Background Noise (Noun)
Meaning
Extraneous noise contaminating sound measurements that cannot be separated from the desired signal.
Classification
Nouns denoting natural events.
Examples
- Noise pollution from traffic created too much background noise, making it difficult to collect accurate sound measurements of the birdsong.
- Researchers tried to minimize the background noise in the lab by using soundproofing materials and shutting off unnecessary equipment.
- The microphone picked up a lot of background noise from the air conditioning unit, requiring the team to re-record the audio in a quieter space.
- To improve the signal-to-noise ratio, the scientists had to account for the background noise from the wind and ocean waves in their measurements.
- By filtering out the background noise from the engine, the engineers were able to isolate the specific frequency of the gear failure.