Kwanan nan ka lura cewa akwai muryoyi masu yawa a kan kasuwar yanzu. Abin baƙin ciki ga mai siye, ko da yake, ingancin motsawa na tsagewar amo yana bambanta da murya daga wayo zuwa murya. Wasu daga cikinsu suna da tasiri ƙwarai da gaske za ka iya tunanin wani abu ba daidai ba ne tare da kunnuwa. Amma wasu daga cikin su kawai sun soke wasu 'yan decibels suna da tasiri. Ko da mawuyacin hali, wasu daga cikinsu suna kara kararraki, saboda haka yayin da suke rage rikici a ƙananan ƙananan hanyoyi, suna karuwa a ƙananan hanyoyi.
Abin farin ciki, ƙaddamar da aikin warwarewa a murya mai sauƙi ne. Tsarin ya shafi samar da ƙananan amo ta hanyar sauti, sa'annan yayi la'akari da yawan sauti ta hanyar murya a kunnuwa.
01 na 04
Mataki na 1: Haɓaka Gear
Sashin ɓangaren yana buƙatar nagartaccen bidiyon mai bincike, kamar Gaskiya RTA; kebul na wayar salula, irin su Blue Microphones Icicle; da kuma kunnen kunne / kullin na'urar kwaikwayo irin su GRAS 43AG na yi amfani da su, ko kuma manular gashin murya irin su GRAS KEMAR.
Zaka iya ganin saiti na ainihi a hoto a sama. Wannan ita ce 43AG a gefen hagu, wanda aka haɗa da na'urar kunne na roba wadda ta wakiltar wani abin da ya fi girma ga mutanen da suka fi girma, watau mutanen Amirka da na Turai. Ana kunna sautunan kunne a cikin nau'o'i daban-daban da durometers daban-daban.
02 na 04
Mataki na 2: Yin wasu batu
Samar da siginar gwaji ne ainihin kadan tougher idan kun tafi ta hanyar littafin. IY 60 6098-7 ma'aunin magance murya ya nuna cewa tushen sautin don wannan jarrabawa ya zama masu magana takwas a kusurwar dakin, kowannensu yana kunshe da maɓallin rikici. Hanyar da ba a haɗe ba yana nufin cewa kowane mai magana ya samo siginar sauti, don haka babu alamar ɗaya.
Ga wannan misali, saitin ya ƙunshi biyu Genelec HT205 waɗanda ke yin magana a wasu sasanninta na ofishin / ofishin, kowannensu yana harbewa cikin kusurwa domin yaɗa mafi sauti. Maganganun biyu sun karbi sifofin sutura. Ƙungiyar Sunfire TS-SJ8 a cikin kusurwar daya yana ƙara wasu bass.
Zaka iya ganin saitin a cikin zane a sama. Ƙananan ƙananan murabba'ai a cikin sasanninta sune Genelecs, babban masauki a ƙananan dama shine Sunfire Sub, kuma sandan launin ruwan kasa shine filin gwajin inda zanyi ma'aunin.
03 na 04
Mataki na 3: Gudun Matakan
Don farawa da hankali, karɓar motsawa, sai ka kafa matakan ƙira don haka matakan 75 dB kusa da ƙofar tashar murfin roba na 43AG, wanda aka auna ta amfani da matakan sauti na mita (SPL). Don samun tushe na abin da sautin yake a waje da kunnen kunnen baza don haka zaka iya amfani da shi azaman abin nufi, danna maɓallin REF a TrueRTA. Wannan yana ba ku layin layi a kan zane a 75 dB. (Zaku ga wannan a cikin hoton da ke gaba.)
Kusa, sanya muryar mai kunnawa a kunne / kullin na'urar kwaikwayo. Rashin ƙasa na benci na gwaji an haɗa shi da tubalan itace don haka nisa daga tudun saman 43AG zuwa kasa na katako na itace daidai ne da girman kaina a kunnena. (Ba zan iya tuna ainihin abin da nake ba, amma kimanin inci 7 ne). Wannan yana riƙe da matsa lamba mai kyau na na'urar kai ta kunne akan kunne / kullin na'urar kwaikwayo.
Ta IEC 60268-7, Na saita TrueRTA don 1/3-octave smoothing kuma saita shi zuwa matsakaita 12 samfurori daban-daban. Duk da haka, duk da haka, kamar duk wani nau'in da ya shafi motsa jiki, ba shi yiwuwa a samu shi 100% daidai saboda hayaniya bazuwar ba.
04 04
Mataki na 4: Tabbatar da sakamakon
Wannan ginshiƙi yana nuna sakamakon sakamako na ƙwararren Phiaton Chord MC 530-sokewa da murya. Cyan layin ne tushen, abin da kunne / kullin na'urar kwaikwayo "ji" lokacin da babu maɓalli a can. Sakamakon layi yana haifar da sauke-sokewa. Sakamakon launi mai laushi shine sakamakon sauya-sokewa.
Yi la'akari da cewa ƙararrawar motsa jiki tana da rinjaye mafi girma tsakanin 70 da 500 Hz. Wannan abu ne na al'ada, kuma yana da kyau saboda abin kirki ne wanda motar motar dake cikin gidan jirgin sama ya zauna. Lura cewa ƙungiyar motsawa ta amo zata iya ƙaruwa sosai a cikin ƙananan maɗaukaki, kamar yadda muka gani a cikin wannan tashar inda karar ya fi girma tsakanin 1 da 2.5 kHz tare da sokewa-sokewa.
Amma jarrabawar ba ta ƙare ba sai an tabbatar da shi ta kunne. Don yin wannan, na yi amfani da tsarin na sitiriyo don yin rikodi na yin sauti a cikin gidan jirgin sama. Na yi rikodina a cikin ɗaya daga cikin wuraren zama na wani jet na MD-80, daya daga cikin tsofaffi da mafi kyawun nau'in a halin yanzu a sabis na kasuwanci a Amurka. Na ga - ko ji - yadda kyakkyawan aiki zai iya yi a cikin sauti rage ba kawai murfin jet ba, amma muryar sanarwar da sauran fasinjoji.
Na yi wannan ƙididdiga na shekaru biyu a yanzu, kuma daidaitawar tsakanin auna da ainihin motsawa-soke ayyukan da na samu a kan jiragen sama da bas din yana da kyau tare da kunne da kunnen kunne . Sakamakon ba shi da kyau sosai tare da kunne masu kunnen bakin ciki domin tare da waɗanda waɗanda nake yawanci su cire fuska farar daga mai kwakwalwa kuma yi amfani da mawallafin GRAS RA0045 don auna. Sabili da haka, wasu daga cikin ɓoye (blockage) sakamako mai yawa a cikin kunnen model an rasa. Amma har yanzu yana da kyakkyawan alamar yadda ma'anar motsa jiki ta sake yin aiki.
Yi la'akari da cewa kamar kowane jijin murya, wannan ba cikakke bane. Kodayake an sanya mai ƙarƙashin wuri zuwa nesa daga benjin gwaji, ana sanya filin benci a kan ƙafafu, kuma kunnen kunnen kunne / kullin na'urar ta dace da ƙafar ƙafafu, a kalla wasu tsararraki na bass sun shiga cikin microphone ta hanyar motsa jiki. Na yi ƙoƙari na inganta wannan ta ƙara ƙarin padding a karkashin na'urar simulator, amma don rashin wadatawa, mai yiwuwa saboda vibrations a cikin iska ma ya sa wasu sauti cikin jiki na na'urar kwaikwayo.