“In March 2011, AppleInsider was first to report that Apple would be bundling dozens of high quality new speech synthesis voices supporting a wide variety of languages and regional dialects,” Daniel Eran Dilger reports for AppleInsider.

“Mac OS X Lion shipped later that year with support for downloading the optional voices within the Speech pref pane of System Preferences. In Mountain Lion, OS X retains the default system voice of Alex, first introduced in OS X 10.5 Leopard in late 2007,” Dilger reports. “However, uses can browse higher quality alternatives from the revamped Dictation & Speech pref panel, by selecting ‘Customize’ from the System Voice selection popup.”

Dilger reports, “The system will then download each of the selected voice packs chosen for installation by the user. The optional voices weigh in nearly 1 GB each.”

Read more in the full article here.