Re: [LAU] Audio interface latency measurements

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To: <linux-audio-user@...>
Date: Saturday, June 21, 2014 - 6:43 pm

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On 06/21/2014 07:18 PM, Len Ovens wrote:

>> 2.0 interface would have similar transport latency as firewire? Usb 1

> limitation with USB1 is bit depth, bit rate and channel count.

>=20

> means that the lowest latency for USB1 is jackd set to 64/2.

With my Edirol UA-25 lowest possible setting is 48/2 @ 48kHz.

This is the

> my own to confirm).

With the FireWire interfaces I've owned I could go as low as 16/3 @
48kHz. But settings like this are unusable, DSP load qickly rises as
soon as you start doing something serious. Nice to brag about but that's
about it ;)

>=20

s
d
=2E
:)

It's indeed a matter of finding a free USB port. If you don't have any
you have to resort to unloading kernel modules or even unbinding drivers.=

Jeremy

> --=20

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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)