This paper describes some enhancements for a speech-enabled Computer Aided Pronunciation Learning (CAPL) system HAFSS. This system was developed for teaching Holy Qur'an recitation rules and Arabic pronunciations to non-native speakers. One important point that is critical in any practical language learning system that exploits ASR technology is the user enrolment time. In this paper we introduce the modifications that were done on the baseline system to reduce the amount of the enrolment time while keeping the system accuracy at the same level. Also we introduce results of some experiments that measure the correlation between the judgments of HAFSS system and the judgments of human experts. Also we measured the usefulness of HAFSS system for beginner users by measuring their proficiencies before and after using the system.
Bibliographic reference. Samir, Abdurrahman / Abdou, Sherif Mahdy / Khalil, Ahmed Husien / Rashwan, Mohsen (2007): "Enhancing usability of CAPL system for qur'an recitation learning", In INTERSPEECH-2007, 214-217.