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Sensors | Free Full-Text | Emotional Valence from Facial Expression as an Experience Audit Tool: An Empirical Study in the Context of Opera Performance
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Sensors | Free Full-Text | Emotional Valence from Facial Expression as an Experience Audit Tool: An Empirical Study in the Context of Opera Performance
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Sensors | Free Full-Text | Emotional Valence from Facial Expression as an Experience Audit Tool: An Empirical Study in the Context of Opera Performance
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Sensors | Free Full-Text | Emotional Valence from Facial Expression as an Experience Audit Tool: An Empirical Study in the Context of Opera Performance
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Sensors | Free Full-Text | Emotional Valence from Facial Expression as an Experience Audit Tool: An Empirical Study in the Context of Opera Performance
![Sensors | Free Full-Text | Emotional Valence from Facial Expression as an Experience Audit Tool: An Empirical Study in the Context of Opera Performance Sensors | Free Full-Text | Emotional Valence from Facial Expression as an Experience Audit Tool: An Empirical Study in the Context of Opera Performance](https://pub.mdpi-res.com/sensors/sensors-23-02688/article_deploy/html/images/sensors-23-02688-g005.png?1677655045)
Sensors | Free Full-Text | Emotional Valence from Facial Expression as an Experience Audit Tool: An Empirical Study in the Context of Opera Performance
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