Of technologyKorantada

Saddex-way iyo laba-jid ku hadla: Tilmaamo, faa'iidooyinka, kala duwanaanshaha

In suuqa maanta ku hadla ee waxaa lagu soo bandhigay in kala duwan oo caddaalad ah oo waaweyn. qalab Tani waa ka duwan midba midka kale in baaxadda (qalab, riwaayad, studio, iwm) sida ay sooca ah iyo foomka of qolof tayada kale oo badan. The dhimaya ugu muhiimsan in la tixgeliyo in meesha ugu horeysa, waa tirada "baararka" nidaamka. Sida laga soo xigtay this Faraj, Sharaf hal, saddex iyo laba-jid ku hadla. Sidee bay u kala duwan yihiin ha midba midka kale iyo taas oo nidaamka waa ka fiican, waxaan isku dayi doonaa in aan ka jawaabo in this article.

Inta jeer ee codka

xubnaha Human dhageysiga ay awoodaan in ay aqoonsadaan dhawaaqa inta jeer a of 20 ilaa 20.000 Hz. Sidaa darteed, tayada music ay ku xidhan tahay awoodda qalabka si ay u abuuraan a mowjado dhawaaq tegayo kala duwan siiyey. Ujeedada this, in afhayeenka bilaabay inuu ka mid ah ku hadla in dhalid aad u hooseeya (20-150 Hz), dhexdhexaad ah (100-7000 Hz) iyo sare (5-20 kun. Hz) mawjadaha. Marka tan la eego, waxaa jiray:

  1. nidaamka SSB, halkaas oo kala duwan inta jeer oo dhan abuuraa mid afhayeenka.
  2. Laba-jidka ku hadla, taas oo uu leeyahay laba: mid ka mid ah inuu ka ciyaaro music at dhexdhexaad iyo mawjadaha hooseeyo, iyo tan labaad - oo kaliya on sare.
  3. qalabka Saddex haad - waayo dhawaaqa ciyaaro kala duwan oo mid kasta oo u dhiganta a "column" oo kala duwan.

Waxaa jira qalab badan ee guutooyinkiisa, halkaas oo qof kasta celin run ah oo kala duwan oo soo noqnoqoshada. The ugu caansan waxay leeyihiin nidaam laba iyo saddex haad - waxay yihiin inta badan la awoodi karo iyo waqti isku mid ah bixiyaan tayada codka fiican.

Faa'iidooyinka laba-jid ku hadla

Laba-jidka ku hadla ayaa ah kuwa ugu dhex darawallada caan ah. Waxay bixiyaan tayada codka si mug leh waqti isku mid ah waxay leeyihiin qiimo macquul ah. Sababo la horumarinta technology laba-jid codka si firfircoon uga barakacay qalabka saddex-band, laakiin weli waa ku baahday sababta oo ah faa'idooyin:

  1. design fudud, taas oo fududeyneysa ah rakibaadda iyo qaabeynta.
  2. degree sare ee joogta ah ee u dhexeeya hadla, taasoo keentay in tayada wanaajiyey iyo dhawaaqa.
  3. The ugu dabiiciga ah, "live" dhawaaqa.

The qalabka laba haad leedahay laba kaliya ku hadla - ka Bass iyo koob. Gudoomiyaha Bass saarta dhawaaqa ee safafka hoose iyo bartamihii, iyo RF - Keliya sare. Sababo la this nidaamka u baahan shabakadaha crossover fudud.

Maqaallo qalabka saddex-band

Gudoomiyaha Saddex-jidkiisu waa nidaamka ay horey u tilmaamay dhawaaqa ugu fiican ee kala duwan. Qalabka nidaamyada sida doukomplektovyvaetsya darawalka midrange, taas oo xanbaarsan wax-u macluumaad ah "da'ayeen" abuuraa codka ku wareejin. Intaa waxaa dheer, ay sabab u tahay kala-soocidda waajibaadka, qalabka waxa uu noqday yaryar. tayo xun nidaamka saddex-band waa qiimo sare. Waa laba ilaa saddex jeer ka badan in ka mid ah laba-jid ku hadla. Waxaa intaa dheer, saddex hab codka crossover ku lug rakibo - adag filtarrada soo noqnoqoshada. Si aad u dhigay ilaa qalabka sida waa in uu leeyahay dhagaysiga fiican, ama si ay u gaaraan joogta ah ee ku hadla ma shaqeyn doonto.

