Editing Constant angular velocity (section)

== Dimensions ==
[[File:Basic Illustration and mesures of a CD.svg|thumb|Dimensions of a standard-size (12&nbsp;cm diameter) [[optical disc]]]]
In case of a 12 cm standard diameter disc, data at the outermost edge (6 cm from center) is accessed at 2.4 times the speed of data at the inner edge of the data-containing program area (2.5 cm from center).<ref name=OD-Diameter>{{Cite web |url=https://docplayer.es/74808946-Fundamentos-de-hardware.html |title=''FUNDAMENTOS DE HARDWARE.'' – Page 37 of 45 (graphic) |access-date=2020-07-13 |archive-date=2022-02-23 |archive-url=https://web.archive.org/web/20220223102343/https://docplayer.es/74808946-fundamentos-de-hardware.html |url-status=dead }}</ref>

For a [[miniCD|miniature disc]] with a diameter of 8 cm (radius of 4 cm), the speed ratio of outer to inner data edge is 1.6<!--‾-->.

This means that, for example, if a disc is accessed at a constant angular velocity of ×24, the equivalent [[linear velocity]] is ×24 while accessed at the outermost edge of the data area while being ×10 at the innermost data area.