High-def seems to be the buzz word for VoIP and teleconferencing. First we had VoIP-HD. Now we have high-def conferencing. Better sound translates to a better experience, at a time when reducing company overhead and travel costs is paramount. Citrix Online is "launching" the HiDef audio conferencing services it acquired when it bought Vapps back in November. The flat-priced, monthly-billed service will support up to 500 participants, with larger companies able to get integrated management functions on a per-minute basis. HiDef's biggest hook is the ability to support wideband codecs for 16kHz sound; a typical standard PSTN phone call has an 8kHz range, so wideband brings in a richer experience. The offering provides a self-service option that includes free recording and integration with Microsoft Outlook and Skype, as well as Citrix's GoToMeeting service. Conferences can either be started by [+]