[visionegg] Re: sound and visionegg (e.g. portaudio): demo codeavailable?

many thanks, christophe
I will look at it, as soon as I have some time here in the lab...

did you ever use visionegg for your fMRI experiments?

cheers
christoph
On Wed, 2003-11-12 at 15:20, Christophe Pallier wrote:
> Hello Christoph,
> 
> >Andrew, (or anybody else): do you have some simple visionegg code
> >available, which you could send me?
> >  
> >
> Here is a very simple code using only pygame. 
> The filenames are stored in the "stims" variable, but they could be read 
> from a text file.
> This script does not record any response from the subject.
> 
> 
> #!/usr/bin/env python
> 
> """playing a list of sound files at regulat intervals"""
> 
> import os.path
> import pygame.mixer, pygame.time
> mixer = pygame.mixer
> time = pygame.time
> 
> #choose a desired audio format
> mixer.init(16000)
> 
> stimpath="/home/pallier/sample_sounds/"
> 
> stims="""
> tone0064.wav
> tone0128.wav
> tone0256.wav
> tone0512.wav
> tone1024.wav
> tone2048.wav
> tone4096.wav
> tone8192.wav
> """
> 
> def play(file):
>         file = os.path.join(stimpath,file);
>         sound=mixer.Sound(file)
>         channel=sound.play()
>         while channel.get_busy():
>                 time.wait(10)
> 
> start=time.get_ticks()
> SOA=2000
> n=0
> 
> for i in stims.split():
>         n=n+1
>         while time.get_ticks()-start > n*SOA:
>                 time.delay(10)
>         print "playing %s" % i
>         if i:
>                 play(i)
> 
> 
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-- 
Christoph Lehmann <lehmann@xxxxxxxxxxxx>
University Hospital of Clinical Psychiatry

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