Lub kaw lus audio-visual system: feem ntau them sai sai rau tsib cov hauv qab no rau suab rwb thaiv tsev thiab suab haum.

1. Lub suab ntawm lub kaw lus kaw lus tuaj yeem paub txog ntau txoj hauv kev: Ua ntej, xaiv qhov tsim nyog ntawm cov khoom siv suab. Tab sis kuj xyuam xim rau cov ntaub ntawv-suab-kom tsis txhob kis mus rau ntau dhau, txwv tsis pub nws yuav ua rau lub suab qhuav thiab tsis muaj puag ncig thiab qab ntxiag ntawm qhov chaw zoo. Hauv cov txheej txheem kho kom zoo nkauj, ntoo pem teb. Cov ntawv tuab, cov ntaub pua plag, cov ntaub qhwv thiab lwm yam khoom siv nrog lub suab zoo-cuam tshuam yog txhua qhov kev xaiv zoo.

2 Kaw cov qhov rooj thiab lub qhov rais. Los ntawm kev kaw qhov khoob ntawm lub qhov rooj thiab lub qhov rais, nws yog qhov zoo tshaj plaws los hloov lub qhov rooj thiab lub qhov rai iav kom ob txheej. Xaiv lub qhov rooj ntoo hnyav, dua li 1250px tuab, thiab qhov sib txawv yuav tsum muaj txoj kab.

Kev kaw lus kaw lus

3. Tsis tsim rau siv cov vuas luaj hauv pem teb. Cov ntaub pua plag tuaj yeem nyob hauv zos.

4: Tsis muaj qhov tsis muaj kab noj hniav qab nthab.

5. Sim siv cov pob mos muag rau ntawm phab ntsa.

Hauv qab no yog daim duab ntawm tus qauv suab:

0-20 decibels yog ntsiag to, yuav luag imperceptible;

20-40 decibels yog heev ntsiag to, zoo li ntxhi lus mos muag;

40-60 dB li qub thiab ib txwm hu sab hauv tsev;

60-70 decibels tsis muaj suab nrov thiab kev puas tsuaj rau cov leeg;

7o-90 dB nrov nrov thiab lub paj hlwb cov khoom puas.

90-100 decibels nce suab nrov thiab hnov ​​lus zoo;

100-120 kev txiav txim siab tsis muaj kev tiv thaiv, lag ntseg ib ntus tom qab ib feeb.

Cov phiaj xwm tshwj xeeb ntawm lub suab rwb thaiv tsev thiab kev nqus suab nyob rau hauv chav tsev tawm suab ua ke ntawm audio-visual system

Kev foob foob yog txoj kev ncaj qha tshaj plaws.

Saib seb puas muaj lub qhov rooj thiab qhov rai sealing khi nrawm yog laus dua, xoob lossis tseem puas. Txwv tsis pub, nws yuav tsum tau hloov nrog lub tshiab; yog tsis tau, cia li yuav nws.