2010年,全球生产的红外接收器超过7亿颗。其中,大多数接收器被用于机顶盒、DVD、电视机、游戏机、空调、投影机、数码相机和笔记本电脑中我们熟知的遥控应用,红外技术在一些新兴应用中也正在寻找新的空间。如3D电视的第一代主动快门式眼镜使用红外信号与电视机同步。用红外技术将音频信 In 2010, more than 700 million infrared receivers were produced worldwide. Among them, most of the receivers are used in the well-known remote control applications in set-top boxes, DVDs, TVs, game consoles, air conditioners, projectors, digital cameras and notebook computers. Infrared technology is also looking for new space in some emerging applications. The first generation of active shutter glasses such as 3D TVs use infrared signals to synchronize with the television. Using Infrared Technology to Convert Audio Letters