Fortunately, amusia generally only affects people's perception of music, so they don't have trouble hearing non-musical sounds.

幸运的是，失歌症通常只影响人们对音乐的感知，所以他们在听非音乐声音方面没有问题。

For people with congenital amusia, researchers have said that a concert sounds like a foreign speech — just meaningless noise.

对于患有先天性失歌症的人来说，研究人员表示，音乐会听起来像是外语，只是些毫无意义的噪音。

Take amusia for example, also known as tone-deafness, the inability to detect notes that are out of key.

以 amusia 为例， 也称为音聋， 无法检测出调外的音符。

Your friend might not be able to carry a tune for all kinds of reasons, but for those with congenital amusia, the situation is pretty simple: Their brains just can't perceive musical pitches.

你的朋友可能因为各种原因不能唱下一首歌，但对于那些患有先天失歌症的人来说，情况很简单：他们的大脑只是不能感知音高。