectors are capable of detecting electric fields between 0 and 1000 V/m (volts/meter) and magnetic fields up to 1000 milliGauss. In practise the detectors will be looking for fields in the bottom one percent of this range - between 0 and 10 on both scales.

The monitors have been designed to eliminate as much background 'noise' as possible - particularly strong anthropogenic fields that might produce false positive readings -the domestic current is still connected and the house is full of electrical equipment.

An electromagnetic field is a property of space through which an electric charge is in motion. A motionless electric charge will produce an electric field in its surrounding area, while a charge in motion will also produce a complementary magnetic field.
An electromagnetic field can be see as the product of the interaction between electric and magnetic fields, but as having an existence in space independent of is related charges or currents.

We all have a very clear idea of what a ghost looks like: a pale apparition that looks something like old man Wilkins from the fairground with a sheet draped over his head. But this description rarely if ever fits what is experienced in claimed paranormal encounters. What exactly do we mean when we talk about ghosts?

The main emphasis of the Maze House investigation has been and will continue to be split between collecting scientific data on and amassing individual, subjective reactions to the house.

The primary source of data about the house will be the network of EMF monitors. These will provide data to a central computer that will then store it for analysis. The intention is also, eventually, to make the output of the monitors visible, live, on this website.

The aim is to investigate the accounts of paranormal activity in The Maze House. Given the absence of the homeowners the investigators have an unparalleled opportunity to conduct a long and thorough examination of the house.
In addition to a simple investigation of the house by the team, the project will have a more technical aspect. As part of an attempt to examine in depth the physical attributes of a paranormal manifestation the team have positioned throughout the house a number of electromagnetic field monitors.