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Tech Papers 2025: This paper reviews existing and new reference-free, instrumental measures for measuring dialog intelligibility and listening effort, particularly focusing on their potential for application in broadcast production, content analysis, and live applications.
Abstract
Speech intelligibility and listening effort are receiving growing interest in broadcast. Since extensive expert assessments and formal listening tests are too costly in practice, instrumental measures to analyze intelligibility are required. Existing measures include energy-based methods (e.g., speech-to-background loudness differences), and auditory model-based methods, which mimic the auditory system and derive their assessment based on a comparison of how well important speech features are preserved in a mix. A third class of measures makes us of advances in automatic speech recognition technologies. These approaches have ...
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