发明名称 Home hearing test system and method
摘要 A home hearing test for use with a conventional home audio system comprising an audio player and a set of headphones connected to the audio player. The home hearing test includes an audio medium such as a compact disc playable in the audio player and containing a calibration tone recorded at a predetermined decibel level and a number of prerecorded sequences of tones. Each sequence has tones recorded at different decibel levels and decreasing by a step value. In a first sequence for obtaining a rough estimation of hearing threshold level, the tones start at 70 dB HL and decrease by 10 dB steps to 0 dB HL. In secondary sequences, tones start and end with tones from the first sequence and decrease in 2 dB steps. The home hearing system includes a calibration device for calibrating the output of the audio system to the ears of a person wearing the headphones against the predetermined decibel level of the calibration tone.
申请公布号 US5928160(A) 申请公布日期 1999.07.27
申请号 US19960739848 申请日期 1996.10.30
申请人 CLARK, RICHARD L.;NAVONE, DAVID;WATSON, CHARLES;KEWLEY-PORT, DIANE;HOYT, HOWARD;MILLER, CARL V. 发明人 CLARK, RICHARD L.;NAVONE, DAVID;WATSON, CHARLES;KEWLEY-PORT, DIANE;HOYT, HOWARD;MILLER, CARL V.
分类号 A61B5/12;H04R5/04;H04R25/00;H04R29/00;(IPC1-7):A61B5/00 主分类号 A61B5/12
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