Video: Dab tsi ua rau lub suab nrov?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A lub suab hu yog lub teeb liab xov tooj xa los ntawm kev sib pauv hauv xov tooj lossis kev sib pauv chaw ntiag tug (PBX) rau kev txiav tawm cov cuab yeej, xws li xov tooj, thaum kuaj pom qhov tsis zoo. Nws qhia tau hais tias kev sib pauv ua haujlwm thiab npaj txhij pib hu xov tooj.
Yog li ntawd, lub hom phiaj ntawm lub suab nrov yog dab tsi?
A lub suab hu yog modulating suab thatsignals ib kab muaj. Cov lub hom phiaj ntawm lub suab nrov yog qhia tau hais tias lub xov tooj yog haumxeeb thiab npaj hu. Cov lub suab hu , tau kawg, nres thaum hu pib.
dial tones txawv li cas? Los ntawm Wikipedia, dawb encyclopedia. Hauv xov tooj, hu rau kev nce qib suab nrov muaj suab suab nrov uas muab anindication ntawm cov xwm txheej ntawm kev hu xov tooj rau tus neeg siv. Cov suab nrov yog tsim los ntawm lub hauv paus chaw ua hauj lwm los yog ib tug private branchexchange (PBX) rau tus hu.
Kuj paub, nws txhais li cas thaum lub suab hu hloov?
Ib ringback suab nrog cov teeb liab qis qis thaum kawg; qhia qhov txuas ntxiv hu ua yog tibneeg hu tauj coob thiab hu ua party muaj tau txais hu tos suab . Yog koj hearthis suab , tej zaum koj yuav xav qhib Automatic Callback. Peb luv suab tawg; qhia txog kev ua kom muaj zog lossis tshem tawm muaj tau txais.
Dab tsi yog qhov zaus ntawm dial tone?
Cov suab nrov yog raws li nram no: Lub suab nrov yog tsis tu ncua suab ntawm qhov ntxiv ntawm cov zaus 350 thiab 440 Hz ntawm qib −13 dBm. Suab nrov nrov suab txhais tau tias suav nrog zaus ntawm 440 thiab 480 Hz ntawm qib −19 dBm thiab cadence ntawm 2 vib nas this ON thiab 4 vib nas this OFF.
Pom zoo:
Lub teeb liab rau lub suab nrov yog dab tsi thiab vim li cas nws tseem ceeb?
Lub teeb liab rau lub suab nrov piv yog qhov tseem ceeb vim hais tias hauv kev sib txuas lus peb lub ntsiab tseem ceeb yog lub teeb liab tab sis thaum lub sij hawm kis tau tus mob tau cuam tshuam los ntawm qee lub suab nrov. Thaum kawg tau txais peb xav kom muaj tib lub teeb liab sib kis, kom ua tiav qhov no lub suab nrov yuav tsum tau txo qis thiab ntawm no SNR ua lub luag haujlwm tseem ceeb
Lub hom phiaj tseem ceeb ntawm lub suab ntsuas hauv suab hluav taws xob engineering yog dab tsi?
Sound-level meter, ntaus ntawv ntsuas qhov siv ntawm lub suab nrov, suab paj nruag, thiab lwm yam suab. Ib lub meter ib txwm muaj lub microphone rau khaws lub suab thiab hloov mus rau hauv lub teeb liab hluav taws xob, ua raws li hluav taws xob circuitry rau kev khiav hauj lwm ntawm cov teeb liab no kom cov yam ntxwv xav tau tuaj yeem ntsuas
Kuv yuav tshem tawm cov suab nrov tom qab ntawm lub suab li cas?
Tshem cov suab nrov tom qab koj tau kaw Xaiv qhov "tseem ceeb" ntu ntawm koj lub suab, qhov twg nws tsuas yog suab nrov xwb. Mus rau cov ntawv qhia zaub mov cuam tshuam thiab nyem Noise Tshem tawm. Nyem Tau Noise Profile. Xaiv tag nrho cov suab uas koj xav kom cov suab nrov tom qab tshem tawm. Mus rau cov ntawv qhia zaub mov cuam tshuam thiab nyem Noise Tshem tawm
Dab tsi yog suab nrov Canceling headphones zoo rau?
Noise-cancelling headphones, los yog lub suab nrov-tso tawm lub mloog pob ntseg, yog lub mloog pob ntseg uas txo cov suab nrov tsis xav tau siv cov suab nrov nrov. Kev tshem tawm suab nrov ua rau nws tuaj yeem mloog cov ntsiab lus suab yam tsis tau tsa lub ntim ntau dhau. Nws tseem tuaj yeem pab tus neeg caij tsheb pw hauv lub tsheb nrov xws li lub dav hlau
Vim li cas kuv lub iMac ua suab nrov nrov?
Qhov feem ntau yog vim li cas rau cov kiv cua khiav atfullspeed yog tias cov cua vents raug thaiv. Yog tias koj siv koj lub macon koj lub puab tsaig lossis ntawm qhov chaw mos zoo li lub txaj lossis daim pam ces covfans tsuas yog ua haujlwm hnyav dua los sim thawb tawm qhov kub. Restarting koj Mac tuaj yeem rov pib dua qhov ntsuas kub ntawm qhov ntsuas qhov ntsuas ib zaug