Sony Electronics (SEL) is the U.S. sales and marketing arm of Sony's global electronics business. It is a leading provider of audio/video electronics and information technology products for the consumer and professional markets. Operations include research and development, design, engineering, sales, marketing, distribution and customer service. Sony has played a key role in the development of Blu-ray Disc™, CD, DVD and Super Audio CD technologies, among many others. The Company produces and sells a wide range of consumer products, such as BRAVIA® high-definition televisions, Cyber-shot® digital cameras, Handycam® camcorders, VAIO® personal computers and Walkman® digital music players. Sony is an innovator in high-definition professional broadcast and video equipment, as well, highlighted by the XDCAM® HD and CineAlta™ lines of cameras and camcorders, and the SXRD™ 4K digital projector. Sony also offers a full line of business-to-business products for medical, security, visual imaging and photofinishing applications. SEL is headquartered in San Diego, CA.