Burén M, Solem B S, Laukli E
Department of Otorhinolaryngology, University of Tromsø, Norway.
Br J Audiol. 1992 Feb;26(1):23-31. doi: 10.3109/03005369209077868.
Pure-tone air-conduction audiometry has been performed in three groups of children and youngsters aged 10, 14 and 18 years old. The complete frequency range of 0.125 to 20 kHz was measured, and number of different questions were raised. Firstly, the hearing threshold in the conventional frequency range was compared to the international standard ISO 389. Significant differences from ISO zero were found for all groups and at all frequencies of 0.125 to 8 kHz. Secondly, possible noise damage, shown as dips in the audiograms at 3, 4 or 6 kHz was examined; and thirdly, high-frequency (8-20 kHz) sensitivity between groups was compared. Only a few audiograms, the majority being in the youngest age group, were found to be a result of possible noise damage, and in the extra-high-frequency range, a systematic decrease in sensitivity was found for the two older groups compared to the 10-year-old children at frequencies higher than 14 kHz.
对三组年龄分别为10岁、14岁和18岁的儿童及青少年进行了纯音气导听力测定。测量了0.125至20kHz的完整频率范围，并提出了若干不同的问题。首先，将常规频率范围内的听力阈值与国际标准ISO 389进行比较。在所有组以及0.125至8kHz的所有频率上，均发现与ISO零值存在显著差异。其次，检查了可能的噪声损伤，表现为听力图在3、4或6kHz处出现下降；第三，比较了各组之间的高频（8 - 20kHz）敏感度。仅发现少数听力图（大多数在最年轻的年龄组）可能是噪声损伤的结果，并且在超高频范围内，与10岁儿童相比，两个年龄较大的组在高于14kHz的频率处出现了敏感度的系统性下降。
