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Standard
| SJ/Z 9150-1987 Occluded-ear simulator for the measurement of earphones (English Version) |
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Detail of SJ/Z 9150-1987
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Introduction of SJ/Z 9150-1987
本标准规定一种阻塞耳道腔模拟器，用以校准耳塞机在100～10000Hz频率范围内人耳鼓膜处的声压。本标准引用了SJ/Z 9144-87（IEC 126号）标准：测量助听器耳塞机用IEC参考耦合腔。
Contents of SJ/Z 9150-1987