Open access
Sep 2026
A Reproducible Evaluation of Hybrid Spectral–Temporal Features for Four-Class Respiratory Sound Event Classification
These findings apply to direct early concatenation with the shared 1D-CNN backbone and do not imply that feature fusion is generally ineffective, and do not imply that feature fusion is generally ineffective.
N. Smailov, M. Zhekambayeva, D. Bauyrzhankyzy et al.
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