The portable information-induction system for the hearing impaired "Istok A5" is designed to transmit audio information to persons with impaired hearing function, using hearing aids in the induction coil "T" mode, in public places with increased noise level, equipping areas for receiving information in order to integrate into existing warning systems. The portable system converts an acoustic signal (operator speech) or an electrical audio signal (loudspeaker signal) into an electromagnetic signal, which is received by the cochlear implant system or the telecoil of a hearing aid in the "T" telecoil mode.
It ensures that there is no extraneous noise, thereby improving speech intelligibility.
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