manavansathi shravanvishayak dhokyache moolyankan algoridam

manavansathi shravanvishayak dhokyache moolyankan algoridam (aahah) heey manvi shravan pranaliche ganiteey model aahe jeey bandukichi golee aanee airbagchya upayojanasarkhya aaveg dhvaninchya samparkat aalyane manvi shravanshaktila nirman jokhamichi ganana karate. too yuu. aii. neey vikasit keela hota.ess. shravan sanrakshn upkarananchya parinamkarakteche moolyankan karnyasathi aanee vaparkartyasathi surakshit karnyasathi yantrasamagri aanee shastranchya rachanela madat karnyasathi lashkari sanshodhan prayogshala (aii. aar. ell.).
2015 madhye, aahah haah yuu. dwara vaparlya jaanarya done metrikspaiki eka banala.ess. lashkari pranalinmadhun aavaj patalichya jastit jaast pradarshanache niyaman karnyasathi sanrakshn vibhag lashkari manak (emm. ell.-st. dii.) 1474eae. laa manyata deil. yacha vapar motar vahan abhiyantyanchya sosayatidvare airbagchya aavajachya dhokyachi ganana karnyasathi aanee israyali sanrakshn daladware aaveg aavaj vishleshanasathi dekhil keela jaato.
vihangavalokan.
aavaj-prerit shravanshakti qamee hone (aine. aay. etch. ell.) samanyatah tevha hote jevha shravan pranalila uchch-stariy aavajachya samparkat aalyane shravanshaktichya maryadechi vaadh anubhavata yete, hii ghatana tatpurati threshold shift (tii. tii. ess.) mhanoon olakhali jaate aanee samanya threshold staravar parat yet nahee. dhwani pradarshanachya prakaranusar shravan pranaliche nuksan badaloo shakate. audhyogik vatavaranat varanvar varanvar satatchya parshvabhoomichya aavajachya ulat, shastre aanee bandukindware nirman honara aaveg aavaj atishay qamee kalavadhit, visheshtah kahee milisekandanchya aaspas, khoop uchch daab patali darshavito. parinami, shastranchya thadgyachya jawal mojali jaanari maidanachya jawalchi shikhar patali, hatat dharalya kelya shastransathi 150 dii. bii. aanee judd tofkhanyansathi 180 dii. bii. peksha jaast asoo shakate. tyaa tulanet, audhyogik vatavaranatil aavajanchi kamal patali 113 teey 120 dii. bii. itaki mojali gelee.
sainikanna shravanshaktichya hanipasoon vachavanyasathi, yuu.ess. lashkarane 1474 chya lashkari manakanche (mill-std) palan kele, jyat lashkari pranalindware nirman houu houu kamal aavajachya patalichi vyakhya kelee gelee. tathapi, manvi svayamsevakanchya abhyasanni dakhavun dile qee 1997 pasoon vaparale jaanare manak, tarr, aaveg aavaj samparkashi sambandhit dhokyacha atiaakalan karate. shravanshakti qamee honyachya jokhamichya chukichya mulyankananvar aadharit kananchya tyanantarchya atisanrakshanashi yuddhbhumivaril lashkari lashkari shabdik sanvadat sambhavya adthala nirman hoil aanee paristhitijanya jagrukta qamee hoil asey manale jaat hote. aadhichya metriksmadhye naan ganalya gelelya kanachya dhwanik aanee sharirik vaishishtyancha tyachya vishleshanat samavesh karoon aaveg aavajamule manvi kanala nirman dhokyache adhik achook moolyankan karnyasathi aah vikasit karnyat aala hota. aah model aanee samatulya aii-waited urja paddhat, lake 100 emm. ess. sudharit sudharit madhye samavisht karnyat aalee hotee.
vikas.
