Re: [LAU] Audio interface latency measurements

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To: <linux-audio-user@...>
Date: Friday, June 20, 2014 - 1:19 pm

On Fri, Jun 20, 2014 at 09:07:37AM -0400, Paul Davis wrote:

> If you used jack_iodelay, it would do the math for you and show you how

jack_delay will do this as well, use the -E option.

jack_delay 0.4.0
(C) 2003-2013 Fons Adriaensen
Measure round trip latency of a soundcard.
Usage: jack_delay
Options:
-h Display this text
-O Connect output to named port.
-I Connect input to named port.
-E Report excess latency, requires both -I and -O.
The excess latency is the measured value minus the
expected value for the given ports including any
corrections set by Jack's -I and -O options.

Ciao,

--
FA

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Messages in current thread:
[LAU] Audio interface latency measurements, Robert Jonsson, (Fri Jun 20, 12:54 pm)
Re: [LAU] Audio interface latency measurements, Paul Davis, (Fri Jun 20, 1:07 pm)
Re: [LAU] Audio interface latency measurements, Fons Adriaensen, (Fri Jun 20, 1:19 pm)
Re: [LAU] Audio interface latency measurements, Paul Davis, (Fri Jun 20, 1:24 pm)
Re: [LAU] Audio interface latency measurements, Fons Adriaensen, (Fri Jun 20, 2:10 pm)
Re: [LAU] Audio interface latency measurements, Paul Davis, (Fri Jun 20, 4:06 pm)
Re: [LAU] Audio interface latency measurements, Robert Jonsson, (Sat Jun 21, 9:52 am)
Re: [LAU] Audio interface latency measurements, Len Ovens, (Sat Jun 21, 5:21 pm)
Re: [LAU] Audio interface latency measurements, Jeremy Jongepier, (Sat Jun 21, 6:43 pm)
Re: [LAU] Audio interface latency measurements, Len Ovens, (Sat Jun 21, 7:26 pm)
Re: [LAU] Audio interface latency measurements, Jeremy Jongepier, (Sat Jun 21, 7:48 pm)
Re: [LAU] Audio interface latency measurements, Robert Jonsson, (Sat Jun 21, 6:20 pm)
Re: [LAU] Audio interface latency measurements, Fons Adriaensen, (Sat Jun 21, 8:47 pm)
Re: [LAU] Audio interface latency measurements, Peter Lutek, (Sat Jun 21, 8:57 pm)
Re: [LAU] Audio interface latency measurements, Len Ovens, (Sat Jun 21, 9:18 pm)
Re: [LAU] Audio interface latency measurements, Peter Lutek, (Sat Jun 21, 9:28 pm)
Re: [LAU] Audio interface latency measurements, Edgar Aichinger, (Mon Jun 23, 4:43 pm)
Re: [LAU] Audio interface latency measurements, Martin Peach, (Mon Jun 23, 4:59 pm)
Re: [LAU] Audio interface latency measurements, Peter Lutek, (Tue Jun 24, 6:38 pm)
Re: [LAU] Audio interface latency measurements, Len Ovens, (Sat Jun 21, 7:52 pm)
Re: [LAU] Audio interface latency measurements, Fons Adriaensen, (Sat Jun 21, 10:22 am)