Puas yog koj tus dev pib qws ntawm lub qhov rooj ua ntej tus neeg pizza hu lub tswb? Tej zaum lawv mus bonkers txoj cai ua ntej thawj thunderclap ntawm cua daj cua dub. Thiab raws li ib tug tswv tsev paub, nws tsis muaj teeb meem li cas ntsiag to koj qhib ib lub hnab ntawm chips-koj tus dev yuav nyob ntawm koj ko taw ua ntej koj noj ib zaug.
Ntawm qhov nruab nrab,dev tuaj yeem hnov suab ntawm 80 ko taw mus txog ib mais deb thiab tseem nyob rau hauv cov xwm txheej zoo. Lawv qhov kev hnov lus tawm ntawm tib neeg los ntawm tsawg kawg yog plaub mus rau tsib zaug. Ntau zaus, dev tuaj yeem hnov suab ntau zaus, nyob ntawm cov ntsiab lus.
Txawm li cas los xij, tus dev qhov kev hnov lus nyuaj dua li tsuas yog hnov suab nyob deb.
Cia li nyeem ntawv kom paub meej txog koj tus dev qhov hnov zoo kawg nkaus!
Lub cev ntawm tus dev pob ntseg
Cov pob ntseg ntxim hlub no tej zaum yuav zoo li hma-li-squeezable, tab sis lawv muaj tag nrho cov kev xav ntawm lub cev tom qab lawv ua rau koj tus dev pob ntseg tshwj xeeb.
Canine pob ntseg muaj plaub yam hauv paus:
- Pinna: Qhov no yog sab nrauv, txav ntawm pob ntseg. Nws yog qhov koj xav txog thaum koj xav tias "dub pob ntseg".
- External Auditory Meatus: Qhov no yog txoj kev uas coj mus rau hauv pob ntseg.
- Middle Ear: Lub chamber no muaj peb cov pob txha me me hu ua ossicles, uas yog lub luag haujlwm ua lub suab vibrations rau pob ntseg sab hauv.
- Internal (Inner) Pob ntseg: Qhov no yog qhov uas lub suab vibrations hloov mus rau hauv paj hlwb impulses thiab xa mus rau lub hlwb.
Tsis zoo li tib neeg pob ntseg, dev pob ntseg muaj ntau dua 18 cov leeg uas ua rau lawv txav tau zoo dua thiab tso cai rau lawv tig, qaij, flatten thiab prick. Qhov no tso cai rau tus dev lub pob ntseg los ntes cov suab nthwv dej ntawm txhua qhov kev taw qhia-txawm tias cov uas tau dhia tawm ntawm cov khoom nyob ze.
Lawv lub pob ntseg tag nrho kuj muaj cov hlab ntsha thiab cov hlab ntsha, uas ntxiv dag zog rau lawv lub peev xwm hnov lus.
Rau dev, Hnov Equals Ciaj sia
Dab nqis los ntawm hma, thiab lawv tau khaws ntau yam ntawm lawv cov poj koob yawm txwv, nrog rau kev hnov lus zoo los ntawm lawv cov cuab yeej cuab tam predatory.
Nyob rau hauv cov qus, nyob ciaj sia txhais tau hais tias muaj peev xwm mus ntes tus faintest squeak ntawm prey thiab predators ib yam nkaus, yog li muaj lub siab hnov qab yog qhov tseem ceeb ntawm kev ciaj sia.
Cov dev hauv tsev yuav tsis tas yuav cia siab rau lawv qhov kev hnov lus tshwj xeeb, tab sis nws tseem yog ib feem tseem ceeb ntawm lawv lub neej. Lawv siv nws los ceeb toom lawv cov pob (aka lawv tsev neeg) kom txaus ntshai, txuas nrog lawv tib neeg, thiab ua kom lub ntiaj teb nyob ib puag ncig lawv.
Dab tsi Frequencies Dogs hnov?
Puas tau xav tias cov dev xuav ua haujlwm li cas? Cov dev tuaj yeem hnov lawv, tab sis tib neeg feem ntau ua tsis tau.
Yuav kom nkag siab tias yog vim li cas, peb yuav tsum tham txog lub tswvyim ntawm zaus. Txhua lub suab muaj nws tus kheej zaus, lossis suab, uas ntsuas hauv Hertz (Hz). Qhov siab dua tus lej Hz, lub suab ntau dua. Piv txwv li, lub suab nrov zoo li xuav muaj ntau zaus dua lub suab qis zoo li lub suab nrov nrov.
