Specialized audio equipment is used in specific industries such as the recording industry, and for specialized applications such as voice digitizing and analysis.

Intercoms are an electronic communications system generally composed of fixed microphone/speaker units connected to a central control device.

Computers are programmable electronic devices that accept data, execute prerecorded instructions, perform mathematical and logical operations, and output results.

Industrial computers are similar to personal computers (PC), but they are intended for use on a factory floor or in other harsh environments.

Computer workstations are client computers that connect to a network and share data with other machines.

Laboratory fume hoods are partially enclosed workspaces that are exhausted to the outside.

Handheld computers are portable devices including notebook and subnotebook computers, palmtops, and PDAs