This collection examines the promise and limitations for computer-assisted language learning of emerging speech technologies: speech recognition, text-to-speech synthesis, and acoustic visualization.

List of Figures. List of Tables. 1. "The Path of Speech Technologies in CALL: Tracking the Science," V. Melissa Holland and F. Pete Fisher SECTION I. SAMPLING THE RESEARCH BASE: LANGUAGE PEDAGOGY, SPEECH PERCEPTION 2. "Applications of Technology to Language Acquisition Processes: What can Work and Why," Ray Clifford and Neil Granoien 3. "Applications of Formant Detection in Language Learning," Pedro Gomez, Agustín Álvarez, Rafael Martínez, Jesús Bobadilla, Jesús Bernal, Víctor Rodellar, and Victoria Nieto SECTION II. ANALYZING NEEDS: THE CASE OF A PRONUNCIATION TUTOR 4. "Perceptual Underpinnings of Automatic Pronunciation Assessment," Kristin Precoda and Harry Bratt SECTION III. ADAPTING SPEECH TECHNOLOGY: THE EXAMPLES OF VISUALIZATION AND SYNTHESIS 5. "Visualization of Speech Patterns for Language Learning, " Garry Molholt and Fenfang Hwu 6. "Speech Synthesis for Language Tutoring Systems," Rudolfo Delmonte SECTION IV. DEVELOPING PROTOTYPE SYSTEMS: THE EXAMPLES OF PRONUNCIATION TRAINING AND PROFICIENCY TESTING 7. "Design Features of Three Computer-Based Speech Training Systems," Jonathan Dalby and Diane Kewley-Port 8. "Logic, Operation, and Validation of a Fully Automatic Spoken English Test," Jared Bernstein and Jian Cheng SECTION V. EVALUATING SYSTEMS: THE CASE OF A READING TUTOR 9. "4-Month Evaluation of a Learner-controlled Reading Tutor That Listens," Jack Mostow, Gregory Aist, Cathy Huang, Brian Junker, Rebecca Kennedy, Hua Lan, DeWitt Latimer IV, Rollanda O'Connor, Regina Tassone, and Adam Wierman 10. Aist and Mostow, "Faster, Better Task Choice in a Reading Tutor That Listens," Jack Mostow and Gregory Aist. Contributors