Izithethi zinokwahlulwa zibe zizithethi ezipheleleyo, izithethi ezinendlela-mbini, izithethi ezintathu kunye nezinye iintlobo zezithethi ngokwefomu yokwahlula amaza.Isitshixo kwisiphumo sesandi sezithethi sixhomekeke kwizithethi zabo ezakhelwe kuzo ezipheleleyo kunye namacandelo esithethi se-crossover.Isithethi esipheleleyo sivakala ngokwendalo kwaye sikulungele ukumamela amazwi abantu.Isithethi se-crossover sigqwesile kukwandiswa okuphezulu kunye nokuphantsi, kwaye sinokudlulisa iziphumo zesandi ezinomaleko ohlukileyo kunye nokuqonda okutyebileyo kweenkcukacha.Ngoko ke, inkqubo yesandisi-lizwi kwezinye iimeko zokusetyenziswa kukukhetha isixhobo esifanelekileyo sesithethi ngokweemfuno, okanye sinokusetyenziswa ngokudityaniswayo ukuze kuphunyezwe owona mphumo ubalaseleyo.

Isithethi siyinxalenye ebalulekileyo yesandisi-lizwi, kunokuthiwa ngumphefumlo.Iindidi zezithethi kwiimarike ngoku, kunye neempawu zabo eziphambili zesandi, mhlawumbi abaninzi abahlobo abanomdla bafuna ukwazi nokufunda, kuba kuphela ngokuqonda imigaqo kunye neenzuzo zabo ngokweenkcukacha sinokukhetha ngcono izixhobo zesithethi ezifanelekileyo kwindawo efunekayo .Ukubonakala kwesithethi kubonakala kulula, kodwa isakhiwo saso sangaphakathi asilula, kwaye ngokuchanekileyo ngenxa yezi zakhiwo zeyunithi eziyinkimbinkimbi kunye nokuhlelwa kwazo okufanelekileyo ukuba kunokwenzeka ukudala umgangatho ozwakalayo ozwakalayo.Izithethi zinokwahlulwa zibe zizithethi ezipheleleyo, izithethi ezinendlela-mbini, izithethi ezintathu kunye nezinye iintlobo zezithethi ngokwefomu yokwahlula amaza.i
Isithethi esipheleleyo soluhlu
Isithethi esinoluhlu olupheleleyo sibhekisa kwiyunithi yesithethi esinoxanduva lokukhupha isandi kuzo zonke iifrikhwensi zoluhlu.Iingenelo zezithethi ezipheleleyo sisakhiwo esilula, ukulungisa iimpazamo ngokulula, ixabiso eliphantsi, amazwi alungileyo aphakathi, kunye ne-timbre efanayo.Ngenxa yokuba akukho kuphazamiseka kwizahluli ze-frequency kunye namanqaku e-crossover, iyunithi enye inoxanduva lwesandi esipheleleyo soluhlu, ngokokude isiphumo sesandi seyunithi yesithethi silungile kwizithethi ezipheleleyo, i-middle-frequency vocals isenokwenza kakuhle, kwaye nezandi zefrikhwensi ephakathi zinokwenza kakuhle..Kutheni izithethi ezikuluhlu olupheleleyo zinokufikelela kwikhwalithi yesandi esihle kunye ne-timbre ecacileyo?Ngenxa yokuba ingumthombo ophilileyo weengongoma, isigaba sinokuchaneka;I-timbre yebhendi yefrikhwensi nganye ithande ukuhambelana, kwaye kulula ukuzisa ibala lesandi elingcono, umfanekiso, ukwahlulwa kwesixhobo kunye nokubekwa, ngakumbi ukusebenza kwezwi kuhle kakhulu.Izithethi ezipheleleyo zingasetyenziswa kwiindawo zentselo, kwiiholo ezinemisebenzi emininzi, kumashishini karhulumente, kwimidlalo yeqonga, ezikolweni, ezihotele, kukhenketho lwenkcubeko, kumabala emidlalo, njl.njl.
.Isithethi rhoqo
Izithethi zeCrossover ngoku zinokwahlulwa ngokubanzi zibeizithethi ezimbinikwayeizithethi ezintathu, ezibhekiselele kwizithethi ezineeyunithi ezimbini okanye ngaphezulu, kwaye isithethi ngasinye sinoxanduva lokuvelisa isandi soluhlu lwamaza ohlobo oluhambelanayo ngokusebenzisa isahluli samaza.
Inzuzo yesithethi se-crossover kukuba isithethi ngasinye seyunithi sinoxanduva lommandla othile wokuphindaphinda, icandelo le-tweeter lijongene ne-treble, inxalenye yeyunithi ye-midrange ijongene ne-midrange, kunye necandelo le-woofer lijongene ne-bass.Ke ngoko, iyunithi nganye enoxanduva kwi-domain ekhethekileyo ye-frequency inokusebenza ngokugqibeleleyo.Ukudityaniswa kwamacandelo eyunithi yesithethi se-crossover kunokwenza ukwandiswa kwe-treble kunye ne-bass banzi, ngoko ke iyakwazi ukugubungela uluhlu olubanzi lwe-frequency kunesithethi esipheleleyo, kwaye ukusebenza okwethutyana nako kuhle kakhulu.Izithethi zeCrossover zingasetyenziswa kwi-KTV, imivalo, iihotele, amagumbi etheko, iindawo zokuzilolonga, imiboniso yeqonga, amabala emidlalo, njl.
Ukungalungi kwezithethi ze-crossover kukuba kukho amacandelo amaninzi eyunithi, ngoko ke kukho umahluko othile kwi-timbre kunye nesigaba sokwahlukana phakathi kwabo, kwaye inethiwekhi ye-crossover yazisa ukugqwesa okutsha kwinkqubo, kunye nebala lesandi, umgangatho womfanekiso, ukwahlukana kunye nenqanaba liya kuphumelela. konke kube ngcono.Kulula ukuchaphazeleka, indawo yesandi yesandi ayicocekanga kangako, kwaye i-timbre iyonke iya kuphambuka.
Ukushwankathela, isitshixo kwisiphumo sesandi sezithethi sixhomekeke kwizithethi zabo ezakhelwe kuzo ezipheleleyo kunye namacandelo esithethi se-crossover.Isithethi esipheleleyo sivakala ngokwendalo kwaye sikulungele ukumamela amazwi abantu.Isithethi se-crossover sigqwesile kukwandiswa okuphezulu kunye nokuphantsi, kwaye sinokudlulisa iziphumo zesandi ezinomaleko ohlukileyo kunye nokuqonda okutyebileyo kweenkcukacha.Ngoko ke, inkqubo yesandisi-lizwi kwezinye iimeko zokusetyenziswa kukukhetha isixhobo esifanelekileyo sesithethi ngokweemfuno, okanye sinokusetyenziswa ngokudityaniswayo ukuze kuphunyezwe owona mphumo ubalaseleyo.