A person rides a bicycle from left to right across the frame, ringing the bell continuously. The bell sound moves smoothly from left to right with the rider.
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 bicycle
- a bell
Event: a person rides a bicycle and rings a bell
Audio presence
- a bicycle bell
Sound: bicycle bell ringing
Key standards
Visual physical commonsense (V-PC)
- A visible bicycle with a rider traverses the frame from left to right in continuous riding motion.
Audio physical commonsense (A-PC)
- The bell sound carries the bright metallic ring timbre of a real bicycle bell.
Cross-modal physical commonsense (AV-PC)
- The bicycle audio pans smoothly from left to right in the audio field, tracking the visible motion of the bicycle across the frame.