Callahan Digital Cinema, Inc. is a highly experienced digital cinema engineering services provider headquartered in Miami, Florida. This business founded and incorporated in 2002 by Mr. Raymond Callahan (as VRT Enterprises, Inc.), and incorporated in 2010, as Callahan Digital Cinema, Inc. specializes in digital cinema systems engineering, sustaining engineering, program and product management, systems integration, systems installation, training and field service operations. In addition, Callahan Digital Cinema, Inc. also provides product development services involving systems engineering, digital design, digital signal processing, wireless communications, systems software, and embedded software/firmware for commercial customers. CDC possesses unique experience that directly relate to the digital cinema market. CDC has designed, developed, implemented and serviced digital cinema systems utilizing high-end digital cinema projectors, servers, systems, and the network monitoring package for Sony, Technicolor, GDC, and Cinedigm VPF packages. These systems involved hardware and software development for a server based entertainment capability requiring stringent compliance to the design requirement of serviceability without on-site technical staff. CDC has integrated network components with management systems and has developed complete network operation centers (NOCs). CDC maintains expert knowledge in building and maintaining management systems and achieving peak performance from existing and new systems. To-date, CDC engineers have installed over 6,000 digital cinema systems. These systems include projectors from Barco, NEC, Christie, and Sony; servers from Dolby, Doremi, GDC, and Sony. CDC also provides world class audio system design, installation, calibration, and service. This includes product lines from Christie, Dolby, DTS-X, GDC, Klipsch, JBL, QSC, Trinnov, and USL. These systems include the immersive audio systems Dolby ATMOS, and DTS-X.