Animal Ears 🐙 Yileyo ndlela izilwane ezizwa ngayo
U-ingwane uzwa kanjani?
Octopus vulgaris
Alunazo nhlobo izindlebe: luzwa ukusunduza okuncane kwamanzi ngezitho zokulinganisa.
Ngamafuphi
U-Ingwane uzwa cishe kusukela ku-1 Hz kuya ku-200 Hz, futhi ubamba kangcono eduze kuka-60 Hz. Nge-Animal Ears ungathatha noma yimuphi umsindo wakho bese uwuzwa ngendlela ayizwa ngayo.
Ingwane ayikwazi ukuzwa njengawe, futhi lokho akulona iphutha: ayinawo umgodi womoya odingekayo ukubamba ingcindezi yomsindo. Enakho yizitho zokulinganisa ezibizwa nge-statocysts — yizona ezitshela ukuthi phezulu kuphi — ezizwa ukunyakaza okuncane kwamanzi ngokwawo, ngaphansi kuka-200 Hz. Ngaphezu komculo, ibamba ukusunduzwa. Lokho ozokuzwa lapha kuwumfanekiso walowo mhlaba ocishe ube yisithulu, hhayi umsindo wangempela.
I-Hertz (Hz)
Yimiphi imisindo ayizwayo
I-hertz ibala ukuthi umsindo udlidliza kangaki ngomzuzwana. Ukudlidliza okuncane = ophansi (ukuduma kwezulu, cishe u-30 Hz). Ukudlidliza okuningi = ophakeme (ukukhala kwe-microwave, cishe u-3 000 Hz). Futhi u-“1 kHz” kuyindlela emfushane yokusho u-1 000 Hz. Wena uzwa, ngokujwayelekile, kusukela ku-20 Hz kuya ku-20 000 Hz.
Umsindo ophansi uyaduma (cabanga ngokuduma kwezulu); umsindo ophakeme uyakhala kancane (cabanga ngomiyane). Lezi zinombolo ezintathu zikhombisa ukuthi lesi silwane sehla kangakanani, sikhuphuka kangakanani, futhi yiliphi izinga elizwa kacace kunazo zonke.
| Umsindo ophansi kakhulu | 1 Hz |
|---|---|
| Umsindo ophakeme kakhulu | 200 Hz |
| Umsindo awuzwa kacace kunayo yonke | 60 Hz |
| Okuzwa wena | 20 Hz – 20 kHz |
Izindlebe zakho vs. ezika-Ingwane
Yebo: ubamba ukuduma okuphansi kangangokuthi wena ungakuzwa esifubeni kuphela, kuze kube cishe 1 Hz. Phansi kwakho kungu-20 Hz. Ngakolunye uhlangothi uphuthelwa imisindo ephakeme oyizwayo wena: ngaphezu kuka-0.2 kHz, kuye akusekho lutho.
I-audiogram
| I-Hertz (Hz) | Umkhawulo wokuzwa |
|---|---|
| 1 Hz | 82 dB |
| 3 Hz | 80 dB |
| 10 Hz | 78 dB |
| 20 Hz | 77 dB |
| 50 Hz | 76 dB |
| 70 Hz | 76 dB |
| 100 Hz | 78 dB |
| 150 Hz | 84 dB |
| 200 Hz | 92 dB |
RANGE-DERIVED: cephalopods cannot hear sound pressure (no gas cavity); they detect low-frequency PARTICLE MOTION (~1–200 Hz) via statocysts. Points in dB re 1 µm/s² acceleration — not comparable to pressure audiograms.
Ingabe u-Ingwane uzwa izinto ongenakuzizwa wena?
U-Ingwane ubamba konke kusukela ku-1 Hz (ophansi kakhulu) kuya ku-200 Hz (ophakeme kakhulu), futhi uzwa kacace kakhulu eduze kuka-60 Hz.
Yebo: ubamba ukuduma okuphansi kangangokuthi wena ungakuzwa esifubeni kuphela, kuze kube cishe 1 Hz. Phansi kwakho kungu-20 Hz. Ngakolunye uhlangothi uphuthelwa imisindo ephakeme oyizwayo wena: ngaphezu kuka-0.2 kHz, kuye akusekho lutho.
Imibuzo evamile
Yimiphi imisindo ezwiwa ngu-Ingwane?
U-Ingwane ubamba konke kusukela ku-1 Hz (ophansi kakhulu) kuya ku-200 Hz (ophakeme kakhulu), futhi uzwa kacace kakhulu eduze kuka-60 Hz.
Ingabe u-Ingwane uzwa izinto ongenakuzizwa wena?
Yebo: ubamba ukuduma okuphansi kangangokuthi wena ungakuzwa esifubeni kuphela, kuze kube cishe 1 Hz. Phansi kwakho kungu-20 Hz. Ngakolunye uhlangothi uphuthelwa imisindo ephakeme oyizwayo wena: ngaphezu kuka-0.2 kHz, kuye akusekho lutho.
I-Animal Ears yenza kanjani ukuthi umsindo uzwakale njengoba u-Ingwane ewuzwa?
Ososayensi balinganisile, izinga ngezinga, ukuthi umsindo kufanele ube mkhulu kangakanani ukuze u-Ingwane aqale ukuwuzwa. Sithatha lolo jikelele siluvise ekurekhodweni kwakho njenge-equalizer enkulu: sikhuphula amazinga isilwane esiwazwa kahle, sehlise noma sisuse lawo angekho nhlobo kuso. Umphumela usondela kulokho esikubamba... kodwa usazongena ngezindlebe zakho.
I-Hertz (Hz)
I-hertz ibala ukuthi umsindo udlidliza kangaki ngomzuzwana. Ukudlidliza okuncane = ophansi (ukuduma kwezulu, cishe u-30 Hz). Ukudlidliza okuningi = ophakeme (ukukhala kwe-microwave, cishe u-3 000 Hz). Futhi u-“1 kHz” kuyindlela emfushane yokusho u-1 000 Hz. Wena uzwa, ngokujwayelekile, kusukela ku-20 Hz kuya ku-20 000 Hz.
I-infrasound
Imisindo ephansi kangangokuthi indlebe yakho ayisayibhali: ngaphansi kuka-20 Hz. Esikhundleni sokuyizwa, ungezwa ukudlidliza esifubeni, njengalapho kudlula iloli elisindayo. Izindlovu namajuba kona ziyayibamba, ngisho namakhilomitha kude.
Zivelaphi lezi zinombolo
- Packard, A., Karlsen, H.E. & Sand, O. (1990). Low frequency hearing in cephalopods. J. Comp. Physiol. A, 166, 501–505. doi:10.1007/BF00192020
- Mooney, T.A. et al. (2010). Sound detection by the longfin squid. J. Exp. Biol., 213, 3748–3759. doi:10.1242/jeb.048348
Ezinye izilwane
Uzekamanzi
Alunazo nhlobo izindlebe: lufunda umoya ngezinwele nezimpondo lundiza.
I-mantis shrimp
Ibhonga phansi olwandle ngokuduma okuphansi; indlela ekuzwa ngayo isengumfihlakalo.
Inyosi
Ayizwa isekude: izwa ukudlidliza komoya ngezimpondo, kusukela kumasentimitha amabili.
I-clownfish
Amaphuphu ayo afuna ukuqhephuka kwehlanga lwezinhlobo zolwandle ukuze athole ikhaya.
Animal Ears
Landa i-Animal Ears
Layisha umsindo wakho bese uwuzwa ngendlela isilwane ebesizowuzwa ngayo.