baseline noise

[ˈbeɪslaɪn nɔɪz]
nounpl: baseline noises
ruído de fundo
1. The minimum level of noise or unwanted signal present in a system or environment when no specific signal is being transmitted or measured
The baseline noise in this audio recording is too high for professional use.
O ruído de fundo nesta gravação de áudio é muito alto para uso profissional.
2. In scientific measurements and monitoring systems, the inherent noise level against which signals are compared
Scientists must account for baseline noise when interpreting experimental data.
Os cientistas devem levar em conta o ruído de fundo ao interpretar os dados experimentais.
3. The standard or reference level of acoustic or electronic noise in a given environment or instrument
The engineer adjusted the equipment to reduce baseline noise.
O engenheiro ajustou o equipamento para reduzir o ruído de fundo.
This is a technical term widely used in audio engineering, telecommunications, scientific research, and industrial settings in both Brazil and the USA. The concept is universal in these fields, with 'ruído de fundo' being the standard translation in Portuguese-speaking countries. It reflects the importance of signal clarity in modern technology-dependent environments.
Synonyms / Sinônimos
background noiseambient noisenoise floornoise level
Antonyms / Antônimos
signalclear signal

Regional Variations

General Brazilian
ruído de fundo
Most common term used in technical and scientific contexts
General Brazilian
nível de ruído de base
More formal/technical variant
São Paulo
ruído de fundo
Standard usage in industrial and technological settings
Portugal
ruído de fundo
Identical usage; same terminology in European Portuguese

Related Words

signal-to-noise ratiowhite noisenoise reductionacoustic isolationelectromagnetic interference

Related Idioms & Phrases

cut through the noise
rise above the noise
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