Distributional Metrics for Evaluating Spoken Conversational Systems
Evaluating conversational systems is a difficult and unresolved problem. We introduce the Conversational Distribution Score (CDS), which compares distributions of conversational behaviour using human conversations as a reference. CDS describes speech rate, syllabic rhythm, and turn interaction through eight interpretable features plus a separate two-feature semantic baseline. We compare conversations with two reference scales: one based on conversational success within human dialogue and another contrasting human and synthetic dialogue. Using listener judgments from out-of-domain goal--oriented dialogues, we examine system ranking, preferences between conversations, and ranking stability....
| Authors | Shree Harsha Bokkahalli Satish, Erica Cooper, Patrícia Schmidtová et al. |
|---|---|
| Primary category | eess.AS |
| Published | 21 September 2026 |
| Last updated at source | 21 September 2026 |
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