Voice extraction

CEDAR Cambridge noise suppressors for speech

Noise suppression is needed to clean up noisy dialogue for film production, to suppress ambient noise for TV and radio, to revitalise speech libraries, and to enhance recordings for forensic audio investigation and transcription. In the past, this meant using conventional filters, noise gates, dynamics processes, or processes developed from analogue encode/decode noise reduction systems. But these proved to be inadequate, so we developed our Academy Award® winning noise suppressors and DNN-based voice extraction to remove the rumble, hiss, whistles, broadband noise and more from contaminated audio.

The processes: