Digital signal processors; audio and video signal processors; audio signal processors; software for use in controlling sound levels in digital and analog audio and video signals; software for controlling the audio amplification of a reproduced audio signal

Optical amplifier for fiber optic applications

telecommunications broadband wiring system for residential use consisting of telephony interface cards, audio cards, passive video splitters, amplified video splitters, ethernet hubs, data networking cards, coaxial cables, telephony and data twisted pair cables, composite cables, face plates, "F" connectors, RCA connectors, and modular wall mounted data and voice line jacks