使用顺序连续多点脉冲刺激，每周2次，连续20周(40次)后复查纯音测听。
Sequential multipoint pulse stimulation was adopted, twice each week, for 20 consecutive weeks (40 sessions) and then pure tone test was carried out repeatedly.
结果：20例(21耳)纯音测听、听觉诱发电位均异常，19例镫骨肌声反射及前庭功能异常。
Result: Pure tone and ABR waveforms were abnormal in 20 subjects (21 ears), moreover acoustic stapedius reflex and the vestibular function were abnormal in 19 subjects.
纯音测听：发作时或发作后不久，可检测到轻度的、以低频听力损失为主的感觉神经性耳聋，发作后恢复正常或减轻。
Pure tone audiometry: Slight sensorineural hearing loss mainly at the lower frequency may be detected during or soon after attack. It may be recovered or lightened after the attack.
结果：纯音测听平均值在中位数左右波动变化为3分贝，并且有72%的患者的听力损失维持在术前水平的10分贝以内。
Results: The median PTA changed by 3 dB, and hearing was preserved to within 10 dB of preoperative level in 72% of patients.
方法30例受试者(60耳)分别进行纯音测听，首先测出双耳的纯音听阈，然后应用同频音掩蔽试验测试各个频率的MCML。
Methods the pure tone thresholds of 30 subjects (60 ears) were measured by pure tone audiometry and MCML was obtained by means of the same frequency tone masking test.
声学。测听设备校准用参照区。第1部分：纯音和耳挂式耳机的参考等效阈声压级。
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1 : reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.
方法应用abr方法对30例(30耳)外伤性鼓膜穿孔进行测试，并将其结果与纯音电测听结果进行对照。
Methods ABR tests were evaluated in 30 traumatic perforation of tympanic membrane cases (30 ears) and compared with the results of pure tone audiometry.
受试者坐在标准测听室内，由专业技师检查气、骨导纯音听阈。
All the subjects sat in the standard audiometric room, the air and bone conducted pure-tone auditory thresholds were examined by the professional technician.
受试者坐在标准测听室内，由专业技师检查气、骨导纯音听阈。
All the subjects sat in the standard audiometric room, the air and bone conducted pure-tone auditory thresholds were examined by the professional technician.
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