The main contributions of this paper are introduction of the retyping interface approach, and an analysis of how retyping and the described three traditional iterative and non-iterative interfaces compare in terms of transcription quality and speed, in which we analyze how segment difficulty, mechanical effort, and other factors influence quality and speed.
we carry out a user study in which expert and non-expert participants transcribe automatically selected segments based on an ASR transcription, using the  Figure 2: The four interface combinations: Typing fromscratch in an empty box (top), post-editing the ASR output (bottom), and unrolling the ASR output in sync with the audio while coloring low-confidence words in red (right).