Sony MagicGate MSGC-US10 - Manual (Page 22)

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About the OpenMG Jukebox software (continued)
Restrictions on sound data
High quality digital sound data is widely available through music
distribution services on the Internet. To protect the copyrights of its
holders from unauthorized distribution, some sound data is distributed
with certain restrictions on recording and playback. For example, the
playback period or playback count for the data may be limited.