An audio-on-demand communication system provides real-time playback of audio data transferred via telephone lines or other communication links. One or more audio servers include memory banks which store compressed audio data. At the request of a user at a subscriber PC, an audio server transmits the...http://www.google.com/patents/US20060271989?utm_source=gb-gplus-sharePatent US20060271989 - AUDIO-ON-DEMAND COMMUNICATION SYSTEM
