
Paste a lesson to begin.
Aster reads the captions, looks at the frames, and speaks only where the screen carries something the narration leaves out.
Speech and display
1.25x
100%
This browser has no speech synthesis. Descriptions will appear as text only.
Aster is quiet
S skip · R replay · ? all shortcuts
Running on Gemma — no per-request API cost.
Ask about the screen
I pause the lesson, look at the current frame, answer, then resume.