Re: [LAU] xrun problems. (Was Re: Introduction to Ardour 3.0 MIDI)

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To: Bernardo Barros <bernardobarros2@...>
Cc: <linux-audio-user@...>
Date: Saturday, April 2, 2011 - 11:05 pm

On 04/03/2011 12:52 AM, Bernardo Barros wrote:

must be a typo: 2*16/ 44100Hz = 0.725ms = ~0.8ms

Measure it with 'jack_delay' [1]. The number given in qjackctl's setup
dialog is the nominal latency; and the time between two jack cycles.

Usually there's additional latency due to [PCI|USB] bus overhead,
sound-card & ALSA buffering, DAC/ADCs, etc. - around 1 ms round-trip for
PCI devices.
http://wiki.linuxaudio.org/wiki/jack_latency_tests

have fun,
robin

[1] http://kokkinizita.linuxaudio.org/linuxaudio/index.html
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Messages in current thread:
Re: [LAU] xrun problems. (Was Re: Introduction to Ardour 3.0..., Robin Gareus, (Sat Apr 2, 11:05 pm)
Re: [LAU] xrun problems. (Was Re: Introduction to Ardour 3.0..., Uwaysi Bin Kareem, (Wed Mar 30, 4:11 pm)
Re: [LAU] xrun problems. (Was Re: Introduction to Ardour 3.0..., Fernando Lopez-Lezcano, (Thu Mar 31, 7:45 pm)
Re: [LAU] xrun problems. (Was Re: Introduction to Ardour 3.0..., Fernando Lopez-Lezcano, (Mon Apr 4, 7:03 pm)