Now, this is high-pitched hearing loss, so a person can still hear sounds and understand most speech.

这是一种对高声调的声音听力丧失，所以她/他仍可以听清楚并且明白大多数的日常对话。

youdao

Their voices musical and often high pitched, it was easy to pick up that inflection in our own speech and at school my brother and I were often teased for the way we spoke.

他们的声音很悦耳，而且音调很高，从我们的话语中可以很容易的听出那种特有的音调变化。因为这种语言的差异，我和我兄弟在学校里常常被人取笑。

youdao

The whales are known as "canaries of the sea" for their high-pitched chirps, but while a number of anecdotal reports have described whales making human-like speech, none had ever been recorded.

BBC: Beluga whale 'makes human-like sounds'