Noise cancellation device for communications in high noise environments
AssigneeLi Creative Technologies, Inc.
InventorsManli Zhu, Qi Li, Joshua J. Hajicek
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Abstract
This invention presents a noise cancellation device for improved personal face-to-face and radio communications in high noise environments. The device comprises speech acquisition components, an audio signal processing module, a loudspeaker, and a radio interface. With the noise cancellation device, the signal-to-noise ratio can be improved by as much as 30 dB.
Claims17
A noise cancellation device (NCD) for improved personal face-to-face and radio communications in high noise environments, especially for use by firefighters, first responders, or other persons, who may or may not wear a mask or other Personal Protection Equipment (PPE), comprising:
- a speech acquisition module for audio signal collection, an Audio Signal Processing (ASP) module for signal processing, a loudspeaker, and a radio interface.
Dependencies are inferred from the claim text.