Khilaaf ku hadla

nidaamka kasta loomana baahno ka kooban ku hadla (Ji, LF iyo RF), qalabka dabaqii labaad, Sammeecado signal, fiilooyinka audio, iyo boosteejada talooyin ah. qalabka sifeynta ayaa masuul ka ah kala signalka audio dhowr guutooyin. Loomana baahno dual inta jeer filter band qaybiyaa laba "qayb" - in 5-6 kun oo Hz iyo kor 6 Khz .. qalabka Saddex-jidka guud ahaan qalabaysan crossovers - miirayaasha inta jeer hagaajin karo oo kala qaybi kala duwan mugga saddex qaybood.

All qalabka loomana baahno noqon kartaa firfircoon ama dadban. Xaaladda hore samaacad kasta ku qalabeysan yahay kordhiyo a signal oo kala duwan. xalka waxa ay fududaysaa in lays ee emitters, yaraynta guud ahaan kharashka nidaamka. Si kastaba ha ahaatee, iyadoo ay sii kordhaya ee adeegga, rakibaadda iyo qaabeynta bilowga ah. Sammeecado Separate inta badan set kaabaha aaladaha saddex-jidka.

Coaxial iyo Qeybta hadla

Taasi oo sanqadhaya oo kale ah ku hadla saddex ama laba-jid oo gaariga ku xiran tahay nooca hadla in ay yihiin coaxial iyo qayb. Ka hore waa qaab-dhismeedka hal mabda'a kaas oo hiitarka lagu daro sare, dhexdhexaad iyo mawjadaha hooseeyo. xal Tani waxay ka dhawaajiyaan aadka jiho. Sidaa darteed, hay'adaha sida loo isticmaalo oo dheeraad ku ah oo la doorbidayo in baabuurta yar yar. ku hadla Qeybta waa emitters ah, kuwaas oo loo diyaarin karaa meelo kala duwan. Sababo la this waxaa suurtagal ah si loo gaaro dhawaaqa hareereeya, si kastaba ha ahaatee, waa geedi socodka rakibo adag. Sidoo kale, ay sabab u tahay rakibaadda aan habboonayn ee stage dhawaaqa ay noqon doontaa arrin Nuurre Aw. nidaamka Qeybta rakibay baabuurta leh gudaha u waasac ah.

qiimaha Arrinta

Sida hore u soo sheegnay, afhayeenka laba hab noqon doonaa inta ka jaban tahay rakibidda qalabka saddex-band. Waxaa jira laba sababood awgood:

  • qadar yar oo qalab - waxay u baahan tahay ku hadla laba kaliya, ugu badnaan laba Sammeecado iyo mid filter,
  • rakibo fudud - si ay u ururiyaan nidaamka noocan oo kale ah si madaxbanaan u noqon kartaa, adigoo aqoonta aasaasiga ah ee beerta korontada.

Halabuurka The nidaamka saddex-hab ka mid ah qalabka a casri ah, kharashka oo waa ka sii badan qiimaha qalabka caadiga ah. Sidoo kale, haddii aad go'aansato in aad ku rakibi hadla sida, waxaad u baahan doontaa in aad hesho kaalmo of xirfadlayaasha - oo aan lahayn qalabka qiyaaseed gaar ah iyo nidaam-dhajinta dhegta dhuuban isku dhawaaqi doonaa sida ku hadla labada-dhinac. Tani waa jawaabta ugu weyn ee su'aasha ah farqiga u dhexeeya labada dhinac ku hadla oo ka saddex-jidka.

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