If this template helps then use it. If not then just delete and start from scratch. Mac Tahoe PsychoPy 2026.1.3 Standard Standalone Installation? (y) URL of experiment: localhost Do you want it to also run locally? (y) I have a loop including three routines. In the first three variables are as…

yes I DID add in begin routine, each frame, and end routine, all ‘A’. For debug, I tried in begin routine: 2nd_routine_sound.sound=voice_context 2nd_routine_sound.preload=True Locally the values are correct, as they were designed; but online they shows the first value for every loop, NOT ‘undef…

Are you using code components when you could just be using sound components?

Thank for your reply! I have complicated rules to follow, so these medias cannot be passed through loop itself.

You can still set the sound file via a sound component, without the value coming from a spreadsheet. However, the $ is only relevant if you do this. Please could you show exactly how you are setting the sound?

1st routine clpv_this=clpv[pos] scene_this=scenes[pos] has_visual=True has_voice=True if clpv_this==“0pni”: voice_context=“media/hongsaystoming.mp3” mov_target=“media/”+scene_this+“I.mp4” voice_target=“media/”+scene_this+“PN.mp3” elif clpv_this==“0pnp”: voice_context=“media/hongsaystoming.…

That looks fine. Try some print statements to check the sound variables just before you use them [image] Wakefield's Daily Tips Blog Use Print statements When debugging, print statements can be very helpful to track down errors or unexpected behaviour. I tend…

I added codes to 2nd routine in begin routine tab, and used print(voice_context) and so on, found these variables were correctly passed from cplv[] and scenes[]; at the same place I used print(2nd_routine_sound.sound) got all ‘A’ locally but the sound was played as designed in every loop; while onli…

I also added print(2nd_routine_sound.sound) in each frame and end routine, all ‘A’. it seems the soundPTB object behind sound component does not change throughout the routine. I tried to find some method like refresh() but failed.

[image] Chester: at the same place I used print(2nd_routine_sound.sound) If you have the code component above the sound component and check the value of the variable in Begin Routine then the sound component won’t yet have been set to the value, which is probably why you’re seeing it as the d…

Loop medias do not change

Online experiments

wakecarter June 21, 2026, 1:37pm 7

That looks fine. Try some print statements to check the sound variables just before you use them

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Loop medias do not change

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