ComputersCov khoom

Hais lus system thiab nws cov variants

Cov hais lus system yog tam sim no ib feem ntawm tag nrho cov multimedia daws teeb meem. Lub sij hawm nws tus kheej qhia tau lub suab tso zis. Piv txwv li, ib tug ob peb xyoo dhau los, ib lub suab card thiab tham tau tam sim no tsis yog txhua txhua lub computers, thiab hnov lub squeaking ntawm lub system hais lus, muaj ntau cov neeg siv payali cov kua uas connects rau thaum uas tig mus chaw nres nkoj (LPT), thiab "multimedia" tau txiav txim los ntawm lub xub ntiag ntawm cov nyiaj them yug MMX cov lus qhia nyob rau hauv lub CPU . Tam sim no txhua yam yog txawv. Acoustic system los ua yuav tsum tau cwj pwm ntawm txawm nyuaj computer. Ntxiv mus, ntau daim ntaub ntawv tsuas tsis kam mus ua hauj lwm, tsis nrhiav ib lub suab card.

Hom ntawm lub suab txiav txim siab

Nyob rau hauv daim ntawv thov, cov lus qhia system yuav ua tau ib tug neeg (tsev), kev hais kwv txhiaj, studio, thiab lwm yam no txiav txim nws cov tuition thiab qhov kawg nqi :. Nws yog pom tseeb tias, piv txwv li, muaj yog tsis muaj yuav tsum tau mus yuav kim studio qauv rau lub tsev.

Txij li thaum tso cai sib txawv kev tso kawm, paub qhov txawv qab nthab, phab ntsa, cov lus thiab pem teb hais lus. Feem ntau, qhov no feature yog kov txuas mus rau lub yav dhau los yog ib tug.

Nws yog lub npe hu hais tias lub suab tsis tej zaum yuav txawv waveform. Yog li ntawd, conventionally txais faib mus rau hauv siab, medium thiab tsawg frequencies. Systems uas muaj me tub suab, yuav siv ib tug ntawm ob tsim kev daws teeb meem: yog broadband thiab nrog cov cais tso zis. Thawj - feem ntau yog cov uas tsis muaj-end daws teeb meem. Nyob rau hauv txhua tus ntawm cov kem siv ib cov lus qhia uas muaj peev xwm ntawm me nyuam los ntawm 40 Hz mus rau 20 kHz (zoo tagnrho feem ntau unattainable nyob rau hauv kev xyaum). Lub tradeoff rau xws li ib tug versatility yog tus uas tsis muaj playback zoo. Qhov no yog yooj yim piav qhia yog hais tias peb nco qab lub hauv paus ntsiab lus ntawm cov lus qhia. Dhau los ntawm lub kauj alternating tam sim no tsim ib tug sib nqus teb uas ua num ua ke nrog lub teb ntawm mus tas li cov hlau nplaum. Vim tus rog ntawm lub ntiajteb txawj nqus, lub diffuser yog moog, compressing cov huab cua nyob rau hauv pem hauv ntej ntawm nws. Qhov ntawd yog qhov compression ntawm ib tug neeg perceives li ib lub suab yoj.

Tab sis ua li cas thaum muaj ib tug xav ob rau cov me nyuam lub suab ntawm ntau yam frequencies? Tom qab ib lub suab daim duab ntawm lub ntiaj teb no yog txoj: nws tsis yog qhov uas deeg yog nyob rau hauv kev txiav txim, thiab yog superimposed on txhua lwm yam. Cov lus teb yog yooj yim: ua si los ntawm ib tug broadband hais lus - yog ib tug hais nruab nrab ntawm lub simplicity ntawm tsim ntawm lub ntaus ntawv thiab lub suab duab. Incidentally, lub portable hais lus system yog feem ntau ua cia li hais tias.

Qhov thib ob tshuaj - siv koj cov lus qhia rau txhua zaus band. Xws li raug xa mus rau raws li multi-band. Raznochastotnoj hluav taws xob tam sim no kis tau mus rau cov lus qhia system, yog qhia nyob rau hauv lub lim crossover-on Cheebtsam uas yog tswv cuab rau hauv lub duas paub hais lus. Tsawg - qhov no tweeter reproduces lub siab frequencies; loj lub khob hliav qab - rau subwoofer tsawg; thiab tus neeg tsav tsheb - midrange. Crossover mutes tag nrho lwm cov frequencies lwm tshaj li cov neeg uas tsim rau txhua tus neeg diffuser.

Cov tom ntej no feature - ib tug ua-nyob rau hauv amplifier. Nws yog tam sim no nyob rau hauv active systems thiab passive offline. Nyob rau hauv lub caij nyoog kawg no tshwm sim hauv lub dejnum uas ua yog nyob rau hauv lub ntaus ntawv sab.

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