Dab tsi yog passive suab nrov txo?
Dab tsi yog passive suab nrov txo?

Video: Dab tsi yog passive suab nrov txo?

Video: Dab tsi yog passive suab nrov txo?
Video: yog hmoov dab tsi. Zoo Xyooj (cover) 2024, Kaum ib hlis
Anonim

Passive Noise Cancellation yog cov suab nrov uas lub mloog pob ntseg thaiv tawm raws li lub cev tsim ntawm theearcups. Raws li cov duab ntawm lub mloog pob ntseg earcups thiab seb nws haum rau lub taub hau txiav txim siab npaum li cas suab nrov lub mloog pob ntseg tuaj yeem thaiv tawm. Yog li ntawd, lawv tso cai rau lawv tshaj txo ntawm sab nraud suab nrov.

Dhau li ntawm no, dab tsi yog qhov zoo dua active lossis passive suab nrov tshem tawm?

Passive suab nrov txo ntawm qhov tod tes tsis xav tau lub zog, tus nqi qis dua nquag ” suab nrov tshem tawm tab sis muaj tsawg dua tshem tawm . Passive ambient txo suab nrov txhais tau tias insulating pob ntseg los ntawm sab nraud suab nrov . Cov zoo tshaj plaws passive suab nrov txo yog thaum lub earcup kiag li thiab snugly npog pob ntseg.

Tsis tas li ntawd, dynamic suab nrov txo yog dab tsi? Dynamic Noise Txo Circuit (DNR) DynamicNoise txo (DNR) yog ib txoj kev tshem tawm suab nrov los ntawm lub suab signal. Media, uas khaws cov teeb liab hauv cov qauv analogue, muaj feem xyuam rau cov teeb meem no. Lub suab sib nqus daim kab xev, uas khaws cov ntaub ntawv ntawm cov nplej ntawm cov khoom sib nqus, tuaj yeem pom suab nrov tom qab ob peb xyoos.

Hais txog qhov no, dab tsi yog passive suab?

Hauv cov ntsiab lus yooj yim tshaj plaws, tus neeg hais lus nquag yog ib qho uas muaj nws tus kheej amplifier ua rau hauv lub txee. A passive speakerdraws nws lub hwj chim los ntawm ib qho amp sab nraud thiab txuas nrog lub ampvia hais lus hlau. Passive cov neeg hais lus zoo li yog siv rau tsev.

Noise Cancellation txhais li cas?

Suab nrov - tshem tawm headphones, lub suab nrov - tshem tawm headphones, yog lub mloog pob ntseg uas txo cov suab nrov ambient uas siv nquag suab nrov tswj. Kev tshem tawm suab nrov ua rau nws tuaj yeem mloog cov ntsiab lus audio yam tsis tau tsa lub ntim ntau dhau. Nws tseem tuaj yeem pab tus neeg caij tsheb pw hauv ib qho nrov tsheb xws li anairliner.

Pom zoo: