SYSTEM FOR DOWNLOADING AND PLAYING AUDIO DATA

摘要

In an audio service system comprising audio data downloading and playing systems consisting of an audio server for generating audio data by encoding audios whose copyright is pr otected by being selected by each user, with the use of first encoding keys (IDl') uniquely generated for players where the audios are to be stored, and the players for downloading the audio data generated for the user-selected audios from the audio server to store the downloaded audio data, the present invention relates to the audio data downloading and playing system for downloading and using the audio data generated by uniquely encoding the user-selected audios according to each individual player, including headers assigned with fixed IDs which are unique ID values and for containing first encoding key information(IDl") generated by encoding the first encoding keys(IDl').