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A person runs on a treadmill and tries to speak. Their voice sounds breathy and keeps breaking for gasps of air.

C2-2-10 Event Transition · source_excitation principle: Vocal Effort -> Loudness (Mechanics)
Seedance 2.0ByteDance · proprietary
Kling 3.0 OmniKuaishou · proprietary
Veo 3.1Google · proprietary
LTX-2.3Lightricks · open
Ovi 1.1character.ai · open
JavisDiT++JavisDiT · open
MagiHumanGAIR-NLP · open
Per-prompt rubric

Basic standards

Visual presence

  • a person
  • a treadmill

Event: a person runs on a treadmill while speaking

Audio presence

  • a person

Sound: a person speaking

Key standards

Visual physical commonsense (V-PC)

  • The person runs on a visible treadmill and attempts to speak during or between running strides.

Audio physical commonsense (A-PC)

  • The speech has a noticeably breathy and strained timbre and is interrupted by audible gasps for air.

Cross-modal physical commonsense (AV-PC)

  • The breathy speech and gasping align in time with the visible running motion.