Take the 'children's theater' of children's library in Yangzhou as an example, the author expounds multi functional requirements of watching 3D movies in the auditorium and report meeting, video and audio system design and system debugging process.%以扬州少儿图书馆“少儿影院”为例,阐述针对影视厅观看3D电影和报告式会议的多功能需求,进行视频系统、声频系统的设计方案及系统的调试过程。
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