Compression will limit the bandwidth of a given frame but you can work around it. Some forms of DRM are already essentially this, compression - and even crapp

Compression will limit the bandwidth of a given frame but you can work around it. Some forms of DRM are already essentially this, compression - and even crappy camera recording from a theater - resistant DRM that is essentially stegonagraphy (you can't visually tell its there) exist. EDIT: "compression resistant watermark" is a good search phrase if anyone is curious