Koj puas hnov 20000 Hz?
Koj puas hnov 20000 Hz?

Video: Koj puas hnov 20000 Hz?

Video: Koj puas hnov 20000 Hz?
Video: zoo xyooj : hnov koj lub moo nkauj 2023 2024, Tej zaum
Anonim

Thaum 20 rau 20,000Hz tsim cov ciam teb ntawm tib neeg lub rooj sib hais, peb lub rooj sib hais yog qhov rhiab tshaj plaws hauv xyoo 2000 - 5000 Hz ntau zaus. Raws li deb li nrov isconcerned, tib neeg ua tau feem ntau hnov pib ntawm 0dB.

Ib yam li ntawd, koj tuaj yeem nug, tib neeg puas tuaj yeem hnov 20000 Hz?

Tib neeg tuaj yeem hnov los ntawm 20- 20,000 Hz , nyob rau hauv tej yam kev mob. Hauv kev ntsiag to heev, qhov no tuaj yeem mus rau qis qis li 12 Hz . Qhov no txwv ntawm 20,000 Hz poob thaum koj muaj hnub nyoog, txawm li cas los xij. Cov neeg laus maj mam poob lub peev xwm hnov ntau zaus.

Qhov thib ob, puas yog 20 Hz audible? Cov Mloog tau Spectrum. Tib neeg tuaj yeem ntes cov suab hauv ntau zaus los ntawm txog 20 Hz rau 20 kHz. (Cov menyuam mos tuaj yeem hnov ntau zaus me ntsis siab dua 20 kHz, tab sis poob qee qhov rhiab heev raws li lawv muaj; Qhov kev txwv siab tshaj plaws hauv cov neeg laus nruab nrab feem ntau ze rau 15-17 kHz.)

Tom qab ntawd, ib tus tuaj yeem nug, cov tsiaj twg tuaj yeem hnov txog 20000 Hz?

Ob peb tsiaj hom yog muaj peev xwm hnov frequencies zoo tshaj tib neeg hnov lus ntau. Somedolphins thiab puav, piv txwv li, hnov frequencies mus txog 100,000 Hz . Tsiaj hnov mloog ntawm 14–16 Hz , hos ib co whales hnov infrasonic suab qis li 7 Hz (hauv dej).

Koj puas hnov 15000 Hz?

Ua ntej, yog tias koj ua tau 't hnov ib 8,000 Hz , koj Cov neeg tsis hnov lus, lossis tsis hnov tsw, vim qhov ntawd yog lub ntsiab lus ntawm lub spectrum uas txhua tus, tsis hais lawv hnub nyoog li cas, muaj peev xwm hnov lus kom meej. Ntawm 15,000 Hz , peb poob qhov tshaj-40s, thiab ntawm 16,000 Hz , leej twg tshaj 30 yuav tawm tsam rau hnov dab tsi.

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