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A coffee machine runs steadily on a counter to the listener's right. The mechanical hum and steam noise stay firmly on the right.

C1-2-02 Steady State · source_anchoring principle: Static Source Lateralization (Wave)
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 coffee machine
  • a counter

Event: a coffee machine runs on a counter

Audio presence

  • a coffee machine

Sound: coffee machine hum and steam

Key standards

Visual physical commonsense (V-PC)

  • A visible coffee machine is positioned on the right side of the frame throughout the clip.

Audio physical commonsense (A-PC)

  • The audible sound carries the steady mechanical hum and hissing steam of a real coffee machine.

Cross-modal physical commonsense (AV-PC)

  • The coffee-machine hum and steam are dominantly localized to the right side of the audio field, matching the visible right-side position of the machine.
  • The clip's audio is produced by a single visible coffee-machine source.