An audio adjustment system for a vehicle includes a detection module that is configured to receive an image and detect a face of at least one of a passenger of the vehicle and a pedestrian near the vehicle. An age estimation module is configured to estimate an age of the at least one of the passenger and the pedestrian based on the detected face. An adjustment determination module is configured to determine an audio adjustment parameter for an audio signal based on the estimated age of the at least one of the passenger and the pedestrian.