Federal Institute of Education Science and Technology of Espírito Santo, IFES, São Mateus Campus, Rodovia BR 101 Norte Km 58, Litorâneo, São Mateus, ES, 29932-540, Brazil.
Federal Institute of Education Science and Technology of Minas Gerais, Ipatinga Campus, Ipatinga, MG, Brazil.
Eur Arch Otorhinolaryngol. 2022 Dec;279(12):5885-5895. doi: 10.1007/s00405-022-07518-0. Epub 2022 Jun 28.
In the present study, a new procedure to perform automatic audiometry using multifrequency Auditory Steady-State Response (ASSR) is proposed.
The automatic audiometry procedure consists of detecting the presence of multifrequency ASSR in real-time using the sequential test strategy and by adjusting the stimulus intensity independently. The ASSR audiometric thresholds of 18 adult volunteers with normal hearing were determined by automatically (four simultaneous frequencies per ear) at modulation frequencies in the 80 Hz range. The exam time and the difference between ASSR thresholds and pure-tone behavioural hearing thresholds were estimated as performance measures.
The results showed that automatic audiometry can reduce the number of intensity levels used to obtain the ASSR threshold by up to 58% when compared to audiometry without using the techniques applied in automatic audiometry. In addition, the average of the difference between ASSR thresholds and Pure-Tone Behavioural Hearing thresholds was around 19 dB, which is similar to the results reported in similar studies.
The audiometric procedure proposed in this study is fully automatic, i.e., does not require any human supervision throughout the exam, and is able to significantly reduce the conventional exam time.
本研究提出了一种使用多频听觉稳态反应（ASSR）进行自动听力测试的新方法。
自动听力测试程序包括使用序贯测试策略实时检测多频 ASSR 的存在，并独立调整刺激强度。通过自动（每耳四个同时频率）在 80Hz 范围内的调制频率，确定了 18 名正常听力成人志愿者的 ASSR 听阈。测试时间和 ASSR 阈值与纯音行为听力阈值之间的差异被估计为性能指标。
结果表明，与不使用自动听力测试中应用的技术的听力测试相比，自动听力测试可以将获得 ASSR 阈值所需的强度水平数量减少多达 58%。此外，ASSR 阈值与纯音行为听力阈值之间的平均差异约为 19dB，与类似研究的结果相似。
本研究提出的听力测试程序完全自动化，即在整个测试过程中不需要任何人工监督，并且能够显著缩短传统测试时间。
