what is noise cancellation? | phiaton
TRANSCRIPT
WhatisNoise-Cancellation?
Ifyou’veeverbeenonalong,cross-countryflight,youarelikelyfamiliarwiththeloud
humofthejetenginethroughoutthejourney.
Luckily,theintroductionofnoise-cancellationtechnologyhasallowedwearytravelerstoresttheirearsandtheir
eyesonlongflights.
Likewise,dailycommutersareabletousenoise-cancellation
totuneoutthenoisychatteringofatrain-fullofpeopleontheirwaytoand
fromwork.
Yet,despiteallofthebenefitsnoise-cancellationoffersfortravelanddailycommutes,
therearestillmanymisconceptionsaboutnoise-
cancellingtechnology.
Somemistakenlyconsidernoise-cancellationcapableofattainingcompletesilence,whetheraboardanoisytrain
orwalkingthroughaconstructionsite.
Thetruthisthatnonoise-cancellingheadphone,no
matterhowgoodtherating,willfullyeliminatehighfrequencysounds,likeajackhammerorscreaming
baby.
Goodnoise-cancellationisintendedtominimizeambientnoise,orlow
frequencynoises,suchasthehumofajet-engine,the
steadypulseofamovingtrainorthesoundofco-workersbustlingaroundyouduring
theworkday.
Whenshoppingforapairofgoodnoise-cancelling
headphones,it’simportantthatyoutrulyunderstandwhatnoise-cancellationcandowell,andontheother
hand,whatit’snotdesignedtodo.
So,let’stalkalittlemoreabouthownoise-cancellation
works.
Activenoisecancellingheadphonescontaina
miniaturemicrophonethatobservesexternalsounds.
Byanalyzingthebackgroundnoise,thenoise-cancellingcircuitrytakesnoteofthefrequencyandemulatesasoundtocanceloutthe
noise.
This“destructiveinterference”allowsyouto
stayfocusedontheaudioyouwanttohear.
Thissoundreductiontechnology,however,doesn’t
workonallfrequencies.
Whileeverymanufacturerisslightlydifferent,allnoise-cancellingheadphonesoperatetoreducelowfrequencysounds.
Theothertypethatyoumayhearreferenced,ispassive
noise-cancellation.
Theseheadphonesdonotuseanyelectronicsound
reductiontechnologyandasaresult,donotisolatelower
frequencysound.
Justlikewearingearmuffsorputtingyourfingersinyourearsdecreasestheabilitytohear,thematerialsoftheheadphonesthemselves
blockoutsomesoundwaves.
Passivenoise-cancellationcanminimizesomehigh
frequencysound,however,itwillonlybemuffled
dependingonthethicknessofthematerialintheear-
cups.
Manyactivenoise-cancellingheadphonesalsofeaturepassivenoise-cancelling
qualities,includingmanyofPhiaton’sproductofferings.
Phiaton’sactivenoise-cancellationtechnologyallowsforasmuchas95%noisereductionoflow-
frequencysoundsinproductssuchastheirBT100NCandBT330NCheadphones.
TheBT330NCalsoofferssomepassivenoise-
cancellationthroughthedensityofitspaddedearcups.
Tosumitallup,noise-cancellingheadphonesaremostsuccessfulatreducinglowfrequencybackgroundnoises,suchascommuterandtravelinterference.
You’llfindyourselfneedingthemonplanes,crowded
officesoranywhereyoujustwanttolessenthenoise
aroundyou.
Withsomuchambientnoisesurroundingus,it’sbecomedifficulttoenjoythemusic-listeningexperiencewhen
dealingwiththeenvironmentalfracasofour
everydaylives.
Thisiswhytheneedforapairofnoise-cancelling
headphoneshasbecomeessentialforthemodern
audiophile.
Thisiswhytheneedforapairofnoise-cancelling
headphoneshasbecomeessentialforthemodern
audiophile.
WhatisNoise-Cancellation?
Thisiswhytheneedforapairofnoise-cancelling
headphoneshasbecomeessentialforthemodern
audiophile.
TolearnmoreaboutPhiaton’sNoiseCancellationTechnology
visithttp://www.phiaton.com/
Thisiswhytheneedforapairofnoise-cancelling
headphoneshasbecomeessentialforthemodern
audiophile.