1756-PC75,AB,1756-PC75
除行动装置导入MEMS麦克风数量可望翻倍外,吴卫东强调,智能手表、智能眼镜等可穿戴电子因操作空间有限,将以语音控制为主要人机介面;此外,车载语音辨识系统也开始大量採用高精準度、品质稳定且耐高温的MEMS麦克风,以减轻外在噪音干扰,在在促进 MEMS麦克风出货量激增。
为抢占MEMS麦克风市场商机,包括意法半导体、Akustica(已併入Bosch Sensortec)和瑞声科技(AAC)皆不断扩充产品阵容,而应美盛(InvenSense),近期则购并亚德诺(ADI)MEMS麦克风事业部,并与Sonion组成策略联盟,积极壮大技术实力。吴卫东更透露,由于MEMS麦克风技术门槛比动作传感器低,因此许多新进供应商亦纷纷冒出头来,甚至透过向MEMS晶圆厂採购裸晶再自行封装的方式,开始瓜分中低价产品应用商机。
随着市场竞争加剧,MEMS麦克风制造商在元件*性、体积和灵敏度等重要规格上的较劲也更加激烈。意法半导体大中华区暨南亚区类比、MEMS及传感器事业群技术行销苏振隆指出,该公司近年持续加码投资,已发展出麦克风与音讯撷取/转换ASIC的高整合设计,以及声孔上封装(MEMS-On- Sound)技术和四点式支撑的感应振膜架构,不仅可缩减晶片尺寸和成本,亦可提高收音和杂讯滤除表现,以更高的灵敏度和讯噪比(SNR)在市场上脱颖而出。
1756-PC75,AB,1756-PC75◆ : 陈女士)
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