Adjustable earmuff type sound field audiometry device
An earmuff-type, adjustable technology, applied in audiometers, diagnostic recording/measurement, medical science, etc., can solve the problems of cumbersome test steps, low accuracy, high device cost, etc., to improve test efficiency and accuracy, Reduce use and manufacturing costs, improve deficient and cumbersome effects
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[0019] The present invention will be further described in detail below in conjunction with the drawings.
[0020] Figure 1~2 The adjustable earmuff type sound field audiometry device according to an embodiment of the present invention is schematically shown.
[0021] Such as Figure 1~2 As shown, the adjustable earmuff-type sound field audiometry device includes a sound insulation housing 1, an earmuff 2, a sound emitting device 3, and an adjustment mechanism 4. The sound insulation housing 1 of this embodiment is hemispherical, and a fixed base is provided inside the hemispherical sound insulation housing 1, and the sound emitting device 3 is fixedly arranged on the fixed base. The inner wall of the sound insulation shell 1 is provided with a first sound absorption layer 6, and the first sound absorption layer 6 is attached to the inner wall of the sound insulation shell 1. The first sound-absorbing layer 6 of this embodiment is made of a sound-proof or sound-absorbing materia...
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