New flat flexible speakers for easier for public announcements
Engineers at the University of Warwick have developed a new loudspeaker, less than 0.25mm thick, it’s flat, flexible, 
can be hung on a wall and its particular method of sound generation could make public announcements in places like passenger terminals clearer, crisper and easier to hear. These speakers are lightweight and inexpensive to manufacture, slim and flexible.
All speakers work by converting an electric signal into sound. Warwick Audio Technology’s FFL technology is a carefully designed assembly of thin, conducting and insulating, materials resulting in the development of a flexible laminate, which when excited by an electrical signal will vibrate and produce sound.
The speaker laminate operates as a perfect piston resonator. The entire diaphragm therefore radiates in phase, forming an area source. The wave front emitted by the vibrating surface is phase coherent, producing a plane wave with very high directivity and very accurate sound imaging.
The company is currently in negotiations with a number of commercial partners and continues to welcome fresh approaches. It expects to launch its first commercial product later this year.
