noise reduction
/ˈnɔɪz rɪˈdʌkʃən/ · noise·re·duc·tion
noun
- The process or technology used to lower unwanted or background sound in an audio signal or physical environment. The studio installed advanced noise reduction software to clean up the recordings.
- A specific system or device designed to suppress unwanted sound, such as Dolby NR or DBX. Dolby’s noise reduction system was a breakthrough for tape recording in the 1960s.
Synonyms
sound attenuationsound suppressionaudio filteringnoise controlsound dampeningacoustic treatmentde‑noisingsignal cleaning
Antonyms
Did you know? The first widely used consumer noise reduction system, Dolby B, was introduced in 1968 and became a standard feature on cassette decks, dramatically improving tape fidelity.