A system and method for improving the intelligibility of a moderator during a multi-party communication session includes receiving a plurality of participant voice streams from a plurality of respective conference participants. An incoming moderator voice stream may be received from a moderator. The...http://www.google.co.uk/patents/US20040052218?utm_source=gb-gplus-sharePatent US20040052218 - Method and system for improving the intelligibility of a moderator during a multiparty communication session