Please expand these areas with any technical problems, but we are looking for the technical standard for footage capture here, for each format.
| How to recognise video image sources, BBC R&D, 2001. |
| Tests of visual acuity to determine the resolution required of a television transmission system, BBC R&D, 2004 |
| 625 online contains screen grabs from several noteable films of which there is only snippets of footage avaiable. |