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- W4312097115 abstract "Speech emotion recognition currently gained more interest from researchers due to its potential applications in the market. Instead of a speech, vocal bursts are understudied and may contain richer affective information than speech for recognizing emotion (e.g., laugh for happiness and cry for sadness). On the other side, acoustic features used for the affective vocalization may also be helpful for the stuttering evaluation task. Instead of handcrafted acoustic features, a pre-trained model feature extractor is now attaining more attention due to its competitiveness in modeling universal speech embedding. However, the previous speech embedding evaluations are not well-suited for emotion recognition. In this study, the researchers evaluated acoustic embedding extracted from a model fine-tuned on an affective speech dataset for affective vocalization and stuttering predictions using different classifiers. The methods were evaluated on a baseline classifier from the previous study and five new different classifiers, including an ensemble classifier. The results show improvements over the baseline methods; the ensemble classifier consistently resulted in the optimal performance on new validation sets with balanced and unnormalized data for both affective vocal bursts and stuttering predictions." @default.
- W4312097115 created "2023-01-04" @default.
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- W4312097115 date "2022-11-07" @default.
- W4312097115 modified "2023-10-17" @default.
- W4312097115 title "On The Optimal Classifier For Affective Vocal Bursts And Stuttering Predictions Based On Pre-Trained Acoustic Embedding" @default.
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- W4312097115 doi "https://doi.org/10.23919/apsipaasc55919.2022.9980310" @default.
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