Patent ID: 6978010

Claim:
A communications device, comprising: a first microphone having a microphone output providing a first signal containing both voice and ambient noise; a second microphone having a microphone output providing a second signal containing substantially only ambient noise; an ambient noise compensation signal generator having (i) an ambient noise compensation signal generator input connected to both the first microphone output and the second microphone output and (ii) an ambient noise compensation signal generator output; a mixer having (i) a first mixer input in communication with the first microphone output and (ii) a second mixer input connected to the ambient noise compensation signal generator output and (iii) a mixer output; and a transmitter having a transmitter input connected to the mixer output and a transmitter output in communication with an antenna, wherein ambient noise picked up by the first microphone and by the second microphone is processed by the ambient noise compensation signal generator and wherein the ambient noise is attenuated before being passed to the transmitter.