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sound files not playing on the tablet


I have designed an experiment in which the participants look at some images and then listen to a voice (either male or female) and indicate whether the voice is male or female by pressing on a corresponding image. Once they pressed on the image, the sound stops. The experiment runs fine on the PC but when I try to load it on the tablet (a samsung galaxy Tab S2) the sound files don't run. The back-end is set to droid. The resolution is 1280 x 800. The sound files are .ogg (.wav for some reason doesn't run in OpenSesame on the PC). If I remove the sound files, the rest of the experiment runs fine.
This is my design:

sound_nr gender sound
1 female hallof.wav
2 male hallof.wav

Inline script:

if var.gender == 'female':
var.correct_response = 1
elif var.gender == 'male':
var.correct_response = 2

fixation dot using sketchpad

Inline script:
import pygame # import modul
pygame.mixer.init() # initialize mixer (doing this once might be enough)
sound_file = exp.get_file(var.sound) # load the sound file of a single trial
sound = pygame.mixer.Sound(sound_file) # create an instance of the sound # play the sound

picture on a sketchpad

Inline script:

feedback_correct on a sketchpad
feedback_incorrect on a sketchpad

I very much appreciate any help!

Kind regards,



  • It acutally runs when I use a sampler item. I followed the cats, dogs, capybaras tutorial. However, I want the sound to stop once the participant had clicked on the image (male or female). How do I do this?

    Many thanks,


  • Hi Maria,

    I think the fact you were initializing the mixer again (OpenSesame already does that) caused the issue. If you want to stop playback from the sampler, you can simply use:

    import pygame


    There's much bigger issues in the world, I know. But I first have to take care of the world I know.

  • Hi Sebastian,

    Thank you for getting back to me.
    The issue is that Inline script doesn't seem to run on the tablet. The experiment just terminate. Therefore, I can't make the sound stop. Is there another way to do this? Or, why doesn't inline script run?



  • Hi Maria,

    Normally inline_scripts do run on tablets, so something weird is going on. Is there an error message when you try running it? Can you post it here?


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