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. 2025 Nov 26;15:45383. doi: 10.1038/s41598-025-28766-0

Table 2.

Total audio samples after applying the augmentation techniques (including the original samples).

Datasets Calm Neutral Happy Angry Sad Disgust Fearful Surprised Total
RAVDESS 960 - 960 960 960 960 960 960 6720
TESS - 2000 2000 2000 2000 2000 2000 2000 14,000
SAVEE - 300 300 300 300 300 300 300 2100