Purpose As oral communication in higher education is vital, good classroom acoustics is needed to pass the verbal message to university students. Non-auditory factors such as academic language, a non-native educational context and a diversity of acoustic settings in different types of classrooms affect …

This paper introduces our special issue about ideologies in sign language vitality and revitalization and discusses ideologies related to the vitality of sign languages. Rather than taking for granted the notions of vitality and endangerment or developing criteria for measuring sign language vitality, …