1. Intshayelelo kwizithethi

Isithethi sibhekisa kwisixhobo esinokuguqula iisiginali ezivakalayo zibe sisandi.Ngokwemigaqo ye-layman, ibhekisa kwi-amplifier yamandla eyakhelwe-ngaphakathi kwikhabhinethi yesithethi esikhulu okanye i-subwoofer cabinet.Emva kokuba isandi somsindo sandisiwe kwaye siqhutywe, isithethi ngokwaso sidlala kwakhona isandi ukuze sivakale.Yiba nkulu.

Isithethi yitheminali yayo yonke inkqubo yesandi.Umsebenzi wayo kukuguqula amandla omsindo abe ngamandla esandi ahambelanayo kwaye asasazeke kwindawo.Iyinxalenye ebaluleke ngokugqithisileyo yesixokelelwano sesandi kwaye inoxanduva lokuguqula iisignali zombane zibe ziisignali ze-acoustic zabantu.Umsebenzi wokuphulaphula ngokuthe ngqo ezindlebeni.

Ukuqulunqwa kwesithethi:

Izithethi kwimarike ziza kuzo zonke iimilo kunye nemibala, kodwa nokuba yeyiphi na, zenziwe ngamacandelo amabini asisiseko:isithethiiyunithi (ebizwa ngokuba yiyunithi yaseYangsheng) kunye nekhabhinethi.Ukongeza, uninzi lwezithethi zisebenzisa ubuncinci zimbini okanye ezimbini Kuphela ezi yunithi zesithethi zingentla ziphumeza oko kubizwa ngokuba kukuveliswa kwesandi se-multi-channel, ngoko ke i-crossover iyinxalenye eyimfuneko.Ewe kunjalo, kusenokubakho umqhaphu ofunxa isandi, iityhubhu eziguquliweyo, “imibhobho yelabyrinth” esongekileyo, kunye nezithethi eziqinisiweyo.Iimbambo/iibhodi zokugquma isandi esomeleziweyo kunye namanye amacandelo, kodwa ezi zixhobo aziyomfuneko kuso nasiphi na isithethi.Awona macandelo asisiseko esithethi ngamalungu amathathu kuphela: iyunithi yesithethi, ikhabhinethi kunye ne-crossover.

Ukuhlelwa kwezithethi:

Ukuhlelwa kwezithethi kuneengile ezahlukeneyo kunye nemigangatho.Ngokwesakhiwo se-acoustic yezithethi, kukho iibhokisi ezingangeni moya, iibhokisi ezijijekileyo (ezikwabizwa ngokuba ziibhokisi zokubonisa amaza aphantsi), izithethi zeradiyetha ezingenzi nto, kunye nezithethi zemigca yothumelo.Ibhokisi ye-inverter yeyona nto iphambili kwimarike yangoku;ukusuka kumbono wobungakanani kunye nokubekwa kwezithethi, kukho iibhokisi ezisemgangathweni kunye neebhokisi zeencwadi.Eyangaphambili inkulu ngokwemilinganiselo kwaye idla ngokubekwa ngokuthe ngqo emhlabeni.Ngamanye amaxesha, iinyawo ezibambekayo zifakwe phantsi kwezithethi..Ngenxa yomthamo omkhulu wekhabhinethi kunye nokulula kokusebenzisa iiwoofers ezinkulu nangaphezulu, ibhokisi yomgangatho ukuya kwisilingi idla ngokuba ne-frequency ephantsi engcono, inqanaba eliphezulu loxinzelelo lwesandi kunye nomthamo oqinileyo wokuthwala amandla, ngoko ilungele iindawo ezinkulu zokumamela. okanye iimfuno ezibanzi ngakumbi Ibhokisi yeshelufu yeencwadi incinci ngobukhulu kwaye idla ngokubekwa kwi-tripod.Ibonakaliswa ngokubekwa okuguquguqukayo kwaye ayihlali kwindawo.Nangona kunjalo, ngenxa yomthamo webhokisi kunye nokunciphisa ububanzi kunye nenani le-woofers, i-frequency yayo ephantsi idla ngokuba ngaphantsi kwebhokisi lomgangatho, kunye namandla ayo okuthwala Kwaye inqanaba loxinzelelo lwesandi esiphumayo nalo lincinci, elifanelekileyo. ukusetyenziswa kwindawo encinci yokuphulaphula;ngokwe-bandwidth emxinwa yokudlala, kukho izithethi ze-broadband kunye nezithethi ze-narrowband.Uninzi lwezithethi ziyilelwe ukugquma Ibhendi yefrikhwensi ngokubanzi kangangoko sisithethi sebhendi ebanzi.Olona hlobo luxhaphakileyo lwezithethi zebhanti ezimxinwa yi-subwoofer (i-subwoofer) evele kunye nethiyetha yasekhaya, esetyenziselwa kuphela ukubuyisela i-ultra-low frequency kwi-frequency band emxinwa kakhulu;Ngokubhekiselele ekubeni kukho i-amplifier eyakhelwe-ngaphakathi, inokwahlulwa ibe zizithethi ze-passive kunye nezithethi eziSebenzayo, eyokuqala ayinayo i-amplifier eyakhelwe-ngaphakathi kwaye le yokugqibela inayo.Okwangoku, uninzi lwezithethi zasekhaya azithethi, kodwa ii-subwoofers zihlala zisebenza.

2. Intshayelelo kwi-Audio

Isandi sibhekisa kwizandi ezingezizo zolwimi nomculo wabantu, kuquka izandi zendalo esingqongileyo, izandi zezilwanyana, izandi zoomatshini nezixhobo, nezandi ezahlukeneyo ezenziwa zizenzo zomntu.I-Audio mhlawumbi ibandakanya i-amplifier yamandla, izixhobo ze-peripheral (kubandakanya i-compressor, i-effector, i-equalizer, i-VCD, i-DVD, njl.), izithethi (izithethi, izithethi), i-mixer, i-microphone, izixhobo zokubonisa, njl.Phakathi kwazo, izithethi zizixhobo zokukhupha isandi, izithethi, i-subwoofers, njalo njalo.Isithethi siquka izandisi-lizwi ezithathu, eziphakamileyo, ezisezantsi neziphakathi, ezithathu kodwa kungeyomfuneko ukuba zibe zithathu.Imbali yophuhliso lwetekhnoloji inokwahlulwa ibe ngamanqanaba amane: iityhubhu ze-electron, ii-transistors, ii-circuits ezidibeneyo, kunye ne-transistors effect field.

Amalungu omsindo:

Izixhobo zomsindo mhlawumbi zibandakanya izandisi zamandla, izixhobo zeperipheral (kubandakanywa iicompressors, iziphumo, izilinganisi, ii-exciters, njl. njl.), izithethi (izithethi, izithethi), abaxube, imithombo yesandi (njengee-microphone, izixhobo zomculo, i-VCD, iDVD) izixhobo zokubonisa Kwaye ke kwi, dibanisa ukuya kwiseti enye.Phakathi kwazo, izithethi zizixhobo zokukhupha isandi, izithethi, ii-subwoofers, njl njl. Isithethi siquka iintlobo ezintathu zezithethi, eziphezulu, eziphantsi, neziphakathi, kodwa akunyanzelekanga ukuba zibe zintathu.