Abstract
This paper describes the effectiveness of CALL (Computer-Assisted Language Learning) systems with regard to speech learning methods in second language acquisition. The discussion includes a report on the construction of CALL classrooms which are available for multimedia devices, such as CCD cameras, audiovisual equipment, speech analysis programs and so forth. We introduce our original multimedia CALL teaching materials, which are particularly useful for aural training. We also introduce our automatic speech evaluation CALL systems for second language acquisition. Finally, we describe an analysis of the actual usage of our CALL system in second language classrooms.
