Speech Recognition Adacel is a world leader in the development of accurate, noise tolerant speech recognition applications. Adacel's proprietary intelligent post processing, grammar development toolkits and automated speech engine optimization, has earned Adacel an enviable reputation for delivering speech recognition systems for the most demanding applications such as the F35 Joint Strike Fighter. In applications such as simulation or training environ-ments, voice systems face less than ideal conditions. Humans tend to deviate in different ways from basic language, injecting their own personal and regional speech patterns. Exclamations and expletives often pepper normal speech. Disfluencies (e.g., "uh" and "um") find their way into longer utterances, especially when the speaker is performing other tasks while conversing. Other complications include environments, in which normal speech is affected by emotion, stress, and other physiological effects. All these deviations from normal, doctrinal speech serve to complicate the process of automatic speech recognition (ASR).