Stimuli used in research on the perception of the speech signal have often been obtained from simple filtering and distortion of the speech waveform, sometimes accompanied by noise. However, for more complex stimulus generation, the parameters of speech can be manipulated, after analysis and before synthesis, using various types of algorithms to…

This graduate level text on second language learning is divided into three sections. The first two sections provide a survey of the historical underpinnings of second language research in contrastive analysis and error analysis. The third section includes discussions of recent developments in the field. The first section contains articles on the…

A discussion of computer-based language instruction examines the quality of materials currently in use and looks at developments in the field. It is found that language courseware is generally weak in the areas of error analysis and feedback, communicative realism, and convenience of lesson authoring. A review of research under way to improve…