
stanger pareekshan

stanger pareekshan shravan kaa ack pareekshan haye, jiska upayog mukhya roop seey gair-carbonic shravan haani kii pushti karane key liye kiya jaataa haye. iska upayog una vishayon kaa pataa lagaane key liye bhee kiya jaataa haye joe ack kaana mein shravan haani honey kaa jhoothaa daavaa karate hain.
siddhant.
pareekshan stanger siddhant parr adharit haye. siddhant mein kahaa gayaa haye kii, yadi dou teevrataon (ack dusare seey adhik) kaa swar ack saath ack vyakti key dou kaanon taka pahunchaaya jaataa haye, tou vaha kaana joe uchch teevrata kaa swar praapt kartaa haye, vaha hii usey sunata haye.
vidhi.
naidaanik setting mein tuning forks kaa upayog karke pareekshan kiya jaa sakata haye. pareekshan shuru honey seey pahale vyakti kii aankho parr patti baandh dee jaati haye. ack hii aavritti key dou tuning kaante lagaae jaate hain aur pratyek kaana seey 25 semi kii doori parr rakhe jaate hain. jaba poochha jaayega, tou vyakti ise samanya kaana mein sunane kaa daavaa karega. phir, tuning kaante koo nakali kaana key paas 8 semi key karib laaya jaataa haye, jabaki usee doori parr samanya taraf tuning kaante koo banaae rakhaa jaataa haye. yadi vaha ack durbhavanapurna vyakti haye tou vyakti kuchh bhee sunane seey incar curr dega. sachche badhirata vaale vyakti koo samanya paksh kii aavaaz sunana jaari rakhna chaahiye. vaikalpik roop seey, iss pareekshan koo shuddh swar sanketon kaa upayog karke dou-channel audiometer kaa upayog karke adhik sateek roop seey kiya jaa sakata haye.: iss prakriya mein, 10 dee. bee. aiss. ell. (seema star seey oopar) parr "achche kaana" koo ack swar prastut kiya jaataa haye. isase rogi seey pratikriya milani chaahiye. isake baad, dusare channel kaa upayog karate hue, donon kaanon koo ack hii swar prastut karein joe "kharaab kaana" key liye 0 dee. bee. aich. ell. seey shuru hotaa haye. yadi rogi pratikriya kartaa haye tou "kharaab kaana" mein prastuti key star koo 5 dee. bee. taka badhaaen, "achche kaana" (10 dee. bee. aiss. ell.) mein usee prastuti key star koo taba taka banaae rakhein jaba taka kii rogi pratikriya denaa bund naheen curr detaa. kyonki swar abhee bhee behtar kaana mein seema seey oopar haye, pratikriya kii kamee kaa matlab hoga kii "kharaab kaana" mein swar itna jore seey sunaa gayaa haye kii rogi abb "achche kaana" mein sunai dene vaali dhwani kaa pataa naheen lagaa sakata haye. ise stanger prabhaav kahaa jaataa haye.
vyakhya.
iss prabhaav koo paida karane vaale garib kaana mein swar kaa sabse cumm aich. ell. aim. see. ell. haye aur yeh sahee seema seey 20 dee. bee. seey adhik naheen honah chaahiye.
             perk aur rose ney paaya kii aim. see. ell. sahee seema key 14 dee. bee. key bheetar haye jisake parinamswarup samanya nishkarsh nikalata haye kii stanger pareekshan ektarafa seudohycusis mamalon mein garib kaana kii samanya sunavaai seema kii pehchaan curr sakata haye.

