Background

The original idea for the “translation game” architecture used in the CALL-SLT system came from work carried out by Wang and Seneff at MIT, starting in 2006.

The CALL-SLT architecture is built on top of the Open Source Regulus platform, which has been under development at Geneva and elsewhere since 2001. Regulus has also been used to build several other large applications, including Geneva University's MedSLT medical speech translator and NASA's Clarissa procedure browser, which in 2005 became the first speech-enabled system to be used in space.