Re: [LAU] linux compatible USB Audio Interface

You're welcome!

On 08/09/2013 07:30 AM, jwind wrote:
> --> bingo; running now for 1,5 hour with no underruns;
> had this issue years ago, too... thought with stronger cpus this
> supposed to be history; but it isn`t.
> now i know. thanks a lot
> cheers
> j ,.
>
> On 09.08.2013 11:46, david wrote:
>> Hmm - blacklist the wifi drivers? I understand that even when you're
>> not connected, they will still regularly scan for signals. I
>> understand this can take time and is not RT-friendly at all.
>>
>> I have a dual-core netbook (non-RT kernel, it's borrowed). During the
>> day, it sits on my desk at work and plays music from a USB drive thru
>> my UCA-202 USB soundcard. When I close up at the end of the day, JACK
>> will show 9-11 xruns.
>>
>> On 08/08/2013 11:09 PM, jwind wrote:
>>> just for completeness:
>>> after checking out the scarlett 18i8 with another system (a
>>> dual-core-netbook)
>>> i have some not so nice drop-outs in playback, which not seem to be
>>> related
>>> to any latency settings. (-
>>> tried to debug a bit, but could not find any errors in kernel- or device
>>> logs;
>>> does anyone know a good practice how to filter this?
>>> thanks james for that hint.
>>> j ,.
>>>
>>> On 08.08.2013 20:59, Victor A. Stoichita wrote:
>>>> On 8 August 2013 00:51, Danni Coy <danni.coy@email-addr-hidden
>>>> <mailto:danni.coy@email-addr-hidden>> wrote:
>>>>
>>>> the Komplete Audio 6 is plug and play on Linux. It 4 inputs though
>>>> only two have preamps and is bus powered. The bundled native
>>>> instruments software will run under wine as a windows VST which is
>>>> a bonus.
>>>>
>>>>
>>>>
>>>> Interesting! I'm also loking for a USB 2 interface and the KA6 seems
>>>> to fit my needs. It is advertised as being capable of very low
>>>> latencies. Did you have any experience of this on linux ?
>>>>
>>>> Regards,
>>>> Victor
>>>>
>>>>
>>>>
>>>> On Thu, Aug 8, 2013 at 4:38 AM, James Stone <jamesmstone@email-addr-hidden
>>>> <mailto:jamesmstone@email-addr-hidden>> wrote:
>>>>
>>>> On Tue, Aug 6, 2013 at 3:42 PM, William Light <wrl@email-addr-hidden
>>>> <mailto:wrl@email-addr-hidden>> wrote:
>>>> > occhi,
>>>> > any particular reason you want an interface with a separate
>>>> power plug?
>>>> > USB bus power will do most of what you want.
>>>> >
>>>> > personally, i currently have a focusrite scarlett 2i2, and
>>>> the 2i4 may
>>>> > suit your needs. the 2i2 is good, sounds fine, good latency.
>>>> >
>>>>
>>>> I have a 2i4 - it only has 2 inputs though (as the name
>>>> suggests). It
>>>> is an excellent device overall, but I have been having some
>>>> serious
>>>> teething troubles with kernel releases over 3.5. I am
>>>> providing bug
>>>> reports to the kernel devs and these problems (not being able
>>>> to start
>>>> at low latencies, audio system locking up) seem to be slowly
>>>> being
>>>> addressed, but performance is not quite there yet for me, and
>>>> I would
>>>> suggest if you decided to get one of these devices, and are
>>>> affected
>>>> by these bugs, you might experience less pain using the
>>>> earlier 3.5
>>>> series kernels for now. I think that this problem is not just
>>>> limited
>>>> to the scarlett devices, and that other USB audio devices
>>>> may be
>>>> similarly affected. Also, I think these issues may also be
>>>> USB-hardware (or BIOS?) dependent, so some people with the
>>>> same kernel
>>>> and audio device may not experience the same bugs.
>>>>
>>>> James

-- 
David
gnome@email-addr-hidden
authenticity, honesty, community
http://dancingtreefrog.com
http://clanjones.org/david/
http://dancing-treefrog.deviantart.com/
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