Active Noise Cancellation

URI: https://gptkb.org/entity/Active_Noise_Cancellation

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:technology
gptkbp:alsoKnownAs	gptkb:ANC
gptkbp:appliesTo	gptkb:consumer_electronics industrial settings hearing protection
gptkbp:category	gptkb:signal_processing gptkb:audio_equipment
gptkbp:commercialUse	1980s
gptkbp:component	gptkb:battery gptkb:public_speaker audio recordings electronic circuitry
gptkbp:effect	best for low-frequency noise
gptkbp:enables	clearer audio in noisy environments
https://www.w3.org/2000/01/rdf-schema#label	Active Noise Cancellation
gptkbp:improves	listening experience
gptkbp:inventedBy	gptkb:Paul_Lueg
gptkbp:limitation	less effective at high frequencies may introduce audio artifacts
gptkbp:marketedAs	gptkb:Apple gptkb:Bose gptkb:Sony gptkb:Jabra gptkb:Sennheiser
gptkbp:method	generates anti-noise signal uses microphones to detect external noise
gptkbp:notableProduct	gptkb:Jabra_Elite_series gptkb:Bose_QuietComfort gptkb:Sennheiser_Momentum_Wireless gptkb:Sony_WH-1000XM_series gptkb:Apple_AirPods_Pro
gptkbp:patent	1930s
gptkbp:principle	destructive interference
gptkbp:purpose	reduce unwanted ambient sound
gptkbp:reduces	fatigue from noise
gptkbp:relatedTo	digital signal processing soundproofing passive noise cancellation
gptkbp:requires	power source
gptkbp:standardFeatureIn	luxury car premium headphones business class airline seats
gptkbp:usedIn	gptkb:aircraft gptkb:audio_equipment automobiles earbuds
gptkbp:bfsParent	gptkb:Apple_H2 gptkb:AirPods_Max gptkb:AirPods_Pro_(2nd_generation)
gptkbp:bfsLayer	6