Lub rhiab heev ntawm lub microphone yog cov lus teb hluav taws xob ntawm nws cov zis mus rau ib qho qauv acoustic input.Tus qauv siv lub teeb liab siv rau kev ntsuas microphone rhiab heev yog 94dB suab siab (SPL) lossis 1 kHz sine yoj ntawm 1 Pa (Pa, ntsuas qhov siab).Rau ib tug ruaj acoustic tswv yim, amicrophonenrog tus nqi rhiab heev muaj qhov tso zis ntau dua li lub microphone nrog tus nqi qis dua.Microphone rhiab heev (qhia hauv dB) feem ntau yog qhov tsis zoo, yog li qhov siab dua qhov siab, qhov me dua nws qhov tseeb.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov cov chav nyob hauv lub microphone rhiab heev specification qhia.Yog hais tias qhov rhiab heev ntawm ob lub microphones tsis tau teev nyob rau hauv tib lub tsev, ib qho kev sib piv ncaj qha ntawm qhov rhiab heev qhov tseem ceeb tsis tsim nyog.Qhov rhiab heev ntawm lub microphone analog feem ntau yog teev nyob rau hauv dBV, tus naj npawb ntawm dB txheeb ze rau 1.0 V rms.Lub rhiab heev ntawm lub microphone yog feem ntau teev nyob rau hauv dBFS, uas yog tus naj npawb ntawm dB txheeb ze rau tag nrho-scale cov zis (FS).Rau cov microphones, tag nrho cov teeb liab yog lub teeb liab siab tshaj plaws uas lub microphone tuaj yeem tso tawm;rau Analog Devices MEMS microphones, qib no yog 120 dBSPL.Saib qhov Maximum Acoustic Input seem kom tiav cov lus piav qhia ntawm qib teeb liab no.
rhiab heev yog hais txog qhov sib piv ntawm lub siab nkag mus rau cov zis hluav taws xob (voltage lossis digital).Rau analog microphones, rhiab heev yog ntsuas hauv mV / Pa, thiab cov txiaj ntsig tuaj yeem hloov mus rau tus nqi dB los ntawm:
Kev nkag siab zoo dua tsis yog ib txwm txhais tau tias kev ua haujlwm zoo ntawm lub microphone.Qhov siab dua ntawm lub microphone, qhov qis dua nws feem ntau muaj nyob nruab nrab ntawm nws cov qib tso zis thiab qib siab tshaj plaws nyob rau hauv cov xwm txheej raug (xws li tham, thiab lwm yam).Hauv cov ntawv nyob ze (kaw tham) cov ntawv thov, cov microphones rhiab heev yuav ua rau muaj kev cuam tshuam ntau dua, uas feem ntau txo qis tag nrho cov dynamic ntau ntawm lub microphone.
Post lub sij hawm: Aug-04-2022
