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Sound Pressure Level Measurement

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  • 日期: 2015-12-15
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标签: EN60065标准解读

对EN60065:2002中关于声压的要求进行了解读,图文详细说明了测试方法(英文原版),有一定的参考价值。

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Sound Pressure Level Measurement As required by EN600652002 Speaker Michael Chan Date 17 November2006 Applicable Standard The standard is split into two parts Part 1 EN503321 2000 Deal with sets provided as a package equipment with its headphone or earphone Part 2 EN503322 2003 Deal with associate portable audio sets with headphone or earphone coming from different manufacturer 18 Measurement setup 19 Measuring Principle Using objective measurement method with reference to EN602687 The use......

Sound Pressure Level Measurement As required by EN60065:2002 Speaker :Michael Chan Date :17 November,2006 Applicable Standard The standard is split into two parts : Part 1 EN50332-1 : 2000 Deal with sets provided as a package equipment with its headphone or earphone Part 2 EN50332-2 : 2003 Deal with associate portable audio sets with headphone or earphone coming from different manufacturer 18 Measurement setup 19 Measuring Principle Using objective measurement method with reference to EN60268-7 - The use of Head And Torso Simulator (HATS) in accordance with IEC60959 - Ear simulator and an ear canal extension, as defined by IEC60711 - Test signal, or programme simulated noise as defined by IEC60268-1 20 Test Protocol (cid:1) Position the earphone/headphone correctly on HATS (cid:1) Measure both left and right ear by a third octave analyser connected to the microphone of the HATS ear simulator (cid:1) For each one third octave band, the free field response of HATS is subtracted from the value of the pressure level delivered by HATS (cid:1) The A-weighting curve is applied 21
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