background noise level
[/ˈbækɡraʊnd nɔɪz ˈlɛvəl/]
nounpl: background noise levels
nível de ruído de fundo
1. The measure of ambient sound present in an environment, excluding the primary sound of interest
The recording studio maintains a very low background noise level to ensure clear audio quality.
O estúdio de gravação mantém um nível de ruído de fundo muito baixo para garantir qualidade de áudio clara.
2. In acoustics and audio engineering, the decibel measurement of unwanted sound in a given space
We need to reduce the background noise level in this conference room for better call quality.
Precisamos reduzir o nível de ruído de fundo nesta sala de conferências para melhor qualidade de chamada.
3. Environmental sound present continuously that may interfere with communication or recordings
The background noise level on this street is about 70 decibels due to traffic.
O nível de ruído de fundo nesta rua é de aproximadamente 70 decibéis devido ao tráfego.
In both Brazil and the United States, this term is primarily used in technical, professional, and industrial contexts such as audio engineering, telecommunications, workplace safety, and environmental acoustics. In Brazil, it's commonly referenced in recording studios, broadcast facilities, and increasingly in open-plan office discussions. The term reflects growing awareness of acoustic comfort in modern work environments across both countries.
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