aah model pahilyanda 1987 madhye yuu. aii. neey vikasit kele hote.ess. lashkarachi manvi abhiyantriki prayogshala (hail), jee nantar yuu. ess. chaa bhag bunley.ess. bahya, madhyam aanee aateel kananmadhil guntaguntichya parasparsanvadachi tapasani karnyasathi aanee kokliyachya staravar shravanshakti qamee honyamagil prakriya samajoon ghenyasathi lashkari sanshodhan prayogshala (aii. aar. ell.). moolatah kanache vidyut-dhwanik pratikruti mhanoon karya karnyasathi tayar kelele aah heey asankhya dhwani-sampark prayoganche utpadan hote, jeey bhavishyatil abhyasachya dishene margadarshan karatat. aahchi pahili aavrutti manjarichya kanavar aadhipasoon astitvat asalelya, upalabdh mahitinusar tayar karnyat aalee hotee kaaran manjarichi bahutek sharirik aanee dhwanik vaishishtye aanee moolye tyaa velee manavanchya tulanet adhik prasiddha hotee aanee adhik thet abhyas keela jaau shakat hotee. yavyatirikt, sastan pranyanche qaan itake samaan hote qee manvi kanachya sharirshastrasathi julavun ghenyasathi modelshee keval samanya rupantar aavashyak hote. 1997 paryant, aahala manvi pratimanat rupantarit karnyat aale jeey manvi kanachya sanrachanesathi jababdar hote. tyanantarchya varshanmadhye, aahahchya anek pramanikaran chachanya jhalya, jyat albuquerq abhyasancha samavesh hota, joou manvi aaveg dhvanichya samparkacha sarvat motha prarambhik abhyas hota aanee jyamule eka motha paddhatshir databases tayar jhaala jyane manavavar aaveg dhvanichya parinamanche dastaivajikaran kele. vikaskanusar yaa abhyasanchya nikalanni heey dakhavun dile aahe qee, 95 takke surakshatmak shravanshaktisaha chachanyanmadhye aanee serve chachanyansathi 96 takke chachanyanmadhye aah barobar hota. yaulat, dhokyacha andaj lavnyachi lavnyachi paddhat sanrakshit shravan chachanyanmadhye keval 38 takke vela barobar asalyache disun aale.
operation.
aahah model bahya, madhya aanee aateel kanachya eka aayami vidyut dhwanik modelcha vapar karoon tyanchya sankramanache model banavoon aavegpurn dhvaninchya shravanvishayak dhokyacha andaj lavte. heey tarang gatee vishleshan gozelle-crammers-brilloin (doubleu. keey. bii.) tarang gatishastra paddhat lagoo karate. steps footplatechya gaticha andaj lavala jaato aanee doubleu. keey. bii. andaj resheey kokliya network model gruheet dharoon basiller membrain gaticha andaj lavnyasathi vaparla jaato. aahah modelche utpadan shravan jokhim ekak (aii. aar. ess.) aahe, jeey 23 vegvegalya thikani basiller patalavaril varchya visthapanachya yogashi sambandhit aahet. konatyahi laharisathi aru haah 23 thikananpaiki konatyahi thikani kamal aru mhanoon nondavala jaeel. vikasakanchya matey, dainandin vyavsayik samparkasathi shifaras keleli maryada 200 eras aahe, tarr 500 eraspeksha jaast matremule kayamswarupi shravanshakti qamee hoil assa andaj aahe.
aahah modelmadhye siddha algoridamcha eka sanch hota, jyamadhye vividh prakarchya exposure paristhiticha samavesh hota, jyamule kayamswarupi threshold jokhamichya jokhamivar parinam hoto, jase qee shravan sanrakshn upkarnanmule honara aavaj qamee hone aanee pratikriyashil madhya kanachya snayunche (emm. eae. emm.) aakunchan jeey uttejan suru honyapurvi udbhavate, jeey dhwani tayar kartana kanache nuksan qamee karate. mageel urja-aadharit haanee modelschya ulat, aah dhwani laharichya daab-velevaril avalambitvache vishleshan karoon hanichya vyapticha achook andaj lavu shakate. yaa paddhatidvare, qaan nalachya praveshdvaravaril qamee patalichi urja, qaan nalachya praveshdvaravaril urjechya uchch patalipeksha jaast dhokadayak qaa aahe heey model nirdharit karoo shakale. modella aadhalale qee pahilya modelmadhye modelmadhye bhinn daab-veleche avalambitva hote jeey madhalya kanatoon urja adhik karyakshamatene hastantarit karnyas saksham hote. samanya shravanshakti asalelya vyaktinchya loksankhyet emm. emm. see. prachalit nahee, 95 takke aatmavishvas antarasah 95 takke prasar aahe. ganana abhyasat 50 paiki 2 vishayanmadhye emm. emm. see. lavkar sakriy jhaale.
