System for associating an advertisement marker with a media file

摘要: Systems and methods are provided for automatically delivering media files with advertisements over a network. A method system is disclosed adding an advertisement to the beginning or end of file, such as podcast episode, when file requested by consumer. In another aspect, may be searched marker, specific tone data element in that acts submission point automatic insertion into file. Aspects present invention allow after creation potentially without any interaction between creator advertiser. The systems can implemented at central server, source, consumer's player distributed throughout various computing devices.