Media insertion system

摘要

A media insertion method in which programming is received by a programme receiver and is output substantially immediately by the receiver and/or recorded at 5 the receiver for subsequent output. The programming has a break defined therein such that media stored at the receiver is selectively output during normal playback of the brea-k. The programming recorded by the receiver includes a substitutional schedule identifying the media possible to be selected for output within normal playback of the break.