shravan sanrakshn upkarananchya upasthitivar, aavaj anpekshitpane aala qee nahee aanee dhwani kuthe ugam pavala-mug too mukt kshetrat asso, qaan nalachya praveshdvaravar asso kinwa kanpatalachya sthiteet-aah model aateel kanatil visthapanacha andaj lavu shakate kaaran teey manvi kanachya sanrachaneshi susangat hote. mukt kshetrasathi, modelane asey gruheet dharale qee aavaj thet qaan nalichya khalee aala aanee kanpattyavaril daab itihasachi ganana kelee, aatalya kanat input mhanoon stepsmadhye hastantarit keleli urja ghetali. qaan nalachya praveshdvaravar kinwa kanpattyavar nondavalelya laharinsathi, pratimanane paripath aakrutitil aavajacha yogya mool bindu vicharat ghetala. basiller patalanche visthapan heey pattyanchya visthapanavarun mojale jaate aanee nantar aateel kanatil cortychya avyavanvar 23 vegvegalya thikani laharinche ekoon visthapan mojoon aahoo nishchit kele jaate. aaveg dhvanicha prabhav darshavila jaau shakato jyamule nuksan prakriyeche drushya pratinidhitva tayar hote.
albuquerq abhyas.
1990 chya dashakat aayojit aanee yuu. ess. dware prayojit.ess. lashkari vaidyakeey sanshodhan aanee sahitya aadesh, albuquerq abhyas hii manvi swayamsevi abhyasanchi eka malika hotee jyacha uddesh judd shastranni nirman nirman aaveg aavajanchya sweekarya patalivaril samparkat naveen maryada sthapit karane haah hota. nyu meksikochya albuquerq yetheel kirkland havai dalachya talavar heey abhyas jhaale, jithe sahbhagi saat vegvegalya tivratechya patalyanvar aanee vividh uttaradhikar aanee kramanvar chaar vegvegalya daab-velechya daab-velechya pahat hote. yaa abhyasatoon gola kelelya mahiteene aah modelchya kamgiriche moolyankan karnyasathi eka motha databases tayar keela. yaa prayogat shravan sanrakshn paridhan kartana 5,3 aanee 1 meater antaravar sphotak shulkadvare tayar jhalelya mukt-kshetra aaveg laharinchya pradarshanacha samavesh hota. 5 metercha exposure jaminichya varr latkavalelya ughadya charges keela gela aanee vishayanni chargechya dishene davya kanasah aparivartit earmuff ghatala hota. 5 meterchya pradarshanachi punaravrutti sudharit earmuffs kelee gelee jyat kharab fitt earmuffche anukaran karnyasathi earmuff kushandware takalelya lahan nalikanchi malika samavisht hotee. 3 mea. aanee 1 mea. chya exposuremadhye sudharit earmuffcha vapar keela gela aanee shulk anulambapane nirdeshit kelelya nalichya payathyashi sphotale gele. vishayanche daway qaan nalichya othapasoon 1 meater kinwa 3 meater antaravar aanee nalichya varchya kathapasoon 1 inch (2.54 centimeter) kinwa 3 inch (7.62 centimeter) varr thewale hote. chauthya pradarshanachi sthitee hii eka pratidhvanit vatavaran hotee jyat sahbhagi 3 meater lambichya steelchya nalichya shevati basale hote jee concrete bankarmadhye ughadali gelee. 3 meterchya nalichya shevati sphotakancha sphot karnyat aala. nalipasoon sahbhaginchya kanache antar, sabhovatalachya vatavaranache dhvanishastra, shravan sanrakshanachi patali aanee aaveganchi sankhya, sambhavya pradarshanacha eka matricks sthapit karane yasarkhya vividh paristhitincha hishob keela gela. threshold aanee parinami threshold shift mojanyasathi pratyek exposurechya aadhi aanee nantar audiogramcha vapar keela gela. serve sampark paristhitisathi ughadya mapancha vapar karoon daab-velechya daab-velechya mojalya gelya. aahahchya vikaskane kelelya albuquerq abhyasachya vishleshananusar, aahah model modelane 95 takke prakarananmadhye dhwanik dhokyancha yogya andaj vartavala, tarr tarr keval 38 takke prakarananmadhye yogya hota aanee aii-waited urja paddhat keval 25 takke prakarananmadhye yogya hotee. exposure maryadanchi vegvegali nivad kelyas, samatulya aii-waited urja samaan achookata deu shakate. tinhi paddhatinsathi, truti pramukhyane dhokyachya dhokyacha atipurvene andaj andaj paddhatinmadhun udbhavalya aahet.
