On Mon, July 1, 2013 10:00 pm, Jeremy Jongepier wrote: > On 07/01/2013 01:50 PM, Patrick Shirkey wrote: >> This reminded me that if the audio device is communicating over the usb >> bus it should perform better if the sample rate is divisible by the >> period >> size. >> >> So if you use 48000 try a period size of -p48 or -p96, etc... >> >> Another possible assist is documented here: >> >> http://alsa.opensrc.org/Usb-audio#Tuning_USB_devices_for_minimal_latencies > > http://lists.linuxaudio.org/pipermail/linux-audio-user/2010-January/066765.html > IIUC the potential issues with period sizes with non powers of two are at the application level. JACK is agnostic about it. Anyway it's a little spooky that you get better performance with -p64 than -p128 even in playback only mode. -- Patrick Shirkey Boost Hardware Ltd _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
