phonometry

例句：

1. 1. To quantify the effect of noise on human performance, researchers use phonometry.
   为了量化噪音对人类表现的影响，研究人员使用音高测量。
2. 2. Acousticians use phonometry to measure the pitch and volume of speech.
   声学家使用音高测量来测量语音的音调和音量。
3. 3. The study focused on how phonometry could be used to improve hearing aids.
   该研究关注如何利用音高测量来改善助听器。