[PD-dev] audio interruptions from outside events (only with Pd)

[Hans-Christoph Steiner]

On Dec 4, 2006, at 10:38 AM, Thomas Grill wrote:

>
> Am 04.12.2006 um 15:30 schrieb Hans-Christoph Steiner:
>
>>
>> We are in the middle of trying to make [hidio] as robust as  
>> possible in terms of plugging and unplugging devices.  One thing I  
>> noticed is that if I have Pd running only a sine wave, then I plug  
>> or unplug a USB device, I get an interruption in the sound.
>>
>> If I do the same thing with Audacity or Max/MSP, there is not  
>> interruption in the sound.  Any ideas what's the root of this?
>
> I have no idea about the inner workings of hidio (is there a  
> separate low-priority thread for handling the HID requests?), but  
> Max/MSP has a different thread for DSP processing, and messaging is  
> split into high and low-priority tasks.

"running only a sine wave", meaning the only patch that Pd is running  
is:

[osc~ 333]
| \
[dac~]

So, nothing to do with [hidio] here.  Nor does it have anything to do  
with high or low priority Max messages since no messages are involved.

.hc

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