[LAU] Focusrite Saffire Pro 40 - reliable?

alexus / dotcommon dotcommon at autistici.org
Tue Mar 3 21:00:50 UTC 2015

On 2015-03-01 15:17, Len Ovens wrote:
> On Sun, 1 Mar 2015, Robert Jonsson wrote:
>> Hi Ben,
>> 2015-02-28 21:17 GMT+01:00 Len Ovens <len at ovenwerks.net>:
>>       I can only answer some of these questions. The 1010s will have
>>       slightly lower latency. Mine runs at 16/2,

Len, what about the sampling frequency you have set running at 16/2?

>> I sometimes wonder about numbers like these and if I'm doing something 
>> wrong or
>> if it's incredibly hardware dependent. I've never ever come close to 
>> running at
>> 16/2 in a stable manner. 128/2 I could run reasonbly stable with the 
>> Delta 44.

with a Audiophile 2496 PCI, my system seems to be "reasonably" stable at 
256/2/88200, and quite stable at 512/2/88200

> - Ubuntu lowlatency kernel

does it has set CONFIG_HZ=1000 ?

> [...]
> - /etc/default/rtirq has:
> 	RTIRQ_NAME_LIST="rtc snd_ice1712 snd usb i8042"

why not just: RTIRQ_NAME_LIST="rtc snd usb i8042" ?

> - I turn off cron while running low latency use.

uhm... Interesting... I'll try this...

> I have an app that
> 	does this all together for me:
> 	http://www.ovenwerks.net/software/index.html

I prefer using a script which (should :-) turn my "desktop system" into 
a "RT DAW Audio System": I can edit the script so I can decide exactly 
what to do...


al3xu5 / dotcommon

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