the preferred embodiments of the present invention relates to the preparation and delivery of media content from a source to a remote device , and the use of the remote device to re - construct , format , composite , convert and / or otherwise pre - process the content into a suitable form for presentation / playback . in particular it relates to audio and / or visual content that may be delivered in a piecemeal , disjoint , complex and / or highly compressed form to a remote mobile device such as a mobile phone where such a device may not have the capability to adequately present the content in its delivered form without further pre - processing due to insufficient on - board processing power or format incompatibilities . the present invention also allows for media content to be reconstituted for presentation in a variety of ways without the need to re - deliver the entire content each time .