Prompts versus Rules: Auditing and Controlling Speech Naturalness Behaviors in Voice User Simulators

arXiv:2610.11015 · cs.CL · Submitted 2026-10-07 · Read on arXiv

cs.CL

Submitted: 2026-10-07

Updated: 2026-10-07

Terminology

• Benchmark — 8× in this paper · explained in 2 episodes
• Benchmarking — 4× in this paper · explained in 3 episodes
• Foundation Model — 3× in this paper · explained in 3 episodes
• AI Agents — 2× in this paper · explained in 2 episodes
• Actor — 2× in this paper · explained in 3 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• Fidelity — 2× in this paper · explained in 2 episodes
• Foundation Models — 2× in this paper · explained in 7 episodes
• Ablation — 1× in this paper · explained in 1 episode
• Agentic System — 1× in this paper · explained in 2 episodes
• Clustering — 1× in this paper · explained in 2 episodes
• Fine-Tuning — 1× in this paper · explained in 5 episodes
• Instruction Tuning — 1× in this paper · explained in 2 episodes
• Large Language Model (LLM) — 1× in this paper · explained in 3 episodes
• Pragmatics — 1× in this paper · explained in 2 episodes
• Reinforcement Learning — 1× in this paper · explained in 4 episodes
• alpha — 1× in this paper · explained in 1 episode

Sources

• EVA-Bench: A New End-to-end Framework for Evaluating Voice Agents
• Moshi: a speech-text foundation model for real-time dialogue
• Step-Audio: Unified Understanding and Generation in Intelligent Speech Interaction
• AI Agents That Matter
• SpokenUS: A Spoken User Simulator for Task-Oriented Dialogue
• Full-Duplex-Bench-v3: Benchmarking Tool Use for Full-Duplex Voice Agents Under Real-World Disfluency
• VAmoS Bench: Voice Agent Simulation Bench
• Towards human-like spoken dialogue generation between AI agents from written dialogue
• EchoChain: A Full-Duplex Benchmark for State-Update Reasoning Under Interruptions
• Evaluation and Benchmarking of LLM Agents: A Survey
• Generative Spoken Dialogue Language Modeling
• $\tau$-Voice: Benchmarking Full-Duplex Voice Agents on Real-World Domains
• PersonaPlex: Voice and Role Control for Full Duplex Conversational Speech Models
• IHBench: Evaluating Post-Interruption Recovery in Voice Agents with Structured Workflows
• TriageSim: A Conversational Emergency Triage Simulation Framework from Structured Electronic Health Records
• Benchmarking Complex Instruction-Following with Multiple Constraints Composition
• Following Length Constraints in Instructions
• F-Actor: Controllable Conversational Behaviour in Full-Duplex Models

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