Professional and novice audio describers: quality assessments and audio interactions

Le résumé fourni par la source

Empowering novice describers can reduce costs and expand access to high-quality audio descriptions (ADs). This study explored differences between novice and professional practices by analysing their ADs for a 3:42-minute scene from a Japanese fictional film. A film producer rated both the overall quality and volume quality of ADs. The perceived AD volume quality reflects the comprehensive volume experience within ADs beyond loudness. The assessment revealed that ADs created by ten novices using speech synthesis reached approximately 60% of both the overall quality and volume quality of published ADs with human voice. Kernel density estimation showed significantly lower mean loudness in published ADs than in novice ADs. Additionally, a significant negative correlation existed between perceived AD volume quality and mean film loudness during AD presentation across all AD sets. However, published ADs had longer durations compared to novice ADs. Contrasting cueing strategies were observed. Published ADs relied on film sounds, whereas novice ADs leaned on visual cues. Consequently, we developed a professional technique: carefully curating the film information to be heard and balancing AD placement to ensure the audio experience of both ADs and film sound without abrupt AD loudness increases. This sonic approach empowers novices to craft impactful ADs.

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