It was one of the first sound recording devices in history.

这是历史上第一个录音设备。

ANDREW LELAND: And then I find out later that the blind crew, those sound devices that they brought, aren't working because it's too loud on the plane for them to hear.

安德鲁·利兰：后来我发现盲人机组人员以及他们带来的音响设备无法正常工作，因为飞机上的声音太大了，他们听不到。

Today, we're headed to the rainforest hinterlands of the Gold Coast in Queensland, Australia, where a scientist is using a network of sound recording devices and artificial intelligence to track down an endangered and elusive species of bird.

今天，我们会前往澳大利亚昆士兰黄金海岸的热带雨林腹地，在那里，一名科学家正在使用录音设备网络和人工智能来追踪一种濒危且难以接近的鸟类。