Issue with .ebs2 file and sounds on Windows 7 with High Definition Audio Device as audio driver

[David McFarlane]

Adam,

Hmm, I do not know what to say about the "High Definition Audio 
Device".  What sound API do you use for your .es2 file?  On my 
EP2.0.10.242/353 installations, if I open the Experiment Object 
properties, go to the Devices tab, and open the Sound device, under 
API I find ASIO, Chronos, CoreAudio, and DirectSound as options, with 
DirectSound as the default.  In my own tests using a Black Box 
Toolkit on one Windows 7 64-bit machine running EP2.0.10.242, I got 
the best performance using the CoreAudio API --  I measured latencies 
of 7.25-12.25 ms from OnsetTime to actual sound delivery (as compared 
to the same machine booted to Windows XP 32-bit and using the 
DirectSound API with EP2.0.10.242, where I measured latencies of 
31.25-33.75 ms).  More to your point, the sound worked.  But as I 
said, I do not know what to say about the "High Definition Audio Device".

So I hope someone else can help here.  You might best take this to 
PST Support (see below) -- in particular, they might be able to 
interpret that AudioReport file.

Best,
-----
David McFarlane
E-Prime training 
online:  http://psychology.msu.edu/Workshops_Courses/eprime.aspx
Twitter:  @EPrimeMaster (https://twitter.com/EPrimeMaster )

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At 2/6/2014 06:29 PM Thursday, Adam Liter wrote:
>I'm building an E-Prime experiment using E-Prime version 2.0.10.242.
>
>The computer that I'm building this experiment on is an old computer 
>running Windows XP. On this computer, when I try running the .ebs2 
>file, everything works perfectly. The audio driver on this computer 
>is SB Live! 24-Bit.
>
>However, when I try running the .ebs2 file on a computer running 
>Windows 7 with the High Definition Audio Device as the audio driver, 
>I get an error:
>
>The following runtime error occurred:
>
>Unable to load sound 203 - please view the AudioReport in your 
>experiment folder
>
>Line: 646
>Error Number: 1234
>
>However, the exact same file works perfectly on a Windows 7 machine 
>with the Realtek Audio HD Driver.
>
>I've also tried building the .es2 file from the newest version of 
>E-Prime, version 2.0.10.353. Yet this .ebs2 file also does not work 
>on a Windows 7 machine with the High Definition Audio Device as 
>audio driver, either.
>
>I assume the audio driver is the issue, as the .ebs2 file works 
>perfectly on another Windows 7 machine with a different audio driver.
>
>Does anyone know of any way around this issue? Or, if you don't 
>think it's the audio driver that is the issue, does anyone know what 
>else could possibly be going on?
>
>I work in a lab on a university campus, and all the computers in our 
>labs on campus are managed by our IT department. The software on 
>every machine on campus all comes from the same image, and I have no 
>ability to change the OS or the audio driver.
>
>Ultimately, then, those are the machines that we have to test on. 
>Does anyone know if there is a possible solution to this issue, 
>given that I have to run the actual experiment on these machines?

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