10. The system of claim 9 , further comprising a voice activity detector configured to detect voice in the input microphone signal and to control the voice enhancement controller responsive to the detected voice.
10. The system of claim 9 , further comprising a voice activity detector configured to detect voice in the input microphone signal and to control the voice enhancement controller responsive to the detected voice. 11. The system of claim 10 , wherein the voice activity detector is further configured to cause the voice enhancement controller to adjust the gain of the enhancement filter based on a previous noise input responsive to detecting voice in the input microphone signal.