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emfield is great if you are embedding 3rd party videos such as YouTube, BlipTV, Google etc. into content. The drawback, videos from Jing and the like are not supported. If we are embedding files from video recordings of classes, then we need another module.
Video is a better option because you can upload video files from your local drive. I was able to configure the module to support a range of files, as well as a range of resolutions. The drawback: Video creates a new content type instead of a new CCK field.