| 摘要 |
<p>Hearing aid with a casing (5) accomodating at least one sound to electric converting transducer (2) converting sounds in the environment into electrical signals and a signal processing unit (4) for amplifying the electrical signal and an electrical to sound transducer (3) for receiving the amplified electrical signal and delivering a sound signal to the ear, whereby at least one further sound to electric converting transducer (6, 7) is provided, whereby a sound passage leads from the interior of the casing (5) to one of the at least one further transducer and/or whereby a sound passage is provided between the casing and one of the at least one further transducers.</p> |
