CSR plc is an United Kingdom-based holding company. The Company is a provider of multifunction connectivity, audio, and location platforms. The Company is engaged in designing and supplying of integrated circuits (silicon chips) and multifunction platforms for a range of devices and applications that are used in a range of consumer electronics products. It operates in three segments: Automotive, Voice and Music and Consumer. Automotive segment includes automotive infotainment and portable navigation devices. Voice and Music segment representing all its audio products. Consumer segment includes gaming, home entertainment, personal computers (PCs), tablets, document imaging, health and fitness, and cameras. The Company�s subsidiaries include Cambridge Silicon Radio Holdings Limited and NordNav Technologies Aktiebolag.