This chapter will focus on the TIMIT phone recognition task and cover issues like thetechnology involved, the features used, the TIMIT phone set, and so on. It starts bydescribing the database before looking at the state-of-art regarding the relevant research onthe TIMIT phone recognition task. The chapter ends with a comparative analysis of themilestones in phone recognition using the TIMIT database and some thoughts on possiblefuture developments.