noise的形容词形式比较级是？

例句：

What is that infernal noise.

这可恶的`噪音是什么。

They were making too much noise.

他们的噪声太大了。

A sudden noise startled her.

突然发出的响声吓了她一跳。

Someone made a rude noise.

有人发出了淫猥的噪音。

The noise began to lessen.

噪音开始减弱。