?????????(MEMS)???罫????ж???????????????????????????????????(Always On)??????????????????????????MEMS?????????????????????????????????????????(SNR)????????????????У???????(ST)?????????????????????????????????г??????

?????????????????????????±?????ж????????????????????????????????????????MEMS???????????

?????????????????????????±?????ж????????????????????????????????????????????????????????δ???????MEMS?????????????????????????????????????MEMS?????????????

??MEMS??????????(Sniffing)??????(Normal)???????м??????????????????仯???(Voice Activity Detection, VAD)Ч???????￡??????????????????;?????????????￡???????????????(Acoustical Parameter)??????????????????趨?????????

????????????ù???????????MEMS???磬???????????MEMS?????????????????????????????MEMS?????????????Ч?棬????????????????????????ü???????????????????????????????????????

???????????????????????????????????????λMEMS???磬???????2.65????×3.5????×0.85?????2.2????×4????×0. 85???????ж????±1dB??±2dB;?????65dB??64dB;????????????(AOP)????125dB??120dB??

??????????2014??????????ù????MEMS??????????????????У??????δ???ж??????????????????MEMS???罫ε??糱??