Re: [sc-users] [OT] laptop for audio

[lfsaw@xxxxxxxx]

Independant of the Linux compatibility:

If you're using this with an external adat box, note that you'll be forced to use the clock provided by the external box since this interface does not have WC or ADAT out...

cheers
	Till


> On 5. Mar 2019, at 20:42, lsts@xxxxxxxxxxxxxx wrote:
> 
> has anyone worked with the new focusrite clarett interfaces?
> (https://focusrite.com/usb-c-audio-interface/clarett-usb/clarett-4pre-usb)
> 
> i'd be especially interested in the ADAT compability.
> the scarlett models are working fine on arch linux.
> it would be very nice to have the ability to record more channels though.
> 
> thanks.
> 
> On 2/25/19 9:33 AM, scottcazan@xxxxxxxxx wrote:
>> Actually, it's kind of an incredible time for audio interfaces under Linux.
>> I've never had so many options and compatibility thanks to class-compliance
>> mode and iOS (of all things).
>> 
>> Basically, any audio interface that boasts about being compatible with iOS
>> should work on Linux because it is almost certain it is just supporting
>> class-compliance mode to do that. Fortunately, that means that many
>> interfaces like the RME Fireface UCX and Babyface Pro are both fully
>> compatible *except *that their custom software for on-board routing and
>> effects won't run on Linux. So what kennethflak says is true in that you
>> might want some custom "baked-in" routing on the device in which you would
>> have to load up total mix on a mac, set the routing, then attach it to the
>> linux machine after (but you would only have to do this once). You can't
>> take advantage of the built-in DSP effects either. I find I just use Jack
>> for that anyhow and I can load up all kinds of different routings through
>> LADISH.
>> 
>> Using custom Linux drivers for audio interfaces that are not supported by
>> the manufacturer is really hit or miss in my experience. I remember the
>> nightmare of trying to get my old firewire interfaces up and running (a
>> MOTU mk3 in that case).
>> 
>> But it seems like the Mk4 supports class-compliance so it should work!
>> Usually you would have to switch it into a class compliant mode somehow
>> though.
>> 
>> On Mon, Feb 25, 2019 at 9:11 AM <valle@xxxxxxxxxxx> wrote:
>> 
>>> Thanks a lot to all,
>>> 
>>> yeah, James, my idea was Ubuntustudio, btw it comes preinstalled with
>>> Dell, this would save me some time and efforts.
>>> 
>>> At the moment, by looking around, I am getting more and more concerned
>>> with sound cards.
>>> Seen from outside linux, the situation is a real nightmare.
>>> Some hw is clearly supported, some other (well, most) no, some other may
>>> work, or not, or partially, depending on a set of variables I can’t
>>> understand.
>>> I have a MOTU Ultralite MK IV. It’s not supported, but someone has it
>>> working perfectly out from the box, other have glitches.  Well… :)
>>> 
>>> Best
>>> 
>>> -a-
>>> 
>>> 
>>> 
>>> --------------------------------------------------
>>> Andrea Valle
>>> --------------------------------------------------
>>> CIRMA - StudiUm
>>> Università degli Studi di Torino
>>> --> http://www.cirma.unito.it/andrea/
>>> --> http://www.fonurgia.unito.it/andrea/
>>> --> http://www.flickr.com/photos/vanderaalle/sets/
>>> --> http://vimeo.com/vanderaalle
>>> --> http://andreavalle.bandcamp.com
>>> --> andrea.valle@xxxxxxxx
>>> --------------------------------------------------
>>> 
>>> "This is a very complicated case, Maude. You know, a lotta ins, a lotta
>>> outs, a lotta what-have-yous."
>>> (Jeffrey 'The Dude' Lebowski)
>>> 
>>> On 25 Feb 2019, at 01:28, jamshark70@xxxxxxxxx wrote:
>>> 
>>> On Sun, Feb 24, 2019 at 11:38 PM <valle@xxxxxxxxxxx> wrote:
>>> 
>>> I’m thinking about switching to linux, but I’m totally unaware about
>>> hardware knowledge.
>>> So, I’d like to know what are your options for real time audio, SC indeed
>>> being a strict requirement.
>>> 
>>> 
>>> Not a hardware recommendation, but let me suggest Ubuntu Studio (or
>>> other multimedia distro) instead of vanilla Ubuntu.
>>> 
>>> Ubuntu Studio uses a lowlatency kernel by default, and the team have
>>> already tuned interrupt priorities so that USB audio works
>>> out-of-the-box without JACK xruns. When I was using vanilla Ubuntu +
>>> lowlatency kernel, I could never get the interrupts quite right. With
>>> Ubuntu Studio, I didn't have to touch a thing and it's running
>>> beautifully.
>>> 
>>> (You don't need a RT kernel. Lowlatency is enough. The vanilla kernel
>>> will probably not run JACK well enough for SC.)
>>> 
>>> One thing to check for hardware is the wifi card. Consumer laptops
>>> often put wifi and USB interrupts on the same bus -- and third-party
>>> wifi drivers often don't take any care for RT safety, so the wifi
>>> driver can interfere with audio timing. My old laptop had a Broadcomm
>>> card. Ubuntu doesn't have its own Broadcomm driver, so I had to
>>> install a third-party driver, and I had xruns all the time. That
>>> machine was lost in an accident, and the replacement has an Atheros
>>> card, for which Ubuntu ships a driver. Seems a lot better.
>>> 
>>> hjh
>>> 
>>> _______________________________________________
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>>> 
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>>> 
>>> 
>>> 
> 
> 


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