![Dab tsi yog qhov tseeb pib rau lub suab? Dab tsi yog qhov tseeb pib rau lub suab?](https://i.answers-medical.com/preview/medical-health/14139460-what-is-the-absolute-threshold-for-sound-j.webp)
Video: Dab tsi yog qhov tseeb pib rau lub suab?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Qhov tseeb qhov pib ntawm hnov lus (ATH) yog qhov tsawg kawg nkaus lub suab ntawm lub suab ntshiab uas nruab nrab tib neeg pob ntseg nrog ib txwm hnov lus tuaj yeem hnov tsis muaj lwm lub suab tam sim no. Qhov tseeb qhov pib cuam tshuam rau lub suab uas tuaj yeem hnov los ntawm lub cev.
Tib neeg tseem nug, dab tsi yog qhov piv txwv ntawm qhov pib tsis tiav?
Ntawm no yog piv txwv ntawm kiag qhov pib rau txhua qhov ntawm tsib qhov kev xav: Lub zeem muag - Lub teeb taws tswm ciab 30 mais deb. Hnov - Lub moos zuam 20 feet deb. Hnov - Ib qho poob ntawm cov naj hoom hauv 6 chav tsev.
Tom qab ntawd, lo lus nug yog, qhov pib ntawm lub suab yog dab tsi? Qhov ntsuas pib ntawm kev hnov lus nkhaus qhia tau hais tias suab kev siv yuav tsum tau hnov yog txawv heev rau txawv frequencies. Tus qauv pib ntawm kev hnov lus ntawm 1000 Hz raug xaiv los ua 0 dB, tab sis qhov nkhaus tiag qhia qhov ntsuas pib ntawm 1000 Hz mus txog 4 dB.
Tsis tas li ntawd, dab tsi yog qhov tseeb qhov pib pom?
Qhov Tsis Txaus Siab hauv Lub zeem muag Hauv pom kev , cov kiag qhov pib hais txog qhov tsawg tshaj plaws ntawm lub teeb uas tus neeg koom tuaj yeem ntes tau. Txiav txim siab qhov kiag qhov pib rau kev pom tej zaum yuav koom nrog ntsuas qhov kev ncua deb ntawm qhov uas tus neeg koom nrog tuaj yeem kuaj pom tias muaj cov nplaim taws tswm ciab hauv qhov tsaus ntuj.
Dab tsi yog qhov tseeb thiab qhov sib txawv?
Ib kiag qhov pib yog qhov kev siv qis tshaj plaws ntawm kev txhawb nqa uas ib tus neeg pom tsawg kawg 50% ntawm lub sijhawm. A qhov sib txawv yog qhov tsawg kawg nkaus sib txawv nruab nrab ntawm ob stimuli uas ib tug neeg tuaj yeem pom.
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Qhov pib tsis txaus yog qhov tsawg kawg ntawm kev txhawb siab xav tau rau ib tus neeg kom pom qhov kev txhawb siab 50 feem pua ntawm lub sijhawm. Qhov sib txawv ntawm qhov sib txawv yog qhov sib txawv me tshaj hauv kev txhawb nqa uas tuaj yeem kuaj pom 50 feem pua ntawm lub sijhawm