Txoj Cai Ua Haujlwm Ntawm Lub Tshuab Suab Dawb

Qhov ntau ntawm cov suab nrov nrov rau tib neeg feem ntau nthuav tawm ntawm 20 Hz txog 20 kHz; nyob rau hauv qhov no, lub suab nrov dawb muaj qhov tseem ceeb sib npaug zog thoob plaws txhua zaus.

 

Suab nrov, ib yam nkaus, tuaj nyob rau hauv txawv "xim." Cov kws tshawb fawb tau kho cov suab nrov dawb los tsim cov "xim suab nrov," uas tam sim no muaj rau ntau yam tseem ceeb -xws li suab nrov grey, suab nrov liab, thiab lub suab nrov violet. Mirroring lub naming convention rau dawb suab nrov, cov spectral tis ntawm cov xim lwm yam xim bears ib tug zoo li lub spectral faib ntawm lawv cov xim sib xws nyob rau hauv lub pom lub teeb spectrum.

 

Cov suab nrov dawb ua ib txoj hauv kev los npog lub suab tsis xav tau thiab cov suab sab nraud; qhov nruam acoustic ib puag ncig nws tsim tuaj yeem pab txo qis kev cuam tshuam. Raws li nws cov khoom tshwj xeeb acoustic, suab nrov dawb kuj tseem tuaj yeem pab tswj lub xeev ntawm kev pw tsaug zog. Hauv chaw ua hauj lwm lossis kev kawm, qhov sib npaug ntawm qhov chaw acoustic txhawb nqa los ntawm lub suab nrov dawb- ua haujlwm ntawm lub hauv paus ntsiab lus ntawm kev rov ua dua, monotonous stimulation- tuaj yeem cuam tshuam rau ib tus neeg lub peev xwm kom mloog tau. Lub hauv paus txheej txheem los ntawm cov suab nrov dawb muab kev sib txuas lus sib txuas lus sib txuas nrog cov txheej txheem xws li "suav yaj."