The Audio Management Software Sonority'' is complete different from Olympus famous dictation management software DSS Player. The Sonority software provides the management of audio files, several editing functions and several Web services like RSS Informations and Podcast Channels. Sonority allows to improve the functionality of the DM-550 and DM-450: Automatic updates, upgrades and downloads can be managed. Windows and Macintosh users are welcome as Macintosh is fully supported. A plus version can be purchased online, allowing to individualize the menu of DM-550 and DM-450, Audio CD and MP3 writing. Additionally a Music Editing Plugins can be purchased, enable e.g. more than 20 advanced additional effects and multiple tracks.