[Stk] Stream underflow errors on Windows

Gary Scavone gary at ccrma.Stanford.EDU
Mon Jun 10 18:42:49 PDT 2013


Hi Matt,

You might try modifying the "number of buffers" parameter.

--gary

On 2013-06-10, at 11:15 AM, Matt Day <matt.day at york.ac.uk> wrote:

> I suspect this may be a common issue although my searches did not reveal 
> any discussion of it. Apologies if I have missed something.
> 
> When building applications under Windows that use full-duplex realtime 
> audio, I always see stream underflow errors which result in 
> discontinuities in the output audio. I have tried increasing the buffer 
> size, and this usually reduces how often it occurs, but it will still 
> invariably occur once. The issue can be seen just by building and 
> running the duplex example under the free version of Visual Studio. I 
> have run this example on 3 different machines and all three exhibit the 
> issue (either running WinXP or WinXP x64 edition).
> 
> I would be most grateful if anyone can point me to any information on 
> the issue and why it might occur.
> 
> Many thanks,
> Matt
> 
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