音视频采集系统的电路设计  

Circuit Design of the Audio and Video Acquisition System

作　　者：邓旭同 陈建春[1] 

机构地区：[1]西安电子科技大学电子工程学院,陕西西安710071

出　　处：《电子科技》2016年第8期39-42,共4页Electronic Science and Technology

摘　　要：随着对视频图像清晰度要求的不断提高,文中设计了音视频采集系统电路,该电路可实现音频和视频信号的采集,以及硬件底层可变参数的采集音视频功能。同时通过外围接口功能,可实现与计算机和互联网的通信。实验结果表明,所设计的应用电路,其稳定性满足项目要求,且具有较好的工程实用价值。A design of the audio and video acquisition system circuit is proposed to meet the increasing demand for video image sharpness. The circuit is capable of audio and video signal acquisition with underlying hardware of variable parameters. The peripheral interface enables communication between the computer and the Internet. The experimental results show that the designed circuit offers good stability and is of value in practical engineering.

关 键 词：音视频采集 V4L2 ALSA 电路设计 

分 类 号：TN946[电子电信—信号与信息处理]