NXT SurfaceSound | 
Distributed mode behaviour of a panel
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SurfaceSound describes DML products that, with appropriate excitation, are capable of emitting sound through bending wave action. All that is required is a self-supporting surface and an exciter. The use of materials not normally associated with loudspeaker diaphragms offers up new industrial design opportunities.
SurfaceSound exploits distributed-mode behaviour. An exciter converts an electrical signal from an amplifier into force, which in turn produces bending waves in the panel. These bending waves then generate acoustic (sound) waves that travel from the loudspeaker to the listener.
SurfaceSound enables a wide range of materials of differing shapes and sizes to be transformed into loudspeakers. This revolutionary approach has enabled NXT and our licensees to turn everyday objects into great sounding loudspeakers, through the use of NXT’s patented technologies.
Industrial designers have been empowered by this freedom to create products that merge seamlessly into our everyday environment. Surfaces now have multiple functionalities, which saves space and takes sound where it has never been before.
And it doesn’t stop there. Due to the unique properties of distributed-mode operation, the sound from an NXT panel speaker really fills the room in a natural way.
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