ENHANCEMENT OF SPEECH INTELLIGIBILITY IN A MOBILE COMMUNICATION DEVICE BY CONTROLLING THE OPERATION OF A VIBRATOR IN DEPENDANCE OF THE BACKGROUND NOISE

摘要

The invention relates to a mobile communication device comprising: -loudspeaker (14) for reproducing speech from a speech signal (s(n)), - a vibrator (22), - means (24) for measuring background noise in relation to said reproduced speech, and - a vibrator processing unit (16) for generating a control signal dependant on said background noise for controlling operation of said vibrator (22) during speech reproduction dependent on a level of said background noise.