The 2.8.1 version of Dolby Voice is provided as a free download on our software library. The current setup file available for download occupies 9.3 MB on disk. The software is included in Multimedia Tools. This free software was originally produced by Dolby Laboratories. This download was checked by our antivirus and was rated as malware free.
From the developer:
Dolby Voice is a software solution that transforms audio conferencing by recreating the natural sound and feel of an in-person meeting.
You may want to check out more software, such as Dolby Media Producer Suite, Dolby Advanced Audio V2 User Interface Driver for Windows 7 or Dolby Home Theater, which might be related to Dolby Voice.