0 a sound, especially a loud, unpleasant sound -- ruido
1 a sound you can hear that is often loud or unpleasant -- ruido [ masculine, singular ]
It is, therefore, essential that binding limits should be set on aircraft noise near airports.
Working with noise classifications is very complex as it is.
That is something we must consider when we take measures to combat the problems caused by noise.
I am, in fact, president of a consortium of local, municipal authorities who are concerned about the noise issue.
Because of the noise from the loudspeaker, we cannot hear anything.
All this noise is making things very difficult: the sound quality is dreadful.