Hands-free system for speech signal acquisition

摘要

The invention is directed to a hands-free system for speech signal acquisition in a vehicular cabin comprising at least one first directional microphone being oriented in a first direction, at least one second directional microphone being oriented in a second direction different from the first direction, and a noise reduction device configured to cancel a noise part in a signal from the at least one first directional microphone using a signal from the at least one second directional microphone.