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    • 17. 发明授权
    • Ear input sound pressure level monitoring system
    • 耳输入声压级监控系统
    • US08311228B2
    • 2012-11-13
    • US11757152
    • 2007-06-01
    • Steven W. GoldsteinJohn UsherBrian Fligor
    • Steven W. GoldsteinJohn UsherBrian Fligor
    • H04R29/00G01H3/10G01H3/14A61F11/06
    • A61B5/121A61B5/128G01H3/14H04R1/1016H04R29/00
    • Systems and methods for monitoring a sound pressure level dose at an ear are provided. A system includes an audio transducer which outputs a sound signal is placed within an ear to receive sound at the ear. A sound level threshold detector determines whether a sound pressure level of the sound signal is at a minimum level and outputs a sound pressure level signal corresponding to the sound pressure level when the sound pressure level is not at the minimum level. A time period is calculated during which the sound pressure level is not at the minimum threshold level. A listening fatigue calculator determines whether a cumulative effect of exposure to the sound signal at the ear over the time period will cause harm to the ear. At least a portion of the system is disposed in situ at the ear.
    • 提供了用于监测耳朵上的声压级剂量的系统和方法。 系统包括音频换能器,其输出声音信号放置在耳朵内以在耳朵处接收声音。 声级阈值检测器确定声音信号的声压级是否处于最低水平,并且当声压级不在最低水平时输出与声压级相对应的声压级信号。 计算声压级不在最小阈值水平的时间段。 听力疲劳计算器确定在该时间段内耳朵的声音信号的累积效应是否会对耳朵造成伤害。 该系统的至少一部分被置于耳朵的原位。