16:9 landscape frame.

16:9 landscape

The standard horizontal frame: YouTube, websites, TV.

Prompt instructions

Scene: [your subject] in [your setting]. First frame: 16:9 landscape frame Shot 1 (0:00 to 0:05): one continuous shot

Seedance 2.5 reads labelled blocks with timecodes.

Your subjectYour setting

Set the ratio as a setting of the call as well as in the text. The same prompt in another ratio drifts; give the approved render back as a reference.measured: Director Chair field notes on image prompting

9:16 vertical frame, the subject centred with room above and below for captions.

21:9 ultrawide frame.

The first Director Chair spec, own words Checked 2026-10-13.