9 Computer software for recording, transmitting, and reproducing sound and images, for performing language skill assessment and training, including language vocabulary assessment and training, language fluency assessment and training, language conversational assessment and training, speech pathology assessment, diagnosis and therapy, and curriculum development and performance analysis, for generating educational teaching and assessment content including lessons and tests, for distributing educational teaching and assessment content, and for facilitating analysis of the results of student interaction with educational teaching and assessment content