sound recognition

例句：

1. 1. The device can recognizethe sound of a human voice.
   该设备能够识别人类的声音。
2. 2. The scientist used soundrecognition to help her find the lost child.
   科学家利用声音识别帮助她找到了失踪的孩子。
3. 3. The hearing aid improved her ability torecognize sounds in noisy environments.
   助听器提高了她在嘈杂环境中识别声音的能力。