[Building Sakai] audio responses in T&Q

Karen Tsao ktsao at stanford.edu
Tue Oct 20 11:22:31 PDT 2009


Hi Peter,

I have not heard about this issue. Do you know if this happens in certain
environment? Is it possible that the sound card not supporting the format
Tests and Quizzes requests?

Thanks,
Karen

On Tue, Oct 20, 2009 at 1:21 AM, Peter Krooks <Peter.Krooks at umdac.umu.se>wrote:

> Hi all,
> sometimes users sending audio anwers in test and quizzes get following
> error message in the audio recording window:
>
> "Unable to open following row: javax sound sampled
> LineUnavailableException: line with format PCM_SIGNED 44100.0Hz, 16 bit
> mono, 2 bytes/frame, big-endian not supported."
>
> This is in Sakai 2.5.
>
> Anyone familiar with this error?
>
> thanks,
> Peter
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