摘要 |
<p>A system (34) for facilitating conversational communications in an environment with background noise (15), the system (34) including a microphone (20, 20-1, 20-2, 20-3, 20-4, 48) for sensing the background noise (15), a signal processor (24) configured to process the microphone output (70) and produce an anti-noise electrical output (14), and a directional speaker array (32, 32-1, 32-2, 32-3, 32-4) configured to receive the anti-noise electrical output (14) and directionally broadcast anti-noise audio output (14), the anti noise audio output (14) destructively interfering with the environmental background noise (15).</p> |