My Reveiws on Cars

Laterin1963,TheBeckercompanyintroducedaradiothatwasfreefromthevacuumtubes.No
sooneraftertheinthe1960sthe 8 tracktapeplayerwasintroducedinthemarketthatwas
installedinthefordcarsduringthattimefollowedbythecassetteplayersandthentheDVD
players.Afterthis,theLincolncarcompanyintroducedtheircarthathadaseparatespacefor
keepingcassettetapesinit.Manyadvancementshavebeenfollowedsincethen.Inthe2010s
manyadvancedwayscameforplayingmusicthatactedasacompetitiontothetraditionalways
of CDand FMradiolikethesatellite radio,internetradio,Bluetooth,USBand slitsforthe
insertion of memory cardsin the dashboards. Many cars nowadaysalsocomewithsmart
optionsforconnectingtheuser’sphonetothecarsystemlikeapplecarplay,linkmirror.Nowlet
us talk about the active noise control that I wroteearlier.
Asdiscussedearlieritisusefulforcuttingtheundesirablenoisesemittedbythecar.Thesystem
functions in the following way, first, a microphone takes the noises from the engine
compartments,exhaustpipestothedigitalsignalprocessorthatmakessurethatthesenoises
areminimisedandthentheyaresenttotheloudspeakers.Lotuswasthefirstcarcompanythat
madethecarwithsuchafeature,butthesystemwasonlycentredatremovingtheenginenoise
butthelaterinventions madesurethatalongwiththeenginenoise,chassisvibrations,tire
noiseandoutsidenoisescanalsoberemoved.Itsmainadvantageisthatforreducingcarnoise
the companiesuse the materials that produce less soundwhen thecarisinmotionthus
reducingthecarweightandalsoensuringthefuelefficiencyofthecar.Thissystemcanalsobe
usedtoamplifythecarenginenoise.ThisconceptwasusedbyFordforitsFordMustang,the
amplifiedsoundisemittedbythecarspeakers.ThissystemisusedinF150pickuptruck,Golf
GTI.