Validación de un Sistema de Diálogo Mediante el uso de diferentes umbrales de poda en el proceso de reconocimiento automático de voz

This paper presents a new technique to validate the performance of dialogue systems focusing on two measures: response time a sentence understanding. Initially, the paper presents a description of the input interface of the dialogue system used in the experiments, including a classification of the recognition tasks considered. Later, it presents the basic features of the proposed technique and describes how the technique has been applied to validate the performance of the dialogue system. Later the paper presents the experimental results which, on the one hand, show that six out of the nine recognition tasks employed by the system can be considered validated, since the imposed restrictions on recognition time and sentence understanding are kept. On the other hand, the results show that for improving the system it is necessary to change the strategies used for the remainder three tasks. Finally, the paper shows some possibilities for future work related to the new strategies employable to enhance the performance of the dialogue system.