<p>Internal clustering metrics on classical acoustic datasets. Higher Silhouette and CH, and lower DBI indicate better clustering quality. This table provides reference clustering performance on clean, label-rich audio datasets; comparisons against learnable baselines for the reef PAM experiments are reported separately in Table 5.</p>

Internal clustering metrics on classical acoustic datasets. Higher Silhouette and CH, and lower DBI indicate better clustering quality. This table provides reference clustering performance on clean, label-rich audio datasets; comparisons against learnable baselines for the reef PAM experiments are reported separately in Table 5.