The DeepSpeak-Agentic Dataset

Sarah Barrington, Maty Bohacek, Hany Farid

#2596 of 3404 · Artificial Intelligence
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Tournament Score
1331±44
10501800
33%
Win Rate
7
Wins
14
Losses
21
Matches
Rating
5.8/ 10
Significance
Rigor
Novelty
Clarity

Abstract

We present DeepSpeak-Agentic, a dataset of videos comprising over 37 hours of semi-structured conversations between a human and an embodied AI agent. We use this dataset to evaluate the automatic forensic identification (audio, video, or text) of AI agents, study the nature of human-agent interactions, and provide a benchmark for future advances in the large-language models and AI-generated voices and faces that power embodied AI agents. We also contribute a scalable data-capture system that creates agents, automatically pairs them with human crowd workers, records audiovisual conversations across specified scenarios, and identifies and separates the human and agent in the combined stream.

AI Impact Assessments

(1 models)

Scientific Impact Assessment: The DeepSpeak-Agentic Dataset

1. Core Contribution

The paper introduces DeepSpeak-Agentic, a dataset of 200 semi-structured video conversations (~37 hours) between humans and embodied AI agents. The key novelty lies in the shift from static deepfake detection datasets (manipulated images/audio) to real-time, interactive, multi-modal synthetic media—where an LLM, synthetic voice, and visual avatar are jointly deployed in live conversation with an unsuspecting human participant. The paper also contributes a scalable data-capture pipeline (agent creation, participant pairing, recording, speaker separation) and provides baseline forensic evaluation across text, audio, and video modalities.

The problem addressed is timely: as commercial platforms (Tavus, HeyGen) enable real-time embodied agents, the forensic and HCI communities lack datasets capturing this interactive setting. Prior deepfake datasets focus on offline manipulation of existing recordings, not live agentic interactions.

2. Methodological Rigor

Dataset construction is well-documented. The use of 143 distinct agent configurations (varying LLMs, voices, visual personas, and scenarios) provides reasonable diversity. The four scenario types (conversational, professional, collaborative planning, creative) offer varied interaction contexts. The IRB-approved mild deception—not telling participants they were interacting with AI—is a sound methodological choice for eliciting naturalistic behavior.

Speaker isolation combines Pyannote diarization with MediaPipe lip-tracking, which is a practical and clever approach for separating interleaved streams. The post-processing pipeline (merging, padding, fade application) shows attention to audio quality.

Limitations in rigor are notable:

  • The moderation pipeline initially rejected 131 of 263 recordings, with 68 reinstated after manual review, indicating a ~52% false positive rate. This high error rate raises questions about consistency and reproducibility.
  • The forensic evaluation (Table 1) uses only off-the-shelf detectors without fine-tuning on the new domain. While this demonstrates a gap, it limits interpretive value—we cannot distinguish whether poor performance stems from domain shift or fundamental detector limitations. No cross-validation or confidence intervals are reported.
  • The human discriminability study is informative but rudimentary: 80.5% of participants detected the AI within 10 seconds, which somewhat undermines the "realism" narrative. The qualitative coding via LLM-assisted codebook (Table 3) lacks inter-rater reliability metrics.
  • The demographic pool, while gender-balanced, is heavily skewed toward White/Caucasian participants (75%), limiting generalizability of interaction patterns and perceptual findings.
  • 3. Potential Impact

    Forensic applications: The finding that current audio and video deepfake detectors perform poorly (best video EER: 33%, best audio EER: 23%) on agentic content is an important signal to the media forensics community. It demonstrates that real-time interactive agents represent a distinct challenge from pre-recorded deepfakes. The text detection result (Desklib EER: 8%) is encouraging and suggests LLM text detection may transfer to conversational settings.

    HCI and AI safety: The conversational dynamics data (turn-taking, latency, word counts, speaking fractions) provide useful baselines for studying human-AI interaction patterns. The 3.79s mean agent latency, compared to ~250ms in natural conversation, highlights a key realism gap.

    Benchmarking: As agent technology improves rapidly, having a temporal benchmark is valuable—though the paper correctly notes this is a snapshot, not a permanent standard.

    Broader influence: The dataset could serve researchers in deepfake detection, conversational AI evaluation, human factors, trust/deception studies, and AI governance. The public release on HuggingFace with code enhances accessibility.

    4. Timeliness & Relevance

    The paper is highly timely. The opening anecdote about Zoom's CEO using an AI clone for earnings calls effectively frames the practical urgency. Commercial embodied agents are proliferating, and there is a clear gap between existing forensic datasets (static manipulations) and the interactive agent paradigm. The paper fills this gap at a moment when regulatory and safety communities are actively grappling with agentic AI governance.

    5. Strengths & Limitations

    Key Strengths:

  • First large-scale dataset of real-time human-embodied-agent video conversations
  • Scalable, automated collection pipeline that could be replicated and extended
  • Multi-modal analysis (text, audio, video) with both human and machine discriminability evaluation
  • Public release of data, metadata, and code
  • Well-designed experimental protocol with IRB approval and ethical considerations
  • Notable Weaknesses:

  • The dataset is relatively small (200 conversations, 37 hours) compared to major deepfake benchmarks
  • Agent technology is limited to two commercial providers, reducing diversity
  • The 80.5% instant detection rate suggests current agents are far from convincing, which may limit the dataset's forensic challenge value in the near term
  • No fine-tuned detection baselines are provided—only off-the-shelf evaluation, making the forensic contribution somewhat shallow
  • English-only, limiting cross-linguistic applicability
  • The paper is primarily descriptive rather than analytically deep; the "insights" section (Section 5) reports statistics but offers limited novel analysis of interaction patterns
  • No comparison with human-human conversation baselines for the reported metrics
  • Missing elements:

  • Statistical tests for claimed differences (e.g., word count disparities, latency differences across platforms)
  • Analysis of how different LLM/voice/avatar combinations affect detection or realism
  • Longitudinal considerations—how quickly will this dataset become obsolete?
  • Summary

    DeepSpeak-Agentic makes a timely and useful contribution by introducing the first substantial dataset of live human-embodied-agent video interactions. Its primary value is as a community resource and benchmark rather than as a source of deep analytical insights. The forensic findings—particularly the failure of existing detectors—serve as a valuable call to action. However, the relatively small scale, limited agent diversity, descriptive analysis, and lack of rigorous statistical evaluation temper the immediate scientific impact. The dataset's longevity will depend on how quickly the field evolves and whether the authors deliver on promised extensions.

    Rating:5.8/ 10
    Significance 6.5Rigor 5Novelty 6.5Clarity 7

    Generated Jun 3, 2026

    Comparison History (21)

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    vs. Tracking the Behavioral Trajectories of Adapting Agents
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