Dab muaj qhov zoo siab kawg nkaus, thiab peb feem ntau koom nrog cov dev nrog lawv cov ntxhiab tsw zoo. Tab sis lawv hnov zoo li cas?
Thaum dev hnov tej suab zoo dua tib neeg, tib neeg yeej hnov lwm lub suab zoo dua dev
Ntawm no, peb sib sib zog nqus mus rau qhov zoo dev hnov piv rau peb, lawv pob ntseg ua haujlwm li cas, thiab vim li cas lawv zoo li hnov tej yam ua ntej lawv tshwm sim.
Dab Qhov Hnov Zoo Li Cas Piv rau Tib Neeg?
Dab yeej hnov lub suab nrov zoo dua thiab suab nrov dua peb, tab sis peb kuj hnov suab nrov tsawg dua li dev.
High Frequency
Frequency feem ntau yog ntsuas hauv Hertz (Hz). Sib sib zog nqus, bassy suab muaj tsawg zaus. Lub suab nrov zoo li noog quaj thiab cov menyuam yaus luag thiab squealing yog lub suab nrov nrov.
Decibels (dB) ntsuas lub suab lub siab, uas yog qhov tseem ceeb ntawm lub ntim ntawm lub suab, kuj hu ua amplitude yoj.
Dog tuaj yeem hnov cov suab nrov nrov uas mus txog 45,000 Hz, thaum peb tuaj yeem hnov txog 20,000 Hz. Yog li ntawd, cov dev tuaj yeem hnov cov suab nrov uas peb tsis hnov tsw. Qhov no yog li cas tus dev xuav ua haujlwm (uas yog li ntawm 23, 000 txog 54, 000 Hz).
Piv txwv li, ib tug dev tuaj yeem khaws lub suab ntawm nas squeaking hauv ib thaj teb thaum koj tsis xav. Qhov no kuj pab piav qhia vim li cas koj thiaj yuav pom koj tus dev ua rau tej yam uas koj tsis pom lossis hnov.
Low Frequency
Txawm li cas los xij, peb hnov suab qis dua li dev. Peb tuaj yeem hnov txog li 20 Hz, thaum cov dev tsuas hnov tsawg li 67 Hz.
Suab 20 Hz thiab qis dua yog cov suab infrasonic, uas dev yeej hnov tsis tau, tab sis lawv tuaj yeem hnov nws. Qhov no tuaj yeem yog yam zoo li lub roob hluav taws tawg lossis lub suab ntawm lub suab bass thaj tsam hauv suab paj nruag.
Dog muaj peev xwm hnov lub suab qis yog hais tias lub ntim yog nrov txaus (siab amplitude yoj).
Sib piv daim duab
Zoo li dev hnov, muaj lwm yam tsiaj uas hnov zoo dua. Daim ntawv qhia kev sib piv no tso txhua yam rau hauv qhov kev xav.
| Nyob | Hz |
| Porpoise | 150,000 |
| Beluga Whale | 123,000 |
| Bat | 110,000 |
| Mouse | 91,000 |
| Cat | 64,000 |
| Dog | 45,000 |
| Lab | 42,000 |
| Caw | 35,000 |
| Noj | 33,500 |
| Zaj | 30,000 |
| Human | 23,000 |
| Elephant | 12,000 |
| Owl | 12,000 |
| Goldfish | 3,000 |
| Nkauj | 2,000 |
| Tuna | 1, 100 |
Dab pob ntseg ua haujlwm li cas?
Ib qho tseem ceeb ntawm tus dev qhov hnov lus pib nrog lub pinna, sab nraud ntawm pob ntseg uas koj pom. Txawm hais tias koj tus dev lub pob ntseg ntev thiab floppy lossis luv thiab perky, tus pinna ua zoo li lub phaj satellite.
Lawv pob ntseg zoo li lub suab nrov, uas kis tau mus rau hauv pob ntseg kwj dej thiab vibrate lub pob ntseg. Los ntawm no, cov pob txha me me hauv pob ntseg sab hauv nthuav dav lub suab.
Dab pob ntseg kuj loj dua peb tus kheej, yog li lawv muaj qhov zoo ntawm kev muaj pinna zoo dua tib neeg.
Dab tuaj yeem txav lawv lub pob ntseg ntawm ib leeg vim lawv muaj ntau tshaj 18 leeg uas tswj lub pob ntseg. Lawv tuaj yeem tig, tsa, qis, thiab qaij lawv lub pob ntseg kom khaws lub suab thiab qhov twg los ntawm, thiab lawv pob ntseg kuj qhia tau tias lawv xav li cas.
Vim li cas dev thiaj hnov zoo li no?
