How to Say "low noise" in Spanish
The Spanish word for “low noise” is “rumores” — B2 level.
English → SpanishB2
NounB2
general background sound

Examples
El rumor de las olas nos ayudó a dormir.
The murmur/sound of the waves helped us sleep.
Solo se escuchaban los rumores del viento entre los árboles.
Only the rustling sounds of the wind among the trees could be heard.
Figurative Use
This meaning often appears in literature or poetry to describe nature or large groups of people (like a crowd).
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