Tib neeg tuaj yeem hnov suab hauv thaj tsam ntawm 20Hz txog 20,000Hz. Tab sis dev? Lawv qhov ntau yog dav dua. Qhov nruab nrab, lawv tuaj yeem hnov ntau zaus li 45, 000Hz-ntau tshaj ob zaug ntawm tib neeg!
Nov yog vim li cas tus aub thiaj hnov cov suab nrov ntawm lub xuav uas siab dhau rau tib neeg pom.
Ua ke nrog qhov deb npaum li cas dev tuaj yeem hnov, thiab koj tau txais koj tus kheej ib tus khub canine nrog ntau npaum li cas rau lub rooj sib hais super!
Aub's Sense of Sound vs Other Tsiaj
Txawm tias peb tsis sib haum rau tus dev qhov hnov, nws tsis yog qhov mob hnyav tshaj plaws hauv lub nceeg vaj tsiaj. Hais txog qhov zaus, qee yam tsiaj tuaj yeem hnov ntau dua li dev-thiab tus yeej yuav ua rau koj xav tsis thoob:
| Nyob | Average Frequency (Hz) |
| Goldfish | 3,000Hz |
| Dog | 45,000Hz |
| Cas | 64,000Hz |
| Bats | 110,000Hz |
| Beluga Whales | 123,000Hz |
| Nkauj Noog Hawj | 123,000Hz |
Yog lawm: tus npauj npaim loj dua tam sim no muaj qhov hnov mob tshaj plaws ntawm txhua tus tsiaj! Thaum cov dev tsis tuaj yeem nqa lub kaus mom, qee tus dev dev tuaj yeem hnov zoo dua lwm tus.
Tus dev twg tuaj yeem hnov qhov zoo tshaj?
Cov duab thiab qhov loj ntawm tus dev pob ntseg tuaj yeem cuam tshuam rau lawv lub peev xwm hnov lus.
Piv txwv li, yug me nyuam nrog pob ntseg ntev, zoo li Cocker Spaniels thiab Basset Hounds yuav nyuaj rau hnov ntau vim tias lawv lub pob ntseg tuaj yeem thaiv lub suab nthwv dej. Cov tsiaj me me, pob ntseg sib npaug, zoo li Chihuahuas thiab Yorkies, ntawm qhov tod tes, zoo li hnov lus zoo dua vim lawv lub pob ntseg raug nthuav tawm ntau dua.
Ntxiv mus, muaj cov lus qhia tias qee cov tsiaj xws li German Shepherds, Greyhounds, thiab Beagles txhua tus muaj kev hnov lus tshwj xeeb, ua tsaug rau lawv caj ces yog cov neeg yos hav zoov thiab taug qab.
Dab Puas Hnov Los Ntawm Phab Ntsa?
Nyob ntawm phab ntsa cov qauv, lawv feem ntau tuaj yeem ua tau! Denser cov ntaub ntawv (piv txwv li, qhob lossis lub suab qis dua tuaj yeem nkag mus rau qhov chaw, tab sis yog tias muaj cov dev qhib dab tsi tshwm sim rau lwm sab.
Dab Puas Muaj ESP?
Nws yeej zoo li lawv ua; dev tau paub tias muaj av qeeg thiab lwm yam kev puas tsuaj ua ntej lawv tshwm sim. Lawv kuj tuaj yeem nkag siab thaum lawv cov tswv tsis txaus siab thiab tuaj yeem muab kev nplij siab rau lawv los yog ob.
Tam sim no, tsis muaj pov thawj scientific los thim qhov no, tab sis qhov kev piav qhia yuav yooj yim dua li peb xav.
Piv txwv li, av qeeg yog ua ntej los ntawm kev hloov hauv ib puag ncig uas dev xav paub los ntawm kev sib xyaw ua ke ntawm lawv qhov hnov tsw, hnov, thiab pom. Raws li kev hnov mob, dev muaj kev nkag siab zoo heev thiab ua haujlwm nrog lawv tus tswv, yog li nws tsis nyuaj rau xav txog tias lawv tuaj yeem khaws cov cwj pwm coj txawv txawv.
Conclusion
Txhua yam, cov dev muaj qhov hnov lus zoo tshaj plaws uas dhau ntawm peb tus kheej. Txawm hais tias nws siv lawv lub pob ntseg los khaws cov kev hloov pauv hloov pauv ib puag ncig lossis tuaj yeem ntes lub suab nrov nrov uas tsis hnov tsw rau tib neeg, dev yog cov tsiaj zoo kawg nkaus thaum nws los txog rau lawv lub rooj sib hais.
Yog li ntawd, lwm zaus koj tus menyuam yaus mloog nws lub pob ntseg thiab saib ib puag ncig, ua tib zoo saib seb lawv qhov kev hnov lus zoo li cas tiag tiag!
