FIELD: information technologies.
SUBSTANCE: mobile communication device comprises loudspeaker (14) to reproduce speech from speech signal (s(n)), vibrator (22), facility (24) to measure background noise relative to reproduced speech and unit (16) of vibrator control for generation of control signal depending on background noise to control operation of vibrator (22) during reproduction of speech depending on level of background noise.
EFFECT: development of mobile communication device, improving speech intelligibility of speech at various levels of background noise.
8 cl, 6 dwg
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