Efficiency and usability study of innovative computer-aided transcription strategies for video lecture repositories
Real-life evaluation of automatic transcriptions in a large videolecture repository. Three different evaluation protocols are compared to minimise user supervision time. Discovered dependencies between transcription quality and time expended in supervision. Attained up to 70% of time reduction with supervisions compared with transcribe from scratch. Lecturers valued simplicity over other sophisticated but more-efficient protocols.
usability study video lecture repositories computer-assisted transcription interface design strategies automatic speech recognition