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Audiovisual (AV) means possessing both a sound and a visual component, such as slide-tape presentations, films, television programs, church services and live theater productions. Business presentations are also often audiovisual. In a typical presentation, the presenter provides the audio by speaking, and supplements it with a series of images projected onto a screen, either from a slide projector, or from a computer connected to a projector using presentation software. Audiovisual service providers frequently offer web streaming, video conferencing and live broadcast services.〔Clegg 2014, Audiovisual Services〕 Computer-based audiovisual equipment is often used in education, with many schools and universities installing projection equipment and using interactive whiteboard technology. Another audiovisual expression is the visual presentation of sound (visual music). ==Residential audio visual== 95% of the time Residential Audio visual is considering in-ceiling speakers, LED dance floors, flat panel TV's, or projectors and projector screens. The percentage of people who are seeking out residential properties that have also installed their Audio Visual with the automation components of RTI. This includes lighting, blinds, cinema rooms etc.〔Quin 2014, Universal Home Theatre〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Audiovisual」の詳細全文を読む スポンサード リンク
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