Method and apparatus for reproducing content through integrated channel management

A method of reproducing at least one piece of content received via at least one interface among a plurality of interfaces, the method comprising:

• identifying, by a multimedia reproducing device, a plurality of pieces of content received via at least one external input interface according to at least one external input interface, wherein the plurality of pieces of content comprise a plurality of content groups having a hierarchical structure, based on a hierarchical structure of a plurality of attributes;
• allocating, by the multimedia reproducing device, the plurality of pieces of content identified according to at least one external input interface to at least one virtual channel selected from among unoccupied channels;
• generating, by the multimedia reproducing device, a channel selection programming guide displaying set channels which include the at least one virtual channel and occupied basic channel;
• and
• reproducing, by the multimedia reproducing device, the channel selection programming guide.