[linux-audio-user] USB-Audio latency

[Clemens Ladisch]

Chris Pickett wrote:
> Clemens Ladisch wrote:
> > Polashek, Matthew wrote:
> >
> >>2 - What the minimum latency of a USB-audio device is with Linux?
> >
> > I guess around 10 ms with default settings.
> >
> > The snd-usb-audio module has an undocumented parameter "nrpacks"
> > which is equivalent to the number of milliseconds between USB
> > interrupts.
>
> Just out of curiousity, does all this apply to USB-MIDI as well?

No, USB MIDI packets are sent/received as fast as the USB can handle
it (in 1 ms frames).  Well, if the computer handles interrupts fast
enough.


Regards,
Clemens