Re: lowest usable latency from a USB 1 device?

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On Fri, Sep 16, 2011 at 2:02 PM, S. Massy <lists@xxxxxxxxxxxx> wrote:
> On Fri, Sep 16, 2011 at 01:33:42PM -0400, Paul Davis wrote:
>> if you can run a USB 1 class compliant audio device on your linux
>> system with lower latency than the current minimum so far posted to
>> this thread, please post with the settings you use and the type of
>> device. if your best performance has already been posted, no need to
>> repeat it.
>>
>> i'll get the ball rolling with 2048 frames. note that we are assuming
>> 2 channels only, but duplex mode (simultaneous capture+playback).
> Pardon my obtuseness, but... Well, are we talking frames per period, as
> in the -p option in jack's audio driver?

in JACK terms, the combination of:

   * sample rate
   * period size (frames per period)
   * number of periods (periods per buffer)
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