Pioneer has developed a speaker system called the PDSP-1, the world’s first digital sound projector, that uses 254 2.5 inch speakers to create 5.1 virtual channels. The speaker unit is only 5 inches thick and delivers 500W of power. The system was developed in conjunction with 1 Ltd, a technology development and licensing company.
Read the news article on the Pioneer Electronic web site.
Read about the technology on the 1 Ltd web site.