Dab muaj cov cuab yeej cuab tam uas ua rau hnov tsw zoo rau lawv txoj sia. Hma yog cov poj koob yawm txwv ntawm cov dev niaj hnub no, thiab lawv cov tsiaj muaj xws li cov nas me xws li nas thiab nas. Lawv txoj kev ciaj sia nyob ntawm qhov muaj peev xwm hnov squeaks siab kom lawv tuaj yeem nrhiav lawv cov zaub mov tom ntej. Interestingly, yog vim li cas tib neeg tsis yog li ntawd finely tuned rau high- suab nrov yog hais tias peb pob ntseg hloov zuj zus mus rau hnov lub suab ntawm tib neeg lub suab.
Qee tus neeg tau xav tias dev muaj "kev nkag siab thib rau" vim tias lawv zoo li kuaj pom cov xwm txheej zoo li av qeeg ua ntej lawv tshwm sim lossis hnia ib yam hauv koj lub tsev uas tsis pom. Tab sis nws yog aub lub hnov uas ua rau lawv ceeb toom rau txhua lub suab nrov txawv txawv.
Vim peb paub tias cov dev tuaj yeem hnov lub suab uas peb ua tsis tau, lawv tuaj yeem khaws tej yam sab nraud uas peb tsis paub.
Vim hais tias, tsis muaj ib lo lus nug tias dev yuav nkag siab. Lawv qhov kev hnov lus zoo heev thiab zoo li lawv lwm tsib qhov kev xav. Kev sib xyaw ua ke ntawm lawv qhov hnov tsw tsw thiab hnov ntxhiab tuaj yeem pab piav qhia "kev nkag siab thib rau" uas cov dev zoo li muaj.
Hnov Teeb Meem Hauv Dogs
Ib yam li peb, dev tuaj yeem tsim teeb meem hnov lus, tshwj xeeb tshaj yog thaum lawv muaj hnub nyoog. Cov cim qhia tias tus dev muaj teeb meem tsis hnov lus suav nrog tsis teb cov suab lossis lawv lub npe raug hu thiab tsis tas yuav tsaug zog los ntawm lub suab nrov.
Qee yam yug me nyuam yuav tsis hnov lus thiab tej zaum yuav muaj kev xiam oob khab. Lwm cov laj thawj suav nrog:
- Tshuaj mob ntawm pob ntseg nruab nrab lossis sab nraud
- Degenerative paj hlwb teeb meem hauv cov dev laus
- Cov qog nqaij hlav lossis qog uas cuam tshuam rau cov hlab ntsha hauv pob ntseg
- Kev loj hlob tsis zoo ntawm qhov chaw ntawm pob ntseg nrog paj hlwb receptors
- Cov kab mob sib kis thiab kab mob
- Qee yam tshuaj tua kab mob, tshuaj tua kab mob, thiab lwm yam tshuaj
- Hnyav hlau zoo li mercury lossis lead
- Chemotherapy tshuaj
- Txiv neej los yog dev nrog lub tsho dawb
- Mob mob ntawm ib feem ntawm pob ntseg
Kev kho mob yog qhov nyuaj vim qhov kev puas tsuaj tsis tuaj yeem rov qab los rau ntau qhov laj thawj. Qee zaum, kev phais yuav tsim nyog, thiab muaj cov cuab yeej hnov lus rau qee tus dev.
Txawm hais tias koj tus dev hnov lus tsis zoo, koj tuaj yeem siv lub cev thiab qhia koj tus dev txhais tes taw tes ua ib txoj hauv kev sib txuas lus. Qee tus dev kuj tseem tuaj yeem hnov dab xuav, uas yog lwm txoj hauv kev sib txuas lus.
Conclusion
Tib neeg zoo dua ntawm kev hnov suab qis thiab nrhiav suab, thaum dev yog qhov zoo tshaj plaws nrog lub suab nrov. Lawv kuj zoo dua peb ntawm kev hnov suab ntsiag to. Hais tias, dev tsis muaj qhov hnov zoo tshaj plaws hauv lub nceeg vaj tsiaj. Ib tus miv pob ntseg muaj txog 30 cov leeg (piv rau kwv yees li 18 cov leeg hauv dev pob ntseg), thiab lawv tuaj yeem hnov txog 48, 000 txog 85, 000 Hz (piv rau 45, 000 Hz nrog dev). Moths tuaj yeem hnov txog 300, 000 Hz!
Peb cia siab tias qhov no yuav pab piav qhia vim li cas koj tus dev zoo li paub tias yuav tshwm sim ua ntej lawv ua. Cov pob ntseg rhiab tuaj yeem khaws tau txhua yam ntaub ntawv!
Saib ntxiv: Dogs Xav Tib Neeg Puas Yog dev Thiab? Cov Tswv Yim Tom Qab Lawv Kev Sib Raug Zoo Nrog Peb
