audio files and delays

David McFarlane mcfarla9 at msu.edu
Thu Aug 20 18:48:06 UTC 2009


Conrad,

Since you mention streaming mode, you must be using EP2, which 
answers the first question.  Next question, are you running this 
under Windows XP, or Vista?

-- David McFarlane, Professional Faultfinder


>Hi all,
>
>I am developing a task which includes audio files.  My samples loop
>pretty fast.  This is how it looks.
>Slide 1: 350 ms with audio clip (1 of 12 audio files)
>Slide 2: 50 ms of black screen buffer
>Slide 3: 600 ms with audio clip (same audio file every time); collect
>response
>Slide 4: 100 ms of black screen buffer.
>Repeat 2500 times.
>
>I have noticed that i get a pretty significant delay 150 ms with each
>audio file.  This delay seems to grow quite a bit by the end of the
>task to 500 ms.
>
>I've played around with the pre-release, audio buffer time, and
>streaming vs. buffered audio files and I haven't found a combination
>where the audio file will completely play and I don't have a massive
>delay.
>
>Anybody have any thoughts or suggestions?
>
>Thanks,
>Conrad
>Madison, WI


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