![Lub tsev mloog lus yog dab tsi? Lub tsev mloog lus yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14182418-what-is-the-unit-of-hearing-j.webp)
Video: Lub tsev mloog lus yog dab tsi?
![Video: Lub tsev mloog lus yog dab tsi? Video: Lub tsev mloog lus yog dab tsi?](https://i.ytimg.com/vi/Ja9GpztgK0c/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Kev hnov lus TSIS YOG ntsuas hauv feem pua. Es tsis txhob, nws yog ntsuas nyob rau hauv ib tug arbitrary chav tsev ntawm lub suab nrov hu ua DECIBEL. Lub decibel (dB, lossis dB HL) yog cov lej logrithmic. Lub cev, txhua 6 dB nce sawv cev rau ob npaug ntawm lub suab siab.
Yooj yim li ntawd, dab tsi yog qhov ntau ntawm kev hnov lus?
Tib neeg ntau yam feem ntau yog muab rau 20 txog 20, 000 Hz, txawm hais tias muaj kev hloov pauv ntau ntawm cov tib neeg, tshwj xeeb tshaj yog nyob hauv qhov ntau zaus, thiab maj mam poob ntawm kev nkag siab rau ntau zaus nrog lub hnub nyoog raug txiav txim siab li qub . rhiab heev kuj txawv nrog zaus, raws li qhia los ntawm vaj huam sib luag-loudness contours.
Qhov thib ob, puas yog 15000 Hz hnov lus zoo? Suab Koj Tau Hnov 8,000 Hz yuav tsum tau hnov yooj yim los ntawm txhua tus nrog ib txwm muaj hnov lus . 12, 000 Hz nyuaj rau txhua tus neeg hnub nyoog tshaj 50 xyoo kom hnov. 15, 000 Hz nyuaj rau leej twg muaj hnub nyoog 40 xyoo los hnov.
Tom qab ntawd, lo lus nug yog, ntsuas kev hnov lus li cas?
Ntsuas Lub Hnov Hnov yog ntsuas los ntawm tus kws tshaj lij nrog lub ntsuas hluav taws xob uas xa suab nrov rau txhua lub pob ntseg los ntawm pob ntseg. Koj qhov chaw nyob ( ntsuas hauv decibels) tau sau tseg rau ntawm daim duab hu ua audiogram, rau lub suab ntawm qhov sib txawv lossis ntau zaus ( ntsuas hauv "Hertz," uas yog lub sijhawm tshwj xeeb rau kev mus/thib ob).
Qhov ntsuas ntsuas rau lub suab yog dab tsi?
decibels (dB
Pom zoo:
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Cov txaj zov hauv tsev feem ntau muaj nyob hauv tus qauv (80 ') thiab ntev ntev (84') qhov ntau thiab tsawg. Cov Tsev Kho Mob Hauv Tsev, feem ntau muaj qhov ntsuas sab nrauv ntawm 84 'x 36' thiab xav tau lub txaj txaj ntsuas 80 'x 36'. Cov ntawv txuas ntxiv muaj ntxiv kom ntev txog plaub ntiv tes
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Tus qauv thiab feem ntau hom kev kuaj hnov lus yog cov suab ntshiab audiometry, uas ntsuas cov huab cua thiab cov pob txha conduction pib rau txhua pob ntseg hauv ib txheej ntawm 8 tus qauv zaus ntawm 250Hz txog 8000Hz
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