降噪

jiàngzào

verb

Meanings

HSK 5

这副耳机能主动降噪，在地铁上也很安静。

Zhè fù ěrjī néng zhǔdòng jiàngzào, zài dìtiě shàng yě hěn ānjìng.

These headphones have active noise cancelling, so it's quiet even on the subway.

HSK 7-9

这张夜景照片噪点太多，需要降噪处理一下。

Zhè zhāng yèjǐng zhàopiàn zàodiǎn tài duō, xūyào jiàngzào chǔlǐ yíxià.

This night photo is too grainy; it needs some noise reduction.

mistakes

降 here is 'to lower', read jiàng, as in 降价 'to cut prices'. The other reading xiáng means 'to surrender', as in 投降. 噪 is the noise of 噪音.

降 jiàng

噪 zào