An acoustic analysis system comprising: an acoustic sensor array comprising a plurality of acoustic sensor elements, each of the plurality of acoustic sensor elements being configured to receive acoustic signals from an acoustic scene and output acoustic data based on the received acoustic signals; an electromagnetic imaging tool configured to receive electromagnetic radiation from a target scene and output electromagnetic image data representative of the received electromagnetic radiation; a display; and a processor in communication with the acoustic sensor array and the display, the processor being configured to: receive acoustic data from the acoustic sensor array and generate acoustic image data based on the received acoustic data; determine one or more parameters representative of the acoustic signals at one or more locations in the acoustic scene, characterised in that the one or more parameters includes at least one parameter selected from the group consisting of: periodicity, apparent proximity, measured proximity, and a rate of change of those parameters; generate a display image that includes electromagnetic image data, acoustic image data, and information indicative of the one or more parameters at one or more locations in the acoustic scene, wherein generating the display image comprises combining electromagnetic image data with acoustic data only at locations in the acoustic scene at which the one or more parameters satisfy a predetermined condition; and communicate the display image to the display for presentation to user. an acoustic sensor array comprising a plurality of acoustic sensor elements, each of the plurality of acoustic sensor elements being configured to receive acoustic signals from an acoustic scene and output acoustic data based on the received acoustic signals; an electromagnetic imaging tool configured to receive electromagnetic radiation from a target scene and output electromagnetic image data representative of the received electromagnetic radiation; a display; and a processor in communication with the acoustic sensor array and the display, the processor being configured to: receive acoustic data from the acoustic sensor array and generate acoustic image data based on the received acoustic data; determine one or more parameters representative of the acoustic signals at one or more locations in the acoustic scene, characterised in that the one or more parameters includes at least one parameter selected from the group consisting of: periodicity, apparent proximity, measured proximity, and a rate of change of those parameters; generate a display image that includes electromagnetic image data, acoustic image data, and information indicative of the one or more parameters at one or more locations in the acoustic scene, wherein generating the display image comprises combining electromagnetic image data with acoustic data only at locations in the acoustic scene at which the one or more parameters satisfy a predetermined condition; and communicate the display image to the display for presentation to user. receive acoustic data from the acoustic sensor array and generate acoustic image data based on the received acoustic data; determine one or more parameters representative of the acoustic signals at one or more locations in the acoustic scene, characterised in that the one or more parameters includes at least one parameter selected from the group consisting of: periodicity, apparent proximity, measured proximity, and a rate of change of those parameters; generate a display image that includes electromagnetic image data, acoustic image data, and information indicative of the one or more parameters at one or more locations in the acoustic scene, wherein generating the display image comprises combining electromagnetic image data with acoustic data only at locations in the acoustic scene at which the one or more parameters satisfy a predetermined condition; and communicate the display image to the display for presentation to user.