Digital audio systems electronically record and store audio signals such as voice, music, alarm, and security messaging for broadcast, editing, monitoring, and playback

Audio transformers are involved in the transmission of voice or sound signals.

Digital video recorders record and store video camera output in digital form on disk

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

Audio processors IC are semiconductor devices used to detect, decode and process analog or digital video

Digital-to-analog converter (DAC) chips convert digital signals that represent binary numbers into proportional analog voltages

Audio visual service providers design, integrate, and install multimedia equipment for corporate, production, and broadcasting applications