Cepstral is a provider of speech synthesis technology and services. It was founded by leading scientists from Carnegie Mellon University

Carnegie Mellon University

Carnegie Mellon University is a private research university in Pittsburgh, Pennsylvania, United States....

 including computer scientists Kevin Lenzo

Kevin Lenzo

Kevin Lenzo is an American computer scientist. He wrote the initial infobot, founded The Perl Foundation and the Yet Another Perl Conferences , released CMU Sphinx into Open source, founded Cepstral LLC, and has been a major contributor to the Festival Speech Synthesis System, FestVox, and Flite...

 and Alan W. Black

Alan W. Black

Alan W Black is a Scottish computer scientist, known for his research on speech synthesis. He is an associate professor in the Language Technology Institute at Carnegie Mellon University in Pittsburgh, Pennsylvania....

, in June 2000. It is a privately held corporation with headquarters in Pittsburgh, Pennsylvania. The Company provides rapid delivery of state-of-the-art speech synthesis applications on a broad range of platforms, from the smallest hand-held devices to the largest centralized servers.

The company primarily produces synthetic voices to be used in telephony systems, mobile applications, desktop applications, and with other TTS software such as open-source Festival

Festival Speech Synthesis System

Festival is a general multi-lingual speech synthesis system originally developed by Alan W. Black at at the University of Edinburgh. Substantial contributions have also been provided by Carnegie Mellon University and other sites...

.
Cepstral's technology was in the South Park

South Park

South Park is an American animated television series created by Trey Parker and Matt Stone for the Comedy Central television network. Intended for mature audiences, the show has become famous for its crude language, surreal, satirical, and dark humor that lampoons a wide range of topics...

 episode Crème Fraiche

Crème Fraiche (South Park)

"Crème Fraiche" is the 14th episode and season finale of the 14th season of American animated series South Park. It is the 209th episode overall. It first aired on Comedy Central in the United States on November 17, 2010. In the episode, Stan's life is reduced to shambles both at home and in school...

as the voice of a piece of voice-assisted exercise equipment.