As to gathering multimedia information ,we discussed the following questions:the structure of VFW , the principle and standards of audio and video encoding , and ageneral process of gathering multimedia information .

• 关于多媒体信息采集,阐述了多媒体信息采集平台VFW的构成,对音视频编解码原理和常见标准进行了概括说明,并给出了音视频采集和处理的具体流程。