vaad.
dhwanik dhokyanche moolyankan karnyasathi ahahcha vapar karnyababat vaad aahe. 2003 madhye, aaveg aavajavaril natochya sanshodhan abhyasat asey aadhalun aale qee aahane anek exposure paristhitinsathi asamadhankarak parinam dile aanee nishkarsh ahavalat anek tadnyanchi parasparvirodhi matey hotee. american institute auph biological sciences (aii. aay. bii. ess.) neey 2010 madhye kelelya punaravalokanat asehi nishkarsh kadhale hote qee aah model heey tyachya vishleshanat madhya kanachya snayunchya aakunchanasarkhya ghatakancha samavesh karnyachya drushtine yogya dishene takalele eka paul hote, parantu teey adyap purnapane vikasit aanee pramanit jhalele navhate. aayabschya matey, aah model ekach velee tayar kelya kelya vividh yantrasamagri aanee shastrastranchya satatchya aavajasah jatil lashkari vatavaranachya dhwanik dhokyache pratirupan karnyas saksham aahe qee nahee yabaddal chinta hotee. 2012 madhye, national institute phaur occupational sefty andd health (niosh) neey kelelya punaravalokanat assa yuktivad keela hota qee aahahdvare shifaras kelelya kamal aavajachya patali vadhavanyache samarthan karnyasathi vaparale gelele meem aakunchan heey vishleshanache vaidh swaroop mhanoon lagoo karnyasathi purese lokanmadhye upasthit navhate. ahane duyyam pradarshanache parinam, jase qee shejaril nembaaz aanee rainz suraksha karmchari, purese vicharat ghetale naheet, asehi ahavalat namood kele aahe. 2015 paryant, aah model nato samudayane swikarlele nahee.
niyosh aanee american lashkarachya aeromedical sanshodhan prayogshalanni, savadh kelelya aahah modelcha avibhajya bhag asalelya shastriy paristhitichi tapasani karnyasathi sanshodhanas nidhi deela. savadh kelelya paddhatimadhye, madhya kanache snayu aadhich aakunchan pavale aahet asey manale jaate. ashikshit modmadhye, motha aavaj sumare 134 dii. bii. peak splachya thresholdpeksha jaast jhalyanantar madhalya kanache snayu sankuchit hotat. 2014 teey 2020 darmyan kelelya anek abhyasanmadhye emm. emm. see. chaa prasar aanee vishvasarhata tapasali gelee aahe. 15, 000 hoon adhik vyaktinchya rashtriy pratinidhi sarvekshananusar, 18 teey 30 vayogatatil vyaktinmadhye mojalya gelelya dhwanik prativartanache praman 90 takkyanpeksha qamee hote. samanya shravanshakti asalelya 285 vyaktinche kaljipurvak moolyankan moolyankan pathpuravyachya abhyasane assa nishkarsh kadhala qee "dhwanik prativart vyapak nasatat aanee hanichya jokhamichya nikashanmadhye aanee aavegpurn aavajasathi aarogya mulyankanat samavisht kele jaau nayet."samanya shravanshakti asalelya vyaktinmadhye, savadh kelelya pratisadacha avibhajya bhag asalele aagami aakunchan vishvasarh nasate. yu. ess. aii. aar. ell. live phayar exposure abhyas purn jhalyane asey disun aale qee jiwant darugola vaparoon emm. 4-refilchya chachanyandarmyan 19 paiki 18 vishayanmadhye memak lavkar sakriy jhaale navhate. aahah vikasakanchya gruhitkanusar anubhavi nembaaz trigger pulchya aadhi lavkar aakunchan darshavatil. chetavani dilele gruhitak yogyatesathi apurya pramanat prachalit asalyache darshavile gele, jyat tyanantarchya haanee jokhamichya nikashanmadhil emm. emm. see. chaa samavesh aahe.

