Prof. Tingshao Zhu Profile

Prof. Tingshao Zhu

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Proceedings Article | 13 June 2024 Paper

Anxiety state recognition based on speech emotional features and ECAPA-TDNN

Ying Liu, Xiaoqian Liu, Tingshao Zhu

Proceedings Volume 13180, 1318057 (2024) https://doi.org/10.1117/12.3034286

KEYWORDS: Speech recognition, Emotion, Acoustics, Feature extraction, Machine learning, Feature selection

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Anxiety disorders not only have negative effects on patient health, social and social interactions but also place a significant burden on society. This paper proposes a anxiety state recognition method based on speech emotional features and ECAPA-TDNN (emphasized channel attention, propagation, and aggregation based TDNN), aiming to explore the feasibility of large-scale screening of anxiety states using voice data. 152 participants have been recruited and collected their speech data. Meanwhile, each participant was asked to complete the anxiety scales (GAD-7). Subsequently, 6125 acoustic features were extracted from each participant’s speech and the f-regression (a method for Linear Regression with One Variable) was used to screen the features for each group. Then the embedded features are extracted through ECAPA-TDNN, concatenated with the acoustic features above to form a new emotional representation. Moreover, various machine learning algorithms including Random forests, ExtraTrees regression, linear regression and Multi-Layer Perceptron (MLP) regression were used to develop anxiety recognition models. The results showed that the best Pearson Correlation Coefficient (PCC) between the predicted score and the GAD-7 score was 0.515. Notably, the reliability of the model surpassed 0.657, further reinforcing its credibility.

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