The interior cabin of a vehicle is provided with a vehicular sound-processing
system that comprises an interior rearview mirror assembly, the mirror assembly
including a mirror housing and a reflective element. An accessory is located in
the interior cabin. The interior rearview mirror assembly comprises a user-interaction
site for a wireless communication system, the wireless communication system communicating
with the accessory. The user-interaction site comprises at least one microphone
for producing an audio output in response to detection of vocal input of a human
speaker in the interior cabin with the vehicle cabin noise superimposed thereon.
Preferably, the user-interaction site further comprises at least one manually operated
control input. The restricted-range wireless communication system preferably comprises
one of a radio frequency restricted-range wireless communication system and an
infrared restricted-range wireless communication system. Signals indicative of
the vocal input detected at the user-interaction site of the interior mirror assembly
are wirelessly broadcast to the accessory located in the interior cabin of the vehicle.
