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OBJECTIVE To investigate speech recognition performance in noise with bilateral open-fit hearing aids and as reference also with closed earmolds, in omnidirectional mode, directional mode, and directional mode in conjunction with noise reduction. DESIGN A within-subject design with repeated measures across conditions was used. Speech recognition(More)
The vibration velocity of the lateral semicircular canal and the cochlear promontory was measured on 16 subjects with a unilateral middle ear common cavity, using a laser Doppler vibrometer, when the stimulation was by bone conduction (BC). Four stimulation positions were used: three ipsilateral positions and one contralateral position. Masked BC pure tone(More)
Patients operated on for chronic otitis media sometimes have problems with persistent discharge from the ear when using a conventional hearing aid with an ear mould located in the ear canal. A new technique where a hearing aid for bone-conducted sound is mounted on an osseointegrated titanium screw located in the mastoid area is available. The method was(More)
OBJECTIVE The objective is to evaluate the electro-acoustic performance of a new audiometric bone vibrator, the B81 from Radioear Corporation, USA. Comparison will be made with the widely used B71 which has well-known limitations at low frequencies. DESIGN The B81 is based on the balanced electromagnetic separation transducer (BEST) principle where static(More)
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