pure tone audiometer with automated masking

摘要

The present invention is readily available labial lungs car without doctor or audiologist is a professional device relates to pure-tone audiometry guide and the display unit 10 to display the pure-tone audiometry result of the procedures used to allow the hearing tests; And a sound generating circuit 20 generates and outputs an electric signal according to a control signal; Done and bone conduction headphone body vibration jimyeo and output section 30 generates and outputs a pure tone or noise for transmission received pure-tone audiometry the electrical signal of the sound generating circuit 20; Input unit 40 and provided to the user and are a pure tone generated from the output section (30) can enter the reaction; Passing the control signal to generate a pure tone and adjusts the pure tone according to the user's reaction conduction hearing inspection 50 and to test the hearing of a pure tone that is passed through the ear canal through the headphone output of the unit 30; Passing the control signal to generate a pure tone and adjusts the pure tone according to the user's response with hearing bone conduction inspection section 60 to check for the pure tone hearing which is passed through the skull bone conduction through the oscillator of the output section 30; The hearing ear, or the difference between the two sides is more than 35 dB or bone conduction hearing threshold is high relative to the end of the measurement results on both sides of the ear by ear hearing inspection conduction hearing threshold and a relatively low one ear hearing threshold is determined by checking the airway hearing If the difference between the bone conduction threshold greater than 15 db shielding and shielding checking to hear the sound while the ear side of the relatively low threshold of hearing by passing a control signal to convey the pure tone hearing ear, the other tests; Checking the conduction hearing 50, bone conduction inspection section 60 and a shield in accordance with the control signal transmitted from the inspection unit 70, transmission control signal to generate a sound in the sound generating circuit 20 and the input unit 40 The conduction hearing checking the user's reaction which is passed through the 50, the bone conduction inspection section 60 and the transmission checking the shield 70 and the conduction hearing inspection unit 50 and the bone conduction inspection section 60 and the shield inspection ( relates to a hearing test device characterized in that comprises a; the display portion 10 by passing the control signal to the controller to indicate that the results of the test procedure used for the guidance (80) with the progress of the 70). Accordingly alone without the help of a professional doctor or audiologist lungs car quickly and accurately as possible so pure-tone audiometry is made has the advantage that it is possible prevention and early detection of hearing loss.