The brighter the color, the louder that frequency component.

颜色越亮，该频率分量越大。

In an analogous way, the cochlea acts as sort of an acoustic prism that splits apart complex sounds into their component frequencies.

与之类似，耳蜗就像是一个声学棱镜，能把复杂的声音分解成不同的组成频率。