Dynamic Sound component not playing online in PsychoPy 2026.1.3

[wakecarter]

@Chester

he sound property dropdown is grayed out in Builder despite the variable syntax being correct.

Inspecting the .psyexp file directly confirms updates=“set every repeat” is set correctly, so the gray dropdown appears to be a display bug in 2026.1.3.

This is a feature, not a bug. Sounds are never programmatically constant, so the option to change from “set every repeat” is only available if you have a static component.

Wakefield's Daily Tips

Sound components should start after the routine has started If you are playing sounds online, then I would recommend setting the start time of any sound files in loops at .1 seconds or later. Since 2023.2 sounds often fail to play online after the first iteration of a loop. It seems to be that if the sound isn’t ready when it is supposed to start it “misses the boat”. If your sound component has a start condition then I would recommend adding a time component to it. For example: Begin Routine …