|
|||||
|
|
| 高声强下传声器灵敏度校准 | |
| 引用本文： | 章汝威, 张柏玲. 高声强下传声器灵敏度校准[J]. 声学学报, 1983, 8(3): 135-139. DOI: 10.15949/j.cnki.0371-0025.1983.03.002 |
| 作者姓名： | 章汝威 张柏玲 |
| 作者单位： | 中国科学院声学研究所(章汝威)，中国科学院声学研究所(张柏玲) |
| 摘 要： | 本文对CH16和BK4136等型号的电容传声器在高声强声波作用下,其灵敏度变化作了估算和校准。用BK4221型高声压传声器校准器对上述型号的传声器作灵敏度校准,声压级从140dB至161.6dB,这些传声器之灵敏度变化一般不超过0.3dB。与活塞发生器校准结果比较,两者最大差值一般在0.4dB之内。另外,在168dB至173dB的高声强环境中做了类似实验,结果一致。实验结果和理论分析相符,证实了用活塞发生器校准得到的传声器灵敏度值,来校准高声强（声压级在170dB以下）是可行的,这对高声强测试工作提供了方便。 |
| 收稿时间： | 1982-08-18 |
MICROPHONE SENSITIVITY CALIBRATION UNDER HIGH INTENSITY SOUND |
|
| ZHANG RU-WEI, ZHANG BAI-LING. MICROPHONE SENSITIVITY CALIBRATION UNDER HIGH INTENSITY SOUND[J]. ACTA ACUSTICA, 1983, 8(3): 135-139. DOI: 10.15949/j.cnki.0371-0025.1983.03.002 | |
| Authors: | ZHANG RU-WEI ZHANG BAI-LING |
| Abstract: | In this paper, the change of sensitivity of the condenser microphones CH 16 and BK 4136 etc. are estimated and calibrated under the high intensity sound. Sensitivity of microphone as described above was calibrated by high pressure microphone calibrator Type 4221, the range of sound pressure level was from 140 dB to 161. 6dB. In general, the maximum change of sensitity for these microphone was less than 0.3dB. As compared with the result of pistonphone calibration, the maximum difference was less than 0.4 dB, it was within the limits of experimental error. In addition, the similar experiments were carried out under the high intensity sound from 168 dB to 173 dB and the same result was obtained. The experiment results were in agreement with the results of the theoretical analysis. The method has proved that microphone sensitivity calibrated by pistonphone can be used for the microphones intended for high intensity sound (below 170dB). |
| Keywords: | |
| 本文献已被 CNKI 等数据库收录！ | |
| 点击此处可从《声学学报》浏览原始摘要信息 | |
| 点击此处可从《声学学报》下载全文 | |