摘要
介绍了一种利用P IC单片机中断技术来控制数字视频混合处理芯片,实现将2路或多路数字视频信号混合成1路或多路输出的数字视频混合器的硬件构成和软件设计。通过实际应用表明,该数字视频混合器操作方式简单灵活、可靠性高,有较好的市场价值。
This article introduces the hardware structure and the software design of a digital video mixer, which controls the digital video mix processing chip by the PIC single chip microcomputer intermitting technique, Then the mixer mixes the dual-channel digital video signal into the single channel digital video signal, The practical application indicates that this digital video mixer can be operated easily and flexibly. It is quite reliable and of great market value.
出处
《交通与计算机》
2006年第6期38-40,共3页
Computer and Communications
关键词
PIC单片机
数字视频
视频混合器
键控
PIC single chip microcomputer
digital video signal
video mixer
key control
