There are currently 5 available VoxPop voices
Installing and Setting Up the Voices
VoxATC V7 must be installed, the VoxPop voices will not work with earlier versions.
First download and install VoxPopbase.
Then download and install the first two VoxPop voices.
For systems with less than 4 GB of ram and that do not have a multi core CPU running at 3 GHz or greater, set the voice configuration as shown below.
More powerful systems will be able to manage all the voices, download and install from the links below.
A recommended voice configuration using these voices is shown below.
Also use VoxATC voice configuration to set the volume and speed of each of the selected voices.