iZotope was showing broadcasters the ANR-B™ Adaptive Realtime Noise Reduction Unit at NAB, bringing the company’s audio algorithm for adaptive noise reduction to a dedicated hardware unit for use in real-time broadcast applications.

ANR-B uses iZotope’s noise reduction technology to intelligently identify and suppress environmental broadband noise, hum, phone line artifacts and more, dramatically increasing the quality of audio broadcasts involving radio call-in programs and on-location broadcasting. Unlike other noise reduction solutions, iZotope’s ANR-B actually detects noise in real-time and adapts to changing noise over time, allowing for automatic operation with little to no input required from the user.

Designed to suit a wide range of broadcast applications, the two-channel ANR-B features broadcast connections including analog and digital I/O, LAN for advanced parameter control, and remote automation capability. Presets are available for common applications while simple controls and clear meters help to quickly customize settings for unique situations. While ANR-B is designed to automatically determine a noise print, a manual learn function enables the unit to reduce noise of a specific trained profile, adding to the unit’s flexibility.