Loud air conditioners. Crowded train stations. Noisy CD drives and computer fans. Electrical hum. The click of your keys as you type.

Noise is all around us, and it interupts conversations, ruins recordings, and causes intelligibility problems and an overall unpleasant user experience.

iZotope ANR works dynamically and without user-interaction to automatically detect noise and eliminate it. Other noise reduction techniques fail when background noise changes, but iZotope ANR adapts instantly to keep audio crystal clear.



iZotope ANR is ideal for VoIP (Voice Over IP), instant messenger voice chats, internet teleconferencing, "voice over" recording, video game conferencing, home video recording devices, and any configuration with consumer microphones. Removing broadband and impulsive noise also increases the effectiveness of voice recognition and increases audio compression rates for some codecs.

Since laptops and similar devices embed the microphone in the same enclosure as the keyboard, track pad, or other user interface, iZotope ANR also includes a click suppression feature for dampening the impulsive noise of keyboards and buttons. It addresses the problem of users typing during a web conference or instant messenger voice chat.

For manufacturers, iZotope ANR is an easy way to improve the quality of an embedded microphone without changing hardware. For software developers with voice recording or broadcast features, iZotope ANR is a quick way to significantly improve the user experience without requiring the user to purchase additional headsets, microphones, or other equipment.

Removes environmental and device noise


Adapts to changing noise signature


Automatic operation requires no training


Requires only a single microphone


Simple integration into any platform


Low-latency and processor-efficient operation


Can be pre-tuned and optimized for your device


Cost effective alternative to hardware solutions

Embedded laptop microphones


Voice instant messaging, video conferencing, videogame voice chat


Live broadcast, live sound reinforcement


Server-side voice and telephony messaging quality differentiator


Voice recognition for computers, cell phones, and automated telephone systems


Consumer electronics devices such as microphones, personal recording devices, and video cameras


General industrial applications for communication in high noise environments


Hands-free car/automotive telephones

For more information on incorporating iZotope's technology into your application or device, please submit your contact information and a short description of the project.

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