_:n5d75653ae5f34662a8ef5231976c3bbdxb2
<http://schema.org/ratingValue>
"4.74E0"^^<http://www.w3.org/2001/XMLSchema#double>
<https://codeproject.freetls.fastly.net/Articles/32021/DirectShow-VB-NET-Example?msg=2872006#xx2872006xx>