M'mawu omvera, kuyaka kwa wokamba nkhani kumakhala mutu kwambiri kwa ogwiritsa ntchito, kaya ndi malo a KTV, kapena bar ndi zochitika. Nthawi zambiri, malingaliro odziwika bwino ndikuti ngati voliyumu ya amplifier yamphamvu yakwera kwambiri, ndikosavuta kuwotcha wokamba. Ndipotu pali zifukwa zambiri zimene wokamba nkhaniyo apsere mtima.
1. Kusintha kopanda nzeru kwaokambandiamplifiers mphamvu
Anzanu ambiri omwe amasewera zomvera angaganize kuti mphamvu yotulutsa mphamvu ya amplifier ndi yayikulu kwambiri, yomwe imayambitsa kuwonongeka kwa tweeter. Ndipotu si choncho. Munthawi zaukadaulo, wokamba nkhani amatha kupirira kugwedezeka kwa ma siginecha kuwirikiza kawiri mphamvu yake, ndipo amatha kupirira katatu nthawi yomweyo. Peak imagwedeza kawiri mphamvu yovotera popanda mavuto. Chifukwa chake, ndizosowa kwambiri kuti tweeter imawotchedwa ndi mphamvu yayikulu ya amplifier yamagetsi, osati chifukwa champhamvu yosayembekezereka kapena kulira kwanthawi yayitali kwa maikolofoni.
Pamene chizindikirocho sichinasokonezedwe, mphamvu ya mphamvu ya chizindikiro chodzaza nthawi yochepa imagwera pa woofer ndi mphamvu yapamwamba, yomwe siimapitirira mphamvu yaifupi ya wokamba nkhani. Nthawi zambiri, sizidzayambitsa kupatuka kwa kugawa mphamvu kwa wokamba nkhani ndikuwononga gawo la wokamba nkhani. Chifukwa chake, pamikhalidwe yogwiritsiridwa ntchito bwino, mphamvu yotulutsa mphamvu ya amplifier yamagetsi iyenera kukhala 1--2 nthawi yamphamvu ya wokamba nkhani, kuti zitsimikizire kuti chowonjezera champhamvu sichimayambitsa kusokoneza pamene mphamvu ya wokamba ikugwiritsidwa ntchito.
2. Kugwiritsa ntchito molakwika magawano pafupipafupi
Kugwiritsa ntchito molakwika gawo logawika ma frequency a terminal yolowera pomwe gawo lakunja likugwiritsidwa ntchito, kapena kuchuluka kwa ma frequency osagwirizana ndi okamba nawonso kumayambitsa kuwonongeka kwa tweeter. Mukamagwiritsa ntchito frequency divider, gawo logawa pafupipafupi liyenera kusankhidwa mosamalitsa malinga ndi kuchuluka kwa ma frequency ogwiritsira ntchito a speaker operekedwa ndi wopanga. Ngati crossover point ya tweeter yasankhidwa kukhala yochepa ndipo mphamvu yolemetsa ndi yolemetsa kwambiri, n'zosavuta kuwotcha tweeter.
3. Kusintha kosayenera kwa equator
Kusintha kwa equalizer nakonso ndikofunikira. Ma frequency equalizer amayikidwa kuti akwaniritse zolakwika zosiyanasiyana zamawu am'nyumba komanso ma frequency osagwirizana a okamba, ndipo amayenera kusinthidwa ndi chowunikira chenicheni cha sipekitiramu kapena zida zina. Mawonekedwe afupipafupi a kufala pambuyo pochotsa zolakwika akuyenera kukhala athyathyathya mkati mwamitundu ina. Ochunira ambiri omwe alibe chidziwitso chomveka amawongolera momwe angafunire, ndipo ngakhale anthu ochepa amakweza ma frequency apamwamba komanso magawo ochepera a chofananira pamwamba kwambiri, kupanga mawonekedwe a "V". Ngati ma frequency awa achulukitsidwa ndi kupitilira 10dB poyerekeza ndi ma frequency a midrange (kuchuluka kwa equator nthawi zambiri kumakhala 12dB), osati kupotoza kwa gawo komwe kumachitika chifukwa chofananitsa kungapangitse phokoso la nyimbo mozama, komanso kupangitsa kuti nyimboyo iwonongeke mosavuta, mtundu woterewu ndiwomwe umayambitsanso oyankhula otenthedwa.
- Kusintha kwa mawu
Ogwiritsa ntchito ambiri amayika chowonjezera cha amplifier cha post-siteji pa -6dB, -10dB, ndiko kuti, 70% --80% ya kowuni ya voliyumu, kapena malo abwinobwino, ndikuwonjezera zolowera kutsogolo kuti mukwaniritse voliyumu yoyenera. Zimaganiziridwa kuti wokamba nkhaniyo ndi wotetezeka ngati pali malire mu amplifier ya mphamvu. Ndipotu izi ndi zolakwika. Mphuno yochepetsera ya amplifier ya mphamvu imachepetsa chizindikiro cholowetsa. Ngati kulowetsedwa kwa amplifier mphamvu kumachepetsedwa ndi 6dB, zikutanthauza kuti kusunga voliyumu yomweyi, gawo lakutsogolo liyenera kutulutsa 6dB zambiri, voliyumu iyenera kuwirikiza kawiri, ndipo chowongolera chapamwamba chazolowera chidzadulidwa pakati. Panthawiyi, ngati pali chizindikiro chachikulu chadzidzidzi, zotulukazo zidzadzaza 6dB koyambirira, ndipo mawonekedwe odulidwa amawonekera. Ngakhale amplifier yamagetsi sichimalemedwa, kulowetsako ndi mawonekedwe odulira, gawo la treble ndilolemera kwambiri, osati treble yokhayo yomwe imasokonekera, koma tweeter imatha kuwotcha.
Tikamagwiritsa ntchito maikolofoni, ngati maikolofoni ili pafupi kwambiri ndi wokamba nkhani kapena kuyang'anizana ndi wokamba nkhani, ndipo voliyumu ya amplifier yamagetsi imatsegulidwa mokweza kwambiri, n'zosavuta kutulutsa mawu omveka kwambiri ndi kuyambitsa kufuula, zomwe zidzachititsa kuti tweeter iwonongeke. Chifukwa chakuti zizindikiro zambiri za midrange ndi treble zimatumizidwa kuchokera ku treble unit pambuyo podutsa pa frequency divider, chizindikiro champhamvu champhamvu ichi chonse chimadutsa mu treble unit ndi koyilo yopyapyala kwambiri, ndikupanga mphamvu yayikulu nthawi yomweyo, kuchititsa kutentha kwanthawi yomweyo, ndikuwomba waya waya wa mawu , tweeteryo idasweka atatha kufuula "woo".
Njira yolondola ndiyo kugwiritsira ntchito maikolofoni osayandikira kapena kuyang’anizana ndi choyankhulira, ndipo mphamvu ya amplifier ya mphamvu iyenera kuwonjezeka pang’onopang’ono kuchoka pa yaying’ono kupita yaikulu. Thezokuzira mawuzidzawonongeka ngati voliyumuyo ndi yokwera kwambiri, koma momwe zinthu ziliri ndizomwe mphamvu ya amplifier yamagetsi imakhala yosakwanira ndipo chokweza mawu chimayatsidwa mwamphamvu, kotero kuti kutuluka kwa amplifier mphamvu sikuli koyenera kwa sine wave, koma chizindikiro chokhala ndi zigawo zina zowonongeka, zomwe zidzawotcha wokamba nkhani.
Nthawi yotumiza: Nov-14-2022