The patent authorities have acknowledged Nureva's approach to intelligent sound targeting, position-based gain control, and echo cancellation. The patents represent the latest addition to Nureva’s active and growing intellectual property portfolio. Understanding Each Patent US 11,689,849 discloses the ability of the microphone array to preemptively identify semi-persistent unwanted sound sources. This approach optimizes the talker’s gain while maintaining ambient noise at a quieter and